10,375 materials
CsZn₄In₅Se₁₂ is a quaternary semiconductor compound combining cesium, zinc, indium, and selenium in a complex crystal structure. This material belongs to the family of multinary chalcogenide semiconductors, currently of primary interest in research and development rather than established commercial production. The compound is investigated for potential applications in photovoltaic devices, particularly thin-film solar cells, and nonlinear optical components, where its tunable band gap and layered structure offer advantages over simpler binary or ternary semiconductors in controlling light absorption and carrier transport.
CsZn4In5Te12 is a quaternary semiconductor compound composed of cesium, zinc, indium, and tellurium elements, belonging to the family of complex chalcogenide semiconductors. This material is primarily investigated in research contexts for optoelectronic and photovoltaic applications, where its tunable bandgap and potential for efficient light absorption make it a candidate for next-generation solar cells, photodetectors, and infrared sensing devices. Its notable advantage over simpler binary or ternary semiconductors lies in the ability to engineer electronic properties through compositional control of multiple cation sites, though it remains largely in the experimental phase rather than established industrial production.
CsZrPSe6 is a ternary chalcogenide semiconductor compound composed of cesium, zirconium, phosphorus, and selenium. This material belongs to the family of metal phosphide selenides and is primarily investigated in research settings for its potential as a wide-bandgap semiconductor with ionic-covalent bonding characteristics. While not yet established in mainstream industrial production, compounds in this material class show promise for photonic and optoelectronic device development, particularly where radiation hardness, thermal stability, or wide-bandgap semiconducting behavior is required.
Cu0.01Ga1.99Se2.99 is a copper-doped gallium selenide compound semiconductor, representing a subtle compositional variant of the binary GaSe system with trace copper incorporation. This material is primarily of research and developmental interest for optoelectronic and photovoltaic applications, where the copper doping is investigated for its effects on charge carrier dynamics, bandgap tuning, and defect passivation in layered chalcogenide semiconductors. The copper substitution at gallium sites may enhance light absorption or modify electronic transport compared to undoped GaSe, making it relevant for next-generation thin-film photovoltaics and nonlinear optical devices.
Cu0.01In1.99Se2.99 is a copper-doped indium selenide compound semiconductor with a nominal composition approaching InSe with minimal copper substitution. This material belongs to the III–VI semiconductor family and is primarily of research interest for photovoltaic and optoelectronic applications, where the copper doping is investigated to modify electronic properties and carrier dynamics compared to undoped InSe. The composition falls within the thin-film solar cell and photodetector development space, where InSe-based semiconductors are explored as alternatives to more mature CdTe or CIGS systems due to their tunable bandgap and potential for high absorption coefficients.
Cu0.05Ga1.95S2.95 is a copper-doped gallium sulfide semiconductor compound, representing a variation of the GaS family with controlled copper substitution for band structure engineering. This material is primarily of research interest for optoelectronic and photovoltaic applications, where the copper doping modifies electronic properties to enhance light absorption and carrier transport compared to undoped gallium sulfide. The compound belongs to the wider family of chalcogenide semiconductors investigated for thin-film solar cells, photodetectors, and nonlinear optical devices where tunable bandgap and improved efficiency are design goals.
Cu0.05Ga1.95Se2.95 is a copper-doped gallium selenide compound semiconductor, a variant within the III-VI semiconductor family with partial copper substitution on the gallium sublattice. This is primarily a research material being investigated for its potential to improve optoelectronic and photovoltaic properties compared to undoped gallium selenide, with copper doping used to engineer bandgap and carrier transport characteristics for specialized device applications.
Cu0.05Ni0.7Sn0.25 is a nickel-tin bronze alloy with minor copper content, belonging to the family of copper-based alloys modified for enhanced corrosion resistance and strength. This composition sits in the research and specialty alloy space, as it represents a variation on classical phosphor bronzes and nickel-silvers, potentially optimized for specific corrosive environments or mechanical property targets where standard brasses or bronzes are insufficient.
Cu0.125Mn0.25Ni0.375Sn0.25 is a quaternary copper-based alloy combining copper, manganese, nickel, and tin in specific proportions, placing it in the family of specialized bronze and cupronickel variants. This composition targets enhanced mechanical strength, corrosion resistance, and wear performance compared to binary or ternary copper alloys. The alloy is likely encountered in specialized industrial applications requiring a balance of ductility, fatigue resistance, and environmental durability—such as marine fasteners, pump components, or bearing applications—though this particular ratio may represent either a proprietary formulation or research composition optimized for niche engineering requirements.
Cu0.12Ni0.63Sn0.25 is a copper-nickel-tin ternary alloy, likely a specialized bronze or cupronickel composition designed for enhanced mechanical strength and corrosion resistance. This alloy family bridges traditional bronzes (copper-tin) with nickel additions to improve durability in marine and corrosive environments; it is used in marine hardware, seawater piping systems, heat exchanger tubes, and electrical contact applications where both conductivity and resistance to saltwater corrosion are critical. Engineers select cupronickel-tin alloys over plain bronzes when higher strength and longer service life in wet or saline conditions justify the added material cost.
Cu0.15Ga1.85Se2.85 is a quaternary semiconductor compound belonging to the chalcopyrite family, formed by controlled doping of gallium selenide with copper. This material is primarily investigated in research and development contexts for photovoltaic and optoelectronic applications, where the copper substitution modifies the bandgap and electronic properties compared to binary or ternary selenides. The compound represents an emerging approach to tuning semiconductor characteristics for specialized detector, solar cell, or light-emitting device designs.
Cu0.15In1.85Se2.85 is a copper-indium selenide compound semiconductor, a derivative of the CuInSe₂ (CIS) family with modified copper and indium stoichiometry. This material is primarily explored in photovoltaic research as an absorber layer in thin-film solar cells, offering potential advantages in bandgap tuning and defect tolerance compared to stoichiometric CIS. Its modified composition targets improved efficiency and stability in next-generation solar technologies, though it remains predominantly a research compound rather than a commercial-scale material.
Cu0.1Ga1.9S2.9 is a copper-doped gallium sulfide compound semiconductor, representing a copper-doped variant of the III-VI semiconductor family. This material is primarily of research interest for optoelectronic and photovoltaic applications, where controlled doping of gallium sulfide with copper modulates electronic and optical properties for tunable device performance.
Cu₀.₁In₁.₉Se₂.₉ is a copper-indium selenide semiconductor compound, a derivative of the CuInSe₂ family in which the copper content is reduced and indium is slightly enriched relative to the stoichiometric ternary composition. This material is primarily investigated in photovoltaic research, particularly for thin-film solar cell absorber layers where it may offer tuned bandgap and defect properties compared to the conventional CuInSe₂ baseline. The copper-deficient composition is of interest in laboratory and applied research settings for understanding how dopant/vacancy engineering affects charge transport and recombination in chalcopyrite absorbers, though it remains less established in high-volume industrial production than its parent compound.
Cu0.1Ni0.49Sn0.41 is a copper-nickel-tin ternary alloy, a member of the bronze/cupronickel family that combines nickel's corrosion resistance with tin's strengthening effect. This composition sits within the range historically explored for marine hardware, electrical contacts, and corrosion-resistant springs where a balance of workability, strength, and seawater resistance is needed. The high nickel content (49%) makes it particularly suited to environments where cupronickels excel, while tin addition (41%) provides additional hardening; however, this specific ratio is not a common commercial standard, suggesting it may represent either a specialized industrial variant or a composition investigated in materials research for optimizing cost and performance trade-offs in demanding corrosive environments.
Cu0.25Ni1.75MnSn is a quaternary copper-nickel-manganese-tin alloy belonging to the family of shape memory alloys (SMAs) and/or high-strength nonferrous alloys. This composition sits within research and development territory for advanced functional alloys, likely investigated for its potential to combine moderate copper content with nickel-manganese base characteristics that are known to exhibit martensitic transformation behavior. The material is of interest where cost-effective alternatives to traditional copper-beryllium or nickel-titanium alloys are sought, particularly in applications requiring a balance of mechanical strength, corrosion resistance, and potential shape memory or damping properties.
Cu0.275Ni0.27Sn0.455 is a copper-nickel-tin alloy, likely a variant of cupronickel or nickel-silver family composition, designed to balance corrosion resistance, strength, and workability. This alloy combination is relevant for marine, electrical, and decorative applications where copper's conductivity and corrosion resistance are enhanced by nickel and tin additions; it represents a research or specialty formulation optimized for specific performance trade-offs compared to standard cupronickel (90/10 or 70/30) or bronze specifications.
Cu0.2Ga1.8S2.8 is a copper-gallium sulfide compound semiconductor, a ternary chalcogenide material that belongs to the family of I-III-VI semiconductors. This is a research-phase material rather than a commercial product, studied for its potential to serve as a light-absorbing layer or buffer layer in thin-film photovoltaic devices and optoelectronic applications. The copper doping and gallium-sulfur stoichiometry are designed to optimize bandgap and electronic properties for solar energy conversion or other light-based applications, though its specific performance advantages over established alternatives like CdTe, CIGS, or perovskites require evaluation against intended device architecture and environmental operating conditions.
Cu0.2Ga1.8Se2.8 is a p-type semiconductor compound derived from the chalcopyrite family, specifically a copper-gallium selenide alloy with reduced copper content. This material is primarily studied for photovoltaic and optoelectronic applications, particularly as an absorber layer in thin-film solar cells and as a potential substitute for higher-cadmium alternatives in polycrystalline solar technologies. The reduced copper ratio relative to gallium and selenium composition influences bandgap tuning and carrier dynamics, making it of interest for research into efficiency improvements and materials sustainability in next-generation photovoltaic devices.
Cu0.2In1.8Se2.8 is a quaternary semiconductor compound derived from the chalcopyrite family, specifically a copper-indium-diselenide (CIS) variant with off-stoichiometric copper and indium ratios. This material is primarily investigated in photovoltaic research as a thin-film absorber layer for high-efficiency solar cells, where the tuned bandgap and composition offer potential advantages in light absorption and charge carrier transport compared to binary or ternary alternatives. The copper-deficient, indium-rich composition represents an emerging experimental formulation within the CIGS (copper-indium-gallium-selenide) and related CIS material families, where compositional engineering is used to optimize efficiency and stability for next-generation solar technologies.
Cu0.2Ni0.39Sn0.41 is a copper-nickel-tin ternary alloy, a member of the bronze/cupronickel family used in corrosion-resistant and wear-resistant applications. This composition falls within classical bronze metallurgy territory and is typically employed in marine environments, electrical contacts, and bearing materials where corrosion resistance and moderate mechanical strength are required together. The nickel addition enhances corrosion resistance compared to binary copper-tin bronzes, while the tin content provides hardening and wear resistance—making this alloy competitive with commercial cupronickel grades used in seawater piping and desalination equipment.
This is a quaternary copper-based alloy containing manganese, nickel, and tin in roughly equal proportions, representing a specialized composition within the family of copper-manganese-nickel bronzes. While not a widely established commercial alloy, this specific formulation falls within the research space of multi-component copper alloys designed to balance corrosion resistance, mechanical strength, and potential magnetic properties through controlled alloying. Engineers would evaluate this composition for applications where conventional brasses or bronzes fall short—particularly where corrosion resistance in aggressive environments, wear resistance, or specific electromagnetic characteristics are critical performance drivers.
Cu0.35Ga1.65S2.65 is a copper-gallium sulfide compound semiconductor with a cation-deficient chalcopyrite structure, representing a quaternary or complex ternary semiconductor system. This material is primarily of research and developmental interest for photovoltaic and optoelectronic applications, where its tunable bandgap and potential for efficient light absorption make it a candidate for thin-film solar cells and light-emitting devices. The incorporation of gallium and the specific copper deficiency create electronic properties distinct from binary or simpler ternary sulfides, offering opportunities to engineer device performance in next-generation semiconductor technologies.
Cu0.35Ga1.65Se2.65 is a quaternary chalcogenide semiconductor compound belonging to the I-III-VI2 family, engineered by copper and gallium alloying in a selenium matrix. This material is primarily investigated for photovoltaic and optoelectronic applications, particularly as an absorber layer or window material in thin-film solar cells and photodetectors. The precise stoichiometry suggests experimental research focus on bandgap engineering and efficiency optimization in next-generation solar technologies, where this composition offers potential advantages in light absorption and carrier transport compared to binary or ternary analogues.
Cu0.35In1.65Se2.65 is a quaternary chalcopyrite-family semiconductor compound, a copper-indium selenide variant with modified stoichiometry relative to the prototypical CuInSe₂. This material is primarily investigated for photovoltaic and optoelectronic applications, particularly as an absorber layer in thin-film solar cells and as a research platform for tuning band gap and electronic properties through compositional engineering.
Cu0.375Mn0.25Ni0.125Sn0.25 is a quaternary copper-based alloy combining copper, manganese, nickel, and tin in specific proportions, likely developed for enhanced mechanical and corrosion resistance properties compared to binary or ternary copper alloys. This composition falls within research-driven materials development, potentially targeting applications requiring improved strength, wear resistance, or specific electromagnetic properties while maintaining copper's excellent thermal and electrical conductivity. The inclusion of manganese and nickel suggests refinement of grain structure and corrosion performance, while tin may contribute to hardening and fatigue resistance.
Cu0.375Ni0.17Sn0.455 is a copper-nickel-tin ternary alloy, a member of the bronze/cupronickel family with significant nickel addition for enhanced strength and corrosion resistance. This composition falls within research and specialized industrial space, likely developed for applications requiring improved mechanical properties and seawater corrosion resistance compared to traditional binary brasses or bronzes. Engineers would consider this alloy where moderate-to-high strength, non-magnetic behavior, and biofouling resistance are simultaneously required—such as marine equipment or electrical contacts—though availability and cost compared to standard wrought cupronikel grades warrant evaluation.
Cu0.3Ga1.7S2.7 is a copper-gallium sulfide compound semiconductor with mixed-valence cation composition, belonging to the family of ternary chalcogenides. This material is primarily investigated in research contexts for photovoltaic and optoelectronic applications, where its tunable bandgap and layered crystal structure offer potential advantages in thin-film solar cells and light-emitting devices compared to binary semiconductors.
Cu0.3In1.7Se2.7 is a quaternary chalcogenide semiconductor compound belonging to the I-III-VI family, structurally related to CuInSe2 (CIS) and commonly studied as an absorber material in thin-film photovoltaic research. This copper-indium-selenide composition is primarily investigated for next-generation solar cell applications where its adjustable bandgap and light-harvesting properties offer potential advantages in efficiency and manufacturing scalability compared to conventional silicon photovoltaics. The material remains largely in research and development phases, with commercial adoption limited to specialized laboratory and pilot-scale photovoltaic fabrication.
Cu0.3Ni0.29Sn0.41 is a copper-nickel-tin ternary alloy, likely a variant within the bronze or cupronickel family designed for enhanced strength and corrosion resistance through controlled alloying. This composition sits between traditional brasses and bronzes, and appears to be either a commercial or research alloy targeting applications where moderate copper content, nickel hardening, and tin strengthening are balanced for specific mechanical and environmental performance.
Cu0.3Ni0.45Sn0.25 is a copper-nickel-tin ternary alloy, likely a cupronickel or bronze-family composition engineered for corrosion resistance and strength. This material family sees use in marine hardware, electrical contacts, and valve bodies where seawater exposure or corrosive environments demand reliable performance; the nickel addition enhances corrosion resistance while tin contributes to hardness and wear resistance compared to binary copper alloys. If this is a research or proprietary composition, it represents targeted tuning of the classical Cu-Ni-Sn system for specific mechanical or corrosive service conditions.
Cu0.4Ga1.6S2.6 is a mixed-valence copper gallium sulfide compound belonging to the family of I-III-VI₂ semiconductors, where copper and gallium cations occupy cation sites within a sulfide anion lattice. This material is primarily of research and developmental interest for optoelectronic and photovoltaic applications, particularly as a wide-bandgap absorber layer or window material in thin-film solar cells and photodetectors. The compound's tunable bandgap, derived from the copper-gallium substitution ratio, makes it attractive for engineers exploring next-generation absorber materials beyond conventional CdTe or CIGS technologies, though it remains largely in the experimental stage compared to commercialized alternatives.
Cu0.4In1.6Se2.6 is a ternary chalcogenide semiconductor compound belonging to the I–III–VI family, related to the CuInSe2 system used in photovoltaic absorber layers. This material is primarily studied in research contexts for thin-film solar cell applications, where controlled copper deficiency and indium excess are explored to optimize bandgap and carrier transport properties. It represents an experimental composition variant designed to improve efficiency and stability compared to stoichiometric CuInSe2, making it relevant for next-generation photovoltaic device engineering.
Cu0.4Ni0.35Sn0.25 is a ternary copper-nickel-tin alloy combining the corrosion resistance of cupronickel with tin's strengthening and wear-resistance contributions. This composition sits within the copper-nickel-tin family used in marine hardware, electrical contacts, and bearing applications where corrosion resistance, moderate strength, and fatigue durability are balanced requirements. The addition of tin to cupronickel improves hardness and reduces dezincification tendencies compared to binary brasses, making it suitable for seawater service and high-stress sliding applications.
Cu0.55Ni0.20Sn0.25 is a copper-nickel-tin ternary alloy that combines the corrosion resistance of cupronickel with tin strengthening, placing it in the family of specialized bronze and cupronickel alloys. This composition is primarily used in marine hardware, electrical contacts, and decorative applications where a balance of corrosion resistance, electrical conductivity, and mechanical strength is required. The nickel and tin additions improve wear resistance and tarnish resistance compared to pure copper or binary copper-nickel alloys, making it suitable for environments with salt water exposure and sliding contact applications.
Cu0.5Ga1.5S2.5 is a ternary chalcogenide semiconductor compound belonging to the I-III-VI family of materials, characterized by mixed-valence copper and gallium cations in a sulfide lattice. This is primarily a research-phase material investigated for photovoltaic and optoelectronic applications, where its tunable bandgap and potential for thin-film device architectures make it relevant to next-generation solar cells and light-emitting devices. The material represents an alternative to conventional binary semiconductors, offering compositional flexibility to engineer electronic properties without relying on toxic or scarce elements common in legacy semiconductor technologies.
Cu₀.₅Ga₁.₅Se₂.₅ is a quaternary semiconductor compound belonging to the I-III-VI₂ family, structurally related to chalcopyrite semiconductors. This material is primarily of research interest for photovoltaic and optoelectronic applications, where its tunable bandgap and direct band structure make it a candidate for thin-film solar cells, photodetectors, and light-emitting devices. While not yet commercialized at scale, compounds in this family are being investigated as alternatives to conventional cadmium telluride (CdTe) and copper indium gallium selenide (CIGS) absorbers, offering potential advantages in cost, toxicity, and device efficiency through compositional engineering.
Cu0.5Ge1Pb1.75S4 is a quaternary sulfide semiconductor compound belonging to the famatinite mineral family, designed for thermoelectric and photovoltaic energy conversion applications. This material is primarily of research and early-development interest rather than established commercial production, investigated for its potential in solid-state energy harvesting where low thermal conductivity and moderate bandgap make it attractive relative to conventional semiconductors. The lead and copper-germanium-sulfide system offers tunable electronic properties that researchers explore for waste heat recovery, solar cells, and other temperature-dependent semiconductor devices.
Cu₀.₅In₁.₅Se₂.₅ is a quaternary semiconductor compound belonging to the chalcopyrite family, specifically a copper-indium-selenide (CIS) derivative with partial copper substitution. This material is investigated primarily in photovoltaic research as an absorber layer for thin-film solar cells, where its tunable bandgap and high optical absorption coefficient offer potential advantages over binary and ternary CIS compounds. The copper-deficient composition and indium-rich stoichiometry are tailored to optimize optoelectronic performance, though this remains largely an experimental compound; the broader CIS/CIGS family is well-established in commercial thin-film photovoltaic technology.
Cu0.5Pb1.75GeS4 is a quaternary sulfide semiconductor compound combining copper, lead, germanium, and sulfur elements. This material belongs to the family of lead-germanium sulfides and is primarily of research interest for thermoelectric and optoelectronic applications, where its band structure and phonon-scattering properties may offer advantages in energy conversion or light emission/detection at infrared wavelengths. Engineers and materials researchers evaluate such compounds as alternatives to more common semiconductors when seeking improved thermal-to-electrical conversion efficiency, reduced thermal conductivity, or tailored optical responses in niche applications.
Cu0.6Ni0.15Sn0.25 is a copper-nickel-tin ternary alloy that combines the corrosion resistance of cupronickel with tin's strengthening and wear-resistance contributions, positioning it within the family of high-performance bronze and cupronickel alloys. This composition is employed in marine hardware, electrical contacts, and corrosion-resistant fasteners where superior seawater resistance and mechanical durability are required without the cost premium of pure cupronickel or specialty superalloys. The nickel and tin additions enhance hardness and fatigue resistance compared to binary copper-nickel systems, making it particularly valuable in saltwater piping, pump components, and heat-exchanger tubing where galvanic corrosion and erosion-corrosion are recurring failure modes.
Cu0.7In1.3Se2.3 is a copper indium selenide-based quaternary semiconductor compound, part of the chalcopyrite family of materials used in photovoltaic and optoelectronic applications. This composition represents a tuned variant of the CuInSe2 system, where stoichiometric adjustments are made to optimize bandgap energy and electronic properties for specific device requirements. The material is primarily investigated in research and development contexts for thin-film solar cells and photodetectors, where lattice tuning and composition engineering offer pathways to improve efficiency and wavelength selectivity compared to binary or ternary semiconductors.
Cu0.8Ga1.2Se2.2 is a copper-gallium selenide compound semiconductor with a composition near the chalcopyrite structure family, intentionally doped or off-stoichiometric to modify electronic properties for photovoltaic or optoelectronic applications. This material exists primarily in the research and development phase, where it is investigated as a thin-film absorber for next-generation solar cells and as a tunable wide-bandgap semiconductor for specialized optoelectronic devices; the gallium enrichment and selenium content variation relative to copper-only selenides allows researchers to engineer the bandgap and carrier transport properties for improved conversion efficiency or wavelength-selective photodetection compared to ternary CuGaSe₂.
Cu0.95In1.05Se2.05 is a narrow-bandgap semiconductor compound based on the copper indium selenide (CIS) family, with composition near the stoichiometric CuInSe2 but slightly indium-rich and selenium-rich. This material is primarily investigated for photovoltaic applications, particularly as an absorber layer in thin-film solar cells, where its tunable bandgap and strong light absorption make it an attractive alternative to cadmium telluride and silicon-based cells. The slight deviation from ideal stoichiometry is deliberately engineered to optimize defect states and carrier transport, making it particularly relevant for research into high-efficiency polycrystalline solar absorbers and tandem photovoltaic devices.
Cu0.96Bi2Se3I1 is a doped bismuth selenide compound, representing a modified topological insulator material in the bismuth chalcogenide family. This is a research-stage semiconductor whose composition combines copper and iodine dopants with the layered Bi2Se3 matrix to tune electronic and thermal properties for potential thermoelectric and quantum device applications. The material is notable within the topological materials class for its tunable carrier concentration and potential enhanced performance in energy conversion and low-dimensional electronic systems compared to undoped parent compounds.
Cu0.99Ga1.01Se2.01 is a chalcopyrite-structure semiconductor compound, a variant of copper gallium selenide (CuGaSe₂) with slight stoichiometric adjustments. This material is primarily investigated in photovoltaic research and thin-film solar cell development, where it serves as an absorber layer due to its direct bandgap and strong light absorption. The near-unity copper-to-gallium ratio and selenium-rich composition are engineered to optimize defect tolerance and carrier transport compared to stoichiometric CuGaSe₂, making it relevant for next-generation high-efficiency solar technologies that compete with established CIGS (copper indium gallium selenide) absorbers.
Cu₀.₉₉In₁.₀₁Se₂.₀₁ is a near-stoichiometric chalcopyrite semiconductor compound, essentially CuInSe₂ with minor compositional variations that represent a research-grade material rather than a commercial alloy. This compound belongs to the I-III-VI₂ ternary semiconductor family and is primarily investigated for thin-film photovoltaic applications, particularly as an absorber layer in CIGS (copper indium gallium selenide) solar cells and related heterojunction devices. The slight deviation from perfect stoichiometry (indicated by the subscripts) reflects defect engineering or processing control typical of laboratory synthesis, which can influence electronic properties and device efficiency compared to exactly stoichiometric CuInSe₂.
Cu0.9Ga1.1Se2.1 is a chalcopyrite-based semiconductor compound, a copper–gallium selenide system with a slight gallium excess and selenium stoichiometry deviation from the ideal CuGaSe₂ structure. This material is primarily investigated in photovoltaic and optoelectronic research contexts, belonging to the I–III–VI₂ semiconductor family with potential for high-efficiency thin-film solar cells and related light-harvesting devices; it differs from its stoichiometric counterpart through engineered defect states and band-gap tuning achieved via compositional variation.
Cu0.9In1.1Se2.1 is a chalcopyrite-structured compound semiconductor with copper, indium, and selenium—a variant of the CuInSe2 family widely studied for photovoltaic and optoelectronic applications. This material is primarily investigated in research and development contexts for thin-film solar cells, where it offers tunable bandgap, high absorption coefficients, and potential cost advantages over silicon-based alternatives. The slight stoichiometric deviation (excess indium, excess selenium) is typical of optimized formulations aimed at improving defect management and carrier transport in laboratory and pilot-scale device prototypes.
Cu10Ni49Sn41 is a copper-nickel-tin ternary alloy that belongs to the cupronickel family, a class of brasses and bronzes valued for corrosion resistance and strength. This composition—approximately 10% copper, 49% nickel, and 41% tin by mass—is typically encountered in specialized marine and electronics applications where resistance to seawater corrosion and thermal cycling is critical. The high nickel and tin content provides enhanced durability in aggressive aqueous environments and improved fatigue performance compared to binary copper-tin or copper-nickel systems.
Cu10Sb3 is an intermetallic compound in the copper-antimony system, representing a brittle metallic phase that forms at specific compositional ratios. This material is primarily of research and academic interest rather than a mainstream engineering material; it belongs to the broader family of metal intermetallics studied for potential applications in high-temperature systems and thermoelectric materials.
Cu11Ni4Sn5 is a copper-nickel-tin ternary alloy belonging to the family of bronze and cupronickel systems, likely developed for applications requiring enhanced strength and corrosion resistance beyond binary copper alloys. This composition sits at the intersection of tin-hardened bronzes and nickel-strengthened coppers, positioning it for marine, electrical, or wear-resistant applications where both mechanical performance and environmental durability are critical. The specific ratio suggests a research or specialized industrial formulation rather than a widely standardized alloy, making it relevant to engineers seeking alternatives to conventional brasses or commercial bronzes in demanding service environments.
Cu11Sb4S13 is a ternary sulfide compound belonging to the metal chalcogenide family, specifically a copper antimony sulfide phase. This material is primarily of research and development interest for thermoelectric and photovoltaic applications, where its mixed-valence structure and electronic properties are being investigated for energy conversion and semiconductor device contexts.
Cu12Ni3Sn5 is a copper-nickel-tin ternary alloy belonging to the family of copper-based engineering alloys, combining the corrosion resistance of nickel and the strengthening effects of tin in a copper matrix. This composition sits within the historical space of naval brasses and modern cupronickel alloys, though the specific ratio suggests potential application in wear-resistant or bearing contexts where tin acts as a hardening phase. The alloy family is valued in industries requiring corrosion resistance, thermal conductivity, and moderate strength, with particular relevance where seawater exposure or high-cycle wear resistance is critical.
Cu12Ni63Sn25 is a copper-nickel-tin ternary alloy belonging to the cupronickel family, commonly known as nickel silver or german silver when tin is a primary alloying addition. This alloy combines the corrosion resistance of cupronickel with enhanced hardness and wear resistance from tin additions, making it suitable for demanding marine and industrial environments where both strength and durability are critical.
Cu15Si4 is a copper-silicon intermetallic compound containing approximately 15% copper and 4% silicon, belonging to the family of copper-silicon alloys and intermetallics. This material is primarily of research and specialized industrial interest, valued in applications requiring high hardness, wear resistance, and thermal stability, such as wear-resistant coatings, composite reinforcements, and high-temperature bearing surfaces. It represents an alternative to traditional bronze and brass formulations where enhanced hardness or specific thermal properties are advantageous over standard wrought copper alloys.
Cu1.75Ni0.25MnSn is a quaternary copper-nickel-manganese-tin alloy belonging to the copper alloy family, likely formulated as a variant of copper-nickel or cupronickel-based systems with manganese and tin additions for enhanced properties. This composition sits within research and specialty alloy development space, where the combined elements are selected to improve corrosion resistance, strength, and wear performance compared to binary copper-nickel systems. The material's practical utility centers on marine and seawater applications, desalination equipment, and corrosion-critical heat exchangers where the nickel and manganese additions boost resistance to chloride attack, while tin acts as a secondary strengthening element.
Cu1.8S is a copper sulfide compound and intrinsic semiconductor belonging to the chalcogenide family, notable for its narrow bandgap and mixed-valence copper behavior. It is primarily investigated in research contexts for thermoelectric energy conversion, photovoltaic devices, and optoelectronic applications where its tunable electrical and thermal properties offer potential advantages over conventional semiconductors. Cu1.8S represents an underexplored alternative to established materials like CdTe or PbTe, with particular promise in waste-heat recovery and portable power generation where material abundance and cost-effectiveness are driving factors.
Cu1.8S1 is a copper sulfide semiconductor compound with a copper-rich stoichiometry, belonging to the family of metal chalcogenide semiconductors. This material is primarily of research interest for photovoltaic applications, particularly as an absorber or buffer layer in thin-film solar cells, where its adjustable bandgap and relatively high absorption coefficient make it attractive compared to conventional CdS alternatives. Cu1.8S1 is also investigated for thermoelectric and optoelectronic device applications, though commercial deployment remains limited and the material is considered a development-stage compound rather than an established industrial standard.
Cu18S11 is a copper-sulfur compound that belongs to the family of copper sulfides, likely representing a specific stoichiometric or near-stoichiometric phase in the Cu-S binary system. This material is of primary interest in materials research and solid-state chemistry rather than established industrial production, with potential applications emerging in semiconductor physics, electrochemistry, and thermal energy storage where copper sulfides show promise due to their mixed-valence copper character and variable electronic properties.