KYTe2

ceramic

· KYTe2

KYTe2 is a ceramic compound belonging to the rare-earth or transition-metal telluride family, likely investigated for its electronic or thermal properties in advanced materials research. While not yet a mainstream engineering material, telluride ceramics in this composition class are of interest for thermoelectric energy conversion, semiconductor applications, or high-temperature structural use where conventional ceramics reach their limits. Engineers would consider this material primarily in experimental or next-generation device contexts where its specific thermal, electrical, or mechanical characteristics offer advantages over established alternatives.

thermoelectric deviceshigh-temperature ceramicssemiconductor researchenergy conversionspecialized coatingsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1634	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.325	eV	DFT · OptB88vdW
↳	1.751	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	15.36	-	DFT · OptB88vdW
↳	13.64	-	DFT · PBE
↳	10.39 range 7.102–13.68median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.339	-	DFT · OptB88vdW
↳	6.528	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.6133	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.033	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	0.00302	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00194	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-252.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	202.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	28.34	%	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)	-1.502	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.

KYTe2 — Properties & Data | MatWorld

KYTe2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental