report 2004

Contents

1. High Field High -T_c Superconductors

1-1 In-Plane Electrical Resistivity under Strong Magnetic Fields and Stripe Order in La_2-xBa_xCuO₄ around x=1/8

T. Adachi^A, T. Kawamata^A, T. Manabe^A, Y. Koike^A, K. Kudo^B, T. Sasaki^B and N. Kobayashi^B

^A Grad. School of Eng., Tohoku University

^B IMR, Tohoku University

1-2 Thermal Conductivity and Field-Induced Magnetic Order in La_1.87Sr_0.13Cu_1-yM_yO₄ (M-Zn, Ni) and La_2-xBa_xCuO₄

T. Kawamata^A, M. Yamazaki^A, N. Takahashi^A, T. Adachi^A, T. Manabe^A, T. Noji^A, Y. Koike^A, K. Kudo^B, and N. Kobayashi^B

^A Grad. School of Eng., Tohoku University

^B IMR, Tohoku University

1-3 Phase Transition of the Josephson Vortices in YBa₂Cu₃O_7-d Single Crystals with Various Carrier Doping Condition

T. Naito^A, S. Haraguchi^A, H. Iwasaki^A, T. Nishizaki^B and N. Kobayashi^B

^A School of Mat. Sci., Japan Advanced Institute of Science and Technology

^B IMR, Tohoku University

1-4 Electrical Resistivity Parallel to the c-axis of Bi_1.74Pb_0.38Sr_1.88CuO_6+d in Magnetic Fields

K. Kudo, Y. Miyoshi, T. Sasaki and N. Kobayashi

IMR, Tohoku University

1-5 Preparation and Superconducting Property of Ag added YBa₂Cu₃O₇ Bulk

M. Namba, S. Awaji, N. Isono and K. Watanabe

IMR, Tohoku University

1-6　Critical Current Properties of YBCO Coated Conductor under High Magnetic Field

M. Inoue^A, T. Kiss^A, R. Fukamachi^A, K. Yamazaki^A, M. Takeo^A, Y. Iijima^B, K. Kakimoto^B, T. Saitoh^B, S. Awaji^C, K. Watanabe^C, T. Izumi^D and Y. Shiohara^D

^A Grad. School of ISEE, Kyushu University

^B Fujikura, Ltd.

^C IMR, Tohoku University

^D ISTEC-SRL

1-7 High Magnetic Field Transport Properties of (Nd_0.33Eu_0.38Gd_0.28)Ba₂Cu₃O₇ Bulk

N. Isono, S. Awaji, K. Watanabe, M. Miryala ^B, M. Murakami^B,C and N. Koshizuka^B

^A IMR, Tohoku University

^B ISTEC-SRL

^C Shibaura Institute of Technology

1-8 Transport Measurement of Critical Current for (Nd-Eu-Gd)Ba₂Cu₃O_y Bulk Superconductors

T. Kikegawa-Sasaki^A, H. Sasaki^A and S. Awaji^C

^A Ichinoseki National College of Technology

^B IMR, Tohoku University

1-9 Measurement of Critical Current Density in High Magnetic Field for Filamentary Oxide Superconductors and MgB₂ New Superconductors

T. Goto^A, E. Sato^A, K. Watanabe^B and E. Ban^C

^A Fac. of Eng., Nagoya Institute of Technology

^B IMR, Tohoku University

^C Meijo University

1-10 A New Model of Two Directional J_c Distributions for Bi₂Sr₂CaCu₂O₈ Materials

Kenichiro Takahashi, S. Awaji, G. Nishijima and K. Watanabe

IMR, Tohoku University

1-11 Fabrication of Bi-2212/Ag Alloy Sheathed round Wire Knitted with Oxidized Hastelloy Cloth

Y. Hikichi ^A, T. Nakatsu ^A, T. Hasegawa ^A, G. Nishijima ^B, S. Awaji ^B and K. Watanabe ^B

^A Showa Electric Wire & Cable Co. Ltd.

^B IMR, Tohoku University

1-12 Texture and J_c Characteristic of Bi-2223 Superconductors in High Magnetic Fields

A. Nagata^A, X.Y. Lu^A, K Sugawara^A, K. Watanabe^B and T. Nojima^C

^A Fac. of Eng. Resource Sci., Akita University

^B IMR, Tohoku University

^C CLTS, Tohoku University

2. High Field Low-T_c Superconductors

2-1 Vortex Glass Transition in a MgB₂ Film at High Magnetic Fields

T. Nojima^A, H. Nagano^A, T. Nishizaki^B and N. Kobayashi^B

^A CLTS, Tohoku University

^B IMR, Tohoku University

2-2 The Flux Pinning Properties of MgB₂ Thin Films in the High Magnetic Field

T. Fujiyoshi^A, M. Haruta^A, T. Sueyoshi^A, K. Miyahara^A, T. Doi ^B, H. Kitaguchi^C, S. Awaji^D and K. Watanabe^D

^A Fac. of Eng., Kumamoto University

^B Fac. of Eng., Kagoshima University

^C NIMS

^D IMR, Tohoku University

2-3 Stress/Strain Characteristics of Cu Sheath in situ Processed MgB₂ Superconducting Wire

K. Katagiri^A, K. Kasaba^A, Y. Shoji^A, R. Takaya^A, S. Shimura^B, N. Koshizuka^C and K. Watanabe^D

^A Fac. of Eng., Iwate University

^B Tokyo Wire Works, Ltd.

^C SRL., ISTEC

^D IMR, Tohoku University

2-4 Study on the Critical Current Density in Magnetic Fields of MgB₂ Superconductor

T. Kondo, P. Badica, S. Orimo, K. Togano, G. Nishijima and K. Watanabe

IMR, Tohoku University

2-5 Properties of Low-Temperature-Growth Superconducting MgB₂ Thin Films under High Magnetic Fields

T. Kato ^A, Ya. Yamada ^A, S. Kubo^A, Y. Yamada^B, A. Matsushita^C, S. Awaji^D, G. Nishijima^D and K. Watanabe^D

^A Dep. of Phys. Mat. Sci., Shimane University

^B Dep. of Phys., Niigata University

^C NIMS

^D IMR, Tohoku University

2-6 Large T_c, B_c2 and I_C Enhancement Effect due to the Prebending Treatment for Highly Strengthened Nb₃Sn Wires

K. Watanabe^A, S. Awaji^A, H. Oguro^A, G. Nishijima^A, K. Miyoshi^B and S. Meguro^B

^A IMR, Tohoku University

^B The Furukawa Electric Co., Ltd.

2-7 Application of the Prebending Strain Effect of Nb₃Sn Wires to Superconducting Coils Fabricated by React and Wind Method

G. Nishijima^A, H. Oguro^A, S. Awaji^A, K. Watanabe^A, K. Katagiri^B and K. Miyoshi^C

^A IMR, Tohoku University

^B Fac. of Eng., Iwate University

^C The Furukawa Electric Co., Ltd.

2-8 Axial Compressive Properties in Nb₃Sn Coil Wound with CuNb Reinforced Wire

K. Kasaba^A, K. Katagiri^A, Y. Shoji^A, K. Obara^A, G. Nishijima^B, S. Awaji^B, K. Watanabe^B and K. Miyoshi^C

^A Fac. of Eng., Iwate University

^B IMR, Tohoku University

^C The Furukawa Electric Co., Ltd.

2-9 Effect of Prebinding Strain on Superconducting Properties of High Strength Nb₃Sn Superconducting Wires -----Influence of Reinforcement Material and Its Arrangement in the Cross Section -

H. Oguro^A, G. Nishijima^A, S. Awaji^A, K. Watanabe^A , K. Miyoshi^B, S. Meguro^B and G. Iwaki^C

^A IMR, Tohoku University

^B The Furukawa Electric Co., Ltd.

^C Hitachi Cable, Ltd.

2-10 Development of High Strength Nb₃Sn Wire

K. Miyoshi^A, S. Endoh^A, H. Sakamoto^A, H. Tsubouchi^A, S. Meguro^A, G. Nishijima^B, S. Awaji^B and K. Watanabe^B

^A The Furukawa Electric Co., Ltd.

^B IMR, Tohoku University

2-11 Performance Evaluation of R&W Coil Fabricated by Ta Fiber Reinforced Nb₃Sn Wire

M. Ishizuka^A, J. Sakuraba^A, G. Iwaki^B, G. Nishijima^C and K. Watanabe^C

^A Sumitomo Heavy Industries, Ltd.

^B Hitachi Cable, Ltd.

^C IMR, Tohoku University

2-12 High Field and High Pressure Properties in Laves Phase Compound HfV₂

T. Igarashi, K. Koyama, H. Okada and K. Watanabe

IMR, Tohoku University

3. Magnetism in High Fields

3-1 High Field Magnetization in TbRh₂Ge₂ Single Crystal

T. Shigeoka^A, A. Himori^A, K. Koyama^B and K. Watanabe^B

^A Fac. of Sci., Yamaguchi University

^B IMR, Tohoku University

3-2 Physical Properties of Ternary Intermetallic Compounds with Spin Frustration under High Field

D.X. Li, Y. Shiokawa, Y. Honma and K. Koyama

IMR, Tohoku University

3-3 Investigation of the Magnetism of UGe₂ in Static High Magnetic Fields

T. Sakon^A, N.K. Sato^B, T. Nojima^C, K. Koyama^D, S. Awaji^D, K. Watanabe^D, N. Kobayashi^D and I. Sato^D

^A Fac. of Eng. Resource Sci., Akita University

^B Grad. School of Sci., Nagoya University

^C CLTS, Tohoku University

^D IMR, Tohoku University

3-4 Relaxation in Field-Induced Insulator to Metal Transition of Bilayer Manganite Single-Crystals

M. Matsukawa^A, H. Noto^A, K. Akasaka^A, K. Koyama^B, N. Kobayashi^B, S. Nimori^C, R. Suryanarayanan^D and A. Revcolevschi^D

^A Fac. of Eng., Iwate University

^B IMR, Tohoku University

^C NIMS

^D Universite Paris-Sud

3-5 Structural and Optical Studies of Single-Crystal La_7/8Sr_1/8MnO₃

H.L. Liu^A, J.L. Her^A, Y.M. Mukovskii^B and K. Koyama^C

^A Dept. of Phys., National Taiwan Normal University

^B Moscow Steel and Alloys Institute

^C IMR, Tohoku University

3-6 High Filed X-ray Diffraction Studies on Gd₅(Ge_1.8Fe_0.2)Si₂

J.L. Her^A,B, K. Koyama^A, K. Watanabe^A, V. Provenzano^C, F. Fu^C, A.J. Shapiro^C and R.D. Shull^C

^A IMR, Tohoku University

^B Dept. of Phys., National Taiwan Normal University

^C NIST, USA

3-7 Observation of a Field-Induced Isostructural Transformation in MnFeP_0.5As_0.5 by High Field X-ray Diffraction Measurement

K. Koyama ^A, T. Kanomata ^B and K. Watanabe ^A

^A IMR, Tohoku University

^B Fac. of Eng., Tohoku Gakuin University

3-8 Magnetic and Martensitic Properties of Ternary Compounds MM’_1-xX(MM’:3d metal, X:Si,Ge)

T. Kanomata^A, O. Nashima^A, D. Kikuchi^A, K. Koyama^B and K. Watanabe^B

^A Fac. of Eng., Tohoku Gakuin University

^B IMR, Tohoku University

3-9 Investigation of Magnetic Property of ErCo₂ in Magnetic Field by Means of X-ray Diffraction

S. Notsu ^A, Y. Takaesu ^A, K. Koyama ^B, K. Uchima ^A, T. Nakama ^A, K. Watanabe ^B and K. Yagasaki ^A

^A Fac. of Sci., University of the Ryukyus

^B IMR, Tohoku University

3-10 ²D-NMR Study on the Deuterated Quantum Spin System ND₄CuCl₃

T. Goto^A, H. Inoue^A, T. Saitoh^A, T. Suzuki^A, H. Tanaka^B, T. Sasaki^C, N. Kobayashi^C, S. Awaji^C and K. Watanabe^C

^A Fac. of Sci. Tech., Sophia University

^B Tokyo Institute of Technology

^C IMR, Tohoku University

3-11 Quantum Dynamics of Nano-Molecular Cluster

H. Nojiri^A,B

^A IMR, Tohoku University

^B CREST-JST

3-12 Direct Observation of Level Anticrossing in a Spin Gap System CuHpCl

Y. Inagaki^A, T. Asano^A and K. Koyama^B

^A Dep. of Chem., Kyushu University

^B Dep. of Phys., Kyushu University

^C IMR, Tohoku University

3-13 A Study of Magnetic Anisotropies in R₂Fe₁₇N_x (0<x<3) Systems (R=Sm, Y, TM=Fe,Co,Ni)

K. Kobayashi^A , H. Kato^B and K. Koyama^C

^A Shizuoka Institute of Science and Technology

^B Dep. of Appl. Phys., Tohoku University

^C IMR, Tohoku University

3-14 High Field Transport Properties of IV-Group Diluted Magnetic Semiconductor Ge:Cr

H. Hori^A, Y. Yamamoto^A, S. Itaya^A, T. Takenobu^B and Y. Iwasa^B

^A School of Mat. Sci., JAIST

^B IMR, Tohoku University

4. Other High Field Physical Properties

4-1 Magneto-Optical Spectra in Diluted Magnetic Semiconductors at High-Fields and High-Pressures

Y.H. Matsuda ^A and K. Koyama^B

^A Fac. of Sci., Okayama University

^B IMR, Tohoku University

4-2 Physical Properties of Spinel Compound under High Magnetic Field

H. Okada, K. Koyama and K. Watanabe

IMR, Tohoku University

4-3 Superconductivity of InN Based-Nitride Semiconductor

T. Inushima^A, T. Takenobu^B and M. Motokawa^B

^A Fac. of Eng., Tokai University

^B IMR, Tohoku University

4-4 Magneto-Resistance of Bismuth under High Magnetic Field

S. Yamaguchi^A, M. Hamabe^A, S. Yamamoto^A, I. Yonenaga^B and K. Watanabe^B

^A Dep. of Eng., Chubu University

^B IMR, Tohoku University

4-5 Magnetooptical Measurements of Low Dimensional Organic Conductors

H. Ohta^A, M. Kimata^B, K. Koyama^C, M. Motokawa^C, Y. Oshima^C, H. Ito^D, S. Kuroda^D, H. Nishikawa^E, K. Kikuchi^F, I. Ikemoto^F, M. Umemiya^F, H. Miyasaka^F, K. Sugiura^F and M. Yamashita^G

^A Molecular Photoscience Res. Center, Kobe University

^B Grad. School of Sci. Tech., Kobe University

^C IMR, Tohoku University

^D Dep. of Eng., Nagoya University

^E Dep. of Chem., University of Tsukuba

^F Grad. School of Sci., Tokyo Metropolitan University

^G Dep. of Chem., Tohoku University

4-6 Electronic Properties of the Two-Dimensional Organic Conductor, t-(EDO-S,S-DMEDT-TTF)₂(AuCl₂)_1+y in High Magnetic Field

K. Murata^A, T. Nakanishi^A, M. Teramura^A, H. Yoshino^A, T. Sasaki^B and G.C. Papavassiliou^C

^A Grad. School of Sci., Osaka City University

^B IMR, Tohoku University

^C Theor. and Phys. Chem. Inst., NHRF, Greece

4-7 Superlattice Structure due to Anion Ordering in the Field-Induced Spin-Density-Wave Phase

N. Matsunaga^A, A. Abe^A, K. Hino^A, K. Nomura^A, T. Sasaki^B, M. Watanabe^C, J. Yamada^C and S. Nakatsuji^C

^A Grad. School of Sci., Hokkaido University

^B IMR, Tohoku University

^C Dep. of Mater. Sci., Himeji Institute of Technology

4-8 Quantum Fluctuation Effects in the Quasi Two Dimensional Organic Superconductors

J. Abe, T. Sasaki, N. Yoneyama and N. Kobayashi

IMR, Tohoku University

4-9 Thermophysical Property Measurements of Non-Equilibrium Melts using an Electromagnetic Levitator in a Static Magnetic Field

H. Fukuyama^A, H. Kobatake^A, H. Kawamura^B, I. Minao^B and S. Awaji^C

^A IMRAM, Tohoku University

^B Grad. School. of Sci Eng., Tokyo Institute of Technology

^C IMR, Tohoku University

4-10 Dislocation Activities under Magnetic Field in Semiconductors

I. Yonenaga, I. Tozawa and K. Takahashi

IMR, Tohoku University

4-11 Effect of the Magnetic Field on the Melting Transition of InSb Measured by a High Magnetic Field DTA

T. Onogi, H. Takahashi, S. Awaji , K. Koyama and K. Watanabe

IMR, Tohoku University

4-12 Structural Modification of Thin Films Composed of Neutral Metal Complex Polymers by High Magnetic Field

T. Sugimoto^A,B, Z. Zhang^A,B, T. Hayashi^A, H. Fujiwara^A,B, N. Kuroda^C, Hasanudin^C, K. Watanabe^D and I. Mogi^D

^A Res. Inst. Adv. Sci. Tech., Osaka Prefecture University

^B CREST-JST

^C Dept. of Mech. Eng. Mat. Sci., Kumamoto University

^D IMR, Tohoku University

5. Chemistry, Biology and Crystal Growth in High Fields

5-1 Melt Growth of Benzophenone under Magnetic Levitation Condition

K. Takahashi, I. Mogi, T. Onogi, S. Awaji and K. Watanabe

IMR, Tohoku University

5-2 High-Magnetic-Field Annealing and Coercivity in Sintered Nd-Fe-B Type Magnets

H. Kato^A, T. Akiya^A, T. Miyazaki^A K. Koyama^B and M. Sagawa^C

^A Dep. of Appl. Phys., Tohoku University

^B IMR, Tohoku University

^C Intermetallics Co., Ltd

5-3 Effect of Magnetic Field for the Growth Kinetics and Pattern Formation of Ice Crystal

Y. Furukawa^A, H. Nakaya^A, C. Katagiri^A, Y. Matsuura^B , T. Maki^C and I. Mogi^D

^A Inst. Low Temp. Sci., Hokkaido University

^B Inst. Protein Res., Osaka University

^C Olympus Co. Ltd.

^D IMR, Tohoku University

5-4 Chirality of Magnetoelectropolymerized Conducting Polymer Films

I. Mogi and K. Watanabe

IMR, Tohoku University

5-5 Thermal Convection of Melt of Phosphate Glasses under Magnetic Field

N. Kitamura^A, K. Fukumi^A, J. Nishii^A, K. Takahashi^B, I. Mogi^B, S. Awaji^B and K. Watanabe^B

^AAIST

^BIMR, Tohoku University

5-6 Crystal Growth of Charge-Transfer Complexes under Strong Magnetic Field

N. Kuroda^A,B, Hasanudin^B, T. Sugimoto^C, I. Mogi^B,D and K. Watanabe^B,D

^A Dep. of Mech. Eng. Mat. Sci., Kumamoto University

^BCREST-JST

^CRes. Inst. Adv. Sci. Tech., Osaka Prefecture University

^DIMR, Tohoku University

5-7 Dynamics of Electric Conduction in Liquid and Solid States, Semiconductors and Polymer Membrance

T. Ito^A, M. Hafezzula^A, H. Nonoyama^A, M. Ogita^A, I. Mogi^B and S. Awaji^B

^A Fac. of Eng., Shizuoka University

^B IMR, Tohoku University

6. High Field Magnet Technology and Related Experimental Technique

6-1 Performance Test of 30 T Cryogen-Free Hybrid Magnet

G. Nishijima^A, K. Takahashi^A, S. Awaji^A, K. Koyama^A, K. Watanabe^A, N. Kobayashi^A, M. Ishizuka^B, T. Ito^B, T. Tsurudome^B and J. Sakuraba ^B

^A IMR, Tohoku University

^B Sumitomo Heavy Industries, Ltd.

6-2 Development of 18 T Helium-Free Superconducting Magnet

S. Hanai^A, M. Kyoto^A, T. Kurusu^A, K. Tasaki^A, M. Takahashi^A, K. Watanabe^B, S. Awaji^B and G. Nishijima^B

^A Toshiba Corporation

^B IMR, Tohoku University

6-3 Development of the Magnetometer at High Pressure, Low Temperature and High Magnetic Fields over 20 T in the Hybrid Magnet

K. Koyama, S. Miura, H. Okada and K. Watanabe

IMR, Tohoku University