Layered CrG e 1 − x S e 3 + y with Cr kagome lattice and antiferromagnetic ordering
Abstract
We report the synthesis and properties of a new layered material, CrGe1-xSe3+y. The crystal structure was determined by using single crystal x-ray diffraction and transmission electron microscopy. CrGe1-xSe3+y crystallizes with a space group R-3m, featuring a double Kagome layer of chromium atoms, sandwiched between disordered Ge-Se layers. This compound displays antiferromagnetic order below 50 K, unlike the ferromagnetic behavior in CrGeTe3. Chromium displays an effective moment of ~3.9 μB/Cr, consistent with Cr3+ oxidation. The presence of this phase limits the possibility of a ferromagnetic CrGeSe3 analogous to CrGeTe3.
Fields of Study & Subjects
2D Materials and Applications
Iron-based superconductors research
Topological Materials and Phenomena
Publication details
- Journal / source
- Physical Review Materials
- Volume
- 10
- Issue
- 1
- Publication date
- 2 January 2026
- Language
- EN