Y2MgSe4 — Properties & Data | MatWorld

Y2MgSe4

ceramic

· Y2MgSe4

Y2MgSe4 is a rare-earth magnesium selenide ceramic compound belonging to the family of mixed-anion semiconductors and ionic solids. This material is primarily of research and developmental interest rather than a mature commercial ceramic, being studied for its potential in optoelectronic, photonic, and solid-state device applications where rare-earth dopants and selenide host matrices offer unique luminescent and electronic properties. Engineers and researchers investigating this compound are typically exploring next-generation phosphors, scintillators, or wide-bandgap semiconductor platforms where the combination of yttrium, magnesium, and selenium provides controllable optical and thermal characteristics.

rare-earth phosphors and luminescent materialsscintillator developmentsolid-state optoelectronics researchwide-bandgap semiconductorsthermal management ceramicsexperimental photonic devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,502	ksi	DFT
Shear Modulus(G)	2,835.5	ksi	DFT

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1582	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	1.399	eV	DFT · OptB88vdW
↳	2.135	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.689	-	DFT · OptB88vdW
↳	5.099	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.110	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000645	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00211	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-107.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	299.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.04	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.808	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.

Y2MgSe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental