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Takashi Kimura
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Journal Articles

Chemical-state imaging of a mammalian cell through multi-elemental soft x-ray spectro-ptychography

Open Access
Kai Sakurai, Yoko Takeo, Shunki Takaramoto, Noboru Furuya, Kyota Yoshinaga, Takenori Shimamura, Jordan T. O'Neal, Yu Nakata, Satoru Egawa, Kazuyoshi Yoshimi, Haruhiko Ohashi, Hidekazu Mimura, Yoshihisa Harada, Keiichi Inoue, Mari Shimura, Takashi Kimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 043702 (2025)
https://doi.org/10.1063/5.0237804
Published: January 2025
View articletitled, Chemical-state imaging of a mammalian cell through multi-elemental soft x-ray spectro-ptychography
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Journal Articles

Multi-aperture grating for spectroscopic and microscopic imaging with single-shot x-ray pulse

Free
Yoko Takeo, Satoru Egawa, Noboru Furuya, Kai Sakurai, Shigeki Owada, Makina Yabashi, Takashi Kimura
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2990, 030004 (2023)
https://doi.org/10.1063/5.0175475
Published: September 2023
View articletitled, Multi-aperture grating for spectroscopic and microscopic imaging with single-shot x-ray pulse
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Journal Articles

Fabrication of ultrashort sub-meter-radius x-ray mirrors using dynamic stencil deposition with figure correction

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Takenori Shimamura, Yoko Takeo, Takashi Kimura, François Perrin, Amparo Vivo, Yasunori Senba, Hikaru Kishimoto, Haruhiko Ohashi, Hidekazu Mimura
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 94, 043102 (2023)
https://doi.org/10.1063/5.0135367
Published: April 2023
View articletitled, Fabrication of ultrashort sub-meter-radius x-ray mirrors using dynamic stencil deposition with figure correction
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Journal Articles

Significant suppression of galvanomagnetic signal under dynamical spin injection in CoFeB/Pt bilayer

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Sora Obinata, Kohei Ohnishi, Takashi Kimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 152401 (2021)
https://doi.org/10.1063/5.0046601
Published: April 2021
View articletitled, Significant suppression of galvanomagnetic signal under dynamical spin injection in CoFeB/Pt bilayer
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Journal Articles

A highly efficient nanofocusing system for soft x rays

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Yoko Takeo, Hiroto Motoyama, Takenori Shimamura, Takashi Kimura, Takehiro Kume, Yusuke Matsuzawa, Takahiro Saito, Yoichi Imamura, Hiroaki Miyashita, Kentaro Hiraguri, Hirokazu Hashizume, Yasunori Senba, Hikaru Kishimoto, Haruhiko Ohashi, Hidekazu Mimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 151104 (2020)
https://doi.org/10.1063/5.0027118
Published: October 2020
View articletitled, A highly efficient nanofocusing system for soft x rays
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Includes: Supplementary data
Journal Articles

Micro-liquid enclosure array and its semi-automated assembling system for x-ray free-electron laser diffractive imaging of samples in solution

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Takashi Kimura, Akihiro Suzuki, Ying Yang, Yoshiya Niida, Akiko Nishioka, Masashi Takei, Jinjian Wei, Hideyuki Mitomo, Yasutaka Matsuo, Kenichi Niikura, Kuniharu Ijiro, Kensuke Tono, Makina Yabashi, Tetsuya Ishikawa, Tairo Oshima, Yoshitaka Bessho, Yasumasa Joti, Yoshinori Nishino
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 083706 (2020)
https://doi.org/10.1063/5.0008398
Published: August 2020
View articletitled, Micro-liquid enclosure array and its semi-automated assembling system for x-ray free-electron laser diffractive imaging of samples in solution
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Journal Articles

Mg diffusion and activation along threading dislocations in GaN

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Wei Yi, Ashutosh Kumar, Jun Uzuhashi, Takashi Kimura, Ryo Tanaka, Shinya Takashima, Masaharu Edo, Yongzhao Yao, Yukari Ishikawa, Jun Chen, Tadakatsu Ohkubo, Takashi Sekiguchi, Kazuhiro Hono
Journal: Applied Physics Letters
Appl. Phys. Lett. 116, 242103 (2020)
https://doi.org/10.1063/5.0009596
Published: June 2020
View articletitled, Mg diffusion and activation along threading dislocations in GaN
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Journal Articles

XFEL coherent diffraction imaging for weakly scattering particles using heterodyne interference

Open Access
Chi-Feng Huang, Wei-Hau Chang, Ting-Kuo Lee, Yasumasa Joti, Yoshinori Nishino, Takashi Kimura, Akihiro Suzuki, Yoshitaka Bessho, Tsung-Tse Lee, Mei-Chun Chen, Shun-Min Yang, Yeukuang Hwu, Shih-Hsin Huang, Po-Nan Li, Peilin Chen, Yung-Chieh Tseng, Che Ma, Tsui-Ling Hsu, Chi-Huey Wong, Kensuke Tono, Tetsuya Ishikawa, Keng S. Liang
Journal: AIP Advances
AIP Advances 10, 055219 (2020)
https://doi.org/10.1063/1.5129406
Published: May 2020
View articletitled, XFEL coherent diffraction imaging for weakly scattering particles using heterodyne interference
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Journal Articles

Geometrical dependence of spin current absorption into a ferromagnetic nanodot

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Tatsuya Nomura, Kohei Ohnishi, Takashi Kimura
Journal: Journal of Applied Physics
J. Appl. Phys. 120, 142121 (2016)
https://doi.org/10.1063/1.4961975
Published: September 2016
View articletitled, Geometrical dependence of spin current absorption into a ferromagnetic nanodot
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Journal Articles

Large spin current injection in nano-pillar-based lateral spin valve

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Tatsuya Nomura, Kohei Ohnishi, Takashi Kimura
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1763, 020011 (2016)
https://doi.org/10.1063/1.4961344
Published: August 2016
View articletitled, Large spin current injection in nano-pillar-based lateral spin valve
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Journal Articles

Laterally configured resistive switching device based on transition-metal nano-gap electrode on Gd oxide

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Masatoshi Kawakita, Kyota Okabe, Takashi Kimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 023101 (2016)
https://doi.org/10.1063/1.4939683
Published: January 2016
View articletitled, Laterally configured resistive switching device based on transition-metal nano-gap electrode on Gd oxide
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Journal Articles

Heat dissipation due to ferromagnetic resonance in a ferromagnetic metal monitored by electrical resistance measurement

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Kazuto Yamanoi, Yuki Yokotani, Takashi Kimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 182410 (2015)
https://doi.org/10.1063/1.4935243
Published: November 2015
View articletitled, Heat dissipation due to ferromagnetic resonance in a ferromagnetic metal monitored by electrical resistance measurement
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Journal Articles

Spin currents injected electrically and thermally from highly spin polarized Co2MnSi

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Alexander Pfeiffer, Shaojie Hu, Robert M. Reeve, Alexander Kronenberg, Martin Jourdan, Takashi Kimura, Mathias Kläui
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 082401 (2015)
https://doi.org/10.1063/1.4929423
Published: August 2015
View articletitled, Spin currents injected electrically and thermally from highly spin polarized Co2MnSi
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Journal Articles

Hard X-ray nanofocusing using adaptive focusing optics based on piezoelectric deformable mirrors

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Takumi Goto, Hiroki Nakamori, Takashi Kimura, Yasuhisa Sano, Yoshiki Kohmura, Kenji Tamasaku, Makina Yabashi, Tetsuya Ishikawa, Kazuto Yamauchi, Satoshi Matsuyama
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 86, 043102 (2015)
https://doi.org/10.1063/1.4916617
Published: April 2015
View articletitled, Hard X-ray nanofocusing using adaptive focusing optics based on piezoelectric deformable mirrors
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Includes: Supplementary data
Journal Articles

Detection of a vortex nucleation position in a circular ferromagnet using asymmetrically configured electrodes

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Xiaomin Cui, Shaojie Hu, Takashi Kimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 082403 (2014)
https://doi.org/10.1063/1.4894216
Published: August 2014
View articletitled, Detection of a vortex nucleation position in a circular ferromagnet using asymmetrically configured electrodes
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Journal Articles

Geometrical optimization of a local ballistic magnetic sensor

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Yuhsuke Kanda, Tatsuya Nomura, Takashi Kimura, Masahiro Hara
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 142408 (2014)
https://doi.org/10.1063/1.4871002
Published: April 2014
View articletitled, Geometrical optimization of a local ballistic magnetic sensor
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Journal Articles

Thermo-electric effect in a nano-sized crossed Permalloy/Cu junction under high bias current

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Congpu Mu, Shaojie Hu, Jianbo Wang, Takashi Kimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 103, 132408 (2013)
https://doi.org/10.1063/1.4822330
Published: September 2013
View articletitled, Thermo-electric effect in a nano-sized crossed Permalloy/Cu junction under high bias current
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Journal Articles

Detection of edge magnetic state by a ballistic bend resistance measurement

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Takahiro Matsunaga, Kohsuke Furukawa, Yuhsuke Kanda, Masahiro Hara, Tatsuya Nomura, Takashi Kimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 252405 (2013)
https://doi.org/10.1063/1.4812729
Published: June 2013
View articletitled, Detection of edge magnetic state by a ballistic bend resistance measurement
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Journal Articles

Experimental and simulation study of undesirable short-period deformation in piezoelectric deformable x-ray mirrors

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Hiroki Nakamori, Satoshi Matsuyama, Shota Imai, Takashi Kimura, Yasuhisa Sano, Yoshiki Kohmura, Kenji Tamasaku, Makina Yabashi, Tetsuya Ishikawa, Kazuto Yamauchi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 83, 053701 (2012)
https://doi.org/10.1063/1.4709499
Published: May 2012
View articletitled, Experimental and simulation study of undesirable short-period deformation in piezoelectric deformable x-ray mirrors
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Journal Articles

Wavefield characterization of nearly diffraction-limited focused hard x-ray beam with size less than 10 nm

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Takashi Kimura, Hidekazu Mimura, Soichiro Handa, Hirokatsu Yumoto, Hikaru Yokoyama, Shota Imai, Satoshi Matsuyama, Yasuhisa Sano, Kenji Tamasaku, Yoshiki Komura, Yoshinori Nishino, Makina Yabashi, Tetsuya Ishikawa, Kazuto Yamauchi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 81, 123704 (2010)
https://doi.org/10.1063/1.3509384
Published: December 2010
View articletitled, Wavefield characterization of nearly diffraction-limited focused hard x-ray beam with size less than 10 nm
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