Index Catalog // MDR

Description/Abstract:: Enhancement of energy resolution due to evolution of monochromators has made electron energy loss spectroscopy (EELS) in transmission ele...
Keyword:: 4D-STEM, ABF-STEM, EELS, GaN, HAADF-STEM, HAXPES, and defect
Resource Type:: Article
Author:: Shunsuke Yamashita, Sei Fukushima, Jun Kikkawa, Ryoji Arai, Yuya Kanitani, Koji Kimoto, and Yoshihiro Kudo
Journal:: APL Materials
Date Uploaded:: 19/03/2024

Description/Abstract:: We demonstrated epitaxial lateral overgrowth of a-Ga2O3 by halide vapor phase epitaxy. We formed stripe patterned or triangular lattice d...
Keyword:: ELO, HVPE, dislocation, and α-Ga2O3
Resource Type:: Article
Author:: Y. Oshima, K. Kawara, T. Shinohe, T. Hitora, M. Kasu, and S. Fujita
Journal:: APL MATERIALS
Date Uploaded:: 29/01/2024
Date Modified:: 01/02/2024

Description/Abstract:: A transverse thermoelectric generator for magnetic-field-free and high-density power generation utilizing the anomalous Nernst effect is ...
Keyword:: Energy harvesting, Infrared imaging, Magnetic materials, Thermoelectric effects, and Thermoelectric generator
Resource Type:: Article
Author:: Fuyuki Ando, Takamasa Hirai, and Ken-ichi Uchida
Journal:: APL Energy
Date Uploaded:: 26/01/2024

Description/Abstract:: We investigated the influence of the buffer material and a cryogenic temperature deposition process on the voltage-controlled magnetic an...
Keyword:: Spintronics
Resource Type:: Article
Author:: Takayuki Nozaki, Tomohiro Ichinose, Jun Uzuhashi, Tatsuya Yamamoto, Makoto Konoto, Kay Yakushiji, Tadakatsu Ohkubo, and Shinji Yuasa
Journal:: APL Materials
Date Uploaded:: 10/01/2024

Description/Abstract:: We demonstrate tunnel magnetoresistance (TMR) ratios of up to 631% at room temperature (RT) using CoFe/MgO/CoFe(001) epitaxial magnetic t...
Keyword:: MgO, TMR, epitaxial growth, magnetic tunnel junctions, spintronics, and tunnel magnetoresistance
Resource Type:: Article
Author:: Thomas Scheike, Zhenchao Wen, Hiroaki Sukegawa, and Seiji Mitani
Journal:: APPLIED PHYSICS LETTERS
Date Uploaded:: 05/01/2024

Description/Abstract:: 酸化物強誘電体Bi2WO6を用いて、Py/Bi2WO6ヘテロ構造を作製し、界面における電荷-スピン変換効率を計測した。その結果、非常に高い変換効率を示した。これは、BiやWの強いスピン軌道相互作用に起因すると予想される。
Keyword:: charge-to-spin current conversion
Resource Type:: Article
Author:: Saikat Das, Satoshi Sugimoto, Varun Kumar Kushwaha, Yusuke Kozuka, and Shinya Kasai
Journal:: APL Materials
Date Uploaded:: 02/12/2023
Date Modified:: 03/12/2023

Description/Abstract:: In this study, we dry etched SiO2-masked (001) b-Ga2O3 substrates in HCl gas flow at a high temperature without plasma excitation. The et...
Keyword:: Ga2O3, HCl, and etching
Resource Type:: Article
Author:: Takayoshi Oshima and Yuichi Oshima
Journal:: APPLIED PHYSICS LETTERS
Date Uploaded:: 21/11/2023
Date Modified:: 27/11/2023

Description/Abstract:: We used atomic-scale direct observations by transmission electron microscopy (TEM) and atom probe tomography to clarify the crystallograp...
Keyword:: atom probe tomography, gallium nitride, and transmission electron microscopy
Resource Type:: Article
Author:: Emi Kano, Keita Kataoka, Jun Uzuhashi, Kenta Chokawa, Hideki Sakurai, Akira Uedono, Tetsuo Narita, Kacper Sierakowski, Michal Bockowski, Ritsuo Otsuki, Koki Kobayashi, Yuta Itoh, Masahiro Nagao, Tadakatsu Ohkubo, Kazuhiro Hono, Jun Suda, Tetsu Kachi, and Nobuyuki Ikarashi
Journal:: JOURNAL OF APPLIED PHYSICS
Date Uploaded:: 28/09/2023
Date Modified:: 28/09/2023

Description/Abstract:: Here, we investigate the effects of O2:N2 (1:1) as ambient gas as compared with pure N2 during activation annealing of Mg as p-type dopin...
Keyword:: activation, gallium nitride, scanning transmission electron microscopy, and semiconductor
Resource Type:: Article
Author:: Ashutosh Kumar, Martin Berg, Qin Wang, Jun Uzuhashi, Tadakatsu Ohkubo, Michael Salter, and Peter Ramvall
Journal:: JOURNAL OF APPLIED PHYSICS
Date Uploaded:: 28/09/2023
Date Modified:: 28/09/2023

Description/Abstract:: Nanomechanical sensors and their arrays have been attracting significant attention for detecting, distinguishing, and identifying target ...
Keyword:: nanomechanical sensors and sorption kinetics
Resource Type:: Article
Author:: Kosuke Minami, Kota Shiba, and Genki Yoshikawa
Journal:: JOURNAL OF APPLIED PHYSICS
Date Uploaded:: 25/07/2023

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