Pr3Si2S8I — Properties & Data | MatWorld

Pr3Si2S8I

ceramic

· JVASP-25004· Pr3Si2S8I

Pr3Si2S8I is a rare-earth ceramic compound combining praseodymium, silicon, sulfur, and iodine—a specialized composition that remains primarily in the research domain rather than established industrial production. This material belongs to the family of rare-earth chalcogenide ceramics, which are of interest for their potential optical, electronic, or thermal properties in advanced applications. While not yet widely deployed in mainstream engineering, materials of this composition family are being investigated for next-generation photonic devices, solid-state lighting, thermal management systems, and specialized electronic applications where rare-earth element functionality is leveraged.

research and developmentphotonic materialsrare-earth opticssolid-state devicesthermal management (experimental)electronic ceramics (emerging)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1518	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	2.611	eV	DFT · OptB88vdW
↳	3.270	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.921	-	DFT · OptB88vdW
↳	6.079	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000728	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000647	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-295.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	284.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.470	%	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)	-1.575	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.

Pr3Si2S8I

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental