CaDy2S4 — Properties & Data | MatWorld

CaDy2S4

ceramic

· JVASP-13309· CaDy2S4

CaDy2S4 is a rare-earth sulfide ceramic compound containing calcium and dysprosium, belonging to the thiospinel or related sulfide ceramic family. This material is primarily of research and developmental interest rather than established commercial production, with potential applications in high-temperature structural ceramics and specialized optical or thermal management systems where rare-earth dopants offer unique properties. Engineers would consider this compound in advanced applications requiring thermal stability, specialized optical characteristics, or extreme environment tolerance where conventional ceramics prove insufficient.

High-temperature ceramic compositesRare-earth optical materialsThermal management systemsResearch/experimental applicationsRefractory component development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	75.91	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	43.15	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.627	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.201	eV	DFT · OptB88vdW
↳	2.822	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	21.41	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.027	-	DFT · OptB88vdW
↳	6.740	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1663	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	6.840	%	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)	0.02050	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.272	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.

CaDy2S4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental