CaHoS2

CaHoS2 is a stable, semiconducting ternary sulfide compound containing calcium, holmium, and sulfur.

CaHoS
Overview

About CaHoS2

CaHoS2 is a ternary sulfide compound composed of calcium, holmium, and sulfur. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement that maintains structural integrity under standard conditions. Its electronic character is defined as semiconducting, positioning it as a material of interest for fundamental studies in electronic and optoelectronic phenomena. The existence of multiple reported structures across various databases highlights its structural versatility and the ongoing scientific interest in characterizing its physical properties. This compound serves as a valuable entry point for understanding the interplay between rare-earth elements and chalcogenide frameworks in complex inorganic systems.

At a glance

Key Properties

Cross-validated computational properties for CaHoS2, aggregated across 3 databases.

Band Gap

1.55–2.19 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, 2 space groups
Uses

Applications

Where CaHoS2 is used.

Semiconductor researchSolid-state chemistryMaterials science exploration
Reference

Frequently Asked Questions

Common questions about CaHoS2, answered from cross-validated data.

What is CaHoS2?

CaHoS2 is a stable, semiconducting ternary sulfide compound containing calcium, holmium, and sulfur.

More questions
What is CaHoS2 used for?
CaHoS2 is used in semiconductor research, solid-state chemistry, and materials science exploration.
What is the band gap of CaHoS2?
CaHoS2 has a DFT-computed band gap of 1.55–2.19 eV across 4 reported structures.
Is CaHoS2 a metal, semiconductor, or insulator?
With a band gap up to 2.19 eV it is a semiconductor.
Is CaHoS2 thermodynamically stable?
Yes — CaHoS2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of CaHoS2 are known?
4 structures of CaHoS2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does CaHoS2 contain?
CaHoS2 contains Ca, Ho, and S (3 elements).
Where does the data for CaHoS2 come from?
CaHoS2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary sulfide, CaHoS2 represents a distinct point in the chemical space of calcium-holmium-sulfur systems. While it currently stands as a singular entry in this specific compositional class, its thermodynamic stability makes it a reliable benchmark for evaluating the behavior of similar rare-earth chalcogenides in future materials discovery efforts.

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

Analyze CaHoS2 in the Lattice Graph platform

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

Explore the Platform →