La2MgS4
La2MgS4 is a metastable semiconducting sulfide compound containing lanthanum and magnesium.
About La2MgS4
La2MgS4 is a ternary sulfide compound composed of lanthanum, magnesium, and sulfur. As a semiconducting material, it represents a complex arrangement of elements that offers unique electronic properties for researchers investigating new functional chalcogenides.
Although it is classified as a metastable phase, the compound has been identified across multiple structural databases, highlighting significant interest in its formation. Its existence in various structural configurations suggests a flexible lattice that may be tuned for specific electronic or optical applications.
Key Properties
Cross-validated computational properties for La2MgS4, 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.
Applications
Where La2MgS4 is used.
Frequently Asked Questions
Common questions about La2MgS4, answered from cross-validated data.
What is La2MgS4?
La2MgS4 is a metastable semiconducting sulfide compound containing lanthanum and magnesium.
What is La2MgS4 used for?
What is the band gap of La2MgS4?
Is La2MgS4 a metal, semiconductor, or insulator?
Is La2MgS4 thermodynamically stable?
How many polymorphs of La2MgS4 are known?
What elements does La2MgS4 contain?
Where does the data for La2MgS4 come from?
How It Compares
As a member of the broader class of ternary lanthanum-based sulfides, La2MgS4 serves as a specialized example of how divalent cations like magnesium can influence the structural landscape of rare-earth chalcogenides. Its metastable nature distinguishes it from more common, highly stable binary sulfides, positioning it as a subject of interest for synthesis studies and phase-stability research.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze La2MgS4 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →