Ho2V2O7 — Properties & Data | MatWorld

Ho2V2O7

ceramic

· JVASP-46356· Ho2V2O7

Ho₂V₂O₇ is a rare-earth vanadate ceramic compound combining holmium and vanadium oxides, belonging to the family of pyrovanadate ceramics with potential functional properties in high-temperature and electronic applications. This material is primarily of research and experimental interest rather than established commercial use, investigated for potential applications in thermal barrier coatings, solid-state electrochemistry, and advanced ceramic systems where rare-earth vanadates offer tunable thermal and electrical properties. Engineers would consider this compound as part of exploratory material development for next-generation ceramic composites, though industrial adoption remains limited pending further property validation and processing optimization.

thermal barrier coatingshigh-temperature ceramicssolid oxide electrolytesrare-earth ceramic researchexperimental functional ceramicsadvanced composites development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.671	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.2970	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	16.13	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.02000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.02000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	2.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000689	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000269	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-238.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	184.6	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)	0.06980	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.152	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.

Ho2V2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental