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Field-Tuned Magnetic Structure and Phase Diagram of the Honeycomb Magnet YbCl3



Yiqing Hao, Hongliang Wo, Yimeng Gu, Xiaowen Zhang, YiQing Gu, ShiYi Zheng, Yang Zhao, Guangyong Xu, Jeffrey W. Lynn, Naoki Murai, Wenbin Wang, Jun Zhao


We report thermodynamic and neutron diffraction measurements on the magnetic ordering properties of the honeycomb lattice magnet YbCl3. We find YbCl3 exhibits a Neel type long-range magnetic order at the wavevector (0,0,0) below TN = 600 mK. This magnetic order is associated with a small sharp peak in heat capacity and most magnetic entropy release occurs above the magnetic ordering temperature. The magnetic moment lies in-plane, parallel to the monoclinic a-axis, whose magnitude mYbY = 0.86(3) υdB^ is considerably smaller than the expected fully ordered moment of 2.24 υB6 for the doublet crystal-field ground state. These results indicate the presence of strong quantum fluctuations in YbCld3^.
Science China Physics, Mechanics & Astronomy


quantum magnet, neutron scattering, honeycomb magnet


Hao, Y. , Wo, H. , Gu, Y. , Zhang, X. , Gu, Y. , Zheng, S. , Zhao, Y. , Xu, G. , Lynn, J. , Murai, N. , Wang, W. and Zhao, J. (2021), Field-Tuned Magnetic Structure and Phase Diagram of the Honeycomb Magnet YbCl<sub>3</sub>, Science China Physics, Mechanics & Astronomy (Accessed April 23, 2024)
Created February 28, 2021, Updated August 31, 2021