Sm2SiTeO4

ceramic

· JVASP-21121· Sm2SiTeO4

Sm2SiTeO4 is a rare-earth silicate-tellurate ceramic compound containing samarium, silicon, tellurium, and oxygen. This is a specialized research material rather than a widely commercialized engineering ceramic; it belongs to the family of rare-earth tellurate compounds being investigated for potential applications in optical, thermal, and nuclear materials due to the unique properties imparted by samarium and tellurium incorporation. The material's relevance lies in exploratory applications requiring high-temperature stability, radiation tolerance, or specific optical characteristics where conventional oxides are insufficient.

radiation-resistant ceramicsoptical materials researchhigh-temperature applicationsrare-earth compound developmentnuclear fuel matricesscintillator or luminescent studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2496	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.027	eV	DFT · OptB88vdW
↳	2.698	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.467	-	DFT · OptB88vdW
↳	7.278	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00120	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00281	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-236.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	257.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	8.900	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.067	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.

Sm2SiTeO4 — Properties & Data | MatWorld

Sm2SiTeO4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental