Journal Paper

• Ryota Kitagawa, Teruo Kohashi, Takeyuki Tsuji, Shunsuke Nagata, Aoi Nakatsuka, Honami Nitta, Yota Takamura, Shigeki Nakagawa, Takayuki Iwasaki, Mutsuko Hatano. Wide-field imaging of the magnetization process in soft magnetic-thin film using diamond quantum sensors, Applied Physics Express, The Japan Society of Applied Physics, 17, 017002, Dec. 2023.  Official location  
• R. Kitagawa, S. Nagata, K. Arai, K. Mizuno, T. Tsuji, I. Fujisaki, S. Urashita, T. Kohashi, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. Pressure Sensor Using a Hybrid Structure of a Magnetostrictive Layer and Nitrogen-Vacancy Centers in Diamond, Phys. Rev. Appl., American Physical Society, Vol. 19, Issue 4, 044089, Apr. 2023.  Official location  

International Conference (Reviewed)

• Ryota Kitagawa, Aoi Nakatsuka, Teruo Kohashi, Takeyuki Tsuji, Honami Nitta, Yota Takamura, Shigeki Nakagawa, Takayuki Iwasaki, Amir Yacoby, Mutsuko Hatano. Imaging of magnetization response of soft magnetic thin film using diamond quantum sensors with wide frequency range, APS March Meeting 2024, Mar. 2024.  Official location  
• Aoi Nakatsuka, Ryota Kitagawa, Teruo Kohashi, Takeyuki Tsuji, Shunsuke Nagata, Honami Nitta, Yota Takamura, Shigeki Nakagawa, Takayuki Iwasaki, Mutsuko Hatano. Imaging AC magnetization response of soft magnetic thin film using diamond quantum sensors, Quantum Innovation 2023/6th International Forum on Quantum Metrology and Sensing, Nov. 2023.  Official location  
• Ryota Kitagawa, Teruo Kohashi, Takeyuki Tsuji, Shunsuke Nagata, Aoi Nakatsuka, Honami Nitta, Yota Takamura, Shigeki Nakagawa, Takayuki Iwasaki, Mutsuko Hatano. Widefield imaging of the magnetization process in soft magnetic-thin film using diamond quantum sensors, Quantum Innovation 2023/6th International Forum on Quantum Metrology and Sensing, Nov. 2023.  Official location  
• R. Kitagawa, S. Nagata, R. Matsuki, K. Arai, K. Mizuno, T. Kohashi, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. Characterization of electric field control of magnetic domain structure in piezoelectric-magnetostrictive multiferroic hybrid structure using diamond quantum imager, SPICE Workshop on Quantum Spinoptics, June 2023.
• R. Kitagawa, S. Nagata, S. Urashita, K. Arai, K. Mizuno, H. Ishiwata, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. Sensitivity of weight imaging using a hybrid system based on piezoactivemagnetic material and diamond quantum sensor, The 4th International Forum on Quantum Metrology and Sensing, Dec. 2021.  Official location  
• R. Kitagawa, S. Nagata, S. Urashita, K. Arai, K. Mizuno, H. Ishiwata, Y. Takamura, T. Iwasaki, S. Nagawa, M. Hatano. Imaging of Weight Distribution Using a Hybrid System Based on Piezoactive Magnetic Material and Diamond Quantum Sensor, 2021 MRS Fall Meeting & Exhibit, Dec. 2021.  Official location  
• R. Kitagawa, S. Urashita, K. Arai, K. Mizuno, H. Ishiwata, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. Stress detection by a hybrid system based on piezoactive magnetic material and diamond quantum sensor towards biological mass microscopy, 31st International Conference on Diamond and Carbon Materials, Sept. 2021.  Official location  
• Ryota Kitagawa, Soki Urashita, Keigo Arai, Kosuke Mizuno, Hitoshi Ishiwata, YotaTakamura, Takayuki Iwasaki, Shigeki Nakagawa, Mutsuko Hatano. Wide field detection of inverse magnetostrictiveeffect using NV centers in diamond towards biological mass microscopy, The 3rd International Forum on Quantum Metrology and Sensing, Dec. 2020.  Official location  
• R. Kitagawa, S. Urashita, K. Arai, K. Mizuno, H. Ishiwata, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. Hybrid system of giant magnetostrictive material and diamond NV color centers for mass imaging, 2020 Virtual MRS Spring/Fall Meeting and Exhibit, Nov. 2020.  Official location  

International Conference (Not reviewed / Unknown)

• Nikola Maksimovic, Ruolan Xue, Liqiao Xia, Ryota Kitagawa, Francisco Machado, Märta Tschudin, Pavel Dolgirev, Pablo Jarillo-Herrero, Amir Yacoby. Imaging equilibrium and non-equilibrium critical phenomena in mesoscopic magnets, APS March Meeting 2024, Mar. 2024.  Official location  
• Ruolan Xue, Nikola Maksimovic, Liqiao Xia, Pavel Dolgirev, Ryota Kitagawa, Pablo Jarillo-Herrero, Eugene Demler, Amir Yacoby. Noise spectroscopy of unconventional spin transport phenomena in a two-dimensional Heisenberg ferromagnet, APS March Meeting 2024, Mar. 2024.  Official location  

Domestic Conference (Not reviewed / Unknown)

• Ryota Kitagawa, Aoi Nakatsuka, 孝橋 照生, Takeyuki Tsuji, Honami Nitta, Kosuke Mizuno, Yota Takamura, Shigeki Nakagawa, Takayuki Iwasaki, Mutsuko Hatano. ダイヤモンド量子センサを用いたパワエレ用軟磁性薄膜のMHzまでの交流磁気特性のイメージング, 第71回応用物理学会春季学術講演会, Mar. 2024.  Official location  
• Ryota Kitagawa, Shiyunsuke Nagata, 孝橋 照生, Aoi Nakatsuka, Takeyuki Tsuji, Honami Nitta, Kosuke Mizuno, Yota Takamura, Takayuki Iwasaki, Shigeki Nakagawa, Mutsuko Hatano. ダイヤモンド量子センサを用いたパワエレ用軟磁性薄膜の磁化過程のイメージング, 第84回応用物理学会秋季学術講演会, Sept. 2023.
• S. Nagata, R. Kitagawa, S. Urashita, K. Arai, K. Mizuno, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. 磁歪材料を用いたダイヤモンド量子センサの応力感度の向上, 第83回応用物理学会秋季学術講演会 (講演奨励賞受賞記念講演),, Sept. 2022.
• S. Nagata, R. Kitagawa, S. Urashita, K. Arai, K. Mizuno, H. Ishiwata, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. 磁歪材料を用いたダイヤモンド量子センサの応力感度の向上, 第69回応用物理学会春季学術講演会, Mar. 2022.
• S. Nagata, R. Kitagawa, S. Urashita, K. Arai, K. Mizuno, H. Ishiwata, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. Improving pressure sensitivity of diamond quantum sensor using piezoactive magnetic material, The 69th JSAP Spring Meeting 2022, Mar. 2022.  Official location  
• R. Kitagawa, S. Urashita, K. Arai, K. Mizuno, H. Ishiwata, Y. Takamura, T. Iwasaki, S. Nakagawa, M. Hatano. ハイブリッド量子センサに向けたダイヤモンド中NVセンタによる超磁歪材料の磁場ベクトルイメージング, 第81回応用物理学会秋季学術講演会, Sept. 2020.  Official location  
• Soki Urashita, Hayato Onozawa, Ryota Kitagawa, Masato Tomita, Takashi Harumoto, Ji Shi, Yoshio Nakamura, Yota Takamura, Shigeki Nakagawa. Recent progress on piezo-electronic magnetoresistive devices using giant magnetostrictive SmFe2 thin films, IEICE Technical Committee on Magnetic Recording & Information Storage (MRIS), IEICE Technical Report, THE INSTITUTE OF ELECTRONICS INFORMATION AND COMMUNICATION ENGINEERS, vol. 120, no. 180, MRIS2020-3, pp. 12-15, Sept. 2020.  Official location  
• Ryota Kitagawa, Kosuke Mizuno, Hitoshi Ishiwata, 安東秀, Takayuki Iwasaki, Mutsuko Hatano. スピン波を用いたダイヤモンド中NV センタのスピン操作の広視野観察, 第67回応用物理学会春季学術講演会, Mar. 2020.
• Kosuke Mizuno, Ryota Kitagawa, Yuta Masuyama, Hitoshi Ishiwata, Takayuki Iwasaki, Mutsuko Hatano. 広視野ダイヤモンド磁気顕微鏡を用いた位相計測のイメージング, 第80回応用物理学会 秋季学術講演会, Sept. 2019.
• S. Urashita, R. Kitagawa, H. Onozawa, Y. Stutler, T. Harumoto, J. Shi, Y. Nakamura, Y. Takamura, S. Nakagawa. Characterization of the pressurized structure of piezo-electric magnetic tunnel junctions, The 43rd Annual Conference on MAGNETICS in Japan, Sept. 2019.  Official location  
• Ryota Kitagawa, Hayato Onozawa, Yoshiya Stutler, Yota Takamura, Takashi HARUMOTO, Ji Shi, YOSHIO NAKAMURA, Shigeki Nakagawa. Design and fabrication of the pressurizing mechanism of piezoelectric magnetoresistive devices, Spring Meeting of Japan Society of Powder and Powder Metallurgy, 2019, June 2019.  Official location  
• Hayato Onozawa, Ryota Kitagawa, Yota Takamura, Shigeki Nakagawa. Vertical magnetic anisotropy of negative giant magnetostrictive SmFe2 thin films, The 42nd Annual Conference on MAGNETICS in Japan, Sept. 2018.  Official location  

Patent

• Mutsuko Hatano, Ryota Kitagawa. 検査装置. Patent. Published. 国立大学法人東京工業大学, 株式会社日立製作所. 2022/08/01. PCT/JP2022/029451. 2024/02/08. WO 2024/028935. 2024.

Degree

• Study on quantum spintronics with hybrid systems of magnetic materials and diamond quantum sensors,  Exam Summary,  Doctor (Engineering),  Tokyo Institute of Technology,  2024/03/26,   
• Study on quantum spintronics with hybrid systems of magnetic materials and diamond quantum sensors,  Summary,  Doctor (Engineering),  Tokyo Institute of Technology,  2024/03/26,   
• Study on quantum spintronics with hybrid systems of magnetic materials and diamond quantum sensors,  Outline,  Doctor (Engineering),  Tokyo Institute of Technology,  2024/03/26,   
• Study on quantum spintronics with hybrid systems of magnetic materials and diamond quantum sensors,  Thesis,  Doctor (Engineering),  Tokyo Institute of Technology,  2024/03/26, 

[ Save as BibTeX ]    [ Paper, Presentations, Books, Others, Degrees: Save as CSV ]    [ Patents: Save as CSV ]