MgSe — Properties & Data | MatWorld

MgSe

Name: MgSe
Brand: MatWorld

ceramic

· MgSe

Magnesium selenide (MgSe) is a II-VI semiconductor ceramic compound combining a lightweight alkaline-earth metal with a chalcogen element. While primarily a research material rather than a commodity engineering ceramic, MgSe belongs to the wider family of binary semiconductors studied for optoelectronic and photovoltaic applications, offering potential advantages in wide bandgap device design where its optical and electrical properties may provide tailored performance.

infrared optics and detectorswide-bandgap semiconductor researchthin-film photovoltaic developmentoptical window materialssolid-state physics researchquantum dots and nanostructures

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	8,531.6	ksi	DFT
↳	6,976.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	5,992.2	ksi	DFT
↳	2,689	ksi	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.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1174	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	5.630	eV	Measured
↳	2.802	eV	DFT · OptB88vdW
↳	4.285	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	7.140	-	DFT · OptB88vdW
↳	7.240	-	DFT · PBE
↳	12.21 range 6.757–17.66median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.902	-	DFT · OptB88vdW
↳	3.652	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.2267	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.393	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.4083	C/m²	DFT · OptB88vdW
↳	0.1413	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000433	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00166	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-64.79	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	357.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	0.00340	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.356	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.

MgSe

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental