MgBeSe2 — Properties & Data | MatWorld

MgBeSe2

ceramic

· JVASP-70868· MgBeSe2

MgBeSe2 is a ternary ceramic compound combining magnesium, beryllium, and selenium in a crystalline structure. This material belongs to the family of II-IV-VI semiconductors and mixed-metal chalcogenides, which are primarily of research interest rather than established commercial production. The compound is investigated for potential optoelectronic and photovoltaic applications where its electronic band structure and thermal properties could offer advantages in specialized semiconductor devices, though it remains largely in the exploratory phase with limited industrial deployment.

experimental semiconductorsoptoelectronic researchphotovoltaic developmentinfrared detector materialssolid-state physics researchwide-bandgap electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	63.20	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	35.02	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.114	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	0.5660	eV	DFT · OptB88vdW
↳	1.604	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	25.84	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.533	-	DFT · OptB88vdW
↳	5.603	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8433	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.4169	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000885	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00525	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-131.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	313.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.65	%	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)	0.3450	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7999	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.

MgBeSe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental