Three-dimensional sandglass magnet with non-Kramers ions
- 16 May 2022
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 105 (17), 174418
- https://doi.org/10.1103/physrevb.105.174418
Abstract
Magnetic susceptibility, specific heat, and muon spin relaxation () measurements have been performed on a synthesized three-dimensional sandglass-type lattice , where two inequivalent sets of non-Kramers ions ( and show crystal electrical field effect at different temperature ranges. The existence of an ordered or a glassy state down to 0.1 K in zero field is excluded. The low-energy properties of are dominated by the lowest non-Kramers quasidoublet of , and the energy splitting is regarded as an intrinsic transverse field. Therefore, the low-temperature paramagnetic phenomenon in is explained by a transverse field Ising model, which is supported by the quantitative simulation of specific heat data. In addition, the perturbation from may play an important role in accounting for the low temperature spin dynamics behavior observed by .
Funding Information
- National Natural Science Foundation of China (12034004, 12174065)
- Science and Technology Commission of Shanghai Municipality (2019SHZDZX01, 20ZR1405300)
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