158. Ferromagnetic properties of GdN thin films studied by temperature dependent circular polarized spectroscopy
H. Yoshitomi, R. Vidyasagar, S. Kitayama, T. Kita, H. Ohta, S. Okubo, Y. Fukuoka, and T. Sakurai
Appl. Phys. Lett. 101 (2012) 072403/1-5

159. Development of high-pressure and high-field ESR system using SQUID magnetometer
T. Sakurai, K. Fujimoto, R. Goto, S. Okubo, H. Ohta, Y. Uwatoko
J. Magn. Res. 223 (2012) 41-45.

160.  Dzyaloshinsky-Moriya interaction and field-induced magnetic order in an antiferromagnetic honeycomb lattice compound Bi3Mn4O12(NO3) studied by high-field electron spin resonance
Susumu Okubo, Tomonari Ueda, Hitoshi Ohta, Weimin Zhang, Takahiro Sakurai, Nozomi Onishi, Masaki Azuma, Yuichi Shimakawa, Hiroki Nakano, and Toˆru Sakai
Phys. Rev. B 86 (2012) 140401(R)/1-4

161. Dzyaloshinsky-Moriya Interaction Estimated by AFMR of Kagome Like Substance Cu2O(SO4) Observed at 1.8K
Naoki Takahashi, Susumu Okubo, Hitoshi Ohta, Takahiro Sakurai, Masashi Fujisawa, Hikomitu Kikuchi
J. Phys. Conf. 400 (2012) 032097/1-4

162.  Possible new temperature phase observed in GeCo2O4 spinel by high-field ESR
Tatsuya Yamasaki, Susumu Okubo, Hitoshi Ohta, Takahiro Sakurai, Shinichi Ikeda, Hiroyuki Oshima, Miwako Takahashi, Shigeo Hara, Keisuke Tomiyasu, and Tadataka Watanabe
J. Phys. Conf. 400 (2012) 032119/1-4

163.  Magnetic and electric properties in the distorted tetrahedral spin chain system Cu3Mo2O9
T. Hosaka, S. Hachiuma, H. Kuroe, T. Sekine, M. Hase, K. Oka, T. Ito, H. Eisaki, M. Fujisawa, S. Okubo, H.  Ohta
J. Phys. Conf. 400 (2012) 032022/1-4

164. Developments of Multi-extreme High Field ESR in Kobe
H. Ohta, S. Okubo, E. Ohmichi, T. Sakurai, W.-M. Zhang, T. Shimokawa
J. Low Temp Phys 170 (2013) 511-519

165. Detailed Impurity Phase Investigation by X-ray Absorption Fine Structure and Electron Spin     Resonance Analyses in Synthesis of CaMgSi2O6:Eu Phosphor
Takashi Kunimoto, Tetsuo Honma, Koutoku Ohmi, Susumu Okubo, and Hitoshi Ohta
Jpn. J. Applied Phys. 52 (2013) 042402/1-7