Yb2SmS4 — Properties & Data | MatWorld

Yb2SmS4

Name: Yb2SmS4
Brand: MatWorld

ceramic

· Yb2SmS4

Yb2SmS4 is a rare-earth sulfide ceramic compound containing ytterbium and samarium, belonging to the family of lanthanide chalcogenide materials studied for specialized optical and thermal applications. This material is primarily investigated in research contexts for potential use in infrared optics, thermal imaging systems, and high-temperature applications where rare-earth sulfides offer unique optical transparency windows and thermal stability. Compared to conventional ceramics, rare-earth sulfides like this composition are valued for their infrared transmission properties and compatibility with specialized optical device architectures, though they remain largely experimental outside niche research and defense applications.

infrared opticsthermal imaging componentsresearch compoundsrare-earth ceramicshigh-temperature optical windowsspecialty photonics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.038	kg/m³	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	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	Measured
Dielectric Constant (Relative Permittivity)(εr)	227.3	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	1.907	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000422	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000336	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	24.89	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	22.12	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.1370	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.090	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.

Yb2SmS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental