KCrF3

KCrF3 is a thermodynamically stable semiconducting fluoride compound known for its structural diversity.

CrFK
Crystal structure of KCrF3
Ground-state structure · Materials Project
Overview

About KCrF3

KCrF3 is a distinct ternary fluoride compound characterized by its semiconducting electronic nature. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline material that has garnered significant interest for its structural diversity and potential in solid-state chemistry.

Its structural versatility is highlighted by the numerous reported configurations found across multiple databases. This material serves as a valuable subject for researchers investigating the interplay between transition metal centers and halide frameworks in complex inorganic systems.

At a glance

Key Properties

Cross-validated computational properties for KCrF3, aggregated across 3 databases.

Band Gap

0.16–1.97 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

17
3 databases, 6 space groups
Uses

Applications

Where KCrF3 is used.

Solid-state chemistry researchMaterials science explorationCrystallographic studies
Reference

Frequently Asked Questions

Common questions about KCrF3, answered from cross-validated data.

What is KCrF3?

KCrF3 is a thermodynamically stable semiconducting fluoride compound known for its structural diversity.

More questions
What is KCrF3 used for?
KCrF3 is used in solid-state chemistry research, materials science exploration, and crystallographic studies.
What is the band gap of KCrF3?
KCrF3 has a DFT-computed band gap of 0.16–1.97 eV across 17 reported structures.
Is KCrF3 a metal, semiconductor, or insulator?
With a band gap up to 1.97 eV it is a semiconductor.
Is KCrF3 thermodynamically stable?
Yes — KCrF3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of KCrF3 are known?
17 structures of KCrF3 are reported across 3 databases, spanning 6 distinct space groups.
What elements does KCrF3 contain?
KCrF3 contains Cr, F, and K (3 elements).
Where does the data for KCrF3 come from?
KCrF3 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary fluoride, KCrF3 serves as a foundational example of stable semiconducting halides, providing a benchmark for understanding how potassium and chromium ions integrate into a stable lattice structure compared to simpler binary fluoride systems.

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

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