K4Mn2Se4

K4Mn2Se4 is a thermodynamically stable, semiconducting quaternary chalcogenide compound containing potassium, manganese, and selenium.

KMnSe
Crystal structure of K4Mn2Se4
Ground-state structure · Materials Project
Overview

About K4Mn2Se4

K4Mn2Se4 is a complex quaternary chalcogenide that exists as a thermodynamically stable phase on the convex hull. Its electronic character is defined as semiconducting, making it an intriguing candidate for specialized optoelectronic or solid-state applications where structural stability is paramount.

Given its presence across multiple structural databases, this compound represents a well-documented entry in the landscape of manganese-based selenides. Its unique stoichiometry and stable nature provide a foundation for researchers investigating the interplay between transition metal magnetism and semiconducting behavior in complex lattices.

At a glance

Key Properties

Cross-validated computational properties for K4Mn2Se4, aggregated across 3 databases.

Band Gap

0.99 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

4
3 databases, 1 space group
Uses

Applications

Where K4Mn2Se4 is used.

Solid-state researchSemiconductor materials developmentFundamental materials science studies
Reference

Frequently Asked Questions

Common questions about K4Mn2Se4, answered from cross-validated data.

What is K4Mn2Se4?

K4Mn2Se4 is a thermodynamically stable, semiconducting quaternary chalcogenide compound containing potassium, manganese, and selenium.

More questions
What is K4Mn2Se4 used for?
K4Mn2Se4 is used in solid-state research, semiconductor materials development, and fundamental materials science studies.
What is the band gap of K4Mn2Se4?
K4Mn2Se4 has a DFT-computed band gap of 0.99 eV across 4 reported structures.
Is K4Mn2Se4 a metal, semiconductor, or insulator?
With a band gap up to 0.99 eV it is a semiconductor.
Is K4Mn2Se4 thermodynamically stable?
Yes — K4Mn2Se4 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of K4Mn2Se4 are known?
4 structures of K4Mn2Se4 are reported across 3 databases, spanning 1 distinct space group.
What elements does K4Mn2Se4 contain?
K4Mn2Se4 contains K, Mn, and Se (3 elements).
Where does the data for K4Mn2Se4 come from?
K4Mn2Se4 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct member of the manganese-selenide family, K4Mn2Se4 occupies a stable position within the chemical space of alkali-metal transition metal chalcogenides. It serves as a representative example of how ternary and quaternary systems can achieve thermodynamic stability, offering a reliable structural archetype for those studying the broader class of semiconducting chalcogenide materials.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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