KEuS2 — Properties & Data | MatWorld

KEuS2

Name: KEuS2
Brand: MatWorld

ceramic

· KEuS2

KEuS2 is a ceramic compound in the rare-earth chalcogenide family, combining potassium, europium, and sulfur. This material is primarily of research interest for solid-state physics and materials science studies, particularly in investigations of electronic structure, optical properties, and potential semiconductor or photonic applications in laboratory settings. Europium chalcogenides are explored for their unique magnetic and luminescent characteristics, making them candidates for specialized applications where conventional ceramics or semiconductors are insufficient.

solid-state physics researchrare-earth compound studiesoptical material developmentphotonic device researchluminescent material explorationlaboratory characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	46.77	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	31.20	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.004	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	2.339	eV	DFT · OptB88vdW
↳	3.277	eV	DFT · TBmBJ
↳	0.000	eV	Measured
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.573	-	DFT · OptB88vdW
↳	4.453	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.410	%	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)	-2.053	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.

KEuS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental