TlBS2

ceramic

· JVASP-62683· TlBS2

TlBS2 is a thallium-based ceramic compound belonging to the thioborate family, notable for its dense crystalline structure and moderate elastic properties. While not widely established in mainstream industrial applications, this material is of interest in research contexts for potential use in specialized optical, electronic, or thermal management applications where thallium-containing ceramics offer unique physical characteristics. Engineers considering TlBS2 should note that it remains largely in the research and development phase, with applications contingent on its specific optical transparency, thermal stability, and chemical resistance properties relative to conventional ceramic alternatives.

research ceramicsoptical applications (exploratory)thermal management (advanced)electronic devices (specialized)high-density ceramicsthermoelectric materials (potential)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	8,040.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4200	-	DFT · OptB88vdW
Shear Modulus(G)	3,311.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1990	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	1.698	eV	DFT · OptB88vdW
↳	2.639	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.112	-	DFT · OptB88vdW
↳	6.347	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.110	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.807	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00127	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000949	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-217.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	364.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	9.960	%	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)	-0.5313	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.

TlBS2 — Properties & Data | MatWorld

TlBS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental