"Nana Sun,Kazuki Okamoto,Shinnnosuke Yasuoka,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Hiroshi Funakubo","Stable ferroelectric property at high temperature under nydrogen gas in (Al, Sc)N thin films","第41回強誘電体会議",,,,,,2025,June
"Nana Sun,Kazuki Okamoto,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Hiroshi Funakubo","Effects of thickness scaling on switching kinetics in (Al,Sc)N ferroelectric films","第72回応用物理学会春季学術講演会",,,,,,2025,Mar.
"道古宗俊,松井尚子,入澤寿和,恒川孝二,Nana Sun,中村美子,岡本一輝,舟窪浩","薄膜化した (Al1-xScx)N膜における結晶性・強誘電特性のSc組成比依存性","第72回応用物理学会春季学術講演会",,,,,,2025,Mar.
"Nana Sun,Kazuki Okamoto,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Hiroshi Funakubo","Effects of thickness scaling on switching kinetics in (Al,Sc)N ferroelectric films","The 72nd JSAP Spring Meeting",,,"  15a-K503-2",,,2025,Mar.
"道古 宗俊,松井 尚子,入澤 寿和,恒川 孝二,Nana Sun,中村 美子,岡本 一輝,舟窪 浩","薄膜化した (Al1-xScx)N膜における結晶性・強誘電特性のSc組成比依存性","第72回応用物理学会春季学術講演会",,,"  15a-K503-4",,,2025,Mar.
"Nana Sun,Kazuki Okamoto,Shinnosuke Yasuoka,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Hiroshi Funakubo","Stable high-switching speed in (Al,Sc)N films heat-treated under H2 atmosphere","37th International Microprocesses and Nanotechnology Conference",,,,,,2024,Nov.
"Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Nana Sun,Yoshiko Nakamura,Kazuki Okamoto,Hiroshi Funakubo","Thickness Dependence of Ferroelectricity for Thin (Al0.9Sc0.1)N-based FeRAM","2024 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK 2024)",,,"  R09",,,2024,Nov.
"Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Nana Sun,Yoshiko Nakamura,Kazuki Okamoto,Hiroshi Funakubo,Koji Tsunekawa","Thickness Dependence of Ferroelectricity for Thin (Al0.9Sc0.1)N-based FeRAM","The 2024 International Meeting for Future of Electron Devices, Kansai",,,,,,2024,Nov.
"Nana Sun,Kazuki Okamoto,Shinnosuke Yasuoka,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Hiroshi Funakubo","Stable high-switching speed in (Al,Sc)N films heat-treated under H2 atmosphere","MNC 2024",,,"  15C-2-2",,,2024,Nov.
"Shinnosuke Yasuoka,Takao Shimizu,Kazuki Okamoto,Nana Sun,Soshun Doko,Naoko Matsu,Toshikazu Irisaw,Koji Tsunekawa,Alexei Gruverman,Hiroshi Funakubo","Probing of polarization reversal in ferroelectric (Al,Sc)N films using single- and tri-layered structures with different Sc/(Al+Sc) ratio",,"Adv. Mater. Interfaces",,"Vol. 2024","No. 2400627","p. 1-8",2024,Oct.
"Shinnosuke Yasuoka,Takao Shimizu,Kazuki Okamoto,Nana Sun,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Alexei Gruverman,Hiroshi Funakubo","Probing of Polarization Reversal in Ferroelectric (Al,Sc)N Films Using Single- and Tri-Layered Structures With Different Sc/(Al+Sc) Ratio",,"Advanced Materials Interfaces",,"Vol. 12","Issue 5","  2400627",2024,Oct.
"Nana Sun,Kazuki Okamoto,Shinnosuke Yasuoka,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Hiroshi Funakubo","High stability of the ferroelectricity against hydrogen gas in (Al,Sc)N thin films","2024 International Conference on Solid State Devices and Materials (SSDM 2024)",,,"  B-4-01",,,2024,Sept.
"道古 宗俊,松井 尚子,入澤 寿和,恒川 孝二,Nana Sun,中村 美子,岡本 一輝,舟窪 浩","FeRAM向け (Al,Sc)N膜における強誘電特性の膜厚依存性評価","第85回応用物理学会秋季学術講演会",,,"  18a-B3-5",,,2024,Sept.
"Nana Sun,Kazuki Okamoto,Shinnosuke Yasuoka,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Hiroshi Funakubo","High stability of the ferroelectricity against hydrogen gas in (Al,Sc)N thin films","SSDM2024 (2024 International Conference on Solid State Devices and Materials)",,,,,,2024,Sept.
"道古宗俊,松井尚子,入澤寿和,恒川孝二,Nana Sun,中村美子,岡本一輝,舟窪浩","FeRAM向け (Al,Sc)N膜における強誘電特性の膜厚依存性評価","第85回応用物理学会秋季学術講演会",,,,,,2024,Sept.
"Nana Sun,Kazuki Okamoto,Shinnosuke Yasuoka,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Takayoshi Katase,Tomoyuki Koganezawa,Tomotaka Nakatani,Rosantha Kumara,Osami Sakata,Hiroshi Funakubo","High stability of the ferroelectricity against hydrogen gas in (Al,Sc)N thin films",,"Appl. Phys. Lett.",,"Vol. 125",,"pp. 032904",2024,July
"Nana Sun,Kazuki Okamoto,Shinnosuke Yasuoka,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Hiroshi Funakubo","Stable ferroelectric property at high temperature under hydrogen gas in (Al, Sc)N thin films","The Meeting on Ferroelectric Materials and Their Applications (FMA41)",,,"  15am-08",,,2024,June
"Nana Sun,Kazuki Okamoto,Shinnosuke Yasuoka,Soshun Doko,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Takayoshi Katase,Tomoyuki Koganezawa,Tomotaka Nakatani,Rosantha Kumara,Osami Sakata,Hiroshi Funakub","High stability of the ferroelectricity against hydrogen gas in (Al,Sc)N thin films",,"Appl. Phys. Lett.",,"Vol. 125","No. 032904","p. 1-7",2024,June
"Nana Sun,Kazuki Okamoto,Shinnosuke Yasuoka,Naoko Matsui,Toshikazu Irisawa,Koji Tsunekawa,Soshun Doko,Hiroshi Funakubo","High stability of ferroelectricity against hydrogen gas in (Al,Sc)N thin films","The 71st JSAP Spring Meeting",,,"  24a-12H-3",,,2024,Mar.
"道古 宗俊,松井 尚子,入澤 寿和,恒川 孝二,中村 美子,岡本 一輝,舟窪 浩","Pt下部電極の膜厚がAlScNの膜特性に及ぼす影響","第71回応用物理学会春季学術講演会",,,"  24a-12H-2",,,2024,Mar.