Ta3SBr7

ceramic

· JVASP-5824· Ta3SBr7

Ta3SBr7 is a layered ceramic compound composed of tantalum, sulfur, and bromine—a member of the transition metal chalcohalide family that combines properties of both ionic and covalent ceramics. This material is primarily investigated in materials research for two-dimensional (2D) applications due to its layered crystal structure, which can be exfoliated into thin sheets suitable for nanoelectronics, sensing devices, and heterostructure engineering. While not yet established in mainstream industrial production, Ta3SBr7 represents a promising platform for next-generation functional ceramics where chemical tunability and layer-dependent properties offer advantages over conventional monolithic ceramics.

2D nanomaterials and nanoelectronicsLayered heterostructuresElectrochemical sensors and batteriesTheoretical/research materialsExfoliable ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,744.9	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	87.80	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	3,508.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2440	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	0.7900	eV	DFT · OptB88vdW
↳	1.167	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	9.657	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.565	-	DFT · OptB88vdW
↳	7.058	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1717	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000674	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000291	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-347.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	385.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.80	%	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)	-0.9797	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.

Ta3SBr7 — Properties & Data | MatWorld

Ta3SBr7

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental