Masato Uehara, Kenji Hirata, Yoshiko Nakamura, Sri Ayu Anggraini, Kazuki Okamoto, Hiroshi Yamada, Hiroshi Funakubo, Morito Akiyama. Excellent piezoelectric and ferroelectric properties of ScxGa1-xN alloy with high Sc concentration. APL Materials. 2024
Soichiro Kawana, Kenji Hirata, Yuki Fujio, Tomoki Uchiyama, Chao-Nan Xu. First-Principles Calculation of Elastic Properties in LixZn1-xO:Nd3+ Mechanoluminescence Material. Advanced Theory and Simulations. 2024
Kenji Hirata, Yu Ikemoto, Masato Uehara, Hiroshi Yamada, Sri Ayu Anggraini, Morito Akiyama. Effect of phase transition on the piezoelectric properties of scandium-alloyed gallium nitride. Journal of Applied Physics. 2024
Kohei Hatashita, Toshiki Tsuchiya, Masaya Okazaki, Marin Nakano, Ayu Anggraini, Kenji Hirata, Shinya Ohmagari, Masato Uehara, Hiroshi Yamada, Morito Akiyama, et al. High electro-mechanical coupling coefficient SAW device with ScAlN on Diamond. Japanese Journal of Applied Physics. 2023
Hatashita Kohei, Tsuchiya Toshiki, Okazaki Masaya, Nakano Marin, Anggraini Sri A., Hirata Kenji, Ohmagari Shinya, Uehara Masato, Yamada Hiroshi, Akiyama Morito, et al. 2Pb3-1 High K2 SAW device with ScAlN on Diamond. Proceedings of Symposium on Ultrasonic Electronics. 2022. 43. 269