TmCuSe2 — Properties & Data | MatWorld

TmCuSe2

metal

· TmCuSe2

TmCuSe2 is an intermetallic compound combining thulium, copper, and selenium, belonging to the family of ternary chalcogenides. This is a research-phase material rather than an established industrial compound; such materials are investigated primarily for their potential thermoelectric, magnetic, or optoelectronic properties that emerge from the specific arrangement of rare-earth and transition-metal elements. The compound's notable stiffness and moderate density suggest potential applications in specialized thermal management or electronic device contexts where unconventional material properties are required.

Thermoelectric cooling/power generation (research)Semiconductors and electronic devices (experimental)High-temperature structural applications (exploratory)Magnetic material systems (research phase)Thermal interface materials (emerging)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	67.90	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	29.26	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.127	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	1.274	eV	DFT · OptB88vdW
↳	1.612	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	19.64	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.926	-	DFT · OptB88vdW
↳	7.850	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.780	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8167	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.5608	C/m²	DFT · OptB88vdW
↳	0.3691	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00419	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00198	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-313.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	249.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.53	%	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)	0.01560	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.242	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

Export Control

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.

TmCuSe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control