TlIn5S7

ceramic

· JVASP-57275· TlIn5S7

TlIn5S7 is a ternary chalcogenide ceramic compound belonging to the family of thallium-indium sulfides, which are semiconducting ceramics of interest in optoelectronic and photonic applications. This material exists primarily in research and development contexts, where it is studied for potential use in infrared optical systems, nonlinear optics, and solid-state devices that exploit the wide bandgap and optical transparency properties characteristic of this compound family. Compared to conventional semiconductors like GaAs or InP, thallium-indium sulfides offer distinct absorption and refractive index characteristics in the mid-to-far infrared spectrum, making them candidates for specialized optical windows and detectors, though commercial adoption remains limited.

infrared optics and windowssemiconductor researchnonlinear optical devicesphotodetectorsexperimental photonics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1934	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.6270	eV	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.4500	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.6433	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00168	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000532	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-184.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	124.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6178	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

TlIn5S7 — Properties & Data | MatWorld

TlIn5S7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental