GaMoS2

GaMoS2 is a metastable, semiconducting ternary sulfide material composed of gallium, molybdenum, and sulfur.

GaMoS
Overview

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.

At a glance

Key Properties

Cross-validated computational properties for GaMoS2, aggregated across 3 databases.

Band Gap

0.12–0.95 eV
Range across DFT structures

Energy Above Hull

0.042 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

5
3 databases, 4 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for GaMoS2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R3m (No. 160)trigonal0.120.0425-7.1935.23
F-43m (No. 216)cubic0.000.0473-7.1885.22
Imm2 (No. 44)orthorhombic0.950.0727-7.0605.21
5.26
P-6m2 (No. 187)
Uses

Applications

Where GaMoS2 is used.

Semiconductor researchOptoelectronic device developmentMaterials science exploration
Reference

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.

More questions
What is GaMoS2 used for?
GaMoS2 is used in semiconductor research, optoelectronic device development, and materials science exploration.
What is the band gap of GaMoS2?
GaMoS2 has a DFT-computed band gap of 0.12–0.95 eV across 5 reported structures.
Is GaMoS2 a metal, semiconductor, or insulator?
With a band gap up to 0.95 eV it is a semiconductor.
Is GaMoS2 thermodynamically stable?
GaMoS2 has a lowest energy above hull of 0.042 eV/atom (metastable).
What is the crystal structure of GaMoS2?
The lowest-energy reported polymorph of GaMoS2 is trigonal symmetry, space group R3m (No. 160).
What is the density of GaMoS2?
The computed density of the ground-state structure of GaMoS2 is 5.23 g/cm³.
How many polymorphs of GaMoS2 are known?
5 structures of GaMoS2 are reported across 3 databases, spanning 4 distinct space groups.
What elements does GaMoS2 contain?
GaMoS2 contains Ga, Mo, and S (3 elements).
Where does the data for GaMoS2 come from?
GaMoS2 data is cross-referenced from materials_project, omat24, jarvis.
Comparison

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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