Study of magnetic properties of botallackite Cu2(OH)3Br with a distorted triangular lattice

ORAL

Abstract

Hydroxy halides M2(OH)3X (M = transition metal, X = Cl, Br, I) represent a family to investigate novel quantum phenomena arising from the magnetic frustration. For instance, via doing Zn into Cu sites in the parent cinoactacamite Cu2(OH)3Cl, herbertsmithite ZnCu3(OH)6Cl2 hosts a perfect two-dimensional kagome magnetic lattice and exhibits quantum spin liquid state without long range magnetic ordering. In this paper, we report a comprehensive study of botallackite Cu2(OH)3Br, a compound with distorted quasi-two dimensional triangular magnetic lattice, via magnetic susceptibility, heat capacity, neutron diffraction, and inelastic neutron scattering measurements. Density functional theory calculations to understand the exchange interactions of this system will be briefly discussed as well.

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Presenters

  • Heda Zhang

    Department of Physics and Astronomy, Michigan State University, Michigan State Univ

Authors

  • Heda Zhang

    Department of Physics and Astronomy, Michigan State University, Michigan State Univ

  • Zhiying Zhao

    State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Science

  • Vasile O Garlea

    Oak Ridge National Laboratory, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6475, USA, Neutron Scattering Division, Oak Ridge National Lab

  • Tao Hong

    Oak Ridge National Laboratory, Neutron Scattering Division, Oak Ridge National Laboratory, Neutron Scattering Division, Oak-Ridge National Laboratory, Neutron Scattering Division, Oak Ridge National Lab

  • Dominique Gautreau

    Department of Chemical Engineering and Materials Science, University of Minnesota

  • Amartyajyoti Saha

    Department of Chemical Engineering and Materials Science, University of Minnesota, School of Physics and Astronomy, University of Minnesota

  • S Mahanti

    Department of Physics and Astronomy, Michigan State University, Michigan State Univ

  • Turan Birol

    Department of Chemical Engineering and Material science, University of Minnesota, Chemical Engineering and Materials Science, University of Minnesota - Twin Cities, University of Minnesota, Department of Chemical Engineering and Materials Science, University of Minnesota, Department of Chemical Engineering and Materials Science, UNIVERSITY OF MINNESOTA

  • Xianglin Ke

    Department of Physics and Astronomy, Michigan State University, Michigan State Univ