251 Electron spin-resonance studies of conduction electrons in phosphorus-doped silicon nanocrystals

K. Sumida, K. Ninomiya, M. Fujii, K. Fujio, S. Hayashi, M. Kodama, H. Ohta

J. Appl. Phys. 101 (2007) 033504-1-5

252 Magnetic properties of Er,O-codoped GaAs at low temperature

S. Takemoto, T. Terao, Y. Terai, M. Yoshida, A. Koizumi, H. Ohta, Y. Takeda, N. Fujimura, and Y. Fujiwara

phys. stat. sol. (c ) 3(12) (2006) 4082-4085

253 High field ESR study of one-dimensional S=1/2 Heisenberg antiferromagnet with next-nearest exchange interaction

H. Ohta, S. Takano, S. Okubo, M. Yoshida, H. Kikuchi

J. Mag. Mag. Mat. 310 (2007) 1234-1235

254 Anomalous ESR behavior in charged-ordered insulator Na0.5CoO2

T. Sakurai,  S. Takano, H. Ohta, H. Sakurai, E. Takayama-Muromachi

J. Mag. Mag. Mat. 310 (2007) e275-e277

255 High field ESR studies of layered manganese oxides A4Mn3O10 (A=Ba, Sr)

N. Souda, W. Zhang, T. Sakurai, S. Okubo, H. Ohta, K. Nishimura, H. Sakurai, K. Yoshimura, E. Takayama-Muromachi

J. Mag. Mag. Mat. 310 (2007) 1829-1831

256 High-frequency ESR measurements of the Co spinel compound SiCo2O4

W. Zhang, S. Okubo, H. Ohta, T. Saito and M. Takano

J. Phys.: Condens. Matter 19 (2007) 145264-1-6

257 Submillimeter and millimeter wave ESR study of manganese spinel compound LiMn2O4

S. Takano, T. Kaji, S. Okubo, H. Ohta, M. Yoshida, S. Kimura, R. Dziembaj, M. Molenda, C. Rudowicz, Y. Inagaki and T. Asano

J. Phys.: Condens. Matter 19 (2007) 145266-1-6

258 Development of high-pressure, high-field and multifrequency electron spin resonance system

T. Sakurai, A. Taketani, T. Tomita, S. Okubo, H. Ohta, Y. Uwatoko

Rev. Sci. Inst. 78 (2007) 065107-1-

259 Analysis of the temperature dependence of the high-frequency EMR spectra of Mn ions in the lithium-ion battery material LiMn2O4

A.Rudowicz, I. Stefaniuk, R. Dziembaj, H. Ohta, M. Molenda, S. Okubo and M. Yoshida

Res. Chem. Intermed. 33(8-9) (2007) 853-862.

260 Anomalous Polarization Characteristics of Magnetic Resonance in a Quasi-One-Dimensional CuGeO3: Co Magnet
S. V. Demishev, A. V. Semeno, H. Ohta, S. Okubo, I. E. Tarasenko, T. V. Ishchenko,N. A. Samarin, and N. E. Sluchanko
Physics of the Solid State, 2007, Vol. 49, No. 7, pp. 1295–1304.