Publications by authors named "Tetsuya Akashi"

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Simultaneous observation of multiple interferograms with Mach-Zehnder type electron interferometer on a 1.2-MV field-emission transmission electron microscope.
Tetsuya Akashi, Yoshio Takahashi, Ken Harada

Microscopy (Oxf)· January 2025

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Removal of phase residues in electron holography.
Yoshio Takahashi, Tetsuya Akashi, Toshiaki Tanigaki

Microscopy (Oxf)· July 2024

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Electron holography observation of individual ferrimagnetic lattice planes.
Toshiaki Tanigaki, Tetsuya Akashi, Takaho Yoshida, Ken Harada, Kazuo Ishizuka

Nature· July 2024

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Bloch Point Quadrupole Constituting Hybrid Topological Strings Revealed with Electron Holographic Vector Field Tomography.
Fehmi Sami Yasin, Jan Masell, Yoshio Takahashi, Tetsuya Akashi, Norio Baba

Adv Mater· April 2024

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Nonmagnetic framboid and associated iron nanoparticles with a space-weathered feature from asteroid Ryugu.
Yuki Kimura, Takeharu Kato, Satoshi Anada, Ryuji Yoshida, Kazuo Yamamoto, Tetsuya Akashi

Nat Commun· April 2024

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Visualization of nanoscale magnetic domain states in the asteroid Ryugu.
Yuki Kimura, Takeharu Kato, Toshiaki Tanigaki, Tetsuya Akashi, Hiroto Kasai

Sci Rep· August 2023

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Direct identification of the charge state in a single platinum nanoparticle on titanium oxide.
Ryotaro Aso, Hajime Hojo, Yoshio Takahashi, Tetsuya Akashi, Yoshihiro Midoh

Science· October 2022

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Higher-order structure of barley chromosomes observed by electron tomography.
Misa Hayashida, Channarong Sartsanga, Rinyaporn Phengchat, Marek Malac, Ken Harada, Tetsuya Akashi

Micron· September 2022

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Analysis of spatial point patterns in electron-counting images.
Tetsuji Kodama, Yusuke Nakashima, Tetsuya Akashi, Yoshio Takahashi, Shigeo Mori

Microscopy (Oxf)· June 2022

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Improved efficiency in automated acquisition of ultra-high-resolution electron holograms using automated target detection.
Fumiaki Ichihashi, Toshiaki Tanigaki, Tetsuya Akashi, Yoshio Takahashi, Kohei Kusada

Microscopy (Oxf)· November 2021

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Higher-Order Structure of Human Chromosomes Observed by Electron Diffraction and Electron Tomography.
Misa Hayashida, Rinyaporn Phengchat, Marek Malac, Ken Harada, Tetsuya Akashi

Microsc Microanal· February 2021

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Development of a Mach-Zehnder type electron interferometer on a 1.2-MV field-emission transmission electron microscope.
Tetsuya Akashi, Yoshio Takahashi, Ken Harada

Microscopy (Oxf)· December 2020

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Automated acquisition of vast numbers of electron holograms with atomic-scale phase information.
Yoshio Takahashi, Tetsuya Akashi, Atsuko Sato, Toshiaki Tanigaki, Hiroyuki Shinada

Microscopy (Oxf)· April 2020

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Beam brightness and its reduction in a 1.2-MV cold field-emission transmission electron microscope.
Takeshi Kawasaki, Tetsuya Akashi, Keigo Kasuya, Hiroyuki Shinada

Ultramicroscopy· July 2019

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Electron holography on Fraunhofer diffraction.
Ken Harada, Kodai Niitsu, Keiko Shimada, Tetsuji Kodama, Tetsuya Akashi

Microscopy (Oxf)· June 2019

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A 0.5-T pure-in-plane-field magnetizing holder for in-situ Lorentz microscopy.
Akira Sugawara, Tomokazu Shimakura, Hiroyuki Nishihara, Tetsuya Akashi, Yoshio Takahashi

Ultramicroscopy· February 2019

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Illumination semiangle of 10-9 rad achieved in a 1.2-MV atomic resolution holography transmission electron microscope.
Tetsuya Akashi, Yoshio Takahashi, Ken Harada, Toshio Onai, Yoshimasa A Ono

Microscopy (Oxf)· October 2018

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Current-Driven Motion of Domain Boundaries between Skyrmion Lattice and Helical Magnetic Structure.
Kiyou Shibata, Toshiaki Tanigaki, Tetsuya Akashi, Hiroyuki Shinada, Ken Harada

Nano Lett· February 2018

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Interference experiment with asymmetric double slit by using 1.2-MV field emission transmission electron microscope.
Ken Harada, Tetsuya Akashi, Kodai Niitsu, Keiko Shimada, Yoshimasa A Ono

Sci Rep· January 2018

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Magnetic field observations in CoFeB/Ta layers with 0.67-nm resolution by electron holography.
Toshiaki Tanigaki, Tetsuya Akashi, Akira Sugawara, Katsuya Miura, Jun Hayakawa

Sci Rep· December 2017

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Information transfer of 25.5 nm-1 in a 1-MV field-emission transmission electron microscope.
Tetsuya Akashi, Yoshio Takahashi, Toshio Onai, Hiroto Kasai, Hiroyuki Shinada

Microscopy (Oxf)· August 2016

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Three-dimensional observation of magnetic vortex cores in stacked ferromagnetic discs.
Toshiaki Tanigaki, Yoshio Takahashi, Tomokazu Shimakura, Tetsuya Akashi, Ruriko Tsuneta

Nano Lett· February 2015

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Observation of the magnetic flux and three-dimensional structure of skyrmion lattices by electron holography.
Hyun Soon Park, Xiuzhen Yu, Shinji Aizawa, Toshiaki Tanigaki, Tetsuya Akashi

Nat Nanotechnol· May 2014

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Electron holography study of magnetization behavior in the writer pole of a perpendicular magnetic recording head by a 1 MV transmission electron microscope.
Kei Hirata, Yoichi Ishida, Tetsuya Akashi, Daisuke Shindo, Akira Tonomura

J Electron Microsc (Tokyo)· March 2013

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Direct observation of rectified motion of vortices in a niobium superconductor.
Yoshihiko Togawa, Ken Harada, Tetsuya Akashi, Hiroto Kasai, Tsuyoshi Matsuda

Phys Rev Lett· August 2005

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