SmTe — Properties & Data | MatWorld

SmTe

Name: SmTe
Brand: MatWorld

semiconductor

· SmTe

SmTe is a rare-earth telluride semiconductor compound composed of samarium and tellurium, belonging to the family of binary chalcogenides. While primarily of research interest rather than widespread industrial production, SmTe and related rare-earth tellurides are investigated for thermoelectric applications, narrow-bandgap optoelectronics, and solid-state physics studies due to the unique electronic properties that rare-earth elements impart to tellurium matrices. Engineers and researchers consider such materials when seeking alternatives to conventional semiconductors in niche applications requiring specific band structures, thermal transport characteristics, or magnetic interactions unavailable in more common III-V or II-VI compounds.

thermoelectric devices and waste heat recoveryresearch optoelectronics and narrow-gap semiconductorssolid-state physics fundamental studiesspecialty infrared detectorsexperimental quantum materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	63.60	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	35.16	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.487	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.3200	eV	Measured
↳	0.000	eV	DFT · OptB88vdW
↳	0.7200	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	101.9	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000729	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000729	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-10.52	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-10.56	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	24.71	%	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)	-1.417	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

Export Control

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.

SmTe

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control