150 Energy structure of Er-2O center in GaAs:Er,O studied by high magnetic field photoluminescence measurement
H. Katsuno, H. Ohta, O. Portugall, N. Ubrig, M. Fujisawa, F. Elmasry, S. Okubo, Y. Fujiwara
J. Luminescence 131 (2011) 2294-2298

151 Electric Polarization Induced by Neel Order without Magnetic Superlattice: Experimental Study of Cu3Mo2O9 and Numerical Study of a Small Spin Cluster
H. Kuroe, T. Hosaka, S. Hachimura, T. Sekine, M. Hase, K. Oka, T. Ito, H. Eisaki, M. Fujisawa, S. Okubo and H. Ohta
J. Phys. Soc. Jpn. 80 (2011) 083705

152 Hogh-Frequency ESR Measurements of S=1/2 1-D Heisenberg Antiferromagnetic Zig-Zag Chain (VO)(SO4)(2,2-bpy)
N. Takahashi, S. Okubo, H. Ohta, T. Sakurai, Y. ishikawa, M. Fujisawa, H. Kikuchi
Appl. Magn. Reson. 40 (2011) 481-487.

153 High field ESR measurements of S=1/2 low dimensional antiferromagnet (2,3-dmpyH)2CuBr4
H. Ohta, T. Yamazaki, S. Okubo, T. Sakurai, M. Fujisawa, H. Kikuchi
J. Phys.: Conf. Series 320 (2011) 012026/1-6

154 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

155 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

156 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, and O. Wada
AIP Conf. Proc. 1399 (2011) 679-680

157 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