Sm2CdS4 — Properties & Data | MatWorld

Sm2CdS4

ceramic

· JVASP-13292· Sm2CdS4

Sm2CdS4 is a ternary ceramic compound composed of samarium, cadmium, and sulfur, belonging to the chalcogenide ceramic family. This material is primarily investigated in research contexts for optoelectronic and photonic applications due to its semiconducting properties and potential for light emission or detection in specialized wavelength ranges. While not yet widely deployed in mainstream commercial products, Sm2CdS4 represents the broader class of rare-earth chalcogenides that show promise for next-generation solid-state lighting, infrared sensors, and quantum dot applications where conventional semiconductors are insufficient.

research semiconductorsinfrared opticsrare-earth photonicsquantum dotsspecialty ceramicsluminescent materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	8,320.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1000	-	DFT · OptB88vdW
Shear Modulus(G)	-496	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2117	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.764	eV	DFT · OptB88vdW
↳	2.812	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	77.99	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.074	-	DFT · OptB88vdW
↳	7.370	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4967	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.557	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.06886	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00145	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00195	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-228.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	317.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	6.930	%	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)	-1.723	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.

Sm2CdS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental