Ho3CuGeS7

metal

· JVASP-26689· Ho3CuGeS7

Ho3CuGeS7 is an experimental ternary sulfide compound containing holmium, copper, and germanium. This material belongs to the family of rare-earth transition metal chalcogenides, which are primarily of scientific and research interest rather than established industrial use. The compound is notable as a potential candidate for studying magnetic properties, thermoelectric behavior, and solid-state chemistry in rare-earth systems, though it remains in the research phase without widespread commercial applications.

research materialsrare-earth compoundsthermoelectric studiesmagnetic materials researchsolid-state physics characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2121	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.681	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.553	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.6633	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.320	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00137	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00100	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-186.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	257.8	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.567	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

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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.

Ho3CuGeS7 — Properties & Data | MatWorld

Ho3CuGeS7

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