UBr4 — Properties & Data | MatWorld

UBr4

Name: UBr4
Brand: MatWorld

ceramic

· UBr4

UBr4 (uranium tetrabromide) is an ionic ceramic compound belonging to the halide family, characterized by uranium in the +4 oxidation state bonded to bromine anions. This material is primarily of research and specialized industrial interest rather than a mainstream engineering material, with applications concentrated in nuclear fuel cycle chemistry, uranium processing, and advanced ceramics research where its chemical and thermal properties are leveraged.

nuclear fuel processinguranium purificationhalide ceramics researchhigh-temperature chemistryspecialized laboratory applicationsmaterials science investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	19.46	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	70.27	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4200	-	DFT · OptB88vdW
Shear Modulus(G)	8.830	GPa	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	5.438	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.1760	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	26.04	-	DFT · OptB88vdW
Magnetic Moment(μB)	4.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000336	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000452	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-76.48	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-46.61	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.351	eV/atom	DFT · OptB88vdW
↳	-1.663	eV/atom	Measured

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.

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.

UBr4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental