MgTe2 — Properties & Data | MatWorld

MgTe2

ceramic

· MgTe2

MgTe₂ is a magnesium telluride ceramic compound belonging to the family of II-VI semiconducting ceramics. This material remains primarily in the research and development phase rather than established industrial production, with investigation focused on its potential as a wide-bandgap semiconductor and thermoelectric material. MgTe₂ is of interest in advanced optoelectronics, thermal management systems, and high-temperature device applications where its ceramic stability and electronic properties could offer advantages over conventional semiconductors, though its brittleness and processing challenges limit current practical deployment.

wide-bandgap semiconductors (research)thermoelectric deviceshigh-temperature optoelectronicssolid-state thermal managementadvanced ceramics researchIR detector materials (exploratory)

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	37.75	GPa	DFT
↳	40.73	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	21.67	GPa	DFT
↳	23.96	GPa	DFT · OptB88vdW

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
Density(ρ)	5.228	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.100	eV	DFT · OptB88vdW
↳	1.728	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	14.77	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.04	-	DFT · OptB88vdW
↳	8.146	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.6000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5900	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000894	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00356	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-232.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	279.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	28.79	%	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)	-0.6362	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.

MgTe2

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Electrical Properties

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Regulatory Screening

Environmental