Dy2S3 — Properties & Data | MatWorld

Dy2S3

Name: Dy2S3
Brand: MatWorld

semiconductor

· Dy2S3

Dy2S3 is a rare-earth sulfide semiconductor compound composed of dysprosium and sulfur, belonging to the broader family of lanthanide chalcogenides. This material is primarily investigated in research contexts for its potential in optoelectronic and photonic applications, leveraging dysprosium's unique luminescent and magnetic properties. While not yet widely deployed in mainstream industrial products, Dy2S3 and related rare-earth sulfides are of growing interest for next-generation solid-state lighting, infrared detectors, and specialized electronic devices where rare-earth doping or rare-earth host materials offer performance advantages unavailable in conventional semiconductors.

optoelectronic researchinfrared detectorssolid-state lightingrare-earth photonic materialsemerging semiconductor applicationsluminescent device platforms

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.529	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)4 entries	2.910	eV	Measured
↳	3.000	eV	Measured
↳	0.6320	eV	DFT · OptB88vdW
↳	1.513	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.673	-	DFT · OptB88vdW
↳	6.728	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3900	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.9600	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000608	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000967	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-101.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	212.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.20	%	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)	-2.257	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

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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.

Dy2S3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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