Observation of spontaneous ferriquadrupolar order in KDy(MoO4)2

Zvyagin, A. A.; Kutko, K.; Kamenskyi, D.; Peschanskii V, A.; Poperezhai, S.; Nesterenko, N. M.

doi:10.1103/PhysRevB.98.064406

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Observation of spontaneous ferriquadrupolar order in KDy(MoO4)2

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Zvyagin, A. A.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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引用

Zvyagin, A. A., Kutko, K., Kamenskyi, D., Peschanskii V, A., Poperezhai, S., & Nesterenko, N. M. (2018). Observation of spontaneous ferriquadrupolar order in KDy(MoO4)2. Physical Review B, 98(6). doi:10.1103/PhysRevB.98.064406.

引用: https://hdl.handle.net/21.11116/0000-0002-190D-5

要旨

Using Raman and infrared spectroscopies, spontaneous ferriquadrupolar ordering has been observed in the rare-earth-based system KDy(MoO4)(2). Ordered quadrupoles in the electron subsystem attend nonequivalent distortions of rare-earth ions in the ordered phase. A mean-field theory explaining the onset of such a type of ordering has been constructed.