BiTeBr — Properties & Data | MatWorld

BiTeBr

ceramic

· BiTeBr

BiTeBr is a ternary bismuth telluride bromide ceramic compound belonging to the family of layered chalcogenide materials. This is primarily a research material being investigated for thermoelectric and optoelectronic applications, where its layered crystal structure and tunable electronic properties offer potential advantages over conventional semiconductors. The material is notable within materials science for its combination of thermal and electrical characteristics relevant to energy conversion and solid-state device design.

thermoelectric devicesoptoelectronic semiconductorsresearch materialslayered heterostructuressolid-state energy conversionadvanced ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	23.26	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	105.2	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	13.57	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.478	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.131	eV	DFT · OptB88vdW
↳	1.899	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	33.37	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	12.04	-	DFT · OptB88vdW
↳	9.037	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3033	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8367	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.08291	C/m²	DFT · OptB88vdW
↳	0.2941	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000659	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00211	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-89.87	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	272.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	25.17	%	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)	-0.5038	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.

BiTeBr

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental