GdTe — Properties & Data | MatWorld

GdTe

Name: GdTe
Brand: MatWorld

semiconductor

· GdTe

Gadolinium telluride (GdTe) is a rare-earth compound semiconductor belonging to the lanthanide chalcogenide family, formed from gadolinium and tellurium. While primarily a research material rather than a commercial product, GdTe and related rare-earth tellurides are investigated for potential applications in infrared optics, thermoelectric devices, and specialized semiconductor research due to the unique electronic and optical properties imparted by gadolinium's f-electron structure. Engineers encounter GdTe in exploratory work on narrow-bandgap semiconductors and materials for cryogenic or extreme-environment sensing where rare-earth dopants or compounds offer advantages over conventional III-V or II-VI semiconductors.

infrared detectors and opticsthermoelectric materials researchrare-earth semiconductor compoundscryogenic and low-temperature sensingexperimental photonic deviceshigh-pressure physics research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	8,668.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	5,827.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2848	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	1.300	eV	Measured
Magnetic Moment(μB)	7.030	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000768	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000685	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	13.96	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	13.14	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	-2.006	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

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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.

GdTe

Mechanical Properties

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