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Journal Articles

Accurate structure analyses of polymer crystals on the basis of wide-angle X-ray and neutron diffractions

Tashiro, Koji*; Hanesaka, Makoto*; Yamamoto, Hiroko*; Wasanasuk, K.*; Jayaratri, P.*; Yoshizawa, Yoshinori*; Tanaka, Ichiro*; Niimura, Nobuo*; Kusaka, Katsuhiro*; Hosoya, Takaaki*; et al.

Kobunshi Rombunshu, 71(11), p.508 - 526, 2014/11

 Times Cited Count:5 Percentile:21.37(Polymer Science)

The crystal structure analysis of various polymer substances has been reviewed on the basis of wide-angle high-energy X-ray and neutron diffraction data. The progress in structural analytical techniques of polymer crystals have been reviewed at first. The structural models proposed so far were reinvestigated and new models have been proposed for various kinds of polymer crystals including polyethylene, poly(vinyl alcohol), poly(lactic acid) and its stereocomplex etc. The hydrogen atomic positions were also clarified by the quantitative analysis of wide-angle neutron diffraction data, from which the physical properties of polymer crystals have been evaluated theoretically. The bonded electron density distribution has been estimated for a polydiacetylene single crystal on the basis of the so-called X-N method or by the combination of structural information derived from X-ray and neutron diffraction data analysis. Some comments have been added about future developments in the field of structure-property relationship determination.

Journal Articles

Microscopic magnetic property of perpendicular magnetic films of Dy$$_{x}$$Co$$_{100-x}$$ measured using soft X-ray magnetic circular dichroism

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

Journal of Physics and Chemistry of Solids, 68(11), p.2148 - 2152, 2007/11

 Times Cited Count:9 Percentile:42.78(Chemistry, Multidisciplinary)

no abstracts in English

Journal Articles

Incident angle dependence of MCD at the Dy $$M$$$$_{5}$$-edge of perpendicular magnetic Dy$$_{x}$$Co$$_{100-x}$$ films

Agui, Akane; Mizumaki, Masaichiro*; Asahi, Toru*; Sayama, Junichi*; Matsumoto, Koji*; Morikawa, Tsuyoshi*; Matsushita, Tomohiro*; Osaka, Tetsuya*; Miura, Yoshimasa*

Journal of Alloys and Compounds, 408-412, p.741 - 745, 2006/02

 Times Cited Count:7 Percentile:47.76(Chemistry, Physical)

no abstracts in English

Journal Articles

MCD measurement at the Tb $$M$$$$_{4,5}$$-edges of Tb$$_{17}$$Fe$$_{x}$$Co$$_{(83-x)}$$ perpendicular magnetization films

Agui, Akane; Mizumaki, Masaichiro*; Asahi, Toru*; Sayama, Junichi*; Matsumoto, Koji*; Morikawa, Tsuyoshi*; Nakatani, Takeshi; Matsushita, Tomohiro*; Osaka, Tetsuya*; Miura, Yoshimasa*

Transactions of the Magnetics Society of Japan, 4(4-2), p.326 - 329, 2004/11

The electronic and spin state of the perpendicular magnetization film Tb$$_{17}$$Fe$$_{x}$$Co$$_{(83-x)}$$ was investigated by means of magnetic circular dichroism spectroscopy for each element. The samples are Tb$$_{17}$$Fe$$_{x}$$Co$$_{(83-x)}$$ while the ratio of a rare-earth metal Tb to transition metals Fe and Co is constant, the composition ratio of Fe and Co is changed. Changing the ratio, we estimated the expected orbital moments $$<$$$$L$$$$_{z}$$$$>$$ of Tb 4f electrons. The macroscopic magnetic property is studied from the microscopic point of view.

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

Oral presentation

The X-ray magnetic circular dichroism study of Dy$$_{x}$$Co$$_{100-x}$$ perpendicular magnetic films

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

no journal, , 

no abstracts in English

Oral presentation

Tb M5 and Co L3 magnetic circular dichroism hysteresis of Tb-Co perpendicular magnetization films

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

no journal, , 

no abstracts in English

9 (Records 1-9 displayed on this page)
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