195.　Electron spin resonance study of Er-concentration effect in GaAs;Er,O containing charge carriers
F. Elmasry, S. Okubo, H. Ohta, Y. Fujiwara
J. Appl. Phys. 115 (2014) 193904/1-7.

196.　Disappearance of Ising nature in Ca3ZnMnO6 studied by high-field ESR
M. Y. Ruan, Z. W. Ouyang, Y. M. Guo, J. J. Cheng, Y. C. Sun, Z. C. Xia, G. H. Rao, S. Okubo, H. Ohta
J. Phys.: Cond. Matt. 26 (2014) 236001/1-5

197.　Unusual Magnetic Phase Transition of 2D Kagomé Compound Cu3(CO3)(bpe)3·2ClO4
Hikomitsu Kikuchi, Yutaka Fujii, Hayato Nakata, Toshifumi Taniguchi, Weimin Zhang, Susumu Okubo, Hitoshi Ohta
JPS Conf. Proc. 1 (2014) 012019/1-4

198.　Ground state of the spin-1/2 chain of green dioptase at high fields
Kazuki Matsui, Masashi Fujisawa, Kenta Hagiwara, Yukihiro Hoshino, Takayuki Goto, Takahiko Sasaki, Hidekazu Tanaka, Susumu Okubo, Hitoshi Ohta
JPS Conf. Proc. 3 (2014) 014011/1-6.

199.　NaCuMoO4(OH) as a Candidate Frustrated J1-J2 Chain Quantum Magnet
Kazuhiro Nawa, Yoshihiko Okamoto, Akira Matsuo, Koichi Kindo, Yoko Kitahara, Syota Yoshida, Shohei Ikeda, Shigeo Hara, Takahiro Sakurai, Susumu Okubo, Hitoshi Ohta, Zenji Hiroi
J. Phys. Soc. Jpn. 83 (2014) 103702/1-5.