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Journal Articles

Dynamical behavior of human $$alpha$$-synuclein studied by quasielastic neutron scattering

Fujiwara, Satoru; Araki, Katsuya*; Matsuo, Tatsuhito; Yagi, Hisashi*; Yamada, Takeshi*; Shibata, Kaoru; Mochizuki, Hideki*

PLOS ONE (Internet), 11(4), p.e0151447_1 - e0151447_17, 2016/04

 Times Cited Count:24 Percentile:65.34(Multidisciplinary Sciences)

Journal Articles

Positron annihilation study of hardening in Fe-Cu alloy during low temperature aging

Yamashita, Takako*; Katsuyama, Jinya; Sato, Kaoru*; Mizuno, Masataka*; Araki, Hideki*; Shirai, Yasuharu*

Tetsu To Hagane, 97(11), p.558 - 565, 2011/11

 Times Cited Count:0 Percentile:0.01(Metallurgy & Metallurgical Engineering)

The hardness of Fe-Cu alloys is known to increase by the precipitation of Cu clusters during thermal aging. However, the mechanism of Cu precipitation has not been clarified yet. In this study, the positron lifetime and coincidence Doppler broadening techniques have been used to investigate the recovery behavior of lattice defects such as vacancies, vacancy clusters and dislocations as well as the diffusion behavior of Cu atoms of cold rolled and thermally-aged Fe-Cu alloys. Both vacancies and dislocations caused by cold rolling were reduced through the thermally aging process. Some dislocations remained even after aging at 550$$^{circ}$$C, although the vacancies almost disappeared after aging at 300$$^{circ}$$C. Cu clusters precipitate mainly on the dislocations, where is the sinks of the vacancies, caused by the diffusion of Cu atom and vacancies.

Oral presentation

Pre-strain effect on Cu precipitation in Fe-Cu alloys studied by positron annihilation techniques

Katsuyama, Jinya; Yamano, Yuko*; Yamashita, Takako*; Mizuno, Masataka*; Araki, Hideki*; Shirai, Yasuharu*

no journal, , 

no abstracts in English

Oral presentation

Changes in the dynamics of human $$alpha$$-synuclein and its relation to propensity for amyloid fibril formation

Fujiwara, Satoru; Araki, Katsuya*; Matsuo, Tatsuhito; Yagi, Hisashi*; Yamada, Takeshi*; Shibata, Kaoru; Mochizuki, Hideki*

no journal, , 

Oral presentation

Quasielastic neutron scattering study of human $$alpha$$-synuclein; Implication for propensity for amyloid fibril formation

Fujiwara, Satoru; Araki, Katsuya*; Matsuo, Tatsuhito; Yagi, Hisashi*; Yamada, Takeshi*; Shibata, Kaoru; Mochizuki, Hideki*

no journal, , 

Oral presentation

Changes in the dynamics of human $$alpha$$-synuclein detected by neutron scattering

Fujiwara, Satoru; Araki, Katsuya*; Matsuo, Tatsuhito; Yagi, Hisashi*; Yamada, Takeshi*; Shibata, Kaoru; Mochizuki, Hideki*

no journal, , 

Oral presentation

Fabrication of Mach-Zehnder optical waveguide structures in PDMS thin films using proton beam writing

Kano, Keisuke*; Saruya, Ryota*; Kawabata, Shunsuke*; Araki, Jun*; Noguchi, Katsuya*; Kada, Wataru*; Miura, Kenta*; Kato, Hijiri*; Sato, Takahiro; Koka, Masashi; et al.

no journal, , 

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