LuCuS2

LuCuS2 is a stable, semiconducting ternary sulfide compound known for its diverse structural configurations.

CuLuS
Crystal structure of LuCuS2
Ground-state structure · Materials Project
Overview

About LuCuS2

LuCuS2 is a ternary sulfide compound characterized by its semiconducting electronic nature. As a thermodynamically stable material situated on the convex hull, it represents a robust structural configuration that is of significant interest for fundamental materials research.

Its structural versatility is evidenced by the multiple reported configurations documented across various databases. This diversity in structural arrangements makes it a compelling subject for studying the relationship between crystal symmetry and electronic performance in complex chalcogenides.

At a glance

Key Properties

Cross-validated computational properties for LuCuS2, aggregated across 3 databases.

Band Gap

1.46–1.76 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

12
3 databases, 3 space groups
Uses

Applications

Where LuCuS2 is used.

Semiconductor researchMaterials science explorationChalcogenide structural studies
Reference

Frequently Asked Questions

Common questions about LuCuS2, answered from cross-validated data.

What is LuCuS2?

LuCuS2 is a stable, semiconducting ternary sulfide compound known for its diverse structural configurations.

More questions
What is LuCuS2 used for?
LuCuS2 is used in semiconductor research, materials science exploration, and chalcogenide structural studies.
What is the band gap of LuCuS2?
LuCuS2 has a DFT-computed band gap of 1.46–1.76 eV across 12 reported structures.
Is LuCuS2 a metal, semiconductor, or insulator?
With a band gap up to 1.76 eV it is a semiconductor.
Is LuCuS2 thermodynamically stable?
Yes — LuCuS2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of LuCuS2 are known?
12 structures of LuCuS2 are reported across 3 databases, spanning 3 distinct space groups.
What elements does LuCuS2 contain?
LuCuS2 contains Cu, Lu, and S (3 elements).
Where does the data for LuCuS2 come from?
LuCuS2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary sulfide, LuCuS2 serves as a foundational example of stable semiconducting chalcogenides, providing a benchmark for exploring the electronic and structural landscape of materials within this compositional family.

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

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