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We are studying thin film fabrication processes, such as the metal organic decomposition (MOD) method and laser assisted MOD method. The MOD method is promising for high quality oxide magnetic films. One of the most significant result in our laboratory is bismuth-substituted iron garnet films, which are promising materials for MO applications, spintronic devices, microwave devices, etc. We are also developing characterization techniques utilizing magneto-optical effects, such as MO imaging technique, MO spectroscopy, etc. Recently, we have started a research on MO diffractive deep neural network device.

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RESEARCH

RECENT PUBLICATIONS

  1. 朝野 航, Md Abdullah Al Masud, 西 敬生, 大島 大輝, 加藤 剛志, 李 基鎮, 河原 正美, Fatima Zahra Chafi, 西川 雅美, 石橋 隆幸, Bi,Ga置換Euガーネットの室温における磁化及び角運動量補償組成, Journal of the Magnetics Society of Japan, 2024, https://doi.org/10.20819/msjtmsj.24TR817 (Accepted on 2024/4/26)
  2. J. Hrabovskya, N. S. Tagiarab, J. Mistrikc,d, L. Strizike, P. Rysanekg, V. Kopecky Jr.a, J. Kozlikf, J. Oravah, S. Wangi, T. Ishibashii, E.I. Kamitsosb, M. Veis, Pure TeO2 glass: Influence of synthesis conditions on linear and non-linear optical, magneto-optical and structural properties Journal of Alloys and Compounds, 997, 174788, 2024,https://doi.org/10.1016/j.jallcom.2024.174788 (Accepted on 2024/5)
  3. S. Wang, H. Onoda, J. Harbovsky, H. Yanagihara, J. Inoue, M. Veis, T. Ishibashi, Magneto-Optical Spectroscopy of Epitaxial CoxFe3-xO4 (001) Thin Films, Journal of the Magnetics Society of Japan, Volume 47, Issue 6, 2023, pp.137-143
  4. Hotaka Sakaguchi, Takumi Fujita, Jian Zhang, Satoshi Sumi, Hiroyuki Awano, Hirofumi Nonaka,and Takayuki Ishibashi, Development of fabrication techniques for magneto-optical diffractive deep neural networks, IEEE Trans. Mag., 59, pp.1-4, (2023), DOI:10.1109/TMAG.2023.3281842
  5. Hotaka Sakaguchi, Shinji Isogami, Makoto Niimi and Takayuki Ishibashi, Boron-induced magneto-optical Kerr spectra and dielectric tensors in ferrimagnetic (Mn4N)B antiperovskite thin films, J. Phys. D: Appl. Phys., 56 (2023) 365002

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