YHf — Properties & Data | MatWorld

YHf

ceramic

· JVASP-131390· YHf

YHf is a ceramic compound belonging to the rare-earth hafnium oxide family, likely yttrium hafnate (Y₂Hf₂O₇) or a related pyrochlore phase. This material is primarily of research and development interest rather than established production use, investigated for its potential as a thermal barrier coating and high-temperature structural ceramic due to hafnium's exceptional refractory properties and yttrium's stabilizing effects. Engineers considering YHf should evaluate it within the context of advanced thermal management and extreme-environment applications where conventional oxides reach their limits, though material availability and processing maturity remain limiting factors compared to established alternatives like yttria-stabilized zirconia.

thermal barrier coatingshypersonic/aerospace structureshigh-temperature ceramics researchrefractory applicationsadvanced coating development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3083	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1383	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.1383	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.

YHf

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental