146.　New Magneto-Optical Effect in Co-Doped CuGeO3
A. V. Semeno, H. Ohta, S. Okubo, N. E. Sluchanko, I. E. Tarasenko, A. V. Kuznetsov, T. V. Ishchenko, S. V. Demishev
Appl. Magn. Reson. 33 (2008) 3-9.

147.　Magnetic Interactions in Frustrated Mn3Fe4(VO4)6
N. Guskos, H. Ohta, G. Zolnierkiewicz, S. Okubo, W. Zhang, J. Typek, C. Rudowicz, Szymczk, M. Bosacka, T. Nakamura
J. Non-Cryst. Solids 355 (2009) 1419-1426.

148.　High field ESR measurements of quantum triple chain system Cu3(OH)4SO4
S. Okubo, H. Yamamoto, M. Fujisawa, H. Ohta, T. Nakamura, H. Kikuchi
J. Phys.: Conf. Serie. 150 (2009) 042156

149.　High frequency ESR measurements of Co-delta chain
W. Zhang, S. Okubo, M. Fujisawa, T. Tomita, H. Ohta, H. Kikuchi
J. Phys.: Conf. Serie. 150 (2009) 042243

150.　High-field and high-pressure ESR measurements of SrCu2(BO3)2
H. Ohta, M. Fujisawa, N. Souda, S. Okubo, E. Ohmichi, T. Sakurai, H. Kikuchi, T. Ono, H. Tanaka, K. Matsubayashi, Y. Uwatoko
J. Phys.: Conf. Serie. 150 (2009) 042171

151.　Magnetic Susceptibility Measurement Under High Pressure and Magnetization Measurement of S=1/2 Dioptase Lattice Antiferromagnet
A.Rudowicz, I. Stefaniuk, R. Dziembaj, H. Ohta, M. Molenda, S. Okubo and M. Yoshida
J. Phys.: Conf. Serie. 150 (2009) 042151

152.　Impurity effect of an S=1/2 two leg spin ladder antiferromagnet [Ph(NH3)]([18]crown-6)[Ni(dmit)2] studied by ESR
Masashi Fujisawa, Atsushi Asakura, Susumu Okubo, H. Ohta, S. Nishihara, T. Akutagawa, T. Nakamura, Y. Hosokoshi
J. Phys.: Conf. Serie. 150 (2009) 042034

153.　High-Frequency Study of the Orbital Ordering Resonance in the Strongly Correlated Heavy Fermion Metal CeB6
S. V. Demishev, A. V. Semeno, H. Ohta, S. Okubo, Yu. B. Paderno, N. Yu. Shitsevalova, N. E. Sluchanko
Fermion Metal CeB6”, Appl. Magn. Reson. 35 (2008) 319-326

154.　ESR Probing of Quantum Critical Phenomena in Doped S=1/2 AF Quantum Spin Chain
S. V. Demishev, A. V. Semeno, N. E. Sluchanko, N. A. Samarin, I. E. Tarasenko, H. Ohta, S. Okubo
Appl. Magn. Reson. 35 (2008) 327-335

155.　High Field ESR Measurements on One Dimensional Antiferromagnetic Zigzag Chain Systems
H. Ohta, S. Okubo, K. Shiraki, M. Yoshida, A.A. Belik, M. Azuma and M. Takano
J. Korean Phys. Soc. 53(2) (2008) 999-1005.

156.　S=1/2 Kagome Lattice Antiferromagnet Cu3V2O7(OH)2·2H2O Studied by High Field ESR
H. Ohta , W. Zhang , S. Okubo , M. Tomoo , M. Fujisawa , H. Yoshida , Y. Okamoto , Z. Hiroi
J. Phys.: Conf. Series 145 (2009) 012010.

157.　High field ESR measurements of S=1/2 kagome Heisenberg antiferromagnet ZnCu3(OH)6Cl2
S. Okubo, M. Tomoo, H. Ohta, and H. Kikuchi
J. Phys.: Conf. Series 145 (2009) 012011.

158.　Multi-frequency ESR study of S=1/2 frustration systems ZnxCu4-x(OH)6Cl2
M. Tomoo, S. Okubo, T. Sakurai, T. Tomita, M. Fujisawa, H. Ohta H. Kikuchi
J. Phys.: Conf. Series 145 (2009) 012035.

159.　Dzyaloshinsky-Moriya interaction in the S=1/2 quasi-one-dimensional antiferromagnet Cu2Cl4H8C4O2 as determined via high-frequency ESR
M. Fujisawa, K. Shiraki, S. Okubo, H. Ohta, M. Toshida, H. Tanaka, T. Sakai
Phys. Rev. B 80 (2009) 012408/1-4.

160.　Development and Applications of High-Frequency ESR up to 55 T
H. Ohta, S. Okubo, N. Souda, M. Tomoo, T. Sakurai, T. Yoshida, E. Ohmichi, M. Fujisawa, H. Tanaka, R. Kato
Appl. Magn. Reson. 35 (2009) 399-410