Report 2012

Contents

1. High Field High -T_c Superconductors

1-1 Magnetic Impurity Effect on Dirac Cones in Iron Pnictide Ba(Fe_1-xMnxAs)₂

Y. Tanabe¹, S. T. Urata¹, K. K. Huynh¹, H. Oguro², K. Watanabe², S. Heguri³ and K. Tanigaki^{1, 3}

¹ Department of Physics, Tohoku University

² IMR, Tohoku University

³ WPI-AIMR, Tohoku University

1-2 Magneto-Transport Properties of Oxygen-Annealed Fe(Te, Se) Single Crystals

T. Tamegai¹, Y. Sun¹, T. Taen¹, S. Pyon¹ and T. Nishizaki²

¹ Faculty of Engineering, The University of Tokyo

² IMR, Tohoku University

1-3 Electron Correlation and Annealing Effects Studied by Thermal Conductivity in Magnetic Fields for the Iron-Based Superconductor FeSe_1-xTe_x

T. Kawamata¹, M. Ohno¹, T. Noji¹, Y. Matsuoka¹, T. Adachi¹, T. Sasaki² and Y. Koike¹

¹ Faculty of Engineering, Tohoku University

² IMR, Tohoku University

1-4 Resistive Transition of Bi-2223 Single Crystals under the Magnetic Field

T. Usui¹, S. Adachi¹, T. Watanabe¹, T. Nishizaki², S. Kimura², T. Noji³ and Y. Koike³

¹ Graduate School of Science and Technology, Hirosaki University

² IMR, Tohoku University

³ Graduate School of Engineering, Tohoku University

1-5 Transport Properties in Magnetic Fields for the Metallic Double Chain Compound

T. Chiba¹, T. Fujiwara¹, M. Matsukawa¹, M. Hagiwara² and T. Sasaki³

¹ Faculty of Engineering, Iwate University

² Kyoto Institute of Technology

³ IMR, Tohoku University

1-6 Improvement of J_c for GdBCO Coated Conductors by Anneling under Strain

T. Suzuki¹, S. Awaji¹, H. Oguro¹, K. Watanabe¹, M. Sugano², S. Machiya³, M. Sato⁴ and T. Izumi⁵

¹ IMR, Tohoku University

² High Energy Accelerator Research Organization

³ Daido University

⁴ Japan Synchrotron Radiation Research Institute

⁵ Superconductivity Research Laboratory, ISTEC

1-7 Effect of Crystal Orientation on Strain Dependence of I_c for GdBCO Coated Conductor

T. Suwa¹, H. Oguro¹, S. Awaji¹, K. Watanabe¹, T. Machi², M. Yoshizumi² and T. Izumi²

¹ IMR, Tohoku University

² Superconductivity Research Laboratory, ISTEC

1-8 Strain Effect on Critical Current, Ic in GdBCO CC Tapes under B//c-axis Magnetic Field

H. S. Shin¹, M. J Dedicatoria¹, A. Gorospe¹, T. Suwa², H. Oguro², S. Awaji² and K. Watanabe²

¹ Department of Mechanical Design Engineering, Andong National University

² IMR, Tohoku University

1-9 Flux Pinning and E-J Characteristics of REBCO Superconducting Thin Film

Y. Kikuchi¹, S. Awaji¹, K. Watanabe¹, A. Tsuruta², Y. Yoshida², and K. Matsumoto³

¹ IMR, Tohoku University

² Graduate School of Engineering, Nagoya University

³ Graduate School of Engineering, Kyushu Institute of Technology

1-10 Flux Pinning Properties of YBCO Films with BaZrO₃ Pinning Centers by TFA-MOD Method

R. Teranishi¹, K. Konya¹, K. Yamada¹, K. Kaneko¹, T. Kiss¹, M. Yoshizumi², T. Izumi², S. Awaji³ and K. Watanabe³

¹ Faculty of Engineering, Kyushu University

² Superconductivity Research Laboratory, ISTEC

³ IMR, Tohoku University

1-11 Superconducting Transport Properties in High Magnetic Fields of Nano-Structured RE-Ba-Cu-O Superconducting Films

Y. Ichino¹, Y. Sawano¹, A. Tsuruta¹, Y. Yoshida¹ and S. Awaji²

¹ Faculty of Engineering, Nagoya University

² IMR, Tohoku University

1-12 Current Transport Properties of RE123 Coated Conductor

M. Inoue¹, Y. Yamaguchi¹, T. Sakakibara¹, K. Imamura¹, K. Higashikawa¹, T. Kiss¹,S. Awaji², K. Watanabe², Y. Iijima³, T. Saitoh³, H. Tobita⁴, M. Yoshizumi⁴ and T. Izumi⁴

¹ Graduate School of Information Science and Electrical Engineering, Kyushu University

² IMR, Tohoku University

³ Fujikura Ltd.

⁴ Superconductivity Research Laboratory, ISTEC

1-13 Mechanical Joint Test of ReBCO Conductor Having Large Current Capacity

S. Ito¹, H. Hashizume¹, T. Ohinata¹, K. Kawai¹ Y. Seino¹ and H. Oguro²

¹ Faculty of Engineering, Tohoku University

² IMR, Tohoku University

2. High Field Low -T_c Superconductors

2-1 High Critical Current Density in Textured Sr_1-xK_xFe₂As₂ Tapes for High Field Applications

Z. S. Gao¹, Y. W. Ma¹, C. Yao¹, X. P. Zhang¹, D. L. Wang¹, S. Awaji² and K. Watanabe²

¹ Institute of Electrical Engineering, Chinese Academy of Sciences

² IMR, Tohoku University

2-2 Mechanical and Superconducting Properties of Nb-Rod-Processed CuNb Reinforced Nb₃Sn Superconducting Wires

H. Oguro¹, S. Awaji¹, K. Watanabe¹, M. Sugimoto² and H. Tsubouchi²

¹ IMR, Tohoku University

² Furukawa Electric Co. Ltd.

2-3 Tensile Strain Dependence of Critical Current in RHQ-Nb³Al Wires

X. Jin¹, T. Nakamoto¹, M. Iio¹, T. Ogitsu¹, K. Tsuchiya¹, A. Yamamoto¹, A. Kikuchi², T. Takeuchi², H. Oguro³ and S. Awaji³

¹ High Energy Accelerator Research Organization

² National Institute for Materials Science

³ IMR, Tohoku University

2-4 Stress/Strain Characteristics and Their Hysteretic Effect of Practical Superconducting Wire

K. Kasaba¹, H. Oguro² and S. Awaji²

¹ Faculty of Engineering, University of Toyama

² IMR, Tohoku University

3. Magnetism in High Fields

3-1 Correlations between Crystallography and Magnetism in Co Doped Ni2MnGa Magnetic Shape Memory Alloys

T. Sakon¹, K. Sasaki², Y. Adachi³, H. Nojiri⁴ and T. Kanomata^{5, 6}

¹ Faculty of Science and Technology, Ryukoku University

² Graduate School of Engineering and Resource Science, Akita University

³ Faculty of Engineering, Yamagata University

⁴ IMR, Tohoku University

⁵ Faculty of Engineering, Tohoku Gakuin University

⁶ Graduate School of Engineering, Tohoku University

3-2 Magnetic and Transport Properties of Heusler Alloys Pd₂MnIn under High Magnetic Field

H. Okada¹, Y. Yamazaki¹, T. Kanomata^{1, 2} and S. Awaji³

¹ Faculty of Engineering, Tohoku Gakuin University

² Faculty of Engineering, Tohoku University

³ IMR, Tohoku University

3-3 Electrical and Magnetic Properties of Mn_2-xNi_1+xAl under High Magnetic Fields

D. Mitsunaga¹, H. Orihashi¹, D. Shimada¹, M. Hiroi¹, R. Onodera², K. Takahashi² and K. Koyama¹

¹ Graduate School of Science and Engineering, Kagoshima University

² IMR, Tohoku University

3-4 Magnetic Properties of Mn₂Sb_1-ySn_y("0.08≤y≤0.15" ) in High Magnetic Fields

D. Shimada¹, H. Orihashi¹, D. Mitsunaga¹, M. Hiroi¹, R. Onodera², K. Takahashi² and K. Koyama¹

¹ Graduate School of Science and Engineering, Kagoshima University

² IMR, Tohoku University

3-5 Study of Magnetic-Field-Induced Phase Transition in FeRh

K. Ohtake¹, R. Onodera¹, Y. Mitsui¹, K. Takahashi¹, S. Kimura¹, K. Watanabe¹ and K. Koyama²

¹ IMR, Tohoku University

² Graduate School of Science and Engineering, Kagoshima University

3-6 High Field Magnetization Process of NdPd₂Si₂ Single Crystal

T. Shigeoka¹, S. Kimura² and K. Watanabe²

¹ Graduate School of Science and Engineering, Yamaguchi University

² IMR, Tohoku University

3-7 Effects of Average Grain Size on Coercivity of Nd-Fe-B Magnets

K. Kobayashi¹ and K. Takahashi²

¹ Faculty of Science and Technology, Shizuoka Institute of Science and Technology

² IMR, Tohoku University

3-8 Enhancing the Magnetic Property of Nd-Lean Fe-Based Alloy by Hot Forging Process

Y. Li, B. Liu, K. Takahashi and A. Chiba

IMR, Tohoku University

3-9 Thermal Conductivity in for the S = 1 One-Dimensional Antiferromagnetic Heisenberg Spin System RbNiBr₃

T. Kawamata¹, Y. Matsuoka¹, Y. Nishiwaki², T. Kato³, K. Naruse¹, M. Ohno¹, T. Sasaki⁴ and Y. Koike¹

¹ Graduate School of Engineering, Tohoku University

² College of Engineering, Shibaura Institute of Technology

³ Faculty of Education, Chiba University

⁴ IMR, Tohoku University

3-10 NMR Study on Classical Spin System with Kagomé Lattice

T. Goto¹, S. Moriya¹, Y. Mori¹, H. Tanaka² and T. Sasaki³

¹ Physics Division, Sophia University

² Department of Physics, Tokyo Institute of Technology

³ IMR, Tohoku University

3-11 Studies of Geometrical Frustration and Quantum Effect in a Quantum Antiferromagnet

Y. Narumi¹, H. Nojiri¹, G. Nakayama¹, S. Hara² and H. Sato²

¹ IMR, Tohoku University

² Facutly of Science and Engineering, Chuo University

3-12 Electromagnon Excitation in Frustrated Magnets

S. Kimura¹, Y. Sawada¹, K. Watanabe¹, T. Fujita², M. Hagiwara², H. Yamaguchi³, T. Kashiwagi⁴ and N. Terada⁵

¹ IMR, Tohoku University

² KYOKUGEN, Osaka University

³ Department of Physical Science, Osaka Prefecture University

⁴ Graduate School of Pure and Applied Science, University of Tsukuba

⁵ National Institute for Materials Science

3-13 Magneto-Electric Effect in a Frustrated Magnet NaFeGe₂O₆

N. Abe¹, K. D. Nguyen^{1, 2} T. Arima¹ and T. Sasaki³

¹ Department of Advanced Materials Science, The University of Tokyo

² IMRAM, Tohoku University

³ IMR, Tohoku University

3-14 Giant Magnetochromism in Multiferroic MnWO₄

S. Toyoda¹, K. D. Nguyen^{1, 2}, N. Abe¹, T. Arima¹ and S. Kimura³

¹ Department of Advanced Materials Science, The University of Tokyo

² IMRAM, Tohoku University

³ IMR, Tohoku University

3-15 Spin Multiplicity and Phase Control by Using Photo Induced Phenomena

H. Nojiri¹, T. Tanaka¹, S. Yoshii¹, T. Nagao¹, Y. Narumi¹ and O. Sato²

¹ IMR, Tohoku University

² Institute for Materials Chemistry and Engineering, Kyushu University

3-16 High-Field Optical Spectroscopy of the Spin-Crossover Complex[Mn^III(taa)]

Y. Sawada¹, S. Kimura¹, K. Watanabe¹ and M. Nakano²

¹ IMR, Tohoku University

² Graduate School of Engineering, Osaka University

3-17 Metal-Insulator and Spin-State Transition in (Pr, Y)-Ca-Co-O System in Magnetic Fields

T. Naito¹, H. Fujishiro¹, T. Nishizaki², and S. Awaji²

¹ Faculty of Engineering, Iwate University

² IMR, Tohoku University

3-18 Elucidation of Spin Polarization Characteristics of Half-Metallic Materials by Tunneling Spectroscopy Measurements under Very Low Temperatures and Strong Magnetic Fields

I. Shigeta¹, Y. Sakuraba², S. Kimura², K. Koyama¹, K. Takanashi² and M. Hiroi¹

¹ Faculty of Science, Kagoshima University

² IMR, Tohoku University

4. Transport Properties in High Fields

4-1 Precise Examination of the Field-Induced Phases of HMTSF-TCNQ

K. Murata¹, Y. Fukumoto¹, R. Takaoka¹, K. Yokogawa¹, H. Yoshino¹, W. Kang², J. S. Brooks³, D. Graf³, A. Kiswandhi³, L. Winter³, B. Shermane³, T. Sasaki⁴ and R. Kato⁵

¹ Osaka City University

² Ewha Womans University

³ National High Magnetic Field Laboratory, Florida State University

⁴ IMR, Tohoku University

⁵ RIKEN

4-2 Low-Temperature Electrical Transport Measurements in Conductive Polymer PEDOT/PSS

Y. Honma, T. Nishizaki, M. A. Guziak and T. Sasaki

IMR, Tohoku University

4-3 Magneto-Dielectricity in a Dimer-Mott Insulator β’-(BEDT-TTF)₂ICl₂

S. Iguchi¹, S. Sasaki¹, N. Yoneyama^{2, 3}, H. Taniguchi⁴ and T. Sasaki^{1, 3}

¹ IMR, Tohoku University

² Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi

³ CREST, Japan Science and Technology Agency

⁴ Faculty of Science, Saitama University

4-4 Experiments of Creating Carbon Nanotubes at Low Temperature and High Fields

　

T. Shigematsu¹, H. Kawasaki¹, T. Tomioka¹, K. Takasaki¹, K. Imasaka² and S. Awaji³

¹ SASEBO National College of Technology

² Faculty of Engineering, Kyushu Sangyo University

³ IMR, Tohoku University

4-5 Development of Anisotropic Materials Using Silica Gels Prepared under Magnetic Field

A. Mori¹, H. Furukawa², M. Yamato³ and K. Takahashi⁴

¹ Institute of Technology and Science, The University of Tokushima

² Graduate School of Science and Engineering, Yamagata University

³ Faculty of Urban Environmental Sciences, Tokyo Metropolitan University

⁴ IMR, Tohoku University

5. Chemistry, Biology and Crystal Growth in High Fields

5-1 Study for Phase Diagram of Fe-C Binary Alloys in High Magnetic Fields

K. Yoshizawa¹, K. Takahashi¹, K. Watanabe¹, G. Miyamoto¹, T. Furuhara¹ and K. Koyama²

¹ IMR, Tohoku University

² Graduate School of Science and Engineering, Kagoshima University

5-2 Investigation for Crystallization Kinetics of Amorphous Alloys in High Magnetic Fields

R. Onodera¹, S. Kimura¹, K. Watanabe¹, Y. Yokoyama¹, A. Makino¹ and K. Koyama²

¹ IMR, Tohoku University

² Graduate School of Science and Engineering, Kagoshima University

5-3 Crystallization of Nd-Fe-Co-B Nanocomposite Ribbons in High Magnetic Fields

H. Kato¹, K. Koyama² and K. Takahashi³

¹ Graduate School of Science and Engineering, Yamagata University

² Graduate School of Science and Engineering, Kagoshima University

³ IMR, Tohoku University

5-4 Hierarchical Structure Control of Polymer Composite Material Using a Magnetic Field

M. Yamato¹, K. Takahashi² and K. Watanabe²

¹ Faculty of Urban Environmental Sciences, Tokyo Metropolitan University

² IMR, Tohoku University

5-5 Microstructure of Poly (L-Lactic Acid) Films as Biodegradable Polymers

H. Ikake¹, R. Nakayama¹, A. Morino¹, Y. Koide¹, Y. Muroga¹, K. Takahashi² and K. Watanabe²

¹ College of Science and Technology, Nihon University

² IMR, Tohoku University

5-6 Development of In-Situ Observation System for In-Field Melting and Synthesizing of Materials

Y. Mitsui¹, D. Miyazaki², K. Maeda¹, K. Takahashi¹, K. Koyama², S. Uda¹ and K. Watanabe¹

¹ IMR, Tohoku University

² Faculty of Science and Engineering, Kagoshima University

5-7 Development of a Magnetic Levitation Furnace for Susceptibility Measurements

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

IMR, Tohoku Universiy

5-8 Recognition of Molecular Chirality by Magnetoelectrodeposited Films

I. Mogi and K. Watanabe

IMR, Tohoku University

5-9 Amplification of the Chirality of Films Fabricated by Magnetoelectrodeposition

R. Morimoto¹, I. Mogi², R. Aogaki³, M. Miura⁴, Y. Oshikiri⁵, A. Sugiyama⁶ and S. Takagi³

¹ Saitama Prefecture Enterprise Bureau

² IMR, Tohoku University

³ Polytechnic University

⁴ Hokkaido Polytechnic College

⁵ Yamagata College of Industry and Technology

⁶ Faculty of Science and Engineering, Waseda University

6. High Field Magnet Technology and Related Experimental Technique

6-1 Hoop Stress Tests of Epoxy-Impregnated REBCO Coils

S. Awaji¹, H. Oguro¹, T. Suwa¹, T. Suzuki¹, K. Watanabe¹, G. Nishijima², S. Hanai³, K. Marukawa³, M. Daibo⁴, T. Saito⁴, H. Sakamoto⁵, I. Inoue⁵, Y. Miyoshi⁶, X. Chaud⁶ and F. Debray⁶

¹ IMR, Tohoku University

^{2 National Institute for Materials Science}

³ Toshiba Corporation

⁴ Fujikura Ltd.

⁵ Furukawa Electric Co., Ltd.

⁶ Laboratoire National des Champs Magnétiques Intenses

6-2 MHD Flow Characteristics in a Three-Surface-Multi-Layered Channel under a High Magnetic Field

H. Hashizume¹, S. Ito¹, M. Aoyagi¹, Y. Inage¹, D. Isshiki¹ and H. Oguro²

¹ Faculty of Engineering, Tohoku University

² IMR, Tohoku University