In4Se3
In4Se3 is a semiconducting indium selenide compound that is considered stable enough to be synthesized for research and potential technological use.

About In4Se3
In4Se3 is a semiconducting compound composed of indium and selenium. Its electronic character positions it as a candidate for specialized semiconductor applications where specific charge transport properties are required.
As a near-hull material, In4Se3 is considered likely to be synthesizable under controlled conditions. The existence of multiple reported structures across various databases highlights its structural complexity and the ongoing interest in its phase stability.
Key Properties
Cross-validated computational properties for In4Se3, 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 In4Se3 is used.
Frequently Asked Questions
Common questions about In4Se3, answered from cross-validated data.
What is In4Se3?
In4Se3 is a semiconducting indium selenide compound that is considered stable enough to be synthesized for research and potential technological use.
What is In4Se3 used for?
What is the band gap of In4Se3?
Is In4Se3 a metal, semiconductor, or insulator?
Is In4Se3 thermodynamically stable?
How many polymorphs of In4Se3 are known?
What elements does In4Se3 contain?
Where does the data for In4Se3 come from?
How It Compares
As a unique indium-rich selenide, In4Se3 occupies a distinct niche within the broader family of indium-selenium binary systems. Unlike more common stoichiometric phases, its specific indium-to-selenium ratio allows it to exhibit structural characteristics that differentiate it from standard semiconductor materials.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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