TlIn5Se7

ceramic

· JVASP-55108· TlIn5Se7

TlIn5Se7 is a ternary semiconductor ceramic compound combining thallium, indium, and selenium in a layered crystal structure. This material belongs to the family of chalcogenide semiconductors and is primarily of research interest rather than widespread industrial use, with potential applications in infrared optics, photodetection, and specialized electronic devices where its narrow bandgap and anisotropic properties may offer advantages over conventional semiconductors.

infrared detectors and sensorsphotoelectric devicesresearch semiconductorsoptoelectronic prototypingnarrow-bandgap electronicslayered material research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2279	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.2790	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	12.98	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00149	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000480	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-154.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	121.7	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5180	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.

TlIn5Se7 — Properties & Data | MatWorld

TlIn5Se7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental