229.Crystal structure and properties of phosphate PbCu2(PO4)2 with spin-singlet
ground state

"A. A. Belik, M. Azuma, A. Matsuo, T. kaji, S. Okubo, H. Ohta, K. Kindo and
M. Takano"

Phys. Rev. B 73 (2006) 024429 1--7



230 High Field ESR Study of Three Dimensional Spin Frustrated System MgCr2O4

"M. Yoshida, T. Hirano, Y. Inagaki, S. Okubo, H. Ohta, H. Kikuchi, I. Kagomiya,
M. Toki and K. Kohn"

J. Phys. Soc. Jpn. 75 (2006) 044709 1-4



"231 Thermally Induced Changes in the Structure, Composition, and Chemical
Properties of LiMn2O4±x Spinel Prepared by Sol-Gel Method"

"M. Molenda, R. Dziembaj, W. Lasocha, C. Rudowicz, L. M. Proniewicz, E. Podstawka
and H. Ohta"

Jpn. J. Appl. Phys. 45 (6A) (2006) 5132-5137.



232 Quantum critical behavior induced by Mn impurity in CuGeO3

"A.V. Semeno, N.E. Sluchanko, N.A. Samarin, A.A. Pronin, H. Ohta, S. Okubo,
S.V. Demishev"

Physica B 378-380 (2006) 115-116.



233 Reply to comment

"H. Kikuchi, Y. Fujii, M. Chiba, S. Mitsudo, T. Idehara, T. Tonegawa, K.
Okamoto, "

"T. Sakai, T. Kuwai and H. Ohta"

Phys. Rev. Lett. 97 (2006) 089702.



234 High field ESR study of frustrated spinel system LiCrTiO4

"H. Ohta, S. Okubo S. Ono and H. Kikuchi"

phys. Stat. Sol. ( c) 3(8) (2006) 2816-2819.



235 High frequency ESR measurements of one-dimensional edge-sharing CuO2
chain system Ca2Y2Cu5O10

"S. Okubo, K. Kawakami, M. Yoshida and H. Ohta"

phys. Stat. Sol. ( c) 3(8) (2006) 2828-2831.



236 High frequency ESR measurements of high pressure phase SiCo2O4

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

phys. Stat. Sol. ( c) 3(8) (2006) 2824-2827.



237 High field ESR measurements on the lithium-ion battery substance LiMn2O4

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

phys. Stat. Sol. ( c) 3(8) (2006) 2820-2823.



238 New polarization effect and collective excitation in S=1/2 quasi 1D antiferromagnetic
quantum spin chain

"S.V. Demishev, A.V. Semeno, H. Ohta, S. Okubo, I.E. Tarasenko, T.V. Ishchenko
and N.E. Sluchanko"

JETP Letters 84(5) (2006) 305-309.



239 ESR Measurements on One-Dimensional Quantum Ferrimagnets A3Cu3(PO4)4
with A=Sr and Ca in Submillimeter-Wave Region

"S. Kimura, H. Ishikawa, Y. Inagaki, M. Yoshida, S. Okubo, H. Ohta, H. Nojiri,
A.A. Belik, M. Azuma and M. Takano"

J. Phys. Soc. Jpn. 75(9) (2006) 094718-1-7.



240 Detailed Fermi Surface Topology of the Quasi-One-Dimensional Conductor
(DMET)2I3

"M. Kimata, Y. Oshima, K. Koyama, H. Ohta, M. Motokawa, H. Nishikawa, K.
Kikuchi and I. Ikemoto"

J. Low Temp. Phys. 142 (2006) 523-526.



"241 Submillimeter and Millimeter Wave ESR Measurements of the S=1/2 One
Dimensional Zigzag Chain MCuO2O7 (M=Sr, Pb)"

"K. Shiraki, M. Yoshida, S. Okubo, H. Ohta, M. Sakamoto, S. Miyashita, Alexei
A. Belik, M. Azuma, and M. Takano"

American Institute of Physics CP850 (2006) 1025-1026.



242 High Field ESR Measurements of the Organic Magnet F5PNN

"M. Kodama, T. Sakurai, S. Okubo, H. Ohta, and Y. Hosokoshi"

American Institute of Physics CP850 (2006) 1027-1028.



"243 Submillimeter Wave ESR Measurements of the S=1/2 Trimer Chain M3Cu3(PO4)4
(M=Sr, Ca)"

"S. Okubo, H. Ishikawa, H. Ohta, S. Kimura, Y. Inagaki, A.A. Belik, M. Azuma,
and M. Takano"

American Institute of Physics CP850 (2006) 1037-1038.



244 ESR Measurements of KCuCl3 under Multi Extreme Conditions

"T. Sakurai, A. Taketani, S. Kimura, M. Yoshida, S. Okubo, H. Ohta, H. Tanaka,
and T. Uwatoko"

American Institute of Physics CP850 (2006) 1057-1058.



245 Highly Sensitive Detection of Pulsed Field ESR Using a Cantilever at
Low Temperature

"H. Ohta, M. Kimata, S. Okubo, E. Ohmichi and T. Osada"

American Institute of Physics CP850 (2006) 1643-1644.



246 ESR studies of quantum spin systems using the pulsed magnetic field

"H. Ohta, M. Yoshida, S. Okubo, T. Ito, H. Takagi, Y. Ajiro"

J. Phys.: Conf. Series 51 (2006) 15-22.



247 Fermi surface study of organic conductors using a magneto-optical measurement
under high magnetic fields

"M. Kimata, H. Ohta, K. Koyama, M. Motokawa, R. Kondo, S. Kagoshima, H. Tanaka,
M. Tokumoto, H. Kobayashi, A. Kobayashi"

J. Phys.: Conf. Series 51 (2006) 359-362.



248 Development and application of high field and high pressure ESR system

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

J. Phys.: Conf. Series 51 (2006) 565-568.



249 Recent developments of high field ESR systems in Kobe

"H. Ohta, M. Tomoo, S. Okubo, T. Sakurai, M. Fujisawa, T. Tomita, M. Kimata,
T. Yamamoto, M. Kawauchi and K. Kindo"

J. Phys.: Conf. Series 51 (2006) 611-614.



"250 Low-temperature Fermi surface of the organic conductor b’’-(BEDT-TTF)(TCNQ)(1-x)(F1-TCNQ)x
(x=0,0.05) from magnetooptical measurements"

"M. Kimata, Y. Oshima, H. Ohta, K. Koyama, M. Motokawa, H. M. Yamamoto and
R. Kato"

Phys. Rev. B 75 (2007) 045126-1-9