HfTeSe4

ceramic

· JVASP-30498· HfTeSe4

HfTeSe4 is a mixed-halide chalcogenide ceramic compound combining hafnium with tellurium and selenium, representing an emerging class of layered materials studied for electronic and photonic applications. This material belongs to the family of transition metal chalcogenides, which are primarily investigated in research settings for their potential in semiconductor devices, optoelectronics, and solid-state physics rather than established industrial production. Engineers evaluating HfTeSe4 would consider it for next-generation applications where layered crystal structure, tunable band-gap properties, or anisotropic transport characteristics offer advantages over conventional semiconductors or oxides.

research semiconductors2D materials applicationsoptoelectronic devicessolid-state physicsphotovoltaic developmentthermoelectric materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,234.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	3,441.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2290	lb/in³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.7760	eV	DFT · OptB88vdW
↳	1.122	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	79.46	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	18.78	-	DFT · OptB88vdW
↳	14.27	-	DFT · TBmBJ
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.75	%	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)	0.03390	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6712	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.

HfTeSe4 — Properties & Data | MatWorld

HfTeSe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental