UAs — Properties & Data | MatWorld

UAs

ceramic

· JVASP-20394· UAs

UAs is a uranium-bearing ceramic compound, likely referring to a uranium arsenide or similar uranium chalcogenide/pnictide phase. This material family represents advanced ceramic compounds studied primarily in nuclear materials science and solid-state physics research rather than established commercial applications. Uranium ceramics are investigated for their potential in nuclear fuel development, radiation shielding, and high-temperature structural applications, though most remain experimental due to regulatory constraints, radiotoxicity concerns, and the specialized expertise required for safe handling and processing.

nuclear fuel researchradiation shielding (experimental)high-temperature ceramicssolid-state physics researchnuclear materials scienceadvanced refractory compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	100.7	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	59.72	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	10.76	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.00100	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	140.2	-	DFT · TBmBJ
Magnetic Moment(μB)	2.423	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000282	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000271	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-17.55	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-17.24	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	DFT · TBmBJ

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)	-0.7328	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.

UAs

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental