TaTeBr9 — Properties & Data | MatWorld

TaTeBr9

ceramic

· JVASP-32309· TaTeBr9

TaTeBr9 is an experimental tantalum tellurium bromide ceramic compound that belongs to the family of mixed-halide perovskites and complex metal halides under investigation for advanced functional applications. While not yet established in mainstream industrial production, materials in this chemical family are of significant research interest for optoelectronic devices, solid-state radiation detection, and next-generation semiconductor applications where the combination of heavy metals (Ta, Te) and halide chemistry offers tunable electronic and optical properties. Engineers considering this material should recognize it as an early-stage research compound rather than a proven production material, suitable for exploratory projects in specialized fields such as X-ray/gamma-ray detection, photovoltaic research, or high-energy physics instrumentation where novel material properties may justify development risk.

radiation detection researchhalide perovskite optoelectronicshigh-energy physics instrumentationsolid-state scintillators (experimental)semiconductor device researchmaterials science development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11.82	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	6.770	GPa	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	4.701	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.949	eV	DFT · OptB88vdW
↳	2.441	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.429	-	DFT · OptB88vdW
↳	5.525	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000465	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000198	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-313.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	403.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	13.74	%	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)	-0.6729	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.

TaTeBr9

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental