Hf5Te4

ceramic
· Hf5Te4

Hf5Te4 is a hafnium telluride ceramic compound belonging to the refractory metal chalcogenide family, which are materials combining early transition metals with chalcogens (sulfur, selenium, tellurium). This is primarily a research and development material rather than a commercialized engineering ceramic; hafnium tellurides are investigated for their potential in high-temperature applications, thermoelectric devices, and advanced electronic applications due to the thermal stability and electronic properties characteristic of hafnium-based compounds. Engineers and researchers consider Hf5Te4 when exploring alternatives to conventional ceramics for extreme-environment applications or when optimizing thermoelectric performance in specialized systems.

thermoelectric deviceshigh-temperature ceramicsresearch & developmentrefractory applicationselectronic materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
80.47
GPa
Poisson's Ratio(ν)
0.3000
-
Shear Modulus(G)
39.16
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
10.68
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
0.000
eV
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
4.560
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.01040
eV/atom
Formation Energy(ΔHf)
-0.6222
eV/atom
Verified Unverified Low confidence (<80%) Link to source

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.