HfGe7

ceramic

· JVASP-127407· HfGe7

HfGe7 is an intermetallic ceramic compound combining hafnium and germanium in a 1:7 ratio, belonging to the family of refractory metal germanides. This is a research-grade material with limited commercial deployment; it is studied primarily for high-temperature structural applications and as a candidate material in advanced ceramics research where extreme thermal stability and chemical resistance are critical design requirements. The hafnium-germanium system is explored for potential use in aerospace, nuclear, and next-generation thermal barrier contexts where conventional ceramics reach operational limits.

High-temperature structural ceramicsRefractory applicationsAerospace research materialsThermal barrier coatings (research phase)Nuclear environment materialsIntermetallic compound development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.598	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1330	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3596	eV/atom	—
Formation Energy(ΔHf)	0.1815	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.

HfGe7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental