Výsledky vyhledávání - "Tohru NAKAMURA"

Akademický článek

Breakdown Characteristics of GaN DMISFETs Fabricated via Mg, Si and N Triple Ion Implantation

Autor: Tohru Nakamura, Michitaka Yoshino, Toru Toyabe, Akira Yasuda

Publikováno v: Micromachines, Vol 15, Iss 1, p 147 (2024)

Mg-ion-implanted layers in a GaN substrate after annealing were investigated. Implanted Mg atoms precipitated along the edges of crystal defects were observed using 3D-APT. The breakdown characteristics of a GaN double-diffused vertical MISFET (DMISF

Externí odkaz: https://doaj.org/article/27fe2a5690bb448fb62018d92f752d8f

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Akademický článek

Asymptotic stability of degenerate stationary solution to a system of viscousconservation laws in half line

Autor: Tohru Nakamura

Publikováno v: AIMS Mathematics, Vol 3, Iss 1, Pp 35-43 (2018)

In this paper, we study a system of viscous conservation laws given by a form of a symmetricparabolic system. We consider the system in the one-dimensional half space and show existence ofa degenerate stationary solution which exists in the case that

Externí odkaz: https://doaj.org/article/32a7afc1dbc44a1d85a9f402ffd49706

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Akademický článek

Fully Ion Implanted Normally-Off GaN DMOSFETs with ALD-Al2O3 Gate Dielectrics

Autor: Michitaka Yoshino, Yuto Ando, Manato Deki, Toru Toyabe, Kazuo Kuriyama, Yoshio Honda, Tomoaki Nishimura, Hiroshi Amano, Tetsu Kachi, Tohru Nakamura

Publikováno v: Materials, Vol 12, Iss 5, p 689 (2019)

A normally-off GaN double-implanted vertical MOSFET (DMOSFET) with an atomic layer deposition (ALD)-Al2O3 gate dielectric film on a free-standing GaN substrate fabricated by triple ion implantation is presented. The DMOSFET was formed with Si ion imp

Externí odkaz: https://doaj.org/article/c0c7d8fa188f485fa1966546de2c04bd

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Akademický článek

No Associations Found between PGBD1 and the Age of Onset in Japanese Patients Diagnosed with Sporadic Alzheimer’s Disease

Autor: Tohru Ohnuma, Tohru Nakamura, Yuto Takebayashi, Ryo Hanzawa, Maiko Kitazawa, Ryoko Higashiyama, Mayu Takeda, Katrin Thompson, Miwa Komatsu, Hiromi Shimazaki, Nobuto Shibata, Heii Arai

Publikováno v: Dementia and Geriatric Cognitive Disorders Extra, Vol 2, Iss 1, Pp 496-502 (2012)

Background/Aims: PiggyBac transposable element derived 1 (PGBD1) encodes a molecule involved in epigenetic mechanisms that have been implicated in Alzheimer’s disease (AD), and recent genome-wide association studies and meta-analyses have indicated

Externí odkaz: https://doaj.org/article/8703d06e5ac0484191a653f5cbd09579

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Akademický článek

Possible precursor to the March 11, 2011, Japan earthquake: ionospheric perturbations as seen by subionospheric very low frequency/low frequency propagation

Autor: Jun Izutsu, Hiroki Yamaguchi, Kenji Ohta, Yoshihiro Yasuda, Yasuhide Hobara, Masashi Hayakawa, Tohru Nakamura

Publikováno v: Annals of Geophysics, Vol 55, Iss 1 (2012)

This study reports on a possible very low frequency/low frequency (VLF/LF) subionospheric precursor to a recent earthquake in Japan. As the epicenter of this large Japanese earthquake on March 11, 2011, was located just on the great-circle path from

Externí odkaz: https://doaj.org/article/e5757b2c3f3e4f3590e33e40c4cfd855

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Akademický článek

The Ionospheric Precursor to the 2011 March 11 Earthquake Based upon Observations Obtained from the Japan-Pacific Subionospheric VLF/LF Network

Autor: Masashi Hayakawa, Yasuhide Hobara, Alexander Rozhnoi, Maria Solovieva, Kenji Ohta, Jun Izutsu, Tohru Nakamura, Yasushi Kasahara

Publikováno v: Terrestrial, Atmospheric and Oceanic Sciences, Vol 24, Iss 3, p 393 (2013)

By using network observation of subionospheric VLF (very low frequency)/LF (low frequency) signals in Japan and in Russia, we have found a significant ionospheric perturbation prior to the recent 2011 March 11 Japan earthquake (EQ) which occurred at

Externí odkaz: https://doaj.org/article/fe1c5da67ac54c1bad78db9fd2da2194

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