SmOF

ceramic

· SmOF

SmOF (samarium oxide fluoride) is an inorganic ceramic compound combining rare-earth and halide constituents, belonging to the broader family of rare-earth oxyfluoride ceramics. This material system is primarily of research and developmental interest, explored for applications requiring thermal stability, optical transparency in specific wavelength ranges, and chemical resistance in harsh environments. SmOF-type ceramics are notably studied as potential host matrices for rare-earth dopants in photonic applications and as refractory or protective coating materials, where their mixed-anion composition offers advantages over simple oxides in tailoring mechanical and thermal properties for specialized engineering niches.

rare-earth photonic materialsoptical ceramic hostshigh-temperature coatingschemical barrier materialsrefractory compoundsthermal management systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	19,873.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	9,373.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2584	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.690	eV	DFT · OptB88vdW
↳	6.423	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	12.81	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.657	-	DFT · OptB88vdW
↳	2.994	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.000	C/m²	DFT · OptB88vdW
↳	0.5412	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00208	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00136	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-311.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	401.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	-4.056	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.

SmOF — Properties & Data | MatWorld

SmOF

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental