SmGaO3

ceramic

· SmGaO3

SmGaO3 is a rare-earth gallate ceramic compound combining samarium oxide with gallium oxide in a perovskite-related structure. This material is primarily of research and advanced applications interest, investigated for its potential in high-temperature electronics, photonic devices, and as a substrate or functional layer in solid-state systems where rare-earth doping and gallium-based semiconductors intersect. Its combination of ionic and covalent bonding provides thermal stability and electrical properties relevant to emerging technologies, though it remains less established in mainstream industrial production compared to conventional ceramic or semiconductor alternatives.

High-temperature electronicsOptoelectronic substratesSolid-state device materialsThermal barrier coatings (research)Photonic integrated circuitsRare-earth-doped ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	28,466.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	16,096.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2818	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	2.899	eV	DFT · OptB88vdW
↳	4.096	eV	DFT · TBmBJ
↳	4.124	eV	DFT · PBE
Dielectric Constant (Relative Permittivity)(εr)	6.195	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.045	-	DFT · OptB88vdW
↳	4.028	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5400	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.850	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)2 entries	0.000	μB	DFT
↳	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00153	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00297	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-169	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	432.1	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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.1423	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-2.921	eV/atom	DFT
↳	-2.729	eV/atom	DFT · OptB88vdW

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.

SmGaO3 — Properties & Data | MatWorld

SmGaO3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental