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Morito Akiyama

japan science & technology agency (jst)

45H指数
236论文数
9.1K被引数
收录论文 72
发表时间
Effect of Si addition on polarity inversion in scandium aluminum nitride piezoelectric thin films
err2025-03-01
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PREAI
errAnggraini, Sri Ayu; Uehara, Masato; Hirata, Kenji; Motomura, Taisei; Yamada, Hiroshi; Akiyama, Morito
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Enhancing the piezoelectric performance of nitride thin films through interfacial engineering通过界面工程增强氮化物薄膜的压电性能
err2025-01-01
err1
PREAI
errHirata, Kenji; Niitsu, Kodai; Anggraini, Sri Ayu; Kageura, Taisuke; Uehara, Masato; Yamada, Hiroshi; Akiyama, Morito
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Excellent piezoelectric and ferroelectric properties of ScxGa1-xN alloy with high Sc concentration
err2024-12-02
err0
errOAAI
errUehara, Masato; Hirata, Kenji; Nakamura, Yoshiko; Anggraini, Sri Ayu; Okamoto, Kazuki; Yamada, Hiroshi; Funakubo, Hiroshi; Akiyama, Morito
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Invariant polarization switching kinetics in an (Al0.8Sc0.2)N film with frequency and temperature
err2023-11-13
err7
PREAI
errYasuoka, Shinnosuke; Mizutani, Ryoichi; Ota, Reika; Shiraishi, Takahisa; Shimizu, Takao; Okamoto, Kazuki; Uehara, Masato; Yamada, Hiroshi; Akiyama, Morito; Funakubo, Hiroshi
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Tunable Ferroelectric Properties in Wurtzite (Al0.8Sc0.2)N via Crystal Anisotropy
err2022-10-24
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PREAI
errYasuoka, Shinnosuke; Mizutani, Ryoichi; Ota, Reika; Shiraishi, Takahisa; Shimizu, Takao; Uehara, Masato; Yamada, Hiroshi; Akiyama, Morito; Funakubo, Hiroshi
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Spontaneous Polarization and Polarization-Induced Electron Sheet Charge of YbAlN on GaN: A First-Principles Study
err2022-09-15
err0
errOAAI
errHirata, Kenji; Kawano, Shoya; Yamada, Hiroshi; Uehara, Masato; Anggraini, Sri Ayu; Akiyama, Morito
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Demonstration of ferroelectricity in ScGaN thin film using sputtering method
err2021-10-26
err23
PREAI
errUehara, Masato; Mizutani, Ryoichi; Yasuoka, Shinnosuke; Shiraishi, Takahisa; Shimizu, Takao; Yamada, Hiroshi; Akiyama, Morito; Funakubo, Hiroshi
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Preparation of YbAlN piezoelectric thin film by sputtering and influence of Yb concentration on properties and crystal structure
err2021-06-01
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errOAAI
errUehara, Masato; Amano, Yuki; Anggraini, Sri Ayu; Hirata, Kenji; Yamada, Hiroshi; Akiyama, Morito
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Significant Enhancement of Piezoelectric Response in AlN by Yb Addition
err2021-01-09
err22
errOAAI
errHirata, Kenji; Mori, Yuto; Yamada, Hiroshi; Uehara, Masato; Anggraini, Sri Ayu; Akiyama, Morito
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Polarity Inversion of Aluminum Nitride Thin Films by using Si and MgSi Dopants
err2020-03-09
err26
errOAAI
errAnggraini, Sri Ayu; Uehara, Masato; Hirata, Kenji; Yamada, Hiroshi; Akiyama, Morito
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Effects of different divalent cations in mTi-based codopants (m = Mg or Zn) on the piezoelectric properties of AlN thin films
err2020-02-01
err15
PREAI
errAnggraini, Sri Ayu; Uehara, Masato; Hirata, Kenji; Yamada, Hiroshi; Akiyama, Morito
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First-Principles Study of Piezoelectric Properties and Bonding Analysis in (Mg, X, Al)N Solid Solutions (X = Nb, Ti, Zr, Hf)
err2019-09-04
err45
errOAAI
errHirata, Kenji; Yamada, Hiroshi; Uehara, Masato; Anggraini, Sri Ayu; Akiyama, Morito
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Increase in the piezoelectric response of scandium-doped gallium nitride thin films sputtered using a metal interlayer for piezo MEMS
err2019-01-04
err24
PREAI
errUehara, Masato; Mizuno, Takaaki; Aida, Yasuhiro; Yamada, Hiroshi; Umeda, Keiichi; Akiyama, Morito
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Mg and Ti codoping effect on the piezoelectric response of aluminum nitride thin films
err2019-01-01
err22
PREAI
errAnggraini, Sri Ayu; Uehara, Masato; Yamada, Hiroshi; Akiyama, Morito
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Giant increase in piezoelectric coefficient of AlN by Mg-Nb simultaneous addition and multiple chemical states of Nb
err2017-09-11
err58
PREAI
errUehara, Masato; Shigemoto, Hokuto; Fujio, Yuki; Nagase, Toshimi; Aida, Yasuhiro; Umeda, Keiichi; Akiyama, Morito
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Production of radio frequency magnetron plasma by monopole arrangement of magnets for target uniform utilization
errVACUUM
IF3.9
err2014-03-01
err15
PREAI
errOhtsu, Yasunori; Shigyo, Masakazu; Akiyama, Morito; Tabaru, Tatsuo
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