LiDyS2 — Properties & Data | MatWorld

LiDyS2

ceramic

· JVASP-1822· LiDyS2

LiDyS2 is a lithium dysprosium sulfide ceramic compound belonging to the family of rare-earth sulfide ceramics. This material is primarily of research and developmental interest rather than established in widespread industrial production, investigated for potential applications in high-temperature structural components, solid-state ionic conductors, and advanced ceramics where rare-earth dopants provide enhanced mechanical or thermal properties. Engineers would consider LiDyS2 in specialized applications requiring the unique combination of properties offered by dysprosium-containing sulfide systems, particularly in environments demanding both thermal stability and ionic or electronic functionality.

solid-state batterieshigh-temperature ceramicsrare-earth functional materialsthermal barrier coatingsionic conductorsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	53.69	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	33.21	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.811	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.956	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	23.91	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.566	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.5100	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.487	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00293	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00177	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-233.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	264.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.69	%	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)	-2.011	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.

LiDyS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental