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Materials Science

D-Index
49
Citations
11581
World Ranking
10412
National Ranking
642

Overview

Morito Akiyama is affiliated with the National Institute of Advanced Industrial Science and Technology in Japan. Their research predominantly focuses on engineering and materials science, with specific contributions to biomedical engineering, materials chemistry, condensed matter physics, mechanics of materials, and electrical and electronic engineering.

The scientist has been involved extensively in the study of acoustic wave resonator technologies and ferroelectric and piezoelectric materials. Additional research topics include GaN-based semiconductor devices and materials, metal and thin film mechanics, semiconductor materials and devices, MXene and MAX phase materials, as well as ferroelectric and negative capacitance devices.

Akiyama's work has been published frequently in the following venues:

  • Journal of Applied Physics
  • Journal of the Ceramic Society of Japan
  • Applied Physics Express
  • Applied Physics Letters
  • ACS Applied Electronic Materials

Frequent coauthors collaborating with Akiyama include:

  • Masato Uehara
  • Hiroshi Yamada
  • Kenji Hirata
  • Sri Ayu Anggraini
  • Hiroshi Funakubo

Recent significant publications authored or coauthored by Akiyama include:

  • "Effects of deposition conditions on the ferroelectric properties of (Al1−xScx)N thin films," 2020, Journal of Applied Physics
  • "First-principles calculations of spontaneous polarization in ScAlN," 2021, Journal of Applied Physics
  • "Thickness scaling of (Al0.8Sc0.2)N films with remanent polarization beyond 100 μC cm−2 around 10 nm in thickness," 2021, Applied Physics Express
  • "Polarity Inversion of Aluminum Nitride Thin Films by using Si and MgSi Dopants," 2020, Scientific Reports
  • "Demonstration of ferroelectricity in ScGaN thin film using sputtering method," 2021, Applied Physics Letters

Best Publications

  • Enhancement of Piezoelectric Response in Scandium Aluminum Nitride Alloy Thin Films Prepared by Dual Reactive Cosputtering

    Morito Akiyama;Toshihiro Kamohara;Kazuhiko Kano;Akihiko Teshigahara

  • Enhanced Photovoltaic Response in Lead Lanthanum Zirconate-Titanate Ceramics with A-Site Deficient Composition for Photostrictor Application

    Kazuhiro Nonaka;Morito Akiyama;Chao-Nan Xu;Tsuyoshi Hagio

  • Direct view of stress distribution in solid by mechanoluminescence

    Chao-Nan Xu;Tadahiko Watanabe;Morito Akiyama;Xu-Guang Zheng

  • Artificial skin to sense mechanical stress by visible light emission

    C. N. Xu;T. Watanabe;M. Akiyama;X. G. Zheng

  • Influence of growth temperature and scandium concentration on piezoelectric response of scandium aluminum nitride alloy thin films

    Morito Akiyama;Kazuhiko Kano;Akihiko Teshigahara

  • Effect of the thickness of the Pt film coated on a counter electrode on the performance of a dye-sensitized solar cell

    Xiaoming Fang;Tingli Ma;Guoqing Guan;Morito Akiyama

  • High-efficiency dye-sensitized solar cell based on a nitrogen-doped nanostructured titania electrode.

    Tingli Ma;Morito Akiyama;Eiichi Abe;Isao Imai

  • Tungsten Oxide-Based Semiconductor Sensor Highly Sensitive to NO and NO2

    Morito Akiyama;Jun Tamaki;Norio Miura;Noboru Yamazoe

  • Grain‐Size Effects in Tungsten Oxide‐Based Sensor for Nitrogen Oxides

    J. Tamaki;Z. Zhang;K. Fujimori;M. Akiyama

  • Dynamic visualization of stress distribution by mechanoluminescence image

    Chao-Nan Xu;Xu-Guang Zheng;Morito Akiyama;Kazuhiro Nonaka

  • Properties of several types of novel counter electrodes for dye-sensitized solar cells

    Tingli Ma;Xiaoming Fang;Morito Akiyama;Kozo Inoue

  • Effects of deposition conditions on the ferroelectric properties of (Al1−xScx)N thin films

    Shinnosuke Yasuoka;Takao Shimizu;Takao Shimizu;Akinori Tateyama;Masato Uehara

  • Influence of scandium concentration on power generation figure of merit of scandium aluminum nitride thin films

    Morito Akiyama;Keiichi Umeda;Atsushi Honda;Toshimi Nagase

  • Flexible counter electrodes based on metal sheet and polymer film for dye-sensitized solar cells

    Xiaoming Fang;Xiaoming Fang;Tingli Ma;Morito Akiyama;Guoqing Guan

  • Flexible piezoelectric pressure sensors using oriented aluminum nitride thin films prepared on polyethylene terephthalate films

    Morito Akiyama;Yukari Morofuji;Toshihiro Kamohara;Keiko Nishikubo

  • Preparation and characteristics of highly triboluminescent ZnS film

    C.N Xu;T Watanabe;M Akiyama;X.G Zheng

  • Performances characteristics of dye-sensitized solar cells based on counter electrodes with Pt films of different thickness

    Xiaoming Fang;Xiaoming Fang;Tingli Ma;Guoqing Guan;Morito Akiyama

  • Piezoelectric thin film, piezoelectric material, and fabrication method of piezoelectric thin film and piezoelectric material, and piezoelectric resonator, actuator element, and physical sensor using piezoelectric thin film

    Morito Akiyama;Toshihiro Kamohara;Naohiro Ueno;Kazuhiko Kano

  • Film bulk acoustic resonator

    Tetsuo Yamada;Keigo Nagao;Chisen Hashimoto;Morito Akiyama

  • Intense visible light emission from Sr3Al2O6:Eu,Dy

    Morito Akiyama;Chao-nan Xu;Kazuhiro Nonaka;Tadahiko Watanabe

Frequent Co-Authors

Chao-Nan Xu
Chao-Nan Xu National Institute of Advanced Industrial Science and Technology
Yun Liu
Yun Liu Australian National University
Tingli Ma
Tingli Ma China Jiliang University
Guoqing Guan
Guoqing Guan Hirosaki University
Tetsuya Kida
Tetsuya Kida Kumamoto University
Hiroshi Funakubo
Hiroshi Funakubo Tokyo Institute of Technology
Noboru Yamazoe
Noboru Yamazoe Kyushu University
Takao Shimizu
Takao Shimizu University of Tokyo
Hiroo Kagami
Hiroo Kagami Niigata University
Norio Miura
Norio Miura Kyushu University

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