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Journal Articles

Multi-spin-state dynamics during insulator-metal crossover in LaCoO$$_3$$

Doi, Atsunori*; Fujioka, Jun*; Fukuda, Tatsuo; Tsutsui, Satoshi*; Okuyama, Daisuke*; Taguchi, Yasujiro*; Arima, Takahisa*; Baron, A. Q. R.*; Tokura, Yoshinori*

Physical Review B, 90(8), p.081109_1 - 081109_4, 2014/01

 Times Cited Count:17 Percentile:58.39(Materials Science, Multidisciplinary)

Journal Articles

Soft phonon mode coupled with antiferromagnetic order in incipient-ferroelectric Mott insulators Sr$$_{1-x}$$Ba$$_x$$MnO$$_3$$

Sakai, Hideaki*; Fujioka, Jun*; Fukuda, Tatsuo; Bahramy, M. S.*; Okuyama, Daisuke*; Arita, Ryotaro*; Arima, Takahisa*; Baron, A. Q. R.*; Taguchi, Yasujiro*; Tokura, Yoshinori*

Physical Review B, 86(10), p.104407_1 - 104407_11, 2012/09

 Times Cited Count:30 Percentile:74.69(Materials Science, Multidisciplinary)

Journal Articles

Emergent phenomena in perovskite-type manganites

Taguchi, Yasujiro*; Sakai, Hideaki*; Okuyama, Daisuke*; Ishiwata, Shintaro*; Fujioka, Jun*; Fukuda, Tatsuo; Hashizume, Daisuke*; Kagawa, Fumitaka*; Takahashi, Yoichiro*; Shimano, Ryo*; et al.

Physica B; Condensed Matter, 407(11), p.1685 - 1688, 2012/06

 Times Cited Count:5 Percentile:23.98(Physics, Condensed Matter)

Journal Articles

Multiferroic $$M$$-type hexaferrites with a room-temperature conical state and magnetically controllable spin helicity

Tokunaga, Yusuke*; Kaneko, Yoshio*; Okuyama, Daisuke*; Ishiwata, Shintaro*; Arima, Takahisa*; Wakimoto, Shuichi; Kakurai, Kazuhisa; Taguchi, Yasujiro*; Tokura, Yoshinori*

Physical Review Letters, 105(25), p.257201_1 - 257201_4, 2010/12

 Times Cited Count:267 Percentile:98.34(Physics, Multidisciplinary)

Journal Articles

Neutron diffraction studies on the multiferroic conical magnet Ba$$_{2}$$Mg$$_{2}$$Fe$$_{12}$$O$$_{22}$$

Ishiwata, Shintaro*; Okuyama, Daisuke*; Kakurai, Kazuhisa; Nishi, Masakazu*; Taguchi, Yasujiro*; Tokura, Yoshinori*

Physical Review B, 81(17), p.174418_1 - 174418_8, 2010/05

 Times Cited Count:77 Percentile:91.21(Materials Science, Multidisciplinary)

Journal Articles

Resonant magnetic X-ray diffraction study on the successive metamagnetic transitions of TbB$$_4$$ up to 30T

Inami, Toshiya; Owada, Kenji; Matsuda, Yasuhiro*; Ouyang, Z. W.*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Okuyama, Daisuke*; Murakami, Yoichi*

Journal of Physics; Conference Series, 211, p.012010_1 - 012010_6, 2010/02

 Times Cited Count:3 Percentile:75.85(Physics, Applied)

Journal Articles

Resonant magnetic X-ray diffraction study on successive metamagnetic transitions in TbB$$_4$$

Inami, Toshiya; Owada, Kenji; Matsuda, Yasuhiro*; Ouyang, Z. W.*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Okuyama, Daisuke*; Murakami, Yoichi*

Journal of the Physical Society of Japan, 78(3), p.033707_1 - 033707_4, 2009/03

 Times Cited Count:16 Percentile:65.77(Physics, Multidisciplinary)

Oral presentation

Resonant X-ray diffraction experiments of TbB$$_4$$ under strong pulsed magnetic fields

Inami, Toshiya; Owada, Kenji; Matsuda, Yasuhiro*; Nojiri, Hiroyuki*; Okuyama, Daisuke*; Matsumura, Takeshi*; Murakami, Yoichi*

no journal, , 

no abstracts in English

Oral presentation

A Study of multi-step magnetization process of TbB$$_4$$

Inami, Toshiya; Owada, Kenji; Ouyang, Z. W.*; Matsuda, Yasuhiro*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Okuyama, Daisuke*; Murakami, Yoichi*

no journal, , 

no abstracts in English

Oral presentation

Resonant magnetic X-ray diffraction study under pulsed high magnetic field

Inami, Toshiya; Owada, Kenji; Matsuda, Yasuhiro*; Ouyang, Z. W.*; Nojiri, Hiroyuki*; Matsumura, Takeshi*; Okuyama, Daisuke*; Murakami, Yoichi*

no journal, , 

Oral presentation

Polarized neutron diffraction studies on magnetic-field-induced ferroelectric phase in helimagnet Ba$$_{2}$$Mg$$_{2}$$Fe$$_{12}$$O$$_{22}$$

Ishiwata, Shintaro*; Okuyama, Daisuke*; Kakurai, Kazuhisa; Nishi, Masakazu*; Taguchi, Yasujiro*; Tokura, Yoshinori*

no journal, , 

no abstracts in English

Oral presentation

Neutron scattering activities on multiferroic systems; Neutron diffraction experiments on hexaferrites

Kakurai, Kazuhisa; Wakimoto, Shuichi; Ishiwata, Shintaro*; Okuyama, Daisuke*; Nishi, Masakazu*; Tokunaga, Yusuke*; Arima, Takahisa*; Taguchi, Yasujiro*; Tokura, Yoshiki*

no journal, , 

Oral presentation

Study of complex magnetic structures in frustrated magnets by means of polarized neutrons

Kakurai, Kazuhisa; Wakimoto, Shuichi; Matsuda, Masaaki*; Ishiwata, Shintaro*; Okuyama, Daisuke*; Taguchi, Yasujiro*; Tokura, Yoshiki*; Nishi, Masakazu*; Nakajima, Taro*; Mitsuda, Setsuo*; et al.

no journal, , 

Oral presentation

The Dose-reduction activity of the lens of the eye at Tokai Reprocessing Plant

Nishino, Saki; Nemoto, Ryo*; Hayashi, Hiroyuki*; Kobayashi, Daisuke; Isomae, Hidemi; Sakuma, Shuhei; Takimoto, Misaki; Okuyama, Shun; Unno, Motoyoshi; Kitao, Takahiko

no journal, , 

At the JAEA Tokai Reprocessing facility, especially workers engaged in Plutonium Conversion Development Facility (PCDF) are required strict radiation control due to working environment handling various nuclear material including plutonium (Pu) at short range. Because the equivalent dose limit of the lens of the eye stipulated by Japanese regulations has been revised downwards, we reassessed personal dose equivalent focusing on the lens of the worker's eye. The reassessment results indicate that wearing the appropriate radiation protection glasses is necessary for some workers who handle Pu including waste material in PCDF. Radiation management using protective glasses has started under revised radiation control plan.

14 (Records 1-14 displayed on this page)
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