SmBr3 — Properties & Data | MatWorld

SmBr3

ceramic

· JVASP-3918· SmBr3

Samarium tribromide (SmBr3) is an inorganic ceramic compound composed of samarium and bromine, belonging to the rare-earth halide family of materials. While primarily used in research and specialized applications, SmBr3 serves as a precursor for samarium metal production and finds limited use in optical and electronic applications where rare-earth halides are valued for their unique electronic properties. This compound represents an emerging materials space rather than a mature industrial ceramic, with potential relevance in next-generation optoelectronics, catalysis, and advanced ceramic synthesis where lanthanide halides offer distinctive reactivity and structural characteristics unavailable from conventional oxides or nitrides.

rare-earth precursor synthesisresearch optoelectronicscatalytic applicationshalide ceramics developmentlanthanide chemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	29.93	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	87.72	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	16.20	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.507	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	2.691	eV	DFT · OptB88vdW
↳	4.001	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	10.83	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.898	-	DFT · OptB88vdW
↳	4.247	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.253	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.467	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00115	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00143	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-214.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	257.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.01000	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.969	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.

SmBr3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental