58.　Magnetism of C60-based Molecular Complexes: High-field Magnetization and Magneto-optical Study
S. V. Demishev, N. E. Sluchankol, L. Weckhuysen, V. V. Moshchalkov, H. Ohta, S. Okubo, Y. Oshima and N. G. Spitsina
Phys. Solid State, 44(4), (2002) 441-443.

59.　High Field ESR Study of BaCu2 (Si2-xGex) 2O7 Single Crystal
H. Ohta, K. Kawakami, Y. Inagaki, S. Okubo, T. Kunimoto and Z. Hiroi
Prog. Theo. Phys. Suppl. 145 (2002) 95-100.

60.　High field ESR measurements of quantum antiferromagnetic chain substances BaCu2(Si2-xGex) 2O7
H. Ohta, K. Kawakami, S. Okubo, T. Kunimoto, Z. Hiroi, T. Yamada and M. Takano
J. Phys. Chem. Solids 63 (2002) 1107-1110.

61.　X-band ESR Measurements of Et2Me2P[Pd(dmit)2]2
T. Sakurai, H. Ohta, S. Okubo, R. Kato and T. Nakmura
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 197-200.

62.　ESR Measurement of Heavily Doped Si:Fe
R. Koyama, J. Yoshikawa, T. Kunimoto, S. Okubo, H. Ohta and H. Nakayama
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdum, 2002) 298-301.

63.　ESR Study of Heavily Doped GaAs:Er Grown by Organometallic Vapor Phase Epitaxy
J. Yoshikawa, S. Okubo, H. Ohta, T. Koide, T. Kawamoto, Y. Fujiwara and Y. Takeda
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 302-305.

64.　EPR Evidence of Onset of the Quantum Critical Point in CuGeO3:Fe
S. V. Demishev, R. V. Bunting, H. Ohta, S. Okubo, Y. Oshima and N. E. Sluchanko
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 741-746.

65.　Millimeter and Submillimeter Wave ESR Measurements of Spin Ladder System Sr(Cu1-xZnx)2O3
S. Okubo, K. Hazuki, T. Sakurai, H. Ohta, H. Yoshida, M. Azuma and M. Takano
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 747-750.

66.　ESR Study on Magnetic Ordering of Spin-frustrated Antiferromagnet ZnCr2O4
H. Kikuchi, H. Ohta, S. Okubo, I. Kagomiya, M. Toki, K. Kohn and K. Shiratori
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 755-758.

67.　ESR study of Frustrated Spin Chain [Cu(bpy)H2O][Cu(bpy)(mal)H2O](ClO4)2
T. Kunimoto, T. Kamikawa, S. Okubo, H. Ohta and H. Kikuchi
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 759-762.

68.　Millimeter Wave ESR Measurement of Diamond Chain Substance Azurite
T. Kamikawa, T. Kunimoto, S. Okubo, H. Ohta and H. Kikuchi
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 763-766.

69.　High Field ESR of (Ca1-ySry)1-xCuO2 with Edge-sharing CuO2 Chain
K. Kawakami, A. Ueda, H. Ohta, S. Okubo, Z. Hiroi and M. Takano
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 767-770.

70.　High Field ESR Measurements of (VO)2P2O7
Y. Nagasaka, T. Kunimoto, S. Okubo, H. Ohta, Y. Yamauchi and Y. Ueda
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 771-774.

71.　High Field ESR Measurements of Cu2(C5H12N2)2Cl4 Under High Pressure
M. Saruhashi, T. Sakurai, K. Kirita, T. Kunimoto, S. Okubo, H. Ohta, H. Kikuchi and Y. Uwatoko
in EPR in the 21st Century: Basics and Applications to Material, Life and Earth Sciences, A. Kawamori, J. Yamauchi and H. Ohta eds., (Elsevier, Amsterdam, 2002) 803-806.

72.　Frequency Dependence Millimeter Wave ESR Measurements of Et2Me2P[Pd(dmit)2]2
T. Sakurai, Y. Inagaki, S. Okubo, H. Ohta, R. Kato and T. Nakamura
Mol. Cryst. Liq. Cryst. 379 (2002) 59-64.

73.　Millimeter Wave ESR Measurements of (DMET) 2FeBr4
K. Kirita, Y. Inagaki, S. Okubo, H. Ohta, K. Enomoto, A. Miyazaki and T. Enoki
Mol. Cryst. Liq. Cryst. 379 (2002) 29-34.

74.　Development of a high-field ESR system under high pressure
H. Ohta, T. Sakurai, S. Okubo, M. Saruhashi, T. Kunimoto, Y. Uwatoko and J. Akimitsu
J. Phys.: Cond. Matt. 14 (2002) 10637-10640.

75.　Low Dimensionality Observed by ESR Measurements in S=1 Spin Ladder Substance BIP-TENO (3,3',5,5'-tetrakis(N-tert-butylaminoxyl)biphenyl)
H. Ohta, K. Kirita, T. Kunimoto, S. Okubo, Y. Hosokoshi, K. Katoh, K. Inoue, A. Ogasahara, S. Miyashita,
J. Phys. Soc. Jpn. 71 (2002) 2640-2643.