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Journal Articles

Influences of hydration-dehydration on local structure in layered perovskite LaSr$$_{3}$$Fe$$_{3}$$O$$_{10}$$

Yagi, Yutaro*; Wakita, Yudai*; Kagomiya, Isao*; Matsue, Ikuya*; Kakimoto, Kenichi*; Matsumura, Daiju; Yoneda, Yasuhiro

ChemistrySelect (Internet), 7(21), p.e202104575_1 - e202104575_7, 2022/06

https://doi.org/10.1002/slct.202104575
 Times Cited Count：0 Percentile：0(Chemistry, Multidisciplinary)

Journal Articles

Frustrated minority spins in GeNi$$_2$$O$$_4$$

Matsuda, Masaaki; Chung, J.-H.*; Park, S.*; Sato, Taku*; Matsuno, Kenichiro*; Katori, Hiroko*; Takagi, Hidenori*; Kakurai, Kazuhisa; Kamazawa, Kazuya*; Tsunoda, Yorihiko*; et al.

Europhysics Letters, 82(3), p.37006_1 - 37006_5, 2008/05

https://doi.org/10.1209/0295-5075/82/37006
 Times Cited Count：21 Percentile：71.09(Physics, Multidisciplinary)

Recently, two consecutive phase transitions were observed, upon cooling, in an antiferromagnetic spinel GeNi$$_2$$O$$_4$$ at $$T_{N1}=12.1$$ K and $$T_{N2}=11.4$$ K, respectively. Using unpolarized and polarized elastic neutron scattering we show that the two transitions are due to the existence of frustrated minority spins in this compound. Upon cooling, at $$T_{N1}$$ the spins on the $$<$$111$$>$$ kagom$'e$ planes order ferromagnetically in the plane and antiferromagnetically between the planes (phase I), leaving the spins on the $$<$$111$$>$$ triangular planes that separate the kagom$'e$ planes frustrated and disordered. At the lower $$T_{N2}$$, the triangular spins also order in the $$<$$111$$>$$ plane (phase II). We also present a scenario involving exchange interactions that qualitatively explains the origin of the two purely magnetic phase transitions.

Journal Articles

Magnetic neutron scattering of the frustrated system ZnCr$$_{2}$$O$$_{4}$$

Hata, Yoshiaki; Kita, Eiji*; Kagomiya, Isao*; Kay, Kohn*; Shiratori, Kiichi*; Nakajima, Kenji*; Kakurai, Kazuhisa*

Journal of the Physical Society of Japan, Vol.70, Supplement A, p.195 - 196, 2001/05

no abstracts in English

Oral presentation

Magnetic field dependence of MCD of perpendicular magnetic film Dy$$_{x}$$Co$$_{100-x}$$

Agui, Akane; Mizumaki, Masaichiro*; Asahi, Toru*; Kagomiya, Isao*; Matsumoto, Koji*; Sayama, Junichi*; Morikawa, Tsuyoshi*; Osaka, Tetsuya*

no journal, , 

no abstracts in English

Oral presentation

Element selective magnetic hysteresis of TbxCo100-x by means of magnetic circular dichroism

Agui, Akane; Mizumaki, Masaichiro*; Asahi, Toru*; Sayama, Junichi*; Kagomiya, Isao*; Matsumoto, Koji*; Morikawa, Tsuyoshi*; Osaka, Tetsuya*

no journal, , 

no abstracts in English

Oral presentation

Element selective magnetic hysteresis of Dy$$_{x}$$Co$$_{100-x}$$ by means of magnetic circular dichroism

Agui, Akane; Mizumaki, Masaichiro*; Asahi, Toru*; Sayama, Junichi*; Kagomiya, Isao*; Matsumoto, Koji*; Morikawa, Tsuyoshi*; Osaka, Tetsuya*

no journal, , 

no abstracts in English

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