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小林 泰彦; 舟山 知夫; 浜田 信行*; 坂下 哲哉; 小西 輝昭*; 今関 等*; 安田 啓介*; 畑下 昌範*; 高城 啓一*; 羽鳥 聡*; et al.
Journal of Radiation Research, 50(Suppl.A), p.A29 - A47, 2009/03
被引用回数：38 パーセンタイル：72.75(Biology)In order to study the radiobiological effects of low dose radiation, microbeam irradiation facilities have been developed in the world. This type of facilities now becomes an essential tool for studying bystander effects and relating signaling phenomena in cells or tissues. This review introduces you available microbeam facilities in Japan and in China, to promote radiobiology using microbeam probe and to encourage collaborative research between radiobiologists interested in using microbeam in Japan and in China.
O
thin films exhibiting photoinduced magnetization小林 正起*; 大木 康弘*; 滝沢 優*; Song, G. S.*; 藤森 淳; 竹田 幸治; 寺井 恒太*; 岡根 哲夫; 藤森 伸一; 斎藤 祐児; et al.
Applied Physics Letters, 92(8), p.082502_1 - 082502_3, 2008/02
被引用回数：12 パーセンタイル：44.62(Physics, Applied)By means of photoemission and X-ray absorption spectroscopy, we have studied the electronic structure of (Ni,Zn,Fe,Ti)
O
thin films, which exhibits a cluster glass behavior with a spin-freezing temperature 
of 
K and photo-induced magnetization (PIM) below . The Ni and Zn ions were found to be in the divalent states. Most of the Fe and Ti ions in the thin films were trivalent (Fe
) and tetravalent (Ti
), respectively. While Ti doping did not affect the valence states of the Ni and Zn ions, a small amount of Fe
ions increased with Ti concentration, consistent with the proposed charge-transfer mechanism of PIM.
