NdS — Properties & Data | MatWorld

NdS

Name: NdS
Brand: MatWorld

ceramic

· NdS

Neodymium sulfide (NdS) is an inorganic ceramic compound belonging to the rare-earth chalcogenide family, characterized by ionic bonding between a lanthanide metal and sulfur. While not widely commercialized as a bulk engineering material, NdS and related rare-earth sulfides are primarily explored in research contexts for optoelectronic, photonic, and semiconductor applications where rare-earth doping and tunable electronic properties are advantageous. Engineers would consider NdS-based materials in advanced device development rather than general structural applications, particularly where the unique optical and electronic characteristics of rare-earth compounds provide functional advantages over conventional ceramics.

rare-earth optoelectronics (research phase)photonic device coatingshigh-temperature semiconductor researchinfrared emitter systemsluminescent material developmentspecialized ceramics (non-structural)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	13,072.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	7,373.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2219	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	0.000	eV	DFT · OptB88vdW
↳	1.651	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	161.1	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000604	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000600	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-8.240	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-8.240	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.11	%	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-2.172	eV/atom	DFT · OptB88vdW
↳	-2.409	eV/atom	Measured

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

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.

NdS

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Regulatory Screening

Environmental