LuTlTe2 — Properties & Data | MatWorld

LuTlTe2

ceramic

· JVASP-36646· LuTlTe2

LuTlTe2 is a ternary ceramic compound composed of lutetium, thallium, and tellurium. This is a research-phase material rather than an established commercial ceramic; compounds in this family are typically investigated for their potential in optoelectronic and thermoelectric applications, particularly where the combination of rare earth (lutetium) and heavy chalcogen (tellurium) elements may enable useful electronic or photonic properties. Engineers would consider this material primarily in exploratory development projects seeking novel semiconducting or photonic ceramics, rather than in established high-volume manufacturing.

Research optoelectronicsThermoelectric devices (experimental)High-density ceramic compositesPhotonic materials developmentRare-earth ceramic research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	35.81	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	24.05	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.854	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	0.7120	eV	DFT · OptB88vdW
↳	1.099	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	23.82	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.48	-	DFT · OptB88vdW
↳	8.236	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.9100	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.2300	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	0.00449	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000478	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-274.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	75.25	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.21	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.038	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.

LuTlTe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental