MgCu2SiS4 — Properties & Data | MatWorld

MgCu2SiS4

Name: MgCu2SiS4
Brand: MatWorld

semiconductor

· MgCu2SiS4

MgCu2SiS4 is a quaternary semiconductor compound combining magnesium, copper, silicon, and sulfur—a member of the sulfide semiconductor family with potential for photovoltaic and optoelectronic applications. This material remains largely in the research phase, explored primarily for thin-film solar cells and light-emitting devices due to its tunable bandgap and earth-abundant constituent elements. Engineers investigating cost-effective alternatives to conventional II-VI or III-V semiconductors may consider this compound family, particularly where non-toxicity and material availability are design constraints.

thin-film photovoltaicsexperimental solar cellsoptoelectronic devicessemiconductor researchearth-abundant materialsbandgap engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	72.50	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	28.82	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.377	kg/m³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	3.200	eV	Measured
↳	1.688	eV	DFT · OptB88vdW
↳	2.143	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.876	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	19.88	%	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)	0.00450	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7973	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

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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.

MgCu2SiS4

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