Abstract
The field dependence of the magnetic susceptibility at low temperatures was investigated in a single crystal of Cs2NaHoCl6. The result is well explained by the second-order Zeeman splitting of the electronic ground state with a “nonmagnetic” Γ3 doublet. Enhanced nuclear cooling experiments were carried out. Antiferromagnetic ordering of the enhanced nuclear spin system was observed at about 1.5 mK.
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Suzuki, H., Miyamoto, M., Masuda, Y. et al. Antiferromagnetic ordering of enhanced nuclear spin in Cs2NaHoCl6 . J Low Temp Phys 48, 297–306 (1982). https://doi.org/10.1007/BF00681574
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DOI: https://doi.org/10.1007/BF00681574