Ga2CoS4

metal
· Ga2CoS4

Ga2CoS4 is a ternary chalcogenide compound combining gallium, cobalt, and sulfur—a research-phase material belonging to the family of metal sulfides with potential semiconductor or optoelectronic properties. This compound is not yet established in mainstream industrial production but represents an emerging area of materials chemistry focused on earth-abundant alternatives to traditional semiconductors and photovoltaic absorbers. Engineers and researchers explore such gallium-cobalt sulfides for next-generation energy conversion, photocatalysis, or electronic device applications where tunable band gaps and mixed-metal compositions offer design flexibility.

photovoltaic absorber layersphotocatalytic materialsthin-film semiconductorsoptoelectronic researchenergy conversion devicesexploratory materials chemistry

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
44.20
GPa
49.44
GPa
Poisson's Ratio(ν)
0.2500
-
Shear Modulus(G)2 entries
27.61
GPa
31.49
GPa
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
3.772
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.4160
eV
Dielectric Constant (Relative Permittivity)(εr)
486.5
-
Magnetic Moment(μB)
2.999
µB
Piezoelectric Modulus(eij)2 entries
0.07708
C/m²
1.063
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
-329.7
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.09170
eV/atom
Formation Energy(ΔHf)
-0.5842
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.