RbNdTe4 — Properties & Data | MatWorld

RbNdTe4

ceramic

· JVASP-10725· RbNdTe4

RbNdTe₄ is a ternary ceramic compound composed of rubidium, neodymium, and tellurium, belonging to the family of rare-earth telluride ceramics. This material is primarily of research interest rather than established in high-volume engineering applications; it is investigated for potential use in thermoelectric devices and solid-state electronic applications where rare-earth tellurides show promise for energy conversion and semiconductor functionality. Engineers would consider this compound when exploring advanced ceramic materials for niche applications requiring specific electronic or thermal transport properties unavailable in conventional ceramics.

thermoelectric devicessolid-state electronics researchrare-earth ceramics developmentmaterials research and characterizationexperimental semiconductor applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	30.09	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	18.11	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.577	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	0.3250	eV	DFT · OptB88vdW
↳	0.9130	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.59	-	DFT · OptB88vdW
↳	8.603	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.03333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.03333	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00352	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00101	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-241.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	103.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.44	%	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)	0.00620	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.007	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.

RbNdTe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental