3 papers
cond-mat.str-el2025
Bond-dependent interactions and ill-ordered state in the honeycomb cobaltate BaCo(AsO)
A. Devillez, J. Robert, E. Lhotel +13
The ground state and Hamiltonian of the honeycomb lattice material BaCo(AsO) hosting magnetic Co, have been debated for decades. The recent proposal for an…
cond-mat.other2021
Infrared phonon spectroscopy on the Cairo pentagonal antiferromagnet Bi2Fe4O9: a study through the pressure induced structural transition
M. Verseils, A. P. Litvinchuk, J-B Brubach +7
Magnetic and crystallographic transitions in the Cairo pentagonal magnet Bi2Fe4O9 are investigated by means of infrared synchrotron-based spectroscopy as a function of temperature…
cond-mat.mtrl-sci2019
Archetypal soft-mode driven antipolar transition in francisite Cu3Bi(SeO3)2O2Cl
Cosme Milesi-Brault, Constance Toulouse, Evan Constable +8
Model materials are precious test cases for elementary theories and provide building blocks for the understanding of more complex cases. Here, we describe the lattice dynamics of t…