@article{CTT100926669, author = {Teruya Nagafuji and Koshiro Osuna and Kota Hanzawa and Tomoya Gake and Sougmin Bae and Zhongxu Hu and Takayoshi Katase and Akira Takahashi and Hidenori Hiramatsu and Fumiyasu Oba}, title = {Carrier generation and compensation mechanism in La2SnO2S3}, journal = {J. Mater. Chem. C}, year = 2024, } @article{CTT100920159, author = {Xinyi He and Tatsuya Cho and Takayoshi Katase and Kota Hanzawa and Suguru Kitani and Hidenori Hiramatsu and Hideo Hosono and Toshio Kamiya}, title = {Wide-Gap p-Type Layered Oxychalcogenides AE2CuInO3Ch (AE: Alkaline Earth; Ch: Chalcogen): Unusually Low Residual Carrier Concentration and Green-to-Red Emission}, journal = {CHEMISTRY OF MATERIALS}, year = 2024, } @article{CTT100920157, author = {Chihiro Yamamoto and Xinyi He and Kota Hanzawa and Takayoshi Katase and Masato Sasase and Jun-ichi Yamaura and Hidenori Hiramatsu and Hideo Hosono and Toshio Kamiya}, title = {Phonon drag thermopower persisting over 200 K in FeSb2 thin film on SrTiO3 single crystal}, journal = {APPLIED PHYSICS LETTERS}, year = 2024, } @article{CTT100920150, author = {Sara Maeda and Yusuke Tani and Hirotaka Katayama and Daiji Kanematsu and Kohei Oiwake and Yukinori Nishigaki and Tetsuhiko Miyadera and Masayuki Chikamatsu and Takayuki Nagai and Kota Hanzawa and Hidenori Hiramatsu and Akira Terakawa and Hideo Hosono and Takuma Aizawa and Hiroyuki Fujiwara}, title = {Enhancing analysis efficiency: Automation of spectroscopic ellipsometry for crystalline semiconductors and transparent conductive oxides}, journal = {Thin Solid Films}, year = 2023, } @article{CTT100907524, author = {Kazuki Mitsui and Zhongxu Hu and Kota Hanzawa and Takayoshi Katase and Hidenori Hiramatsu and Akira Saitoh}, title = {Effect of iron substitution on electronic conductivity of bismuth sesquioxide glasses}, journal = {J. Appl. Phys.}, year = 2023, } @article{CTT100899489, author = {Kota Hanzawa and Hidenori Hiramatsu}, title = {Heteroepitaxial Growth, Degenerate State, and Superconductivity of Perovskite-Type LaWN3 Thin Films}, journal = {ACS Applied Electronic Materials}, year = 2023, } @article{CTT100887354, author = {Soshi Iimura and Takashi Sasaki and Kota Hanzawa and Satoru Matsuishi and Hideo Hosono}, title = {High pressure synthesis, physical properties and electronic structure of monovalent iron compound LaFePH}, journal = {Journal of Solid State Chemistry}, year = 2022, } @article{CTT100886524, author = {Kota Hanzawa and Jumpei Matsumoto and Soshi Iimura and Yoshimitsu Kohama and Hidenori Hiramatsu and Hideo Hosono}, title = {High upper critical field (120 T) with small anisotropy of highly hydrogen-substituted SmFeAsO epitaxial film}, journal = {Physical Review Materials}, year = 2022, } @article{CTT100886074, author = {Kaiwen Li and Atsushi Shimizu and Xinyi He and Keisuke Ide and Kota Hanzawa and Kosuke Matsuzaki and Takayoshi Katase and Hidenori Hiramatsu and Hideo Hosono and Q. Zhang and Toshio Kamiya}, title = {Low Residual Carrier Density and High In-Grain Mobility in Polycrystalline Zn3N2 Films on a Glass Substrate}, journal = {ACS Appl. Electron. Mater.}, year = 2022, } @article{CTT100875759, author = {Yusaku Nishimura and Xinyi He and Takayoshi Katase and Terumasa Tadano and Keisuke Ide and Suguru Kitani and Kota Hanzawa and Shigenori Ueda and Hidenori Hiramatsu and Hitoshi Kawaji and Hideo Hosono and Toshio Kamiya}, title = {Electronic and Lattice Thermal Conductivity Switching by 3D−2D Crystal Structure Transition in Nonequilibrium (Pb1−xSnx)Se}, journal = {Advanced Electronic Materials}, year = 2022, } @article{CTT100862166, author = {Akira Saitoh and Katsuki Hayashi and Kota Hanzawa and Shigenori Ueda and Shiro Kawachi and Jun-ichi Yamaura and Keisuke Ide and Junghwan Kim and Gregory Tricot and Satoru Matsuishi and Kazuki Mitsui and Tatsuki Shimizu and Masami Mori and Hideo Hosono and Hidenori Hiramatsu}, title = {Origins of the coloration from structure and valence state of bismuth oxide glasses}, journal = {J. NON-CRYST. SOLIDS.}, year = 2021, } @article{CTT100831030, author = {Yukinori Nishigaki and Takayuki Nagai and Mitsutoshi Nishiwaki and Takuma Aizawa and Masayuki Kozawa and Kota Hanzawa and Yoshitsune Kato and Hitoshi Sai and Hidenori Hiramatsu and Hideo Hosono and Hiroyuki Fujiwara}, title = {Extraordinary Strong Band-Edge Absorption in Distorted Chalcogenide Perovskites}, journal = {Solar RRL}, year = 2020, } @article{CTT100810719, author = {Masatake Tsuji and Kota Hanzawa and Hiroyuki Kinjo and Hidenori Hiramatsu and Hideo Hosono}, title = {Heteroepitaxial Thin-Film Growth of a Ternary Nitride Semiconductor CaZn2N2}, journal = {ACS Appl. Electron. Mater.}, year = 2019, } @article{CTT100809721, author = {Jumpei Matsumoto and Kota Hanzawa and Masato Sasase and Silvia Haindl and Takayoshi Katase and Hidenori Hiramatsu and Hideo Hosono}, title = {Superconductivity at 48 K of heavily hydrogen-doped SmFeAsO epitaxial films grown by chemical topotactic reaction using CaH2}, journal = {Phys. Rev. Mater.}, year = 2019, } @article{CTT100926963, author = {Kota Hanzawa and Soshi Iimura and Hidenori Hiramatsu and Hideo Hosono}, title = {Material Design of Green-Light-Emitting Semiconductors: Perovskite-Type Sulfide SrHfS3}, journal = {Journal of the American Chemical Society}, year = 2019, } @article{CTT100795952, author = {Kota Hanzawa and Masato Sasase and Hidenori Hiramatsu and Hideo Hosono}, title = {Stabilization and heteroepitaxial growth of metastable tetragonal FeS thin films by pulsed laser deposition}, journal = {Supercond. sci. technol.}, year = 2019, } @article{CTT100795955, author = {Kota Hanzawa and Soshi Iimura and Hidenori Hiramatsu and Hideo Hosono}, title = {Material Design of Green-Light-Emitting Semiconductors: Perovskite-Type Sulfide SrHfS₃}, journal = {J. AM. CHEM. SOC.}, year = 2019, } @article{CTT100795942, author = {Kota Hanzawa and Yuta Yamaguchi and Yukiko Obata and Satoru Matsuishi and Hidenori Hiramatsu and Toshio Kamiya and Hideo Hosono}, title = {Insulator-like behavior coexisting with metallic electronic structure in strained FeSe thin films grown by molecular beam epitaxy}, journal = {Phys. Rev. B}, year = 2019, } @article{CTT100796029, author = {Hidenori Hiramatsu and Kota Hanzawa and Toshio Kamiya and Hideo Hosono}, title = {Particulate Generation on Surface of Iron Selenide Films by Air Exposure}, journal = {Journal of Superconductivity and Novel Magnetism}, year = 2019, } @article{CTT100758848, author = {Jin Tae Kim and Da Seul Hyeon and Kota Hanzawa and Ayaka Kanai and Se Yun Kim and Yong Jei Lee and Hideo Hosono and Joonho Bang and Kimoon Lee}, title = {Role of fluorine in two-dimensional dichalcogenide of SnSe2}, journal = {Scientific Reports}, year = 2018, } @article{CTT100757555, author = {Junjie Wang and Kota Hanzawa and Hidenori Hiramatsu and Junghwan Kim and Naoto Umezawa and Koki Iwanaka and Tomofumi Tada and Hideo Hosono}, title = {Exploration of Stable Strontium Phosphide-Based Electrides: Theoretical Structure Prediction and Experimental Validation}, journal = {Journal of the American Chemical Society}, year = 2017, } @article{CTT100759431, author = {Silvia Haindl and Hiroyuki Kinjo and Kota Hanzawa and Hidenori Hiramatsu and Hideo Hosono}, title = {Pulsed laser deposition of SmFeAsO₁−δ on MgO(100) substrates}, journal = {APPL. SURF. SCI.}, year = 2017, } @article{CTT100736244, author = {Kota Hanzawa and Hikaru Sato and Hidenori Hiramatsu and Toshio Kamiya and Hideo Hosono}, title = {Key Factors for Insulator - Superconductor Transition in FeSe Thin Films by Electric Field}, journal = {IEEE Trans. Appl. Supercond.}, year = 2017, } @article{CTT100734140, author = {Silvia Haindl and Kota Hanzawa and Hikaru Sato and Hidenori Hiramatsu and Hideo Hosono}, title = {In-situ growth of superconducting SmO1-xFxFeAs thin films by pulsed laser deposition}, journal = {Sci. Rep.}, year = 2016, } @article{CTT100704162, author = {Kota Hanzawa and Hikaru Sato and Hidenori Hiramatsu and Toshio Kamiya and Hideo Hosono}, title = {Electric field-induced superconducting transition of insulating FeSe thin film at 35 K}, journal = {Proc. Natl. Acad. Sci. USA}, year = 2016, } @inproceedings{CTT100926700, author = {Teruya Nagafuji and Koshiro Osuna and Kota Hanzawa and Tomoya Gake and Soungmin Bae and Zhongxu Hu and Takayoshi Katase and Akira Takahashi and Hidenori Hiramatsu and Fumiyasu Oba}, title = {Point Defects and Self-Trapped Electrons in La2SnO2S3}, booktitle = {}, year = 2024, } @inproceedings{CTT100926701, author = {Teruya Nagafuji and Koshiro Osuna and Kota Hanzawa and Tomoya Gake and Soungmin Bae and Zhongxu Hu and Takayoshi Katase and Akira Takahashi and Hidenori Hiramatsu and Fumiyasu Oba}, title = {Elucidation of Carrier Generation and Compensation Mechanism in La2SnO2S3}, booktitle = {}, year = 2024, } @inproceedings{CTT100907575, author = {光井 和輝 and フゾンシュ and 半沢 幸太 and 片瀬 貴義 and 平松 秀典 and 斎藤 全}, title = {Bi2O3–B2O3ガラスの電気伝導性におよぼすFe3O4ドーピング効果}, booktitle = {}, year = 2023, } @inproceedings{CTT100886118, author = {樋口龍生 and 片瀬貴義 and 半沢幸太 and 井手啓介 and 平松秀典 and 細野秀雄 and 神谷利夫}, title = {層状SnSe非平衡相のエピタキシャル膜による安定化と構造・電気特性}, booktitle = {}, year = 2022, } @inproceedings{CTT100886104, author = {片瀬貴義 and 西村優作 and ホ シンイ and 只野央将 and 井手啓介 and 気谷卓 and 半沢幸太 and 平松秀典 and 川路均 and 細野秀雄 and 神谷利夫}, title = {準安定(Pb1-xSnx)Se固溶体の2次元-3次元構造転移に伴う熱伝導率変調}, booktitle = {}, year = 2022, } @inproceedings{CTT100866814, author = {Kaiwen Li and Kota Hanzawa and Keisuke Ide and Kosuke Matsuzaki and Takayoshi Katase and Hidenori Hiramatsu and Hideo Hosono and Zhang Qun and Toshio Kamiya}, title = {Transport properties of Zn3N2 investigated by ionic liquid gated electric-double-layer transistors}, booktitle = {}, year = 2021, } @inproceedings{CTT100866800, author = {Kaiwen Li and Kota Hanzawa and Keisuke Ide and Kosuke Matsuzaki and Takayoshi Katase and Hidenori Hiramatsu and Hideo Hosono and Zhang Qun and Toshio Kamiya}, title = {Room-temperature fabrication of ionic liquid gated Zn3N2 electric double layer transistors with non-degenerate channel electron density}, booktitle = {}, year = 2021, } @inproceedings{CTT100886100, author = {Kaiwen Li and Kota Hanzawa and Keisuke Ide and Kosuke Matsuzaki and Takayoshi Katase and Hidenori Hiramatsu and Hideo Hosono and Zhang Qun and Toshio Kamiya}, title = {Room-temperature fabrication of ionic liquid gated Zn3N2 electric double layer transistors with non-degenerate channel electron density}, booktitle = {}, year = 2021, } @inproceedings{CTT100866827, author = {Ryusei Higuchi and Takayoshi Katase and Kota Hanzawa and Shintaro Yasui and Keisuke Ide and Hidenori Hiramatsu and Hideo Hosono and Toshio Kamiya}, title = {Thermoelectric properties of non-equilibrium SnSe thin films stabilized by epitaxial strain}, booktitle = {}, year = 2021, } @inproceedings{CTT100866806, author = {Kaiwen Li and Kota Hanzawa and Keisuke Ide and Kosuke Matsuzaki and Takayoshi Katase and Hidenori Hiramatsu and Hideo Hosono and Qun Zhang and Toshio Kamiya}, title = {Fabrication of Zn3N2 electric double layer transistor by ionic liquid gating}, booktitle = {}, year = 2021, } @inproceedings{CTT100809763, author = {Jumpei Matsumoto and Kota Hanzawa and Masato Sasase and Silvia Haindl and Takayoshi Katase and Hidenori Hiramatsu and Hideo Hosono}, title = {Superconductivity at 48 K of heavily hydrogen-doped SmFeAsO epitaxial films grown by chemical topotactic reaction using CaH2}, booktitle = {}, year = 2019, } @inproceedings{CTT100809785, author = {松本 惇平 and 半沢 幸太 and 笹瀬 雅人 and Silvia Haindl and 片瀬 貴義 and 平松 秀典 and 細野 秀雄}, title = {1111型鉄系超伝導体エピタキシャル薄膜への高濃度水素添加と48 Kの高温超伝導}, booktitle = {}, year = 2019, } @inproceedings{CTT100809771, author = {Jumpei Matsumoto and Kota Hanzawa and Masato Sasase and Silvia Haindl and Takayoshi Katase and Hidenori Hiramatsu and Hideo Hosono}, title = {Superconductivity at 48 K in heavily hydrogen-doped SmFeAsO epitaxial thin films}, booktitle = {}, year = 2019, } @inproceedings{CTT100809759, author = {Chihiro Yamamoto and Kota Hanzawa and Takayoshi Katase and Keisuke Ide and Hidenori Hiramatsu and Hideo Hosono and Toshio Kamiya}, title = {Epitaxial structure and phonon-drag thermoelectric properties of FeSb2 thin film on SrTiO3 (001) substrate}, booktitle = {}, year = 2019, } @inproceedings{CTT100779489, author = {山本千紘 and 半沢幸太 and 井手啓介 and 片瀬貴義 and 平松秀典 and 細野秀雄 and 神谷利夫:}, title = {FeSb2薄膜のヘテロエピタキシャル成長と熱電特性}, booktitle = {}, year = 2018, } @inproceedings{CTT100779495, author = {平松秀典 and 半沢幸太 and 佐藤 光 and 片瀬貴義 and 神谷利夫 and 細野秀雄}, title = {鉄系超伝導体の薄膜成長とデバイス作製}, booktitle = {}, year = 2018, } @misc{CTT100826634, author = {Kota Hanzawa}, title = {Study on Transition Metal-Based Chalcogenide Superconductors and Semiconductors}, year = 2019, } @misc{CTT100792492, author = {Kota Hanzawa}, title = {Study on Transition Metal-Based Chalcogenide Superconductors and Semiconductors}, year = 2019, } @misc{CTT100792475, author = {Kota Hanzawa}, title = {Study on Transition Metal-Based Chalcogenide Superconductors and Semiconductors}, year = 2019, } @misc{CTT100926877, author = {大場史康 and 平松秀典 and 我毛智哉 and 半沢幸太}, title = {4元系酸カルコゲン化物および電子素子}, howpublished = {公開特許}, year = 2024, month = {}, note = {特願2022-205476(2022/12/22), 特開2024-091629(2024/07/05)} } @phdthesis{CTT100826634, author = {Kota Hanzawa}, title = {Study on Transition Metal-Based Chalcogenide Superconductors and Semiconductors}, school = {東京工業大学}, year = 2019, } @phdthesis{CTT100792492, author = {Kota Hanzawa}, title = {Study on Transition Metal-Based Chalcogenide Superconductors and Semiconductors}, school = {東京工業大学}, year = 2019, } @phdthesis{CTT100792475, author = {Kota Hanzawa}, title = {Study on Transition Metal-Based Chalcogenide Superconductors and Semiconductors}, school = {東京工業大学}, year = 2019, }