HfGeS — Properties & Data | MatWorld

HfGeS

ceramic

· HfGeS

HfGeS is an experimental ternary ceramic compound combining hafnium, germanium, and sulfur, representing an understudied material in the chalcogenide ceramic family. While industrial applications remain limited, this compound is of interest in materials research for potential use in high-temperature structural applications, semiconductor devices, and thermoelectric systems where the combination of a refractory metal (hafnium) with a chalcogenide matrix offers theoretical advantages in thermal stability and electronic properties. Engineers would consider this material primarily in R&D contexts rather than established manufacturing, where its behavior under extreme conditions or in specialized device architectures warrants investigation.

experimental ceramics researchhigh-temperature structural applicationsthermoelectric materials developmentsemiconductor device layersrefractory ceramic compositesmaterials characterization studies

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	127.4	GPa	DFT
↳	127.1	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	81.90	GPa	DFT
↳	81.58	GPa	DFT · OptB88vdW

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
Density(ρ)	8.930	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00206	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00379	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	5.443	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	14.91	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.132	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.

HfGeS

Mechanical Properties

Physical Properties

Electrical Properties

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Regulatory Screening

Environmental