HoVB4

metal

· JVASP-39260· HoVB4

HoVB4 is a refractory intermetallic compound combining holmium, vanadium, and boron, belonging to the metal boride family. This material is primarily of research interest for high-temperature structural applications where exceptional hardness and thermal stability are required. While not yet widely commercialized, holmium-based borides are investigated for potential use in extreme-environment aerospace and energy systems where conventional superalloys reach their limits.

high-temperature structural materials (research phase)refractory applicationsaerospace experimental componentsadvanced ceramics and composites (reinforcement)wear-resistant coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2596	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00301	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00280	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	6.437	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	6.540	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)	-0.7350	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

Export Control

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.

HoVB4 — Properties & Data | MatWorld

HoVB4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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