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Ba2GaBiS5

semiconductor

Ba2GaBiS5 is a quaternary chalcogenide semiconductor compound combining barium, gallium, bismuth, and sulfur elements. This is a research-phase material being investigated for optoelectronic and photovoltaic applications, particularly in the broader context of exploring earth-abundant alternatives to conventional III-V semiconductors and perovskites. The mixed-metal sulfide composition positions it within the family of compounds being studied for potential photon absorption, nonlinear optical responses, and solid-state device platforms, though industrial deployment remains limited and material optimization is ongoing.

Photovoltaic researchOptoelectronic devicesNonlinear optical materials
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Ba2GaBiSe5

semiconductor

Ba₂GaBiSe₅ is a quaternary chalcogenide semiconductor compound containing barium, gallium, bismuth, and selenium. This is a research-phase material being investigated for its potential optoelectronic and nonlinear optical properties, belonging to the family of complex semiconductors with layered or mixed-metal structures that show promise for mid-infrared applications. The material represents an emerging class of compounds designed to explore novel bandgap engineering and crystal chemistry, though industrial deployment remains limited and primarily confined to specialized photonics research.

mid-infrared optoelectronicsnonlinear optical devicessemiconductor research
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Ba2GaBiTe5

semiconductor

Ba2GaBiTe5 is a quaternary chalcogenide semiconductor compound combining barium, gallium, bismuth, and tellurium elements. This is a research-phase material primarily investigated for mid-infrared optoelectronic and photonic applications, where its wide bandgap and telluride-based structure make it a candidate for nonlinear optical devices, infrared detectors, and potential thermoelectric systems. The material represents an emerging class of complex chalcogenides designed to optimize performance in wavelength ranges where conventional semiconductors (Si, GaAs) are transparent or opaque.

infrared detectorsnonlinear optical devicesmid-infrared photonics
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Ba2GaDySe5

semiconductor

Ba2GaDySe5 is a quaternary chalcogenide semiconductor compound combining barium, gallium, dysprosium, and selenium in a layered crystal structure. This is a research-phase material belonging to the rare-earth-containing chalcogenide family, investigated primarily for its potential in infrared optics, nonlinear optical applications, and solid-state photonics where the rare-earth dopant (dysprosium) can enable unique optical and magnetic properties. The material represents an emerging class of compounds designed to bridge gap regions in the optical spectrum and enable functionalities not easily accessed with conventional semiconductors or oxides.

infrared optics and windowsnonlinear optical devicesrare-earth photonics
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Ba2GaDyTe5

semiconductor

Ba2GaDyTe5 is a quaternary chalcogenide semiconductor compound combining barium, gallium, dysprosium, and tellurium elements. This is a research-phase material primarily studied for its potential optoelectronic and thermoelectric properties within the broader family of rare-earth-containing telluride semiconductors. Current applications remain largely experimental, with interest driven by the combination of rare-earth doping (dysprosium) and chalcogenide semiconductivity for advanced energy conversion, photonic devices, or specialized detector applications where conventional semiconductors are insufficient.

experimental optoelectronicsthermoelectric energy conversioninfrared detectors
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Ba2GaErSe5

semiconductor

Ba2GaErSe5 is a quaternary semiconductor compound combining barium, gallium, erbium, and selenium—a rare-earth-doped chalcogenide material primarily of research interest. This material family is investigated for infrared optics, photonic devices, and solid-state laser applications where rare-earth ions like Er³⁺ provide luminescence and nonlinear optical properties in the mid-to-infrared spectrum. While not yet established in mainstream production, quaternary selenide semiconductors like this represent an emerging class for wavelength-selective emitters and potential quantum optics platforms where conventional II-VI or III-V semiconductors fall short.

infrared optics and detectorssolid-state laser mediaphotonic/nonlinear optical devices
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Ba2GaErTe5

semiconductor

Ba2GaErTe5 is a quaternary chalcogenide semiconductor compound containing barium, gallium, erbium, and tellurium. This is a research-phase material studied for its potential in infrared optics and solid-state photonics applications, particularly where rare-earth doping (erbium) offers luminescence or nonlinear optical properties. While not yet widely commercialized, materials in this chalcogenide family are explored as alternatives to conventional semiconductors for mid- to far-infrared sensing, lasing, and optical modulation where telluride-based compounds offer extended transparency windows and tunable bandgaps.

infrared optics and sensorsnonlinear optical devicessolid-state laser research
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Ba2GaGdSe5

semiconductor

Ba2GaGdSe5 is a complex selenide semiconductor compound combining barium, gallium, and gadolinium in a ternary/quaternary chalcogenide structure. This is a research-phase material primarily of interest for infrared photonics and nonlinear optical applications, where the wide bandgap and heavy-metal selenide composition enable mid-to-far-infrared transparency and potential second-harmonic generation or other frequency-conversion functions.

infrared optics and photonicsnonlinear optical devicesmid-IR laser applications
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Ba2GaGdTe5

semiconductor

Ba2GaGdTe5 is a quaternary chalcogenide semiconductor compound combining barium, gallium, gadolinium, and tellurium in a mixed-anion crystal structure. This is a research-phase material studied primarily in solid-state chemistry and materials physics communities for its potential in infrared photonics and nonlinear optical applications, where the combination of heavy elements and chalcogenide bonding can enable wide bandgaps and strong light-matter interactions. The material belongs to the family of rare-earth-containing tellurides, which remain largely exploratory but are of interest for next-generation detectors, modulators, and frequency-conversion devices where conventional semiconductors reach performance limits.

infrared detectorsnonlinear opticsphotonic materials research
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Ba2GaNdSe5

semiconductor

Ba2GaNdSe5 is a quaternary semiconductor compound combining barium, gallium, neodymium, and selenium. This material is primarily a research-phase compound studied for its potential optoelectronic and photonic properties, belonging to the family of rare-earth chalcogenides that show promise for infrared emission, nonlinear optical applications, and solid-state laser systems.

infrared optoelectronicsnonlinear optical devicessolid-state laser materials
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Ba2GaS4

semiconductor

Ba₂GaS₄ is a quaternary semiconductor compound belonging to the chalcogenide family, combining barium, gallium, and sulfur in a layered crystal structure. This material is primarily of research interest for infrared optics and nonlinear optical applications, where its wide bandgap and sulfide composition offer potential advantages in mid-infrared transparency and frequency conversion. Ba₂GaS₄ represents an emerging alternative to more established materials like ZnSe and GaAs in specialized optoelectronic niches, though it remains largely in the development stage with limited commercial deployment.

infrared opticsnonlinear optical crystalsfrequency conversion
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Ba2GaSbSe5

semiconductor

Ba2GaSbSe5 is a quaternary chalcogenide semiconductor compound composed of barium, gallium, antimony, and selenium elements. This material belongs to the family of wide-bandgap and mid-infrared semiconductors, currently studied in research settings for potential optoelectronic and photonic device applications. The compound is notable within chalcogenide semiconductors for its potential to bridge the infrared spectrum in wavelength ranges relevant to sensing, imaging, and nonlinear optical conversion, making it of interest as an alternative to more common infrared materials in specialized niche applications.

mid-infrared opticsnonlinear optical devicesinfrared sensing and imaging
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Ba2GaSbTe5

semiconductor

Ba2GaSbTe5 is a quaternary chalcogenide semiconductor compound combining barium, gallium, antimony, and tellurium elements. This is a research-stage material being investigated for infrared optics and thermoelectric applications, where its bandgap and thermal properties position it as a candidate for mid-to-long wavelength infrared detection and energy conversion devices that currently rely on more established III-V or II-VI semiconductors.

infrared detectorsthermoelectric devicessolid-state optics research
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Ba2GaSe4

semiconductor

Ba2GaSe4 is a quaternary chalcogenide semiconductor compound composed of barium, gallium, and selenium, belonging to the family of wide-bandgap semiconductors with potential for optoelectronic and photonic applications. This material is primarily of research and development interest rather than established commercial production, studied for its nonlinear optical properties, infrared transmission capabilities, and potential use in mid-infrared photonic devices where conventional semiconductors reach their limitations. Ba2GaSe4 and related barium gallium chalcogenides are explored as candidates for frequency conversion, optical parametric oscillators, and detectors in the infrared spectrum, offering advantages over traditional materials like GaAs in specific wavelength ranges.

mid-infrared opticsnonlinear optical devicesfrequency conversion
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Ba2GaSmSe5

semiconductor

Ba2GaSmSe5 is a quaternary chalcogenide semiconductor compound combining barium, gallium, samarium, and selenium—a rare-earth-containing material designed for specialized optoelectronic and photonic applications. This is primarily a research-phase compound studied for its potential in infrared detection, nonlinear optical devices, and solid-state lighting where rare-earth doping and selenide chemistry offer tunable bandgap and emission properties. The material represents the broader family of rare-earth chalcogenide semiconductors, which are investigated as alternatives to more conventional semiconductors when infrared sensitivity, thermal stability, or specific optical functionality is required.

infrared detectors and sensorsnonlinear optical devicessolid-state lighting and phosphors
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Ba2GaSmTe5

semiconductor

Ba2GaSmTe5 is a quaternary chalcogenide semiconductor compound combining barium, gallium, samarium, and tellurium. This is a research-phase material studied for its potential in mid-infrared optics and thermoelectric applications, belonging to the broader family of rare-earth telluride semiconductors that show promise for nonlinear optical devices and thermal energy conversion where conventional semiconductors fall short.

mid-infrared opticsnonlinear optical devicesthermoelectric energy conversion
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Ba2GaYSe5

semiconductor

Ba2GaYSe5 is a quaternary semiconductor compound combining barium, gallium, yttrium, and selenium—a mixed-metal chalcogenide belonging to the broader family of wide-bandgap semiconductors. This is a research-phase material primarily investigated for nonlinear optical and infrared photonic applications, where its crystal structure and electronic properties offer potential advantages in frequency conversion, mid-infrared detection, and quantum optics compared to conventional semiconductors like GaAs or commercial nonlinear crystals.

nonlinear optical frequency conversionmid-infrared photonicsquantum optics research
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Ba2GaYTe5

semiconductor

Ba₂GaYTe₅ is a quaternary semiconductor compound combining barium, gallium, yttrium, and tellurium in a layered crystal structure. This is a research-phase material investigated for its potential in infrared optics and nonlinear optical applications, particularly in the mid-infrared spectral region where telluride semiconductors excel. It represents an emerging class of wide-bandgap semiconductors that may offer improved transparency and optical properties compared to simpler binary or ternary telluride alternatives, though industrial adoption remains limited and material availability is restricted to specialized research laboratories.

infrared optics and detectorsnonlinear optical devicesresearch semiconductors
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Ba2GdGaSe5

semiconductor

Ba2GdGaSe5 is a quaternary chalcogenide semiconductor compound combining barium, gadolinium, gallium, and selenium—a research-phase material within the broader family of rare-earth selenide semiconductors. This compound is primarily investigated for infrared (IR) optoelectronic and nonlinear optical applications, where its wide bandgap and crystal structure may enable detection, modulation, or frequency conversion in the mid-to-long wavelength IR regime. While not yet commercialized at scale, materials in this selenide family are of growing interest as alternatives to conventional IR semiconductors where thermal stability, tunability, or specific wavelength response is critical.

infrared optical devicesnonlinear optics researchwide-bandgap semiconductors
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Ba2GdGaTe5

semiconductor

Ba2GdGaTe5 is a complex ternary/quaternary chalcogenide semiconductor compound combining barium, gadolinium, gallium, and tellurium. This material belongs to the family of wide-bandgap and mid-infrared semiconductors; it is primarily investigated in research contexts for optoelectronic and photonic device applications rather than established commercial production. Engineers and researchers consider chalcogenide semiconductors like this for specialized infrared detection, nonlinear optical frequency conversion, and potential thermoelectric applications where conventional semiconductors (Si, GaAs) are optically transparent or otherwise unsuitable.

infrared optics and detectorsnonlinear optical materialsresearch photonics
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Ba2GdInSe5

semiconductor

Ba2GdInSe5 is a quaternary semiconductor compound combining barium, gadolinium, indium, and selenium—a member of the rare-earth-containing chalcogenide family. This is a research-phase material under investigation for infrared optics and photonic applications, where rare-earth doping and selenium-based semiconductors offer potential advantages in wavelength tunability and nonlinear optical response.

infrared optics and detectorsnonlinear optical devicesrare-earth photonics
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Ba2GdInTe5

semiconductor

Ba2GdInTe5 is a quaternary chalcogenide semiconductor compound combining barium, gadolinium, indium, and tellurium elements. This material is primarily of research interest rather than established industrial production, investigated for its potential in infrared optics, thermoelectric applications, and solid-state radiation detection due to the heavy elements and wide bandgap characteristics typical of telluride-based semiconductors. Engineers would consider this compound family when exploring alternatives to conventional infrared materials or when seeking materials with combined thermal and electrical properties not easily achieved in simpler binary or ternary systems.

infrared optics and detectorsthermoelectric devicesradiation detection
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Ba2HgS5

semiconductor

Ba2HgS5 is a quaternary semiconductor compound composed of barium, mercury, and sulfur, belonging to the sulfide-based semiconductor family. This material is primarily of research and developmental interest rather than established industrial production, with potential applications in optoelectronic and photovoltaic devices where its bandgap and crystal structure may enable efficient light absorption or emission. The material represents an exploratory direction in sulfide semiconductors, competing conceptually with more mature alternatives like CdS and ZnS in niche applications where barium incorporation offers tailored electronic or optical properties.

research semiconductorsphotovoltaic materialsoptoelectronic devices
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Ba2In2S5

semiconductor

Ba2In2S5 is a ternary chalcogenide semiconductor compound composed of barium, indium, and sulfur, belonging to the family of metal sulfide semiconductors with potential for optoelectronic and photonic applications. This material is primarily investigated in research settings for its optical and electronic properties in thin-film and bulk form, offering potential advantages in infrared transparency, photocatalysis, or specialty optoelectronic devices where conventional semiconductors like GaAs or CdTe face limitations. Barium indium sulfides represent an emerging class of wide-bandgap semiconductors with tunable properties through composition control, making them candidates for next-generation photovoltaic, LED, or radiation detection applications.

infrared opticsphotocatalysisthin-film semiconductors
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Ba2In2Se5

semiconductor

Ba2In2Se5 is an inorganic semiconductor compound combining barium, indium, and selenium in a ternary chalcogenide system. This material is primarily of research interest for optoelectronic and photovoltaic applications, particularly in the infrared spectrum and wide-bandgap semiconductor families. The barium-indium-selenide system is being investigated for its potential in non-linear optical devices, solar cells, and infrared detectors, though it remains largely in the experimental phase rather than established industrial production.

Infrared optics and detectorsPhotovoltaic researchWide-bandgap semiconductors
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Ba2InAgS4

semiconductor

Ba2InAgS4 is a quaternary semiconductor compound combining barium, indium, silver, and sulfur—a representative member of the ternary sulfide semiconductor family. This is a research-phase material being investigated for optoelectronic and photovoltaic applications where its band gap and crystal structure could enable efficient light absorption or emission; it belongs to the broader class of metal sulfide semiconductors that offer alternatives to more common II-VI or III-V semiconductors, particularly for specialized spectral windows or high-radiation environments.

research photovoltaicsinfrared optoelectronicsexperimental solar cells
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Ba2InBiS5

semiconductor

Ba₂InBiS₅ is a quaternary sulfide semiconductor compound combining barium, indium, and bismuth in a sulfide matrix, representing an emerging material in the ternary and quaternary chalcogenide family. This composition is primarily of research interest for optoelectronic and photovoltaic applications, where bismuth-containing sulfides are being explored as alternatives to conventional semiconductor systems due to their tunable bandgap and potential for non-toxic, earth-abundant device architectures. While not yet widely commercialized, materials in this class are attracting attention as candidates for thin-film solar cells, infrared detectors, and other solid-state devices where layered sulfide structures offer advantages in charge transport and light absorption.

experimental photovoltaic materialsinfrared optoelectronicsthin-film semiconductors
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Ba2InCeTe5

semiconductor

Ba2InCeTe5 is a quaternary chalcogenide semiconductor compound containing barium, indium, cerium, and tellurium elements. This is a research-phase material primarily investigated for solid-state physics and materials science applications rather than established industrial production. The compound belongs to the broader family of complex telluride semiconductors, which are of interest for thermoelectric energy conversion, photovoltaic devices, and fundamental studies of electronic structure in materials with rare-earth elements.

thermoelectric devicessemiconductor researchsolid-state physics
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Ba2InDySe5

semiconductor

Ba2InDySe5 is a quaternary chalcogenide semiconductor compound combining barium, indium, dysprosium, and selenium elements. This is a research-phase material primarily investigated for optoelectronic and photovoltaic applications, particularly within the broader family of rare-earth-containing selenide semiconductors that offer tunable bandgaps and potential for infrared or mid-wavelength optical devices. Its incorporation of dysprosium—a lanthanide element—distinguishes it as a candidate for exploring how rare-earth doping influences electronic structure and light-matter interactions in multinary semiconductor systems.

photovoltaic researchinfrared optoelectronicsrare-earth semiconductors
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Ba2InDyTe5

semiconductor

Ba2InDyTe5 is a quaternary chalcogenide semiconductor compound combining barium, indium, dysprosium, and tellurium. This material belongs to the rare-earth-doped telluride family and is primarily of research interest for optoelectronic and thermoelectric applications, where the incorporation of dysprosium offers potential for tuning electronic and thermal properties beyond binary or ternary telluride systems. While not yet widely deployed in commercial products, compounds in this family are investigated for mid-infrared detection, solid-state lighting, and thermoelectric energy conversion where rare-earth dopants can enhance performance through bandgap engineering and phonon scattering control.

mid-infrared detectorsthermoelectric materials researchsolid-state optoelectronics
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Ba2InErSe5

semiconductor

Ba2InErSe5 is a quaternary chalcogenide semiconductor compound containing barium, indium, erbium, and selenium. This is a research-phase material primarily investigated for its potential in infrared optics and photonic applications, leveraging the wide bandgap and transparency characteristics typical of selenide-based semiconductors. The inclusion of erbium, a rare earth element, positions this compound for exploration in nonlinear optical devices and mid-infrared emitters where rare-earth-doped semiconductors offer wavelength-selective functionality.

infrared optics (research)mid-infrared photonicsrare-earth doped semiconductors
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Ba2InErTe5

semiconductor

Ba2InErTe5 is a ternary/quaternary chalcogenide semiconductor compound combining barium, indium, erbium, and tellurium. This is a research-phase material studied for its potential optoelectronic and photovoltaic properties within the broader family of complex metal chalcogenides. As an experimental compound, it represents the ongoing effort to discover narrow-bandgap semiconductors with tailored electronic structures for infrared detection, thermal photovoltaics, and specialized solid-state device applications where rare-earth doping can engineer optical and electronic response.

infrared detectorsresearch semiconductorsphotovoltaic devices
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Ba2InGdSe5

semiconductor

Ba2InGdSe5 is a quaternary semiconductor compound composed of barium, indium, gadolinium, and selenium, belonging to the rare-earth-doped chalcogenide semiconductor family. This is a research-stage material investigated primarily for infrared optoelectronic and photonic applications where rare-earth dopants enable tunable luminescence and nonlinear optical behavior. The combination of heavy elements and wide bandgap characteristics makes it a candidate for mid-to-far infrared detectors and emitters, areas where conventional semiconductors (GaAs, InP) have limitations.

infrared detectorsnonlinear optical devicesrare-earth photonics
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Ba2InGdTe5

semiconductor

Ba2InGdTe5 is a quaternary chalcogenide semiconductor compound containing barium, indium, gadolinium, and tellurium elements. This is a research-stage material explored for its potential in thermoelectric and optoelectronic applications, belonging to the broader family of complex metal tellurides that show promise for solid-state energy conversion and infrared detection where conventional semiconductors have limitations.

thermoelectric power generationinfrared detectorssolid-state cooling
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Ba2InNdSe5

semiconductor

Ba2InNdSe5 is a ternary selenide semiconductor compound combining barium, indium, and neodymium elements, belonging to the family of rare-earth-containing chalcogenides. This is a research-phase material primarily studied for mid-infrared optoelectronic and photonic applications, where the rare-earth dopant (neodymium) and selenium lattice are engineered to enable wavelength-selective light emission or detection. The material's appeal lies in its potential to operate in spectral windows difficult to access with conventional semiconductors, though it remains predominantly in laboratory development rather than volume production.

infrared optoelectronicsmid-IR emitters and detectorsrare-earth photonics research
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Ba2InNdTe5

semiconductor

Ba2InNdTe5 is a ternary/quaternary semiconductor compound combining barium, indium, neodymium, and tellurium—a research-phase material studied for its potential optoelectronic and thermoelectric properties within the broader family of complex chalcogenide semiconductors. This compound remains primarily in academic investigation rather than established industrial production; it belongs to the class of materials explored for next-generation photovoltaic devices, infrared detectors, or solid-state cooling applications where rare-earth doping and telluride chemistry offer tunable band structure and carrier dynamics.

photovoltaic researchinfrared detectorsthermoelectric devices
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Ba2InSbSe5

semiconductor

Ba2InSbSe5 is a quaternary chalcogenide semiconductor compound combining barium, indium, antimony, and selenium. This material belongs to the family of wide-bandgap semiconductors and is primarily investigated in research contexts for optoelectronic and photovoltaic applications where its bandgap and electronic structure offer potential advantages over more conventional semiconductors. The compound's layered structure and composition make it a candidate for infrared detection, scintillation, and solid-state radiation detection devices where sensitivity in specific wavelength ranges is critical.

infrared detectorsradiation detectionphotovoltaic research
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Ba2InSmSe5

semiconductor

Ba2InSmSe5 is a quaternary semiconductor compound combining barium, indium, samarium, and selenium—a rare-earth-containing chalcogenide belonging to the family of complex semiconductors with potential mid-to-wide bandgap characteristics. This is primarily a research-phase material studied for optoelectronic and photovoltaic applications where rare-earth doping and multi-element composition can enable tuned electronic properties unavailable in binary or ternary semiconductors. Engineering interest centers on exploring whether this compound class can deliver improved light-absorption profiles, carrier mobility, or defect tolerance for next-generation solar cells, IR detectors, or scintillator devices where conventional III–V or II–VI semiconductors have limitations.

photovoltaic researchIR photodetectorsscintillation detectors
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Ba2InSmTe5

semiconductor

Ba2InSmTe5 is a quaternary chalcogenide semiconductor compound composed of barium, indium, samarium, and tellurium. This material belongs to the family of rare-earth-containing metal tellurides, which are primarily investigated for thermoelectric and optoelectronic applications in research and development settings. The incorporation of rare-earth elements (samarium) and the telluride lattice make this compound of interest for mid-to-high temperature energy conversion and solid-state device research, though it remains largely experimental with limited industrial deployment compared to more established semiconductor families.

thermoelectric energy conversionresearch semiconductorsrare-earth optoelectronics
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Ba2InTaO6

ceramic

Ba2InTaO6 is a double perovskite ceramic compound composed of barium, indium, and tantalum oxides, designed for functional applications requiring high dielectric or ferroelectric performance. This material is primarily explored in research and advanced development contexts for microwave and RF applications, photocatalysis, and solid-state device integration, where its ordered perovskite structure offers potential advantages in thermal stability and electrical properties compared to simpler oxide ceramics. The tantalum and indium constituents provide chemical robustness and enable tuning of electronic band structure for specific technological niches.

Microwave dielectricsRF/wireless device substratesPhotocatalytic applications
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Ba2InYSe5

semiconductor

Ba2InYSe5 is a quaternary selenide semiconductor compound combining barium, indium, yttrium, and selenium in a mixed-cation crystal structure. This is a research-phase material under investigation for infrared optics and nonlinear optical applications, belonging to the broader family of chalcogenide semiconductors that offer wide transparency windows in the mid-to-far infrared spectrum. The multi-cation design enables tuning of bandgap and optical properties compared to simpler binary or ternary selenides, making it of interest for specialized photonic and detection applications where conventional semiconductors like silicon or germanium are unsuitable.

infrared optics and detectorsnonlinear optical devicesresearch photonics
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Ba2InYTe5

semiconductor

Ba2InYTe5 is a ternary semiconductor compound combining barium, indium, yttrium, and tellurium in a mixed-metal chalcogenide structure. This is a research-phase material studied for its potential as a wide-bandgap semiconductor, particularly for optoelectronic and photovoltaic applications where telluride-based compounds offer tunable electronic properties and radiation hardness advantages over conventional semiconductors.

experimental semiconductorsradiation-hard electronicsinfrared photovoltaics
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Ba2LaIrO6

ceramic

Ba₂LaIrO₆ is a perovskite-derivative ceramic compound containing barium, lanthanum, and iridium oxides, belonging to the double-perovskite family of functional ceramics. This is primarily a research material rather than a commercial product, investigated for its potential in electrochemical energy conversion and solid-state ionic applications due to the presence of redox-active iridium. Engineers and researchers evaluate such materials for high-temperature electrodes, oxygen reduction/evolution catalysis, and solid-oxide fuel cell components where chemical stability and ionic/electronic conductivity are required.

solid oxide fuel cellsoxygen reduction catalystselectrochemical devices
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Ba2LiFe2N3

metal

Ba2LiFe2N3 is a complex metal nitride compound combining barium, lithium, and iron in a ternary system. This is an experimental research material rather than a commercially established alloy, studied primarily for its potential in energy storage and solid-state ionic conductor applications due to the presence of mobile lithium ions in its crystal structure.

solid-state battery electrolytesenergy storage researchionic conductor materials
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Ba2NaCu3S5

semiconductor

Ba2NaCu3S5 is a ternary sulfide semiconductor compound combining barium, sodium, and copper in a mixed-valence structure. This material is primarily of research interest rather than established commercial use, belonging to the broader family of metal sulfide semiconductors being investigated for photovoltaic, thermoelectric, and optoelectronic applications where earth-abundant alternatives to conventional semiconductors are sought.

experimental photovoltaic materialsthermoelectric devicesoptoelectronic research
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Ba2NdGaS5

semiconductor

Ba2NdGaS5 is a quaternary sulfide semiconductor compound combining barium, neodymium, gallium, and sulfur. This is a research-phase material studied for its potential in photonic and optoelectronic applications, particularly within the broader family of rare-earth-containing chalcogenides known for mid-infrared transparency and nonlinear optical properties. While not yet commercialized at scale, compounds in this material class are of interest as alternatives to conventional oxide or halide semiconductors in specialized optical systems where rare-earth doping and sulfide-based hosts offer advantages in wavelength tunability and thermal stability.

mid-infrared optics (research)nonlinear optical devices (emerging)rare-earth photonic materials (experimental)
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Ba2NdGaSe5

semiconductor

Ba2NdGaSe5 is a quaternary chalcogenide semiconductor compound combining barium, neodymium, gallium, and selenium in a layered crystal structure. This is a research-phase material being investigated for infrared (IR) optoelectronic and nonlinear optical applications, where rare-earth doping and selenium-based semiconductors offer tunable bandgaps and enhanced light-matter interactions compared to conventional III-V semiconductors. The material belongs to the broader family of lanthanide chalcogenides, which are of interest for mid-to-far infrared detection, frequency conversion, and quantum optics where transparency beyond typical semiconductor ranges is needed.

infrared detectorsnonlinear opticsmid-IR photonics
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Ba2NdInSe5

semiconductor

Ba2NdInSe5 is a complex chalcogenide semiconductor compound combining barium, neodymium, indium, and selenium—a research-stage material being explored for its electronic and optical properties within the broader family of rare-earth-containing semiconductors. This compound is primarily investigated in academic and specialized materials research contexts for potential applications in thermoelectric devices, optoelectronic components, and high-performance semiconductors where rare-earth doping provides tunable electronic characteristics. Its novelty lies in the combination of rare-earth (neodymium) and post-transition metal (indium) elements in a selenide framework, which can yield properties distinct from conventional binary or ternary semiconductors, though industrial-scale applications remain largely in the exploratory phase.

thermoelectric materials (research)optoelectronic semiconductors (experimental)rare-earth semiconductor compounds
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Ba2NdInTe5

semiconductor

Ba2NdInTe5 is a quaternary semiconductor compound combining barium, neodymium, indium, and tellurium—a rare-earth-bearing chalcogenide material primarily explored in research and laboratory settings rather than established commercial production. This material family is investigated for potential applications in thermoelectric devices, photovoltaic absorbers, and infrared optics, where the incorporation of rare-earth elements and heavy tellurium anions can influence bandgap engineering and charge-carrier behavior. While not yet widely deployed in industry, Ba2NdInTe5 represents the broader class of complex semiconductors being studied to achieve improved thermoelectric efficiency or specialized optical performance in niche applications where conventional materials fall short.

thermoelectric power generation (research stage)infrared detectors and opticsphotovoltaic absorber layers (experimental)
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Ba2ReNiO6

ceramic

Ba₂ReNiO₆ is a complex perovskite-derived oxide ceramic composed of barium, rhenium, nickel, and oxygen. This is a research compound rather than an established engineering material, investigated primarily for its potential electrochemical and magnetic properties within the broader family of double perovskites and mixed-metal oxides. Interest in this material stems from the combination of rare earth/transition metal sites, which can lead to novel electronic, catalytic, or ferrimagnetic behavior relevant to energy conversion and storage applications.

Experimental electrochemistryEnergy storage researchOxygen catalysis (OER/ORR)
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Ba2Sb7HO14

semiconductor

Ba2Sb7HO14 is an oxyhalo compound—a mixed barium antimony oxide hydroxide—belonging to the family of complex metal oxides with potential semiconductor or ionic conductor behavior. This is a research-phase material not yet widely deployed in commercial applications; compounds of this class are investigated for solid-state ion transport, catalytic activity, and electronic properties in specialized electrochemical or photonic devices.

solid-state electrochemistryion conductor researchphotocatalysis development
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Ba2Sb7O14H

semiconductor

Ba2Sb7O14H is an oxysalt semiconductor compound containing barium, antimony, oxygen, and hydrogen—a mixed-valent metal oxide that belongs to the family of complex transition metal oxides. This material is primarily of research interest for photocatalytic and optoelectronic applications, where its layered structure and semiconducting behavior make it a candidate for visible-light photocatalysis, hydrogen generation, and environmental remediation. Its selection over conventional semiconductors like TiO₂ or BiVO₄ would depend on its specific band gap alignment and light absorption characteristics, though it remains in the early development stage with limited commercial deployment.

photocatalysis and water splittingenvironmental remediationoptoelectronic devices
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Ba2ScIrO6

ceramic

Ba₂ScIrO₆ is a double perovskite ceramic compound containing barium, scandium, and iridium oxides. This is primarily a research-phase material studied for its electronic and magnetic properties rather than an established commercial ceramic. Double perovskites like this compound are of interest in condensed matter physics and materials research for potential applications in energy conversion, magnetism, and electrochemistry, where the mixed transition metal composition can enable tunable properties unavailable in simpler oxide ceramics.

electrochemical catalysis researchthermoelectric materials developmentmagnetic material characterization
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Ba2ScTaO6

ceramic

Ba2ScTaO6 is a complex oxide ceramic compound composed of barium, scandium, and tantalum in a perovskite-derived structure. This material is primarily investigated in research contexts for functional ceramic applications, particularly where dielectric, ferroelectric, or microwave properties are required. As an experimental compound, it represents the broader family of rare-earth and transition-metal oxide ceramics that show promise for high-frequency electronics, capacitive devices, and specialized refractory applications where chemical stability and phase purity are critical.

dielectric ceramicsmicrowave resonatorshigh-frequency electronics
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Ba2SiO4

ceramic

Ba2SiO4 (barium silicate) is an inorganic ceramic compound belonging to the silicate family, characterized by a barium-silicon-oxygen structure. It is primarily investigated for use in high-temperature applications, refractories, and specialized cement systems, where its thermal stability and chemical durability are advantageous. The material is notable in research contexts for calcium-free cement formulations and as a constituent in advanced refractory compositions where thermal cycling resistance is critical.

high-temperature refractoriescement and binder systemsthermal insulation
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Ba2SmCu3O7

ceramic

Ba2SmCu3O7 is a ceramic compound belonging to the family of rare-earth barium copper oxides, which are primarily investigated as high-temperature superconducting materials and related functional ceramics. This material is largely of research and experimental significance rather than mainstream industrial production, with potential applications in superconducting devices, electronic components, and advanced ceramic systems where the combination of barium, samarium, and copper oxides may offer unique electromagnetic or thermal properties.

superconducting materials (research)high-temperature ceramicsfunctional oxides
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Ba2SmGaSe5

semiconductor

Ba2SmGaSe5 is a quaternary chalcogenide semiconductor compound composed of barium, samarium, gallium, and selenium. This material belongs to the family of rare-earth-containing semiconductors, which are primarily of research and developmental interest rather than established commercial products. The compound is investigated for its potential in infrared optics, nonlinear optical applications, and solid-state photonic devices, where the combination of rare-earth doping and chalcogenide properties may enable tunable emission or detection across the infrared spectrum.

infrared optics researchnonlinear optical materialsphotonic semiconductors
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Ba2SmGaTe5

semiconductor

Ba2SmGaTe5 is a ternary chalcogenide semiconductor compound combining barium, samarium, gallium, and tellurium elements. This is a research-phase material studied for its potential in infrared optoelectronics and photovoltaic applications, where telluride-based semiconductors offer wide bandgap tunability and strong light-absorption characteristics in the IR spectrum. The material represents an emerging class of complex metal chalcogenides being investigated as alternatives to conventional binary semiconductors (like CdTe or GaAs) for specialized detection and energy conversion devices, though industrial deployment remains limited to exploratory and laboratory settings.

infrared detectorsphotovoltaic researchoptoelectronic devices
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Ba2SmInSe5

semiconductor

Ba₂SmInSe₅ is a quaternary chalcogenide semiconductor compound composed of barium, samarium, indium, and selenium. This is a research-phase material being investigated for its potential in infrared photonics and solid-state device applications, where rare-earth doping and chalcogenide semiconductors offer tunable bandgaps and optical properties for specialized detection and emission across the infrared spectrum.

infrared detectors and sensorsnonlinear optical devicesrare-earth doped semiconductors
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Ba2SmInTe5

semiconductor

Ba2SmInTe5 is a ternary semiconductor compound composed of barium, samarium, indium, and tellurium, belonging to the family of complex chalcogenide semiconductors. This is primarily a research material rather than an established industrial compound; it is studied for potential applications in thermoelectric energy conversion and infrared optoelectronics, where the layered crystal structure and band gap characteristics of telluride-based semiconductors offer advantages over conventional binary or ternary alternatives. Engineers and materials researchers investigating novel thermoelectric devices or infrared detectors in demanding environments would evaluate this material for its potential efficiency and thermal stability advantages.

thermoelectric power generationinfrared photodetectorssolid-state cooling devices
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