"Yanna Chen,Osami Sakata,Hiroyuki Morita,Akifumi Matsuda,Fanhao Jia,Okkyun Seo,Loku Singgappulige Rosantha Kumara,Toshiaki Ina,Eiichi Kobayashi,Jaemyung Kim,Chulho Song,Satoshi Hiroi,Natalia Palina,Yanfang Lou,Wei Ren,Mamoru Yoshimoto","Electronic states of gallium oxide epitaxial thin films and related atomic arrangement",,"Applied Surface Science","Elsevier BV","  578",,"  151943",2022,Mar.
"Okkyun Seo,Akhil Tayal,Jaemyung Kim,Chulho Song,Yoshio Katsuya,Osami Sakata,Jiayi Tang,Nodo Lee,Yong Tae Kim,Yuki Ikeya,Shiori Takano,Akifumi Matsuda,Mamoru Yoshimoto","Modifying the crystal structures of Fe2O3-doped NiO epitaxial thin ?lms grown at room temperature by controlling the oxygen partial pressure",,"Applied Surface Science","Elsevier","Volume 533",,,2020,Dec.
"�¼“c�WŽj,Yoshiharu Shinozaki,‹àŽqŒ’‘¾,‘å‰ê—F‰l,Seo Okkyun,�â“c�C�g,‹àŽq’q,‹g–{Œì","Žº‰·�‡�¬Ni1-xFexOŒÅ—n‘̃Gƒsƒ^ƒLƒVƒƒƒ‹”––Œ‚Ì�\‘¢�E•¨�«‘ŠŠÖ","MRM Forum 2020",,,,,,2020,Dec.
"Akifumi Matsuda,Yoshiharu Shinozaki,Seo Okkyun,Osami Sakata,Satoru Kaneko,Yoshisato Kimura,Mamoru Yoshimoto","Effect of Heavy Doping of Aliovalent Cations on Structure and Thermoelectric Properties of NiO-Based Epitaxial Thin Films","2019 MRS Fall Meeting & Exhibit",,,,,,2019,Dec.
"Akifumi Matsuda,Seo Okkyun,Osami Sakata,Mamoru Yoshimoto","Room-temperature epitaxy and optoelectronic properties of heavily doped Ni1?xFexO thin films","Materials Research Meeting 2019",,,,,,2019,Dec.
"Akifumi Matsuda,Seo Okkyun,Osami Sakata,Satoru Kaneko,Mamoru Yoshimoto","Room-temperature epitaxy and optoelectronic properties of heavily doped NiO thin films","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct.
"Okkyun Seo,Akhil Tayal,Jaemyung Kim,Chulho Song,Yanna Chen,Satoshi Hiroi,Yoshio Katsuya,Toshiaki Ina,Osami Sakata,Yuki Ikeya,Shiori Takano,Akifumi Matsuda,Mamoru Yoshimoto","Tuning of structural, optical band gap, and electrical properties of room-temperature-grown epitaxial thin films through the Fe<sub>2</sub>O<sub>3</sub>:NiO ratio",,"Scientific Reports","SpringerNature","  9",,,2019,Mar.
"Akifumi Matsuda,Hiroyuki Morita,Tomoaki Oga,Yanna Chen,Okkyun Seo,Osami Sakata,Nobuo Tsuchimine,Satoru Kaneko,MAMORU YOSHIMOTO","Solid-Phase Heteroepitaxy and Synchrotron Radiation Analyses of ƒÀ-Ga<sub>2</sub>O<sub>3</sub> Thin Films Fabricated by Room-Temperature Laser Processes","2018 MRS Fall Meeting & Exhibit",,,,,,2018,Nov.
"’r’J˜Ð‹I,“y—ä�M’j,‹àŽq ’q,Okkyun Seo,�â“c �C�g,�¼“c �WŽj,‹g–{ Œì","Šâ‰–Œ^Ni<sub>1-X</sub>Fe<sub>X</sub>O”––Œ‚ÌŽº‰·ƒGƒsƒ^ƒLƒVƒƒƒ‹�¬’·‚Æ“Á�«•]‰¿","2018”N ‘æ79‰ñ ‰ž—p•¨—�Šw‰ï�H‹GŠw�p�u‰‰‰ï",,,,,,2018,Sept.