Intriguing magnetism of the topological kagome magnet TbMn_6Sn_6

no code implementations • 14 Jan 2021 • C. Mielke III, Wenlong Ma, V. Pomjakushin, O. Zaharko, X. Liu, J. -X. Yin, S. S. Tsirkin, T. A. Cochran, M. Medarde, V. Poree, D. Das, C. N. Wang, J. Chang, T. Neupert, A. Amato, S. Jia, M. Z. Hasan, H. Luetkens, Z. Guguchia

These fluctuations exhibit a slowing down below $T_{\rm C1}^{*}$~${\simeq}$~120~K, and we see the formation of static patches with ideal out-of-plane order below $T_{\rm C1}$~${\simeq}$~20~K which grow in a volume with decreasing temperature.

Strongly Correlated Electrons Materials Science Other Condensed Matter

Neutron powder diffraction study of NaMn$_2$O$_4$ and Li$_{0.92}$Mn$_2$O$_4$: New insights on spin-charge-orbital ordering

no code implementations • 30 Jun 2020 • N. Matsubara, E. Nocerino, K. Kamazawa, O. K. Forslund, Y. Sassa, L. Keller, V. V. Sikolenko, V. Pomjakushin, H. Sakurai, J. Sugiyama, M. Månsson

The high-pressure synthesized quasi-one-dimensional compounds NaMn$_2$O$_4$ and Li$_{0. 92}$Mn$_2$O$_4$ are both antiferromagnetic insulators, and here their atomic and magnetic structures were investigated using neutron powder diffraction.

Materials Science