HoGeIr — Properties & Data | MatWorld

HoGeIr

ceramic

· JVASP-23527· HoGeIr

HoGeIr is a ceramic compound combining holmium, germanium, and iridium—a rare intermetallic ceramic that exists primarily in research contexts rather than established commercial production. This material family is of interest for high-temperature applications and specialized functional ceramics where the combination of rare-earth (holmium) and refractory metal (iridium) elements may provide enhanced thermal stability or unique electrical/magnetic properties. Engineers would evaluate such materials for extreme environments or niche applications where conventional ceramics or superalloys cannot meet simultaneous demands for temperature resistance, density, and chemical inertness.

high-temperature research applicationsrefractory ceramics developmentfunctional ceramics with rare-earth elementsexperimental aerospace materialsspecialized electronic/photonic componentsmaterials research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	12.74	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000241	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000259	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-10.41	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-11.19	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)	-0.9593	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.

HoGeIr

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental