Nd2TeS2 — Properties & Data | MatWorld

Nd2TeS2

ceramic

· JVASP-3138· Nd2TeS2

Nd2TeS2 is a rare-earth telluride-sulfide ceramic compound containing neodymium, tellurium, and sulfur. This is a research-phase material studied primarily for its electronic and thermal properties rather than a conventional structural ceramic. While not yet established in mainstream industrial production, materials in this family are of interest for thermoelectric energy conversion, optoelectronic devices, and solid-state physics research where rare-earth compounds offer tunable electronic band structures and potential phonon-engineering benefits.

thermoelectric devicesoptoelectronics researchsolid-state physicsheat-to-electricity conversionmaterials research prototypingrare-earth compound development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	60.78	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	25.23	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.501	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.589	eV	DFT · OptB88vdW
↳	2.217	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	16.94	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.297	-	DFT · OptB88vdW
↳	7.096	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4133	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5767	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00118	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000843	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-162	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	173.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	18.35	%	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)	0.00780	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.996	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.

Nd2TeS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental