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Journal Articles

Spin-lattice instability to a fractional magnetization state in the spinel HgCr$$_{2}$$O$$_{4}$$

Matsuda, Masaaki; Ueda, Hiroaki*; Kikkawa, Akiko*; Tanaka, Yoshikazu*; Katsumata, Koichi*; Narumi, Yasuo*; Inami, Toshiya; Ueda, Yutaka*; Lee, S.-H.*

Nature Physics, 3(6), p.397 - 400, 2007/06

https://doi.org/10.1038/nphys586
 Times Cited Count：104 Percentile：93.31(Physics, Multidisciplinary)

Cr-CrCr-based spinel compounds ACr$$_{2}$$O$$_{4}$$ (A=Mg, Zn, Cd, and Hg) are so far the best model systems for a network of corner-sharing tetrahedrons with isotropic nearest-neighbor antiferromagnetic interactions. The systems exhibit novel spin-Peierls phase transitions from cubic spin liquid to non-cubic N$'e$el states at low temperatures. Recent bulk magnetization studies on CdCr$$_{2}$$O$$_{4}$$ and HgCr$$_{2}$$O$$_{4}$$ revealed the magnetic field-induced half magnetization plateau states that are stable over a wide range of field. Recent bulk magnetization studies on CdCr$$_{2}$$O$$_{4}$$ and HgCr$$_{2}$$O$$_{4}$$ revealed the magnetic field-induced half magnetization plateau states that are stable over a wide range of field.

Journal Articles

Neutron diffraction study of $$alpha$$-Gd$$_{2}$$S$$_{3}$$

Matsuda, Masaaki; Kikkawa, Akiko*; Katsumata, Koichi*; Ebisu, Shuji*; Nagata, Shoichi*

Journal of the Physical Society of Japan, 74(5), p.1412 - 1415, 2005/05

https://doi.org/10.1143/JPSJ.74.1412
 Times Cited Count：19 Percentile：67.64(Physics, Multidisciplinary)

no abstracts in English

Oral presentation

Neutron and X-ray diffraction studies of a frustrated spinel antiferromagnet HgCr$$_2$$O$$_4$$ in high magnetic field

Matsuda, Masaaki; Ueda, Hiroaki*; Kikkawa, Akiko*; Tanaka, Yoshikazu*; Katsumata, Koichi*; Narumi, Yasuo*; Inami, Toshiya; Ueda, Yutaka*; Lee, S.-H.*

no journal, , 

no abstracts in English

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