SrDy2S4 — Properties & Data | MatWorld

SrDy2S4

ceramic

· JVASP-37580· SrDy2S4

SrDy2S4 is a rare-earth sulfide ceramic compound belonging to the family of lanthanide chalcogenides, composed of strontium and dysprosium sulfides. This material is primarily of research and specialized industrial interest rather than commodity use, with potential applications in photonic devices, thermal management systems, and advanced ceramics where rare-earth ion luminescence or thermal properties are desired. Its notable characteristics within the rare-earth sulfide family include potential for tunable optical properties and high thermal stability, making it relevant for engineers developing next-generation functional ceramics or rare-earth-based technological components.

rare-earth photonicsthermal management ceramicsluminescent devicesresearch materialshigh-temperature ceramicsoptical phosphors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1900	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.786	eV	DFT · OptB88vdW
↳	2.609	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.315	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000779	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000956	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-116.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	226.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	10.58	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.315	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.

SrDy2S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental