SrPr2S4 — Properties & Data | MatWorld

SrPr2S4

Name: SrPr2S4
Brand: MatWorld

semiconductor

· SrPr2S4

SrPr₂S₄ is a rare-earth sulfide semiconductor compound combining strontium and praseodymium in a chalcogenide crystal structure. This material belongs to the family of rare-earth metal sulfides, which are primarily investigated in research contexts for optoelectronic and photonic applications where their tunable bandgap and luminescent properties offer potential advantages over more conventional semiconductors.

optoelectronic devices (research phase)photonic integrated circuitsrare-earth phosphors and emittersthin-film semiconductorsmaterials science researchspecialty optical coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.980	kg/m³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	2.123	eV	DFT · OptB88vdW
↳	2.818	eV	DFT · TBmBJ
↳	2.700	eV	Measured
Dielectric Constant (Relative Permittivity)(εr)	19.63	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.866	-	DFT · OptB88vdW
↳	6.920	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1641	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.288	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

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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.

SrPr2S4

Physical Properties

Electrical Properties

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