TlBiP2S7 — Properties & Data | MatWorld

TlBiP2S7

ceramic

· JVASP-25779· TlBiP2S7

TlBiP2S7 is a mixed-metal sulfide ceramic compound containing thallium, bismuth, and phosphorus, belonging to the family of chalcogenide ceramics with layered or complex crystal structures. This material is primarily of research interest rather than established industrial production, with potential applications in solid-state electronics, photonics, and ion-conducting devices where mixed-valence metal sulfides show promise. Engineers would consider this compound for exploratory work in thermoelectric devices, solid electrolytes, or nonlinear optical systems where the specific combination of heavy metal elements and sulfide chemistry can provide unique electronic and optical properties not readily available in conventional ceramics.

experimental semiconductorssolid electrolyte researchthermoelectric materials developmentnonlinear opticschalcogenide photonicslaboratory-scale compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,881.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	1,791.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1550	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.206	eV	DFT · OptB88vdW
↳	2.783	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.144	-	DFT · OptB88vdW
↳	6.286	-	DFT · TBmBJ
Thermoelectric Power Factor(PF)2 entries	0.000275	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000348	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-328	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	247.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	7.430	%	DFT · TBmBJ

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)	-0.3750	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.

TlBiP2S7

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental