171.　Anomalous Spn Dyanamics Observed by High-Frequency ESR in Honeycomb Lattice Antiferromagnet InCu2/3V1/3O3
Susumu Okubo, Hideo Wada, Hitoshi Ohta, Takahiro Tomita, Masashi Fujisawa, Takahiro Sakurai, Eiji Ohmichi, Hikomitsu Kikuchi
J. Phys. Soc. Jpn. 80 (2011) 023705/1-4.

172.　Antiferromagnetic resonance modes for the S = 1/2 kagome antiferromagnet Cs2Cu3SnF12
S. Sharmin, I. Umegaki, H. Tanaka, T. Ono, G. Tanaka, H. Nojiri, M. Fujisawa, N. Matsumi, M. Tomoo, S. Okubo, H. Ohta and T. Sakurai
J. Phys.: Conf. Series 302 (2011) 012011/1-4

173.　Magnetic properties of vanadium oxide nanotubes and nanolayers
S. V. Demishev, A. L. Chernobrovkin, V. V. Glushkov, A. V. Grigorieva, E. A. Goodilin, H. Ohta, S. Okubo, M. Fujisawa, T. Sakurai, N. E. Sluchanko, N. A. Samarin, and A. V. Semeno
Phys. Rev. B 84, (2011) 094426/1-11

174.　High-field ESR using SQUID magnetometer
T. Sakurai, R. Goto, N. Takahashi, S. Okubo, H. Ohta
J. Phys.: Conf. Series 334 (2011) 012058/1-4

175.　Electron spin resonance study of photoluminescent material GaAs:Er,O-Er concentration effect
Masashi Fujisawa, Atsushi Asakura, Fatma Elmasry, Susumu Okubo, Hitoshi Ohta, Yasufumi Fujiwara
J. Appl. Phys. 109 (2011) 053910/1-5.

176.　Energy structure of Er-2O center in GaAs:Er,O studied by high magnetic field photluminescence measurement
Hiroyasu Katsuno, Hitoshi Ohta, Oliver Portugall, Nicolas Ubring, Masashi Fujisawa, Fatma Elmasry, Susumu Okubo, Yasufumi Fujiwara
J. Luminecence 131 (2011) 2294-2298.

177.　Electric Polarization Induced by Néel Order without Magnetic Superlattice: Experimental Study of Cu3Mo2O9 and Numerical Study of a Small Spin Cluster
Haruhiko Kuroe, Tomohiro Hosaka, Suguru Hachiuma, Tomoyuki Sekine, Masashi Hase, Kunihiko Oka, Toshimitsu Ito, Hiroshi Eisaki, Masashi Fujisawa, Susumu Okubo, Hitoshi Ohta
J. Phys. Soc. Jpn. 80 (2011) 083705 (JPSJ Editor’s Choice).

178.　High field ESR measurements of S=1/2 low dimensional antiferromagnet (2,3-dmpyH)2CuBr4
Hitoshi Ohta, Tatsuya Yamasaki, Susumu Okubo, Takahiro Sakurai, Masashi Fujisawa, Hikomitsu Kikuchi
J. Phys.: Conf. Serie. 320 (2011) 012026/1-6.

179.　High-Frequency ESR Measurements of S=1/2 1-D Heisenberg Antiferromagnetic Zig-Zag Chain (VO)(SO4)(2,2-bpy)
Naoki Takahashi, Susumu Okubo, Hitoshi Ohta, Takahiro Sakurai, Yuya Ishikawa, Masashi Fujisawa, Hikomitsu Kikuchi
Appl. Magn. Reson. 40 (2011) 481-487.

180.　Ferromagnetic State of GdN Thin Film Studied by Ferromagnetic Resonance
H. Ohta, M. Fujisawa, F. Elmasry, S. Okubo, Y. Fukuoka, H. Yoshitomi, S. Kitayama, T. Kita, O. Wada
AIP Conf. Proc. 1399 (2011) 679-680.