GaMoS2
GaMoS2 is a metastable, semiconducting ternary sulfide material composed of gallium, molybdenum, and sulfur.
About GaMoS2
GaMoS2 is a ternary sulfide material composed of gallium, molybdenum, and sulfur. As a semiconducting compound, it represents a specialized area of interest for researchers investigating complex chalcogenide systems with unique electronic properties.
This material exists in a metastable state, making its synthesis and structural characterization a subject of ongoing scientific inquiry. Its existence across multiple databases underscores its role as a notable subject for those studying the phase stability and potential utility of unconventional metal-sulfide semiconductors.
Key Properties
Cross-validated computational properties for GaMoS2, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for GaMoS2, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| R3m (No. 160) | trigonal | 0.12 | 0.0425 | -7.193 | 5.23 |
| F-43m (No. 216) | cubic | 0.00 | 0.0473 | -7.188 | 5.22 |
| Imm2 (No. 44) | orthorhombic | 0.95 | 0.0727 | -7.060 | 5.21 |
| — | — | — | — | — | 5.26 |
| P-6m2 (No. 187) | — | — | — | — | — |
Applications
Where GaMoS2 is used.
Frequently Asked Questions
Common questions about GaMoS2, answered from cross-validated data.
What is GaMoS2?
GaMoS2 is a metastable, semiconducting ternary sulfide material composed of gallium, molybdenum, and sulfur.
What is GaMoS2 used for?
What is the band gap of GaMoS2?
Is GaMoS2 a metal, semiconductor, or insulator?
Is GaMoS2 thermodynamically stable?
What is the crystal structure of GaMoS2?
What is the density of GaMoS2?
How many polymorphs of GaMoS2 are known?
What elements does GaMoS2 contain?
Where does the data for GaMoS2 come from?
How It Compares
As a unique ternary sulfide, GaMoS2 occupies a specialized niche in materials science. Unlike more common binary sulfides, its specific combination of gallium and molybdenum allows for distinct electronic behavior, positioning it as a key candidate for exploring metastable phases that do not follow traditional structural patterns.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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