HoNbOs2

metal

· JVASP-39999· HoNbOs2

HoNbOs2 is an experimental intermetallic compound containing holmium, niobium, and oxygen, representing a rare-earth refractory metal oxide system. This research-phase material belongs to the family of high-density mixed-metal oxides being investigated for extreme-environment applications where conventional superalloys reach their limits. While not yet commercially established, compounds in this chemical family are studied for their potential in high-temperature structural applications, advanced catalysis, and materials requiring exceptional density combined with thermal stability.

high-temperature materials researchrefractory applicationscatalytic systemsaerospace propulsion studiesmaterials screening for extreme environments

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5409	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	0.00198	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00176	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-28.12	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-27.03	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)	0.09940	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2605	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.

HoNbOs2 — Properties & Data | MatWorld

HoNbOs2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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