Y2MgS4 — Properties & Data | MatWorld

Y2MgS4

ceramic

· JVASP-35954· Y2MgS4

Y2MgS4 is a rare-earth magnesium sulfide ceramic compound combining yttrium and magnesium in a sulfide matrix, representing a specialized composition within the sulfide ceramic family. This material is primarily of research interest for high-temperature structural applications and specialized optical or electronic device contexts where sulfide ceramics offer advantages over oxide alternatives. Y2MgS4 would appeal to engineers working on advanced ceramics for extreme environments where lightweight, thermally stable compounds with moderate stiffness are desirable, though its use remains largely experimental and application-specific rather than commodity-scale.

research-phase ceramicshigh-temperature structural componentsrare-earth compound applicationsspecialty optical/electronic deviceslightweight refractory systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	65.73	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	25.94	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.181	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.482	eV	DFT · OptB88vdW
↳	2.131	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	12.81	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.162	-	DFT · OptB88vdW
↳	5.830	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.12	%	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)	0.02300	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.082	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.

Y2MgS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental