SmIO — Properties & Data | MatWorld

SmIO

ceramic

· JVASP-30185· SmIO

SmIO (samarium iodide oxide) is an inorganic ceramic compound combining rare-earth and halide chemistry. This material remains primarily in research and specialized applications rather than mainstream engineering use, with potential interest in optics, catalysis, and advanced ceramic systems where rare-earth ionic properties are leveraged.

rare-earth ceramics researchoptical materials developmentcatalytic substrateshigh-temperature applicationssolid-state chemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	43.11	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	27.97	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.516	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	3.661	eV	DFT · OptB88vdW
↳	4.961	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	14.19	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.090	-	DFT · OptB88vdW
↳	4.349	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.240	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.100	me	DFT · OptB88vdW · 27°C
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00234	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00311	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-390	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	342.7	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)	-2.869	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.

SmIO

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental