Les 3 axes

20 octobre 2020

Dimer Physics in the Frustrated Cairo Pentagonal Antiferromagnet Bi2Fe4O9

K. Beauvois, V. Simonet, S. Petit, J. Robert, F. Bourdarot, M. Gospodinov, A.A. Mukhin, R. Ballou, V. Skumryev, and E.

17 mars 2020

Direct evidence of weakly dispersed and strongly anharmonic optical phonons in hybrid perovskites

A. C. Ferreira, S. Paofai, A. Létoublon, J. Ollivier, S. Raymond, B. Hehlen, B. Rufflé, S. Cordier, C. Katan, J. Even & P.

Direct evidence of weakly dispersed and strongly anharmonic optical phonons in hybrid perovskites

21 décembre 2019

Magnetoelastic excitation spectrum in the rare-earth pyrochlore Tb2Ti2O7

M. Ruminy, S. Guitteny, J. Robert, L.-P. Regnault, M. Boehm, P. Steffens, H. Mutka, J. Ollivier, U. Stuhr, J. S. White, B. Roessli, L. Bovo, C.

22 février 2018

Magnetic antiskyrmions above room temperature in tetragonal Heusler materials.

Magnetic skyrmions are topologically stable, vortex-like objects surrounded by chiral boundaries that separate a region of reversed magnetization from the surrounding magnetized material.

Magnetic antiskyrmions above room temperature in tetragonal Heusler materials.

21 décembre 2017

Impurity-induced spin pseudogap in SrCuO2 doped with Mg, Zn, or La

D. Bounoua, R. Saint-Martin, S. Petit, P. Berthet, F. Damay, Y. Sidis, F. Bourdarot, and L. Pinsard-Gaudart, Phys. Rev.

24 août 2017

Crystal-electric-field excitations and spin dynamics in Ce3Co4Sn13 semimetallic chiral-lattice phase

Crystal-electric-field excitations and spin dynamics in Ce3Co4Sn13 semimetallic chiral-lattice phase Kazuaki Iwasa, Yuka Otomo, Kazuya Suyama, Keisuke Tomiyasu, Seiko Ohira-Kawamura, Kenji Nakajima, and Jean-Michel Mignot Inelastic neutron scattering experiments have been conducted to investigate the spin dynamics and crystal-electric-field level scheme of the Ce 4f4f electrons in Ce3Co4Sn13Ce3Co4Sn13 .