HfCrO3 — Properties & Data | MatWorld

HfCrO3

ceramic

· HfCrO3

HfCrO3 is a hafnium chromium oxide ceramic compound combining a refractory metal (hafnium) with chromium in an oxide structure, creating a material with potential for extreme-temperature and high-oxidation environments. This is primarily a research and development material investigated for applications requiring exceptional thermal stability and chemical resistance, particularly in aerospace and industrial high-temperature contexts where conventional oxides may degrade. The hafnium-chromium oxide family offers potential advantages over single-phase oxides in thermal shock resistance and oxidation protection at very high temperatures, though engineering adoption remains limited compared to established refractory ceramics.

high-temperature coatingsrefractory materials researchaerospace thermal protectionoxidation barriersadvanced ceramics developmentextreme environment applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.815	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.1460	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)	91.77	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.00333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.00333	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)2 entries	0.5290	μB	DFT
↳	2.554	μB	DFT
Thermoelectric Power Factor(PF)2 entries	0.000420	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000157	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-120.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	15.38	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.2313	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)3 entries	-2.046	eV/atom	DFT
↳	0.9400	eV/atom	DFT
↳	-2.757	eV/atom	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.

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.

HfCrO3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental