Polarized neutron study on the multipolar component in a quasi-doublet quantum magnet
The recently synthesized rare earth chalcogenide triangular-lattice magnet KTmSe2 is likely to hold multipolar component and thus providing us a great opportunity to study the multipole degrees of freedom. Our previous magnetic susceptibility and inelastic neutron scattering measurement indicate a quasi-doublet magnetic ground state and thus the in-plane multipolar component of Tm3+. Since dipole and multipole couples to neutron differently, we propose to use the polarized neutron beam to study the spin space anisotropy of the magnetic excitations in KTmSe2. Such measurement will elucidate the nature of the in-plane component and expand our understanding on multipole physics. We request 6 days on ThALES to finish this experiment. This proposal has been rejected last time due to the missing of the experiment report, please now refer to experiment report 77929 (proposal number 4-05-682) for more details of the previous experiment.
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ZHAO Jun; BOEHM Martin; DING Gaofeng; GU Yiqing; STEFFENS Paul; H. C. Walker; Qisi Wang and WO Hongliang. (2019). Polarized neutron study on the multipolar component in a quasi-doublet quantum magnet. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-05-755
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