KSmGeSe4 — Properties & Data | MatWorld

KSmGeSe4

ceramic

· JVASP-10794· KSmGeSe4

KSmGeSe₄ is a quaternary chalcogenide ceramic compound belonging to the family of rare-earth germanium selenides, which are primarily of research and materials science interest rather than established commercial products. These materials are investigated for their potential in infrared optics, solid-state lighting, and specialized photonic applications due to their wide transparency windows in the infrared spectrum and tunable electronic properties. While not yet widely deployed in production engineering, chalcogenide ceramics like this composition represent an emerging materials platform for next-generation optical devices and sensors operating in wavelength regions where conventional silicate glasses are opaque.

infrared optics and windowsphotonic device researchsolid-state lighting developmentthermal imaging componentsexperimental semiconductor applicationsmaterials research and characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.725	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.518	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	7.158	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00155	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00145	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-239.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	289.9	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.172	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.

KSmGeSe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental