@article{CTT100911397, author = {Reika Ota and Shinnosuke Yasuoka and Ryoichi Mizutani and Takahisa Shiraishi and Kazuki Okamoto and Kuniyuki Kakushima and Tomoyuki Koganezawa and Osami Sakata and Hiroshi Funakubo}, title = {Scalable ferroelectricity of 20-nm-thick (Al0.8Sc0.2)N thin films sandwiched between TiN electrodes}, journal = {J. Appl. Phys.}, year = 2023, } @article{CTT100911395, author = {Shinnosuke Yasuoka and Ryoichi Mizutani and Reika Ota and Takahisa Shiraishi and Takao Shimizu and Kazuki Okamoto and Masato Uehara and Hiroshi Yamada and Morito Akiyama and Hiroshi Funakubo}, title = {Invariant polarization switching kinetics in an (Al0.2Sc0.8)N film with frequency and temperature}, journal = {Appl. Phys. Lett.}, year = 2023, } @article{CTT100911390, author = {Taichi Murashita and Yuxian Hu and Yuma Takahashi and Reika Ota and Kazuki Okamoto and Hiroshi Funakubo}, title = {Preparation of {100}-oriented (1-x)(Bi,K)TiO3-xCaTiO3 solid solution epitaxial films by hydrothermal method and their ferroelectric and piezoelectric properties}, journal = {Jpn. J. Appl. Phys.}, year = 2023, } @article{CTT100890868, author = {Shinnosuke Yasuoka and Ryoichi Mizutani and Reika Ota and Takahisa Shiraishi and Takao Shimizu and Masato Uehara and Hiroshi Yamada and Morito Akiyama and Hiroshi Funakubo}, title = {Tunable Ferroelectric Properties in Wurtzite (Al0.8Sc0.2)N via Crystal Anisotropy}, journal = {ACS Appl. Electron. Mater.}, year = 2022, } @article{CTT100889889, author = {Shinnosuke YASUOKA and Ryoichi MIZUTANI and Reika OTA and Takahisa SHIRAISHI and Takao SHIMIZU and Shintaro YASUI and Yoshitaka EHARA and Ken NISHIDA and Masato UEHARA and Hiroshi YAMADA and Morito AKIYAMA and Yasuhiko IMAI and Osami SAKATA and Hiroshi FUNAKUBO}, title = {Enhancement of crystal anisotropy and ferroelectricity by decreasing thickness in (Al,Sc)N films}, journal = {J. Ceram. Soc. Jpn.}, year = 2022, } @inproceedings{CTT100920066, author = {大田怜佳 and 安岡慎之介 and 中村美子 and 岡本一輝 and 原浩之 and 正能大起 and 上岡義弘 and 召田雅実 and 舟窪浩}, title = {Ga添加によるAlNへのSc固溶量の増加とその強誘電性および圧電性への影響}, booktitle = {}, year = 2024, } @inproceedings{CTT100917513, author = {Taichi Murashita and Hu Yuxian and Yuma Takahashi and Reika Ota and Kazuki Okamoto and Hiroshi Funakubo}, title = {Preparation of {100}-Oriented Epitaxial (1-x)(Bi,K)TiO3-xCaTiO3 Solid Solution Films by Hydrothermal Method and Their Ferroelectric Property}, booktitle = {}, year = 2023, } @inproceedings{CTT100917450, author = {Kazuki Okamoto and Reika Ota and Shinnosuke Yasuoka and Yoshihiro Ueoka and Yoshiro Kususe and Masami Mesuda and Hiroshi Funakubo}, title = {Crystal structure and electrical properties of (Al, Ga, Sc)N temary thin films prepared by RF sputtering}, booktitle = {}, year = 2023, } @inproceedings{CTT100917519, author = {Reika Ota and Shinnosuke Yasuoka and Kazuki Okamoto and Yoshihiro Ueoka and Yoshiro Kususe and Masami Mesuda and Hiroshi Funakubo}, title = {Ferroelectric Property Improvement of (Al1-x-yGaxScy)N Ternary Thin Films}, booktitle = {}, year = 2023, } @inproceedings{CTT100912038, author = {村下太一 and HUYUXIAN and 高橋雄真 and 大田怜佳 and 岡本一輝 and 舟窪浩}, title = {水熱合成法を用いた(Bi,K)TiO3-CaTiO3 固溶体薄膜の作製とそのアニール効果}, booktitle = {}, year = 2023, } @inproceedings{CTT100901302, author = {村下太一 and 胡雨弦 and 高橋雄真 and 大田怜佳 and 岡本一輝 and 舟窪浩}, title = {水熱合成法で作製された(Bi,K)TiO3-CaTiO3固溶体薄膜の強誘電特性}, booktitle = {}, year = 2023, } @inproceedings{CTT100901301, author = {安岡慎之介 and 大田怜佳 and 岡本一輝 and 清水荘雄 and 舟窪浩}, title = {NbN電極上に作製したエピタキシャル(Al, Sc)N膜の電気特性評価}, booktitle = {}, year = 2023, } @inproceedings{CTT100901293, author = {村下太一 and 胡雨弦 and 高橋雄真 and 大田怜佳 and 岡本一輝 and 舟窪浩}, title = {水熱合成法を用いた (Bi, K)TiO3基固溶体の薄膜作製とその強誘電性}, booktitle = {}, year = 2023, } @inproceedings{CTT100902544, author = {Hiroshi Funakubo and Shinnosuke Yasuoka and Ryoichi Mizutani and Takahisa Shiraishi and Akinori Tateyama and Reika Ota and Kazuki Okamoto and Takao Shimizu and Masato Uehara and Hiroshi Yamada and Morito Akiyama}, title = {Thickness Scaling and Low Voltage Operation of Ferroelectric (Al1-xScx)N Films Prepared by Sputtering Method}, booktitle = {}, year = 2022, } @inproceedings{CTT100904701, author = {Reika Ota and Shinnosuke Yasuoka and Ryoichi Mizutani and Takahisa Shiraishi and Kuniyuki Kakushima and Hiroshi Funakubo}, title = {Ferroelectricity of 20-nm Thick (Al0.8Sc0.2)N Thin Films with TiN Electrodes}, booktitle = {}, year = 2022, } @inproceedings{CTT100901289, author = {大田怜佳 and 安岡慎之介 and 岡本一輝 and 上岡義弘 and 楠瀬好郎 and 召田雅実 and 舟窪浩}, title = {(Al1-x-yGaxScy)N薄膜の結晶構造および強誘電性}, booktitle = {}, year = 2022, } @inproceedings{CTT100901288, author = {岡本一輝 and 安岡慎之介 and 大田怜佳 and 舟窪浩 and 松井尚子 and 入澤寿和 and 恒川孝二}, title = {水素ガス熱処理が(Al,Sc)N 薄膜の強誘電特性へ及ぼす影響}, booktitle = {}, year = 2022, } @inproceedings{CTT100901287, author = {安岡慎之介 and 大田怜佳 and 岡本一輝 and 石濱圭佑 and 清水荘雄 and 角嶋邦之 and 上原雅人 and 山田浩志 and 秋山守人 and 小金澤智之 and L. S. R. Kumara and Okkyun Seo and 坂田修身 and 舟窪浩}, title = {メモリ応用に向けた(Al, Sc)N膜の薄膜化の検討}, booktitle = {}, year = 2022, } @inproceedings{CTT100902550, author = {Shinnosuke Yasuoka and Ryoichi Mizutani and Reika Ota and Takahisa Shiraishi and Takao Shimizu and Masato Uehara and Hiroshi Yamada and Morito Akiyama and Hiroshi Funakubo}, title = {Establishment of Control Method for Ferroelectric Properties in (Al1-xScx)N Films}, booktitle = {}, year = 2022, } @inproceedings{CTT100875597, author = {安岡慎之介 and 水谷涼一 and 大田怜佳 and 白石貴久 and 清水荘雄 and 安井伸太郎 and 江原祥隆 and 西田謙 and 上原雅人 and 山田浩志 and 秋山守人 and 今井康彦 and 坂田修身 and 舟窪浩}, title = {薄膜化による(Al,Sc)N膜の結晶異方性及び強誘電特性の向上}, booktitle = {}, year = 2022, } @inproceedings{CTT100875596, author = {安岡慎之介 and 水谷涼一 and 大田怜佳 and 白石貴久 and 清水荘雄 and 上原雅人 and 山田浩志 and 秋山守人 and 舟窪浩}, title = {面内配向及び熱歪による(Al,Sc)N薄膜の強誘電特性の制御}, booktitle = {}, year = 2022, } @inproceedings{CTT100874847, author = {大田怜佳 and 安岡慎之介 and 水谷涼一 and 白石貴久 and 舟窪浩}, title = {種々の電極を用いた(Al1-x,Scx)N薄膜の強誘電性評価}, booktitle = {}, year = 2022, } @inproceedings{CTT100874647, author = {安岡慎之介 and 水谷涼一 and 大田怜佳 and 白石貴久 and 清水荘雄 and 上原雅人 and 山田浩志 and 秋山守人 and 舟窪浩}, title = {強誘電体(Al1-xScx)N薄膜の結晶構造と電気特性の関係}, booktitle = {}, year = 2021, } @misc{CTT100908575, author = {舟窪浩 and 白石貴久 and 安岡慎之介 and 水谷涼一 and 大田怜佳 and 召田 雅実  and 楠瀬 好郎 and 上岡 義弘  and 末本 祐也  and 飯浜 準也 }, title = {窒化アルミニウムスカンジウム膜及び強誘電体素子}, howpublished = {公開特許}, year = 2023, month = {}, note = {PCT/JP2023/013181(2023/03/30), WO 2023/190869(2023/10/05)} }