YbTe — Properties & Data | MatWorld

YbTe

Name: YbTe
Brand: MatWorld

semiconductor

· YbTe

YbTe is a rare-earth telluride semiconductor compound belonging to the family of lanthanide chalcogenides, with a rock-salt crystal structure typical of binary rare-earth pnictides and chalcogenides. While primarily a research material rather than a widely commercialized semiconductor, YbTe is studied for its potential thermoelectric properties and narrow-gap semiconductor characteristics, making it relevant to emerging applications in solid-state thermal management and mid-infrared optoelectronics where rare-earth tellurides can offer favorable band structures and carrier properties compared to conventional semiconductors.

Thermoelectric devicesMid-infrared detectorsResearch semiconductorsRare-earth compoundsSolid-state thermal conversionNext-generation photonics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	6,342.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	4,580.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2879	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)3 entries	1.800	eV	Measured
↳	1.486	eV	DFT · OptB88vdW
↳	2.545	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	12.39	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.258	-	DFT · OptB88vdW
↳	4.921	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5400	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	0.00255	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00196	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-170.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	200.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	11.79	%	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)	-1.754	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

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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.

YbTe

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