HfGeTe4

ceramic

· JVASP-12134· HfGeTe4

HfGeTe4 is a ternary ceramic compound combining hafnium, germanium, and tellurium elements, representing an emerging material in the chalcogenide family. This material is primarily of research interest for thermoelectric and semiconductor applications, where the combination of elements offers potential for tunable electronic and thermal properties. While not yet established in high-volume industrial production, hafnium-based chalcogenides are being investigated for solid-state energy conversion, thermal management systems, and next-generation optoelectronic devices due to their ability to modulate phonon transport and electronic structure.

thermoelectric devicesthermal energy conversionsemiconductor researchinfrared opticssolid-state electronicsexploratory materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2520	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.3820	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-199.1	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000900	eV/atom	—
Formation Energy(ΔHf)	-0.4597	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.

HfGeTe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental