N. Koshizuka S. Tajima (Eds.)

Advances inSuperconductivity XIProceedings of the 11th International Symposium onSuperconductivity (ISS '98), November 16-19,1998, Fukuoka

Volume 2

ISTEC

With 957 Figures

UNIVERSITATSBIBLIOTHEKHANNOVER

TECHNISCHEINFORMATIQNSBIBLIOTHEKJ

Springer

Contents of Volume 2* Invited papers

5 Wires, Tapes, and Bulks

5.1 YBCO Type Superconductors

Identification of Vortex Pinning Centers in Melt Textured ReBa2Cu307 (Re=Y,Nd)

X. OBRADORS, T. PUIG, B. MARTINEZ, F. SANDIUMENGE, J. RABIER 647

Magnetization Properties for YBa2Cu307 Bulk Fabricated by Seed Process in High

Magnetic Fields

K. WATANABE, S. AWAJI, A. KURAMOCHI, T. FUKASE, K. KIMURA, M. MOTOKAWA ... 653

Very Strong Magnetic Field Trapped by Melt-Processed Large Sm-Ba-Cu-O Bulk-

Superconductors

H. IKUTA, A. MASE, T. HOSOKAWA, Y. YANAGI, M. YOSHIKAWA, Y. ITOH, T. OKA,

U. MIZUTAM 657

Jc-B Properties of Melt-Processed (Nd, Eu, Gd)-Ba-Cu-O with Gd2BaCu05

Second Phase

M. MIRYALA, M. MURAKAMI 661

Fabrication and Characterization of Large Single-Domain YBCO Bulks

Y. FENG, L. ZHOU, W.M. YANG, C.P. ZHANG, S.K. CHEN, Z.M. YU, J.R. WANG 665

Evidence for an Oxygen Related Structural Change in Y211 at 185K

A.R. ANDERSON, G.J. RUSSELL, M. MURAKAMI 669

Effect of Pt Addition on Microstructure and Magnetic Properties in OCMG-

Processed (Nd,Eu,Gd)-Ba-Cu-O

M. MIRYALA, K. KAMADA, T. SAITOH, K. SEGAWA, M.R. KOBLISCHKA, M. MURAKAMI 673

Superconductivity of the Ndi+xBa2.xCu30y Solid Solutions

G. OSABE, S.I. Yoo, N. SAKAI, T. HIGUCHI, T. TAKIZAWA, M. MURAKAMI 677

Growth of High-Tc Superconducting Single Crystals by a Vertical Bridgman Method

E. HOSOKAWA, M. NAKAMURA, S. KISHIDA, H. TOKUTAKA 681

Cracking Mechanisms and Tensile Strengths for Melt-Processed RE-Ba-Cu-O

(Re: Sm,Y)N. SAKAI, S.-J. SEO, K. INOUE, T. MIYAMOTO, M. MURAKAMI 685

The Effect of KC1O, Addition on the Superconducting Properties and Microstructure

of YBCO HTSC Materials

A. VENEVA, N. SAKAI, K. WAKI, M. MURAKAMI 689

VI

Magneto-Optic Imaging of Flux Penetration into an Artificially Granular High-Jc

SuperconductorM.R. KOBLISCHKA, L. PUST, P. NALEVKA, M. JIRSA, T.H. JOHANSEN, H. BRATSBERG,

B. NILSSON, T. CLAESON 693

Effects of Solute-to-Solvent Ratio and Cooling Rate on the Nucleation TemperatureofNdBa2Cu3Ox

D.K. ASWAL, M. SHINMURA, Y. HAYAKAWA, M. KUMAGAWA 697

Preparation and Properties of Melt-Processed Large RE(Eu,Gd)-SystemSuperconductor Bulk in Air

S. HASEYAMA, S. KOHAYASHI, J. ISHIAI, S. NAGAYA, S. YOSHIZAWA 701

Dispersion and Morphologies of Silver in the Melt Grown YBa2Cu30x

Y. NAKAMURA, K. TACHIBANA, H. FUJIMOTO 705

Single Crystals of Nd1+x(Ba,.ySry)2.xCu3O7±5 Solid Solution Grown by Crystal PullingX. YAO, S. MATSUOKA, T. IZUMI, Y. SHIOHARA 709

Melt Processing of RE 123 (RE=Sm,Gd) Superconductors in AirJ. YOSHIOKA, K. KAMADA, H. KOJO, M. MURAKAMI 713

Flux Dynamics During Pulsed-Field Magnetization in R-Ba-Cu-O (R=Y,Sm) BulkSuperconductors

Y. YANAGI, Y. ITOH, M. YOSHIKAWA, T. OKA, A. MASE, T. HOSOKAWA, H. IKUTA,

U. MIZUTANI 717

Preparation and Properties of Large Grain Peritectically Processed Nd-Ba-Cu-OW. Lo, N. HARI BABU, D.A. CARDWELL, Y.H. SHI, D.M. ASTILL 721

Mechanical Properties of RE Bulk SuperconductorsT. MIYAMOTO, J. KATAGIRI, K. NAGASHIMA, M. MURAKAMI 725

Fabrication Process of Twin-Free Orfhorhombic Ndl23 Single Crystal UnderUni-Axial Compression

A. OKA, S. KOYAMA, T. IZUMI, Y. SHIOHARA 729

Phase Transition and Superconductive Properties of Nd^Ba^GijO^g Solid SolutionM. YOSHIZUMI, A. OKA, E.A. GOODILIN, Y. SHIOHARA, Y. IKUHARA, T. SAKUMA 733

Rapid Preparation of YBCO Coated Conductors Using Ag Tapes by Liquid PhaseEpitaxy

Y. YAMADA, Y. KOIKE, D.K. HUANG, S.B. KIM, I. HIRABAYASHI, H. AKATA,

K. HlGASHIYAMA 7 3 7

LPE Growth of YBCO on Silver SubstratesY. KOIKE, Y. YAMADA, I. HIRABAYASHI, H. AKATA, K. HIGASHIYAMA 741

Initial Growth Mechanism of Smi+xBa2.xCu30y Film Prepared by Liquid Phase EpitaxyA. HAYASHI, K. KAKIMOTO, Y. ISHIDA, T. IZUMI, Y. SHIOHARA 745

Partial Dissolution Mechanism of YBa2Cu3Ox Seed Films on MgO SubstrateDuring Liquid Phase Epitaxy

K. KAKIMOTO, Y. ISHIDA, T. IZUMI, Y. SHIOHARA 749

Liquid Phase Epitaxy of Y,_xNdxBa2Cu3O7.6 Mixed Crystal SystemsK. NOMURA, S. HOSHI, E.A. GOODILIN, X. YAO, T. IZUMI, Y. SHIOHARA 753

VII

Critical Current Density for Melt Textured Filamentary Nd 123 Superconductors

T. KIMURA, T. GOTO, T. MIURA 757

The Influence of Microstructure of Calcined Films Prepared by Chemical Solution

Deposition on the Superconducting Properties

K. YAMAGIWA, J. SHIBATA, T. HIRAYAMA, I. HIRABAYASHI 761

Effects of Cooling Mode and Cation Substitution on Crystal Structure of Epitaxial

YbBa2Cu40g Films Prepared by Coating Pyrolysis Process

Y. YAJIMA, T. MANABE, I. YAMAGUCHI, S. NAKAMURA, W. KONDO, S. MIZUTA,

T. KUMAGAI 765

Characteristics of Normal-Zone Propagation in YBCO Thin Film Superconductors

S.B. KIM, K. MATSUMOTO, Y. TAKAHASHI, Y. ICHINO, A. ISHIYAMA, I. HIRAHAYASHI 769

In-Plane Aligned YBCO Tapes Using NiO Buffer Layers Made by Surface-

Oxidation Epitaxy

K MATSUMOTO, S.B. KIM, J.G. WEN, I. HIRABAYASHI, T. WATANABE, N. UNO,

M.IKEDA 773

Preparation of YBa2Cu307.y Films on Cube-Textured Silver Tapes with Oxide

Buffer Layers

Y. TAKAHASHI, K. MATSUMOTO, H. AKATA, K. HIGASHIYAMA, I. HIRABAYASHI 777

Mechanical Property of Y,Ba2Cu30x Superconducting Tape Formed on Metallic

Tape with YSZ Buffer Layer

K. ONABE, S. NAGAYA, Y. IIJIMA, N. SADAKATA, T. SAITOH 781

Fabrication and Transport Properties of Biaxially Textured YBCO Tapes by IB AD

Method

Y. IIJIMA, M. KIMURA, N. TANABE, N. SADAKATA, T. SAITOH, K. TAKEDA 785

Continuous Preparation of Superconducting YBCO Tape on Ag Tape

M. YAMAZAKI, T.D. THANH, H. KUBOTA, Y. KUDO, H. YOSHINO, H. NAGAMURA 789

Characteristics of YBCO Thin Film Tapes Fabricated by Pulsed Laser Deposition

K. HASEGAWA, K. FUJINO, K. OHMATSU, K. SATO, Y. SATO, S. HONJO, N. HOBARA,

YIWATA 793

Structure of Different RE-123 Phases Synthesized by the Diffusion Reaction

K. TACHIKAWA, N. KOHCHI, H. MATSUMOTO, T. MINEMOTO 797

Quenching Properties of YBCO-Thin-Film TapesY. SATO, S. HONJO, Y. IWATA, K. HASEGAWA, H. MUKAI, K. OHMATSU, K. SATO,

J.-F. PICARD, C. LEVILLAIN, A. ANSART, B. DEKEPPER 801

5.2 BSCCO, TBCCO, and Other Type Superconductors

*New Experiments Elucidating the Current Limiting Mechanisms of Ag-Sheathed

(Bi,Pb)2Sr2Ca2Cu3Ox Tapes

D.C. LARBALESTIER, J.W. ANDERSON, S.E. BABCOCK, X.Y. CAI, S.E. DORRIS,

M. FELDMANN, J. JIANG, Q. LI , J.A. PARRELL, R. PARRELLA, M. POLAK,

A. POLYANSKII, G.N. RILEY JR., M. RUPICH, Y. W U 805

*Large Jc Enhancement of Bi-2212/Ag Tape by PAIR ProcessH. KITAGUCHI, H. MIAO, H. KUMAKURA, K. TOGANO, T. HASEGAWA, T. KOIZUMI 811

VIII

*Development of Bi-2223 Cable ConductorsK. OHMATSU, J. FUJIKAMI, T. TANEDA, M. UEYAMA, K. HAYASHI, K. SATO, S. HONJO,

H. HOBARA, Y. IWATA 817

Microstructures and Properties of Bi2212 Tapes and Bulks Grown in HighMagnetic Field

H. MAEDA, W.P. CHEN, K. KAKIMOTO, P.X. ZHANG, K. WATANABE, M. MOTOKAWA,

H. KITAGUCHI, H. KUMAKURA, K. ITOH 823

Power Losses in Multifilamentary Ag/BSCCO-2223 Tape Caused by ac ExternalMagnetic Field and Transport Current

M. CISZEK, O. TSUKAMOTO, D. MIYAGI, J. OGAWA, N. AMEMIYA, M. UEYAMA,

K. HAYASHI 827

Aspect Ratio Dependence of Effective Transverse Matrix Resistivity inMultifilamentary HTSC/Ag Strands

M.D. SUMPTION, E.W. COLLINGS 831

Recent Progress in HTS Wire Technology at the Super-GM ProjectO. KASUU, H. II, K. TAKEDA, M. SHIBUYA 835

Development of Bi(2223) Tapes with Low ac LossesF. MARTI, Y.B. HUANG, M. DHALLE, G. WITZ, E. GIANNINI, A. ERB, E. WALKER,

S. CLERC, K. KWASNITZA, R. FLUKIGER 839

Effect of MgO, Ag2O, PtO2 Particles on the Microstructure and SuperconductingProperties of Ag Sheathed (Bi,Pb)-2223 Tapes

X. Lu, A. NAGATA, M. YASUDA, K. SUGAWARA, S. KAMADA, M. NAGANO,

S. SUDOH, S. HANADA 843

Superconducting Properties of Melt-Cast Processed Bi2Sr2CaCu2Oy CompoundsT. TSUKAMOTO, K. MISHUKU, H. ANDOH, T. SUGIURA, N. HASE 847

Bi-2212/Ag Multifilamentary Tapes, Wires and Coils for High Magnetic FieldApplications

M. OKADA, K. TANAKA, T. WAKUDA, K. OHATA, J. SATO, T. KIYOSHI, H. KITAGUCHI,

H. KUMAKURA, K. TOGANO, H. WADA 851

Effects of Ag Foils on Properties of (Bi,Pb)-2223 Multifilamentary TapesP.X. ZHANG, H. MAEDA, L. ZHOU, A.K. WANG, P. Ji 855

Superconducting Properties of Bi-2212 Multifilamentary Round Wires withDouble Layered Core Filaments

T. YANAGIYA, M. ISHIZUKA, S. YASUHARA, Y. SUGA, Y. ABE, K. MIURA, T. KURODA,

Y. TANAKA 859

Extraction of Ag Diffusion Effect in Hot-Pressed Bi-2223N. AMATATSU, H. IKEDA, K. YOSHIKAWA, R. YOSHIZAKI 863

Ceramic Fiber Addition to BPSCCO SuperconductorK. MATSUNAGA, A. NISHIMURA, S. SATOH, O. MOTOJIMA 867

Development of a New Type Bi-2212 Multi-Filamentary WireK. OHATA, J. SATO, M. OKADA, K. TANAKA, H. KITAGUCHI, H. KUMAKURA,

T. KIYOSHI, H. WADA, K. TOGANO 871

IX

Observation on the Microstructure of Bi2223 Silver Sheathed TapeA. TAKAGI, K. KOSUGI, M. MIMURA, T. MAEDA, N. UNO, S. HONJO, N. HOBARA,

YIWATA 875

Development of AgMg Alloy Sheathed Bi-2223 Multifilamentary TapeM. MIMURA, A. TAKAGI, K. KOSUGI, M. SUGIMOTO, N. UNO, M. IKEDA, Y. TANAKA,

S. MUKOYAMA, H. TSUBOUTI, S. HONJO, N. HOBARA, Y. IWATA 879

Analyses of the Electromagnetic Properties of Bi-Based Superconductors withDifferent Jc's by the SRPM Method

T. KODAIRA, H. MIYAIRI, S. YAMAZAKI, H. NAKANE, H. YASUOKA, S. YOSHIZAWA,

S.HASEYAMA 883

Synthesis of Ag-Sheathed (Bi,Pb)-2223 Tapes Using the Precursor of(Bi,Pb)2CuO4+(Sr,Ca)2CuO3

Z.Z. DUAN, L. ZHOU, P.X. ZHANG, P. Ji, H.L. ZHENG, Y. FENG, X.Z. WU 887

The Influences of Precursor Powder on Critical Current Density of Ag/Bi-2223Tapes

H.L. ZHENG, Z.Z. DUAN, C.S. LI, P.X. ZHANG, L. ZHOU, S.H. WU, Y. FENG 891

Effects of Starting Composition and Treating Atmosphere on Phase Formation,Microstructure and Jc of Bi2Sr2CaCu20x/Ag Multilayer Tapes

H. MIAO, H. KITAGUCHI, H. KUMAKURA, K. TOGANO, T. HASEGAWA,

T. KOIZUMI 895

Low Temperature Annealing Effects on Superconducting Properties of Melt-Solidified Bi2Sr2CaCu20x/Ag Multilayer Tapes

H. MIAO, H. KITAGUCHI, H. KUMAKURA, K. TOGANO, T. HASEGAWA,

T.KOIZUMI 899

Spiral Pitch Adjusted Multi-Layer Conductor with Alloy-Sheathed WireJ. FUJIKAMI, T. TANEDA, Y. YAMADA, K. OHMATSU, K. HAYASHI, K. SATO, S. HONJO,

N. HOBARA, Y. IWATA 903

Development and Characterization of Bi2212 Superconducting TapeT. KANEKO, K. HAYASHI, K. SATO, O. KASUU 907

ac Loss Characteristics of Silver Sheathed Bi-2223 Multifilamentary WiresN. AYAI, M. UEYAMA, K. HAYASHI, K. SATO 911

Development of Ag-Mg-a Alloy Sheathed Bi2223 Multifilament TapesY. HIKICHI, J. NISHIOKA, T. KOIZUMI, T. HIROTA, T. HASEGAWA 915

Processing Related Issues on High Jc Bi-2212/Ag Multilayer Tapes Prepared byPair Process

T. KOIZUMI, T. HASEGAWA, H. KITAGUCHI, H. MIAO, H. KUMAKURA, K. TOGANO 919

Superconducting Properties for AgCu Reinforced Ag/Bi2Sr2CaCu20s Coil in LargeElectromagnetic Stress State

S. AWAJI, K. WATANABE, T. WAKUDA, M. OKADA 923

Bending Treatment Effect on Critical Current in Bi2Sr2Ca2Cu,Ox TapesM. RABARA, H. KITAGUCHI, K. MIYA 927

Bi-2212 Multifilamentary Round Conductor with High n-ValueT. HASE, K. SHIBUTANI, S. HAYASHI, M. SHIMADA, Y. KAWATE, T. KIYOSHI,

M. KOSUGE, M. YUYAMA, H. NAGAI, H. WADA 931

X

Effect of Ag Substrate on the Microstructure and Jc of Bi-2212/Ag Tapes Preparedby a Dip-Coating Method

T. MUROGA, J. SATO, H. KITAGUCHI, H. KUMAKURA, K. TOGANO, M. OKADA 935

Progress in Improving Jc of Long Bi(2223) Tapes by Periodic PressingF. MARTI, G. GRASSO, Y.B. HUANG, M. DHALLE, G. WITZ, R. PASSERINI,

E. GIANNINI, E. BELLINGERI, E. WALKER, R. FLOKIGER 939

Thermal Fluctuation Effects on the Magnetization in Bi, 8Pb04Sr2Ca2Cu3Ol0

Polycrystalline SampleM.O. TJIA, I.M. SUTJAHJA, DARMINTO, A.A. NUGROHO 943

Enhancement of Critical Currents in (Bi,Pb)2Sr2Ca2Cu3Oy (Bi-2223)Superconducting Tapes

U. BALACHANDRAN, M. LELOVIC, N.G. EROR, J. TALVACCHIO, R. YOUNG,

V. SELVAMANICKAM, P. HALDAR 947

Mechanical Strength and Critical Strain of Superconducting Bi-2223/Ag CompositeTapes

P. SKOV-HANSEN, Z. HAN, J.I. BECH 951

Post Annealing in Flowing Ar for Filamentary Hgl223 SuperconductorsK. INAGAKI, T. GOTO 955

Partial-Melting of Filamentary Hgl223 Superconductors by Using CaHgO2 for theVaporizing Material

T G O T O 959

5.3 Applications

ac Loss and Temperature Distribution in a Cryocooler-Cooled IT Pulse Coil withan Interlayer-Transposed Parallel Conductor

M. IWAKUMA, K. FUNAKI, K. KAJIKAWA, H. KANETAKA, H. HAYASHI, K. TSUTSUMI,

A. TOMIOKA, M. KONNO, S. NOSE 963

Effects of Winding-Pitch on Transverse-Field Losses Measured by a SimpleElectromagnetic Method

K. KAJIKAWA, H. SHIRAISHI, A. TAKENAKA, M. IWAKUMA, K. FUNAKI 967

a.c. Transport Properties of the High-Tc Superconducting Cable Consist of theTransposed Segment Conductor

N. FUTAKI, S. NAGAYA, A. KUME, N. SADAKATA, T. SAITOH 971

Surface Condition and Superconducting Properties of Ag-Sheathed TapeA. KUME, N. FUTAKI, N. SADAKATA, T. SAITOH, O. KOHNO 975

HTS Transposed Cable Conductor with Low ac LossK. OHMATSU, J. FUJIKAMI, T. TANEDA, M. UEYAMA, K. HAYASHI, K. SATO,

S. HONJO, H. HOBARA, Y. IWATA 979

Development of Long Length Round Strand for HTS Transposed CableConductor

T. TANEDA, M. UEYAMA, T. KANEKO, J. FUJIKAMI, K. OHMATSU, K. HAYASHI,

K. SATO, S. HONJO, N. HOBARA, Y. IWATA 983

XI

Fabrication of Conductor Using Bi-Based Multilayered Wires

T. WATANABE, M. MIMURA, M. SUGIMOTO, N. UNO, H. II 987

Stability Characteristics of the Aluminum Stabilized Superconductor for the LHDHelical Coils

N. YANAGI, A.V. GAVRILIN, T. MITO, S. IMAGAWA, K. TAKAHATA, A. IWAMOTO,

H. CHIKARAISHI, S. YAMAGUCHI, T. SATOW, S. SATOH, O. MOTOJIMA,

THE LHD GROUP 991

High Field Test of a Bi-2223 Silver-Alloy Sheathed Superconducting Coil

K. OHKURA, M. UEYAMA, K. SATO, T. KIYOSHI, H. KITAGUCHI, H. WADA 995

Partial Melt Processing of Bi-2212 Thick Films on Polycrystalline MgO SubstratesS. KOBEL, D. SCHNEIDER, L.J. GAUCKLER 999

Development of Unidirectionally Solidified YBCO/Ag Superconducting Current

Lead

J. MAEDA, S. MATSUOKA, T. IZUMI, Y. SHIOHARA 1003

RE 123 Superconductive Thin Fiber Current Leads Produced by Laser Heated

Floating Zone MeltingS. MATSUOKA, J. MAEDA, T. IZUMI, Y. SHIOHARA 1007

Superconducting Bulk Levitation Using an Electromagnet

K. NAGASHIMA, T. MIYAMOTO, S.I. Yoo, M. MURAKAMI, Y. IWASA, K. SAWA,

H. FUJIMOTO 1011

6 Films and Junctions

6.1 Film Growth

Growth Manners of c-Axis Oriented YBa2Cu3Ox Thin Films

M. MUKAIDA, M. KUSUNOKI, S. OHSHIMA 1019

Effect of Molecular Oxygen on YBCO Thin Films with (110)-Orientation

T. UCHIYAMA, Y. GOTO, F. ICHIKAWA, T. FUKAMI, T. AOMINE, Z. WANG 1023

Orientation Control in Thin Film Growth of YBa,Cu3Ox

M. HORIE, K. ITOH, S. YAMADA, K. ITOH, M. TADA, T. ENDO 1027

Preparation of YBa2Cu307.y Thin Film on the Cube Textured Silver Tape by MOCVD

M. HASEGAWA, Y. YOSHIDA, M. IWATA, K. ISHIZAWA, T. OYAMA, H. AKATA,

K. HlGASHIYAMA, Y. TAKAI, I. HlRABAYASHI 1031

Fabrication of Smooth Surface on Liquid Phase Epitaxially Grown Y,Ba2Cu3076

Films by Mechanical Polishing

Y. ISHIMARU, S. MIURA, F. WANG, N. TANAKA, A. YOSHIDA, T. MORISHITA,

N. YOKOYAMA 1035

Liquid Precursors for MOCVD Method to Fabricate (RE)BCO Thin Films

Y. TASAKI, S. YOSHIZAWA, K. KOYAMA, Y. FUJINO, J. ISHIAI 1039

Deposition of NdBaCuO Superconducting Films

M. IIYAMA, O. HORIBE, Y. ENOMOTO 1043

XII

Epitaxial Growth of Smooth NdBa2Cu307.8 Films by Laser Ablation Using a SingleCrystal Target

Y. Li, X. YAO, K. TANABE 1047

Homoepitaxial NdBa2Cu307y Film GrowthM. KOMATSU, F. WANG, H. ZAMA, K. TANABE, T. MORISHITA 1051

Ba,_xRbxBiOy Thin Films Prepared by Rf Magnetron SputteringH. NAOE, Y. MITANI, T. KITAGAWA, S. KISHIDA, F. TODA, H. TOKUTAKA 1055

Synthesis of Single Phase of CuTl-1234 Thin FilmsN.A. KHAN, Y. SEKITA, K. ISHIDA, F. TATEAI, T. KOJIMA, N. TERADA, H. IHARA .... 1059

Fabrication of High-Quality Hg-1212 Superconducting Thin Films by Pulsed LaserDeposition

Y. MORIWAKI, T. SUGANO, A. TSUKAMOTO, S. ADACHI, K. TANABE 1063

Preparation of YBa2Cu3O7 Films on Sapphire Substrate by Pulsed LaserDeposition

H.R. LIM, I.S. KIM, D.H. KIM, Y.K. PARK, J.-C. PARK 1067

Growth and Characterization of 3-Inch-Dia. Double-Sided HTS Thin FilmM. KONISHI, K. FUJINO, K. SATO 1071

Fabrication of High Quality CeO2 Thin Films on YBa2Cu30x Films andYBa2Cu30x Single Crystals for Electronic Applications

M. BECHT, J.G. WEN, F.M. SABA, S. MIURA, K. TANABE 1075

6.2 Film Characterization

*Near-Field Scanning Microwave Microscopy of Superconducting Materials andDevices

S.M. ANLAGE, A.S. THANAWALLA, A.P. ZHURAVEL', W. HU, C.P. VLAHACOS,

D.E. STEINHAUER, S.K. DUTTA, F.C. WELLSTOOD 1079

Non-Destructive Measurements of Oxygen Content of YBa2Cu307_8 andNdBa2Cu307.8 Thin Films

K. ENDO, N. MATSUNAMI, Y. TAKAI 1085

In-situ Observation and Surface Morphology of YBa2Cu3O7_y Films byMetalorganic Chemical Vapor Deposition

Y. YOSHIDA, M. IWATA, M. HASEGAWA, K. TAMURA, K. ISHIZAWA, Y. TAKAI,

I. HIRABAYASHI 1089

Cubic Structure and Cation Disordering of YBCO Thin FilmJ.D. SUH, G.Y. SUNG, K.Y. KANG 1093

AFM Study on YBa2Cu307.y Thin Films by MOCVD Using Liquid-State SourcesM. IWATA, Y. YOSHIDA, M. HASEGAWA, K. ISHIZAWA, I. HIRABAYASHI, Y. TAKAI 1097

Microstructure Characterization of the YBa2Cu3O7.y Thin Films Derived Fromthe Metal-Naphthenates Gels Coated on SrTiO3 (100) and LaAlO3 (100)Substrates

X.L. MA, J. SHIBATA, T. HIRAYAMA, K. YAMAGIWA, I. HIRABAYASHI,

YIKUHARA 1101

XIII

XPS Study on Electron-Beam Deposited NBCO Thin FilmsJ. SUZUKI, K. HATTORI, N. MATSUNAMI, Y. TAKAI 1105

Influence of the Microstructure of a CeO2 Buffer Layer on the SuperconductingProperties of YBa2Cu3078on A12O3

K.D. DEVELOS, M. KUSUNOKI, M. MUKAIDA, S. OHSHIMA 1109

Surface Treatments and Stability of YBa2Cu30x Single-Crystal Substrates forHomoepitaxial Growth

H. ZAMA, N. TANAKA, K. TANABE, T. MORISHITA 1113

Atomic Control of Step Distribution on Both Normal and Vicinal SrTiO, (100)Substrates

J.C. NIE, H. TAKASHIMA, N. TERADA, K. ENDO, A. SHOJI, M. KOYANAGI 1117

Surface Resistance of Ag-Bi2212 Thick Films Prepared by Partial-MeltSolidification Process

M. TANAKA, A. OOTA 1121

Elimination of 45° Grain Boundaries in YBa2Cu30x Thin Films for MicrowaveDevices on MgO Substrates

M. MUKAIDA, Y. TAKANO, K. CHIBA, M. KUSUNOKI, S. OHSHIMA 1125

Effect of Substrate Lattice Mismatch on the Crystallographic Properties ofYBa2Cu30y Thin Films for Microwave Devices

Y. TAKANO, T. SUTO, M. MUKAIDA, M. KUSUNOKI, S. OHSHIMA 1129

Microwave Properties of High-Tc Superconducting Film Characterized byDielectric Resonator

K. MURANAKA, H. NAKATA, Y. ENOMOTO, K. SUZUKI 1133

Structure and Superconducting Properties of Nb/Pd MultilayersS. KANEKO, U. HILLER, J.M. SLAUGHTER, CM. FALCO, C. COCCORESE,

L. MARITATO 1137

6.3 Junctions and Processes

Recent Progress in HTS Josephson JunctionsB.H. MOECKLY 1141

Observation of Microwave Induced Steps for a Single Intrinsic Tunnel JunctionA. ODAGAWA, M. SAKAI, H. ADACHI, K. SETSUNE, C. HELM, R. KLEINER 1147

Homoepitaxial SNS Junctions Grown on YBCO Single Crystal SubstratesT. UTAGAWA, J.G. WEN, T. UTAGAWA, S. KOYAMA, K. TANABE 1151

Edge-Type Junction with ITO BarrierT. HATO, H. ASO, Y. ISHIMARU, A. YOSHIDA, N. YOKOYAMA 1155

Fabrication of YBa2Cu3O78/SrTiO3/La,.xSrxMnO3 Films for a Spin-PolarizedQuasiparticle Injection Device

A. SAWA, T. SHIMIZU, H. OBARA, H. YAMASAKI 1159

High-7"c Josephson Junctions with Modified Interface BarriersT. SATOH, J.G. WEN, M. HIDAKA, S. TAHARA, N. KOSHIZUKA, S. TANAKA 1163

*

XIV

Transport Mechanisms of HTS Ramp Edge Junctions with PBCO-Based BarriersM. HORIBE, N. HAYASI, K. KAWAI, A. FUJIMAKI, H. HAYAKAWA 1167

Fabrication of the HTS Multilayer Structure Using Chemical MechanicalPlanarization (CMP)

H. TAKASHIMA, N. TERADA, M. KOYANAGI 1171

Preparation and Characterization of a-Axis Oriented(NdBa2Cu3O7yPrBa2(Cu,Co)3O7.g/NdBa2Cu3O7.8)Trilayers

M. SATO, G.A. ALVAREZ, F. WANG, T. UTAGAWA, K. TANABE, T. MORISHITA 1175

Microwave Properties of Josephson Junction with Wide Band Log-PeriodicToothed Trapezoid Antenna of High-Tc Superconducting Films

K.Y. RANG, I. SONG, S.K. HAN, J.D. SUH, H.B. SHIN 1179

Preparation of YBa2Cu3O7 Step-Edge Junctions on Sapphire SubstrateI.S. KIM, H.R. LIM, D.H. KIM, Y.K. PARK, J.-C. PARK 1183

Step Angle Dependence of T12212 Josephson Junction Properties on MgO (100)Substrates

S. TOKUNAGA, M. NEMOTO, K. SHIMAOKA, I. YOSHIDA 1187

7 Device Applications

7.1 SQUID

*High-Tc SQUID Systems for Biomagnetic Clinical Research and for Non-DestructiveEvaluation

P. SEIDEL, F. SCHMIDL, R. WEIDL, S. WUNDERLICH, L. DORRER 1193

*(Hg,Re)-1212 Dc SQUIDsA. TSUKAMOTO, Y. MORIWAKI, T. SUGANO, N. INOUE, A. KANDORI, S. ADACHI,

K. TANABE, K. TAKAGI 1199

Direct Flux-Noise Measurement of Nb Variable-Thickness-BridgesS. HIRANO, Y. HIRATA, M. MATSUDA, T. MOROOKA, S. NAKAYAMA, S. KURIKI 1205

Electronic Gradiometer Using High Tc SQUIDs Under UnshieldedEnvironment

T. NAGAISHI, H. ITOZAKI 1209

High Tc SQUID GradiometerH. KUGAI, T. NAGAISHI, T. HIRANO, H. ITOZAKI 1213

High Tc SQUID with a Single Layer Flux Transformer on SapphireT. HIRANO, H. KUGAI, T. NAGAISHI, H. ITOZAKI 1217

Noise Property of High Tc dc-SQUID Utilizing Bicrystal Junction with 30°Misorientation Angle

T. MINOTANI, F. SHIRAISHI, A. KANDORI, Y. KUROKI, K. ENPUKU 1221

Fabrication of High-Tc SQUID Magnetometer with Double-Pickup-CoilConfiguration

K. YOKOSAWA, H. OYAMA, S. KURIKI, M. MATSUDA, K. TSUKADA 1225

XV

7.2 Microwave Devices

* Superconducting Electronics: Science and Technology Update

D.U. GUBSER, F. PATTEN 1229

Small Strip Line Module for Superconducting Filter

Y. MATSUNAGA, T. NAKAI, S. TANAHASHI, S. TAKEDA 1235

Microwave Properties of Liquid Phase Epitaxialy Grown YBa,Cu3Ox Films

S. MIURA, J.G. WEN, K. SUZUKI, T. MORISHITA, T. YOSHITAKE, G. FUJII,

S. SUZUKI 1239

Microwave Characteristic of YBa2Cu307.y Thin Films by Hot-Wall Type

MOCVD

T. INOUE, Y. OKAZAKI, N. HASEGAWA, M. HASEGAWA, Y. YOSHIDA, I. HIRABAYASHI,

Y. ENOMOTO, K. SUZUKI 1243

Millimeter Wave YBa2Cu30x MixerK. KASHIWAGI, N. HASEGAWA, Y. ENOMOTO, A. TAMAKI, K. SUZUKI 1247

High Efficiency Cooling System for High Temperature Superconducting

Filters

T. NAKAI, Y. MATSUNAGA, S. TANAHASHI, S. TAKEDA 1251

Design and Fabrication of Cross-Coupled Microstrip Bandpass FiltersT. TOMIYAMA, M. KUSUNOKI, M. MUKAIDA, S. OHSHIMA 1255

New Measurement Technique of the Surface Resistance Rs Using the

Microstripline Resonator

D. OKAI, T. TOMIYAMA, M. KUSUNOKI, M. MUKAIDA, S. OHSHIMA 1259

7.3 Digital Devices

A Superconducting Delay-Line Memory Using a YBa2Cu3078 Coplanar Line

W. HATTORI, T. YOSHITAKE, S. TAHARA 1263

Use of Read SQUIDs in HTS SFQ Shift Register Circuits

Y.H. KIM, J.H. KANG, T.S. HAHN, J.H. PARK, C.H. KIM, K.R. JUNG,

S . S . C H O I 1267

Single-Flux-Quantum Logic Devices Based on the Binary Decision Diagram

N. ASAHI, T. YAMADA, M. AKAZAWA, Y. AMEMIYA 1271

Fabrication and Properties of NdBa2Cu,O7VPrBa2Cu3O7.6/NdBa2Cu3O7_8 Ramp-Edge

Junctions

G.A. ALVAREZ, M. BECHT, T. UTAGAWA, K. TOMA, U. KAWABE, F. WANG,

Y. Li, F.M. SABA, M. SATO, K. TANABE 1275

7.4 Other Superconducting Devices

*Terahertz Responses of HTS Josephson Junctions on Bicrystal Substrates

J. CHEN, E. KOBAYASHI, K. NAKAJIMA, T. YAMASHITA, S. LINZEN, F. SCHMIDL,

RSEIDEL 1279

XVI

A Novel Two-Dimensional Mapping System for Supercurrent Distribution UsingFemtosecond Laser Pulses

T. KONDO, S. SHIKII, M. YAMASHITA, T. KTWA, O. MORIKAWA, M. TONOUCHI,

M. HANGYO, M. TANI, K. SAKAI 1285

Fluxon Dissipation in Microscopic Stacks of Josephson JunctionsS. SHAFRANJUK 1289

Magnetic Flux Quanta in YBCO Thin Film Loop Controlled with FemtosecondOptical Pulses

M. TONOUCHI, S. SHIKII, M. YAMASHITA, K. SHIKITA, M. HANGYO 1293

Design of Superconductive Optical Flux Trap Memory for Femtosecond Laser PulseDetection

M. TONOUCHI, M. HANGYO, J. RAMOS, R. IJSSELSTEIJN, V. SCHULTZE, H.-G. MEYER,

H.E. HOENIG 1297

Properties of Pulsed Laser Deposited Y-Ba-Cu-O Film Coated by Pb-Zr-Ti-0 andDiamondlike Carbon

F. MITSUGI, Y. YAMAGATA, T. IKEGAMI, K. EBIHARA, J. NARAYAN 1301

Superconducting YBa2Cu307.x — Ferroelectric PbZr052Ti048O3 Heterostructuresfor a Field Effect Transistor and a Nonvolatile Memory Device

M. YAMAZATO, A.M. GRISHIN, Y. YAMAGATA, T. IKEGAMI, K. EBIHARA,

J. NARAYAN 1305

Double-Layered Superconducting Tubes (Supertrons) for Focusing and GuidingIntense Electron Beams

H. MATSUZAWA, Y. WATANABE, K. FUKASAWA, K. MIKAMI 1309

8 System Applications

8.1 HTS Coils

*Development of HTS Magnets for Si Single Crystal Pulling ApplicationsO. HORIGAMI 1315

Rapid Excitation of 7 T- & 4 T- Refrigerator Cooled Bi2223 SuperconductingMagnets

T. KATO, K. FUJINO, S. KOBAYASHI, K. OHMATSU, K. SATO 1321

Fabrication and Transport Properties of Bi-2212/Ag Continuously-Wound16-Stack Pancake Coil

K. FUKUSHIMA, K. TANAKA, T. WAKUDA, M. OKADA, K. OHATA, T. MUROGA,

J. SATO, T. KIYOSHI, H. KITAGUCHI, H. KUMAKURA, K. TOGANO, H. WADA 1325

Stability and Thermal Quench Study in a HTSC Pancake CoilV.S. VYSOTSKY, T. KISS, Y.A. ILYIN, M. INOUE, M. TAKEO, F. IRIE, H. OKAMOTO,

M. KANAZAWA, K. OHYA, S. HAYASHIDA 1329

8.2 Magnetic Levitation, Bearings, Motors, and Actuators

Electromagnetic Force Characteristics of the Superconducting Bearing Based onthe Magnetic Gradient Levitation Concept

H. OHSAKI, Y. FUKASAWA, N. NOZAWA 1333

XVII

Improvement on Levitation Force Decrease of Superconducting Magnetic

Bearing

H. KAMENO, Y. MIYAGAWA, R. TAKAHATA, H. UEYAMA 1337

An Evaluation of Levitation Property in HTSC Magnetic Bearing Device

Including Ferromagnetic Materials

R. SHIMIZU, S. SHINDO, K. DEMACHI, K. MIYA 1341

Bias-Current's Effect on Hybrid Superconducting Magnetic BearingsM. KOMORI, S. MATSUOKA 1345

Electromagnetic Force of Multiple Bulk Superconductors

T. OTANI, K. NAGASHIMA, T. MURAYAMA, M. MURAKAMI 1349

Active Magnetic Levitation of Multiple Y-Ba-Cu-O BulksK. NISHI, Y. TACHI, K. SAWA, Y. IWASA, K. NAGASHIMA, H. FUJIMOTO,

T. MIYAMOTO, M. TOMITA, M. MURAKAMI 1353

Fabrication and Test of Reluctance Machine Using Bulk High Temperature

Superconductor as Magnetic Shield

T. ISHIGOHKA, Y. IKEDA, A. NINOMIYA 1357

A Levitation-Type Superconducting Linear Actuator with Superconducting SliderM. KOMORI, Y. KAWANO 1361

Development of Fully Superconducting Linear Actuator with Bi/Ag Sheathed

Tape Windings and YBCO Bulk Thruster

A. KOBAYASHI, 0 . TSUKAMOTO, S. HAHAKURA, K. OHMATSU, K. SATO 1365

8.3 Power Cables, Transformers, and Fault Current Limiters

Design, Processing, and Properties of Bi:2212/Ag Rutherford CablesE.W. COLLINGS, M.D. SUMPTION, R.M. SCANLAN, D.R. DIETDERICH,

L.R. MOTOWIDLO, R.S. SOKOLOWSKI, Y. AOKI, T. HASEGAWA 1369

Uniform Current Distribution Conductor of HTS Power Cable with Variable Tape-

Winding PitchesS. MUKOYAMA, K. MlYOSHI, H. TsUBOUTI, T. YOSHIDA, M. MlMURA, N. UNO,M. IKEDA, S. HONJO, N. HOBARA, Y. IWATA 1373

Initial Characterization Tests for Rutherford Cable Made with Bi-2212 High-Tc

Superconducting WireY. AOKI, T. HASEGAWA, N. AOKI, L.R. MOTOWIDLO, R.S. SOKOLOWSKI, S. NAGAYA 1377

Improvement of Stabilized Current Density in Superconducting Composite Conductor

T. ONISHI, A. OKUMURA, A. NII 1381

Ramp Rate Limitation Test of the Superconducting Cable for ac ApplicationsY.A. ILYIN, A. DUDAREV, VS. VYSOTSKY, A.V. GAVRILIN, V. KEILIN 1385

Numerical Analysis of ac Losses in Transposed High-Tc SuperconductorsS. HONJO, H. ISHII, Y. IWATA, T. YAMADA, H. HASHIMOTO, K. TANT 1389

500 A Class Small ac Transformer Using Oxide Superconductor Operating at

Liquid Nitrogen Temperature

E.S. OTABE, Y. MORIZANE, H. MATSUOKA, M. IZAWA, T. MATSUSHITA, J. FUJIKAMI,

K. OHMATSU 1 3 9 3

*

XVIII

A Magnetic Shielding Type Superconducting Fault-Current LimiterN. MIYAUCHI, H. NAKANE, S. HASEYAMA, S. YOSHIZAWA 1397

8.4 SMES, PCS, and Current Leads

Fabrication of a lkWh/lMW Module Type SMESH. HAYASHI, T. SANNOMIYA, H. KANETAKA, K. TSUTSUMI, F. IRIE, M. TEZUKA,

K. ASANO, S. NOSE, H. YAMAMURA 1401

Test Results of the R&D Coil for lkWh/lMW SMESY. WACHI, S. HANAI, M. KYOTO, N. TAKAHASHI, K. SHIMADA, H. HAYASHI,

T. IMAYOSHI, M. TAKEO, A. IWABUCHI 1407

Switching Characteristics of a lkA-25ohm Magnetic PersistentCurrent Switch for SMES

K. GOTO, N. SADAKATA, T. SAITO, O. KOHNO, H. HONMA, Y. NAGAI, K. NOTO 1411

Connecting Tests of 1MJ-SMES System and lkA-25Q Class Magnetic Persistent-Current-Switch (PCS)

H. HONMA, H. MORIMOTO, Y. KOIZUMI 1415

Effect of Quench Time Lag on the Succeeding Quench in the Parallel MechanicalPCS Circuit

S. OHTSUKA, D. TSUJI, K. TSUTSUMI, J. SUEHIRO, M. HARA 1419

Test Results of the HTS Current Leads for lkWh/lMW Module Type SMESSystem

T. BOHNO, A. TOMIOKA, S. NOSE, M. KONNO, K. SAKAKI, T. UEDE, H. HAYASHI,

K. TSUTSUMI, F. IRIE 1423

Development of the Current Lead Using YBCO Rods for SMESS. MUKOYAMA, S. MEGURO, S. ASAKURA, T. SAITOH, T. MINEMURA, K. SHINODA,

T. SATOW, T. HIMENO 1427

Fabrication and Performance of High Temperature Current Lead UsingBi2223 Bulk

T.C. WANG, Y.R. CAI, Y. FENG, B.Q. FU, P.X. ZHANG, L. ZHOU 1431

8.5 Magnetic Shielding and Other Applications

Advances in Refrigeration for HTS ApplicationsC. HEIDEN 1435

Performances of the Superconducting Coils for the Large Helical DeviceT. SATOW, S. IMAGAWA, K. TAKAHATA, N. YANAGI, H. CHIKARAISHI, H. TAMURA,

S. YAMADA, T. MITO, S. SATOH, O. MOTOJIMA, THE LHD GROUP 1441

Computer Simulation of Normal Zone Propagation in the LHD Helical CoilsA.V. GAVRILIN, N. YANAGI, S. SATOH, O. MOTOJIMA 1447

Methods of Decreasing the Heat Loss Caused by Eddy Currents ina Superconducting Coil

M. KURIHARA, E. SUZUKI 1451

Magnetic Shielding Analysis of HTS Plates by Flux Flow Creep ModelA. KAMITANI, T. YOKONO, S. OHSHIMA 1455

XIX

Numerical Method for Magnetic Shielding Analysis of Axisymmetric HTS Platesby Flux Flow Creep Model

T. YOKONO, M. NATORI, S. OHSHIMA, A. KAMITANI 1459

Formulation of Magnetic Shielding Effects by High-Tc SuperconductorM. GYODA, S. TORII, D. EBIHARA 1463

About Evolution and Propagation of Normal Zone in an AdiabaticSuperconducting Coil

A.V. GAVRILIN, V. SHCHERBAKOV 1467

9 Standardization

9.1 Prospects and Basic Research for Standardization

*Advanced Diagnostic Techniques for Superconductors in High Frequency Fields— Yesterday, Today, and Tomorrow

T. KAISER, A. CASSINESE, M. GETTA, M.A. HEIN, S. HENSEN, H.-G. KORSCHNER,

B. LEHNDORFF, G. MOLLER, M. PERPEET, N. PUPETER, H. PIEL 1473

Influence of Stress/Strain on Transport Critical Current Measurement forHTSC

H.S. SHIN, K. KATAGIRI 1479

Stress-Strain-Ic Characterization of Bi-2212 TapesY. VIOUCHKOV, H.W. WEIJERS, M. MEINESZ, Q. HU, Y. HASCICEK, J. SCHWARTZ .... 1485

Investigation of Pinning Behaviour by Flux Creep MeasurementsM. REISSNER, W. STEINER 1489

09.2 Round Robin Test

*Results of RRT on Bi(2223)/Ag Tape Samples and Thermal Properties of HighTc Superconductors

K. NOTO, Y. KIMURA, A. NAGATA, M. IWAKUMA, H. KUMAKURA, S. KOSAKA,

T. KANEKO, N. SADAKATA, A. KIMURA, Y. NAGAI 1493

Standardization of the Test Method for a.c. Loss Measurement of Cu/Nb-TiComposite Superconductors

K. OHMATSU, K. FUNAKI, A. KAWABATA, K. OSAMURA 1499

Sustainable Current Measurement of ac Nb-Ti Composite Superconducting WiresY. TANAKA, O. TSUKAMOTO, S. FUKUI, K. OHMATSU, H. MORIAI, H. KASAHARA,

K. OSAMURA I 5 °3

Results of Round Robin Test of Residual Resistance Ratio in Cu/Nb-Ti Composite

SuperconductorT. MATSUSHITA, E.S. OTABE, S. MURASE, K. OSAMURA, C.Y. HUA 1507

Inter-Comparison Test Results for Residual Resistance Ratio of Cu/Nb,SnComposite Conductors

S. MURASE, T. SAITOH, H. MORIAI, T. MATSUSHITA, K. OSAMURA 1511