KS2Y

KS2Y is a stable, semiconducting ternary compound consisting of potassium, sulfur, and yttrium.

KSY
Crystal structure of KS2Y
Ground-state structure · Materials Project
Overview

About KS2Y

KS2Y is a ternary inorganic compound composed of potassium, sulfur, and yttrium. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement that is well-represented in materials databases through multiple distinct structural configurations.

This material exhibits semiconducting electronic character, making it a subject of interest for researchers investigating electronic and optoelectronic properties. Its stability and structural diversity suggest a complex interplay between its constituent elements, positioning it as a noteworthy candidate for further experimental characterization.

At a glance

Key Properties

Cross-validated computational properties for KS2Y, aggregated across 3 databases.

Band Gap

2.32 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

8
3 databases, 1 space group
Uses

Applications

Where KS2Y is used.

Materials science researchSemiconductor developmentSolid-state chemistry studies
Reference

Frequently Asked Questions

Common questions about KS2Y, answered from cross-validated data.

What is KS2Y?

KS2Y is a stable, semiconducting ternary compound consisting of potassium, sulfur, and yttrium.

More questions
What is KS2Y used for?
KS2Y is used in materials science research, semiconductor development, and solid-state chemistry studies.
What is the band gap of KS2Y?
KS2Y has a DFT-computed band gap of 2.32 eV across 8 reported structures.
Is KS2Y a metal, semiconductor, or insulator?
With a band gap up to 2.32 eV it is a semiconductor.
Is KS2Y thermodynamically stable?
Yes — KS2Y sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of KS2Y are known?
8 structures of KS2Y are reported across 3 databases, spanning 1 distinct space group.
What elements does KS2Y contain?
KS2Y contains K, S, and Y (3 elements).
Where does the data for KS2Y come from?
KS2Y data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary system, KS2Y serves as a foundational example of how alkali metals, chalcogens, and rare-earth elements can combine to form stable, semiconducting frameworks, providing a baseline for studying similar complex sulfide architectures.

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

Analyze KS2Y in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →