Nd3Si2S8I — Properties & Data | MatWorld

Nd3Si2S8I

ceramic

· JVASP-57108· Nd3Si2S8I

Nd3Si2S8I is a rare-earth sulfide-iodide ceramic compound containing neodymium, silicon, sulfur, and iodine. This is a research-phase material within the family of rare-earth chalcogenide ceramics, with potential applications in solid-state ionics, optical materials, or specialized electronic ceramics where mixed-anion frameworks offer unique structural or functional properties. The compound's layered sulfide-iodide structure suggests interest in ionic conductivity or photonic applications, though industrial deployment remains limited and material behavior is not yet well-characterized in standard engineering practice.

rare-earth ceramics researchsolid-state ionicsoptical/photonic materialsexperimental compoundsmixed-anion frameworkshigh-temperature ceramics (candidate)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.318	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)2 entries	2.584	eV	DFT · OptB88vdW
↳	3.256	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.993	-	DFT · OptB88vdW
↳	6.110	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000742	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000635	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-292.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	288	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.540	%	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)	-1.565	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.

Nd3Si2S8I

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental