TmTlTe2

ceramic

· JVASP-36205· TmTlTe2

TmTlTe₂ is a ternary ceramic compound composed of thulium, thallium, and tellurium, belonging to the family of chalcogenide ceramics. This material is primarily of research interest rather than established in high-volume industrial production, with potential applications in thermoelectric devices, semiconductor research, and solid-state physics studies where the combination of rare earth (Tm) and post-transition metal (Tl) elements with a chalcogen (Te) may offer unique electronic or thermal properties. Engineers would consider this compound when exploring advanced functional ceramics for niche applications requiring specialized electronic, optical, or thermal characteristics, though availability and processing routes remain limited compared to conventional ceramic families.

thermoelectric researchsemiconductor materialssolid-state physics studieschalcogenide ceramicsrare-earth compound researchadvanced functional ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,130	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	3,460.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2782	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.7110	eV	DFT · OptB88vdW
↳	1.179	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	23.57	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.49	-	DFT · OptB88vdW
↳	8.036	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.620	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.2167	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	0.00445	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000470	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-280.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	74.75	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.77	%	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)	-1.059	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.

TmTlTe2 — Properties & Data | MatWorld

TmTlTe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental