J. Ekin

发表

Experimental Techniques for Low-Temperature Measurements: Cryostat Design, Material Properties, and Superconductor Critical-Current Testing

J. Ekin, 2007 .

Mechanical properties of pure Ni and Ni-alloy substrate materials for Y–Ba–Cu–O coated superconductors

J. Ekin, C. Thieme, A. Goyal, 2006 .

Effect of axial strain on the critical current of Ag‐sheathed Bi‐based superconductors in magnetic fields up to 25 T

J. Ekin, Qiang Li, D. Finnemore, 1992 .

Double-step behavior of critical current vs. magnetic field in Y-, Bi- and Tl-based bulk high-Tc superconductors

J. Ekin, A. Hermann, Z. Sheng, 1989 .

Enhancement of the irreversible axial-strain limit of Y-Ba-Cu-O-coated conductors with the addition of a Cu layer

V. Selvamanickam, J. Ekin, C. Thieme, 2005 .

II-4: Stress/strain effects on critical current

J. Ekin, 1995 .

Strain Effects in Superconducting Compounds

J. Ekin, 1984 .

Effect of strain on the critical current of Nb‐Hf/Cu‐Sn‐Ga multifilamentary superconductors

T. Tachikawa, J. Ekin, H. Sekine, 1981 .

Current transfer in multifilamentary superconductors. II. Experimental results

J. Ho, J. Ekin, A. Clark, 1978 .

Development of standards for superconductors

Joseph V. Minervini, Loren F. Goodrich, A. F. Clakr, 1979 .

Properties of NbN films crystallized from the amorphous state

J. Ekin, J. Greggi, J. Gavaler, 1983 .

Current transfer in multifilamentary superconductors. I. Theory

J. Ekin, 1978 .

High Tc superconductor/noble‐metal contacts with surface resistivities in the 10−10 Ω cm2 range

L. Kazmerski, J. Ekin, A. Nelson, 1988 .

Tensile measurements of the modulus of elasticity of Nb/sub 3/Sn at room temperature and 4 K

J. Ekin, S. Bray, R. Sesselmann, 1997, IEEE Transactions on Applied Superconductivity.

Relationships between critical current and stress IN NbTi

J. Ekin, 1987 .

Dependence of the critical current of YBa2Cu3O7−δ coated conductors on in-plane bending

D. C. van der Laan, J. Ekin, D. C. van der Laan, 2008 .

Airy Pattern, Weak-Link Modeling of Critical Currents in High-Tc Superconductors

J. Ekin, R. Peterson, 1989 .

Josephson effect above 77 K in a YBaCuO break junction

J. Moreland, J. Ekin, A. Clark, 1987 .

Critical-Current Measurements on an ITER Nb$_{3}$Sn Strand: Effect of Axial Tensile Strain

J. Ekin, L. Goodrich, N. Cheggour, 2007, IEEE Transactions on Applied Superconductivity.

High Compressive Axial Strain Effect on the Critical Current and Field of Nb3Sn Superconductor Wire

J. Ekin, S. Bray, 1996 .

Superconductors

J. Ekin, 1983, Materials at Low Temperatures.

Strain scaling law for flux pinning in NbTi, Nb 3 Sn, Nb-Hf/Cu-Sn-Ga, V 3 Ga and Nb 3 Ge

J. Ekin, 1981 .

Effect of strain on the critical current of Nb 3 Ge

J. Ekin, A. Braginski, 1979 .

Strain dependence of the critical current and critical field in multifilamentary Nb 3 Sn composites

J. Ekin, 1979 .

TRANSPORT CRITICAL CURRENT IN BULK SINTERED Y1Ba2Cu3OxAND POSSIBILITIES FOR ITS ENHANCEMENT

J. Ekin, 1987 .

Magnetic coupling in superposed type-II superconducting films

J. Ekin, B. Serin, J. R. Clem, 1974 .

Magnetic Susceptibility and Strain-Induced Martensite Formation at 4 K in Type 304 Stainless Steel

R. Reed, J. Ekin, R. Goldfarb, 1984 .

Reversible axial-strain effect in Y–Ba–Cu–O coated conductors

V. Selvamanickam, J. Ekin, C. Thieme, 2005, IEEE Transactions on Applied Superconductivity.

Progress in scale-up of second-generation high-temperature superconductors at SuperPower Inc

Y. Li, V. Selvamanickam, Y. Iwasa, 2005 .

Evaluation of Nb/sub 3/Sn superconductors for use in a 23.5 T NMR magnet

S. T. Wang, J. Ekin, T. Tenforde, 1994 .

Mechanisms for critical-current degradation in NbTi and Nb 3 Sn multifilamentary wires

J. Ekin, 1977 .

VAMAS intercomparison of critical current measurement in Nb/sub 3/Sn wires

J. Ekin, H. Wada, L. Goodrich, 1989 .

Defining critical current

J. Ekin, A. Clark, 1977 .

Critical-current degradation in Nb3Al wires due to axial and transverse stress

J. Ekin, H. Wada, T. Kuroda, 1993 .

Effect of transverse compressive stress on the critical current and upper critical field of Nb3Sn

J. Ekin, 1987 .

Fatigue-Induced Electrical Degradation of Composite High-Purity/High-Strength Aluminum Rings at 4 K

J. Ekin, S. Bray, M. Nilles, 1998 .

Delamination strength of YBCO coated conductors under transverse tensile stress

J. Ekin, C. Clickner, D. C. van der Laan, 2007 .

Unified scaling law for flux pinning in practical superconductors: I. Separability postulate, raw scaling data and parameterization at moderate strains

J. Ekin, John W. Ekin, 2010 .

Evidence for weak link and anisotropy limitations on the transport critical current in bulk polycrystalline Y1Ba2Cu3Ox

J. Kwo, J. Ekin, M. Hong, 1987 .

Multifilamentary Nb-Nb 3 Sn composite by liquid infiltration method: Superconducting, metallurgical, and mechanical properties

J. Ekin, M. Hong, W. Hassenzahl, 1983 .

Correlation between d -wave pairing behavior and magnetic-field-dependent zero-bias conductance peak

S. Wolf, T. Venkatesan, J. Ekin, 1997 .

Unified Scaling Law for flux pinning in practical superconductors: II. Parameter testing, scaling constants, and the Extrapolative Scaling Expression

J. Ekin, B. Bordini, D. Richter, 2016 .

Magnetization and magnetoresistance of common alloy wires used in cryogenic instrumentation.

J. Ekin, A. Adare, M. Abrecht, 2007, The Review of scientific instruments.

Transport critical current of aligned polycrystalline Y1Ba2Cu3O7−δ and evidence for a nonweak‐linked component of intergranular current conduction

J. Ekin, H. R. Hart, A. R. Gaddipati, 1990 .

Fatigue and Stress Effects in NbTi and Nb3Sn Multifilamentary Superconductors

J. Ekin, 1978 .

Method for making low‐resistivity contacts to high Tc superconductors

J. Ekin, B. Blankenship, A. J. Panson, 1988 .

Critical-current degradation in multifilamentary Nb/sub 3/Al wires from transverse compressive and axial tensile stress

J. Ekin, S.L. Bray, J.W. Ekin, 1993, IEEE Transactions on Applied Superconductivity.

Strain scaling law for flux pinning in practical superconductors. Part 1: Basic relationship and application to Nb3Sn conductors

J. Ekin, John W. Ekin, 1980 .

Electron Tunneling Measurements of High Tc Compounds Using Break Junctions

J. Moreland, J. Ekin, A. Clark, 1987 .

Effect of uniaxial strain on the critical current and critical field of Chevrel phase PbMo 6 S 8 superconductors

J. Ekin, K. Hamasaki, T. Yamashita, 1985 .

Effect of strain on the critical current and critical field of B1 structure NbN superconductors

J. Ekin, J. Gregg, J. Gavaler, 1982 .

Effect of strain on the critical parameters of V2(Hf, Zr) Laves phase composite superconductors

J. Ekin, H. Wada, K. Inoue, 1982 .

High‐transport current density up to 30 T in bulk YBa2Cu3O7 and the critical angle effect

V. Selvamanickam, J. Ekin, K. Salama, 1991 .

Electron tunneling experiments using Nb‐Sn ‘‘break’’ junctions

J. Moreland, J. Ekin, 1985 .

Experimental techniques for low-temperature measurements

J. Ekin, John W. Ekin, 2006 .

Irregularity in NbTi filament area and electric field versus current characteristics

J. Ekin, 1987 .

Current record in superconductors

V. Selvamanickam, J. Ekin, K. Salama, 1991, Nature.

Magnetic field dependence of d.c. critical current for large samples of textured bulk YBaCuO

J. Ekin, T. Francavilla, C. Chu, 1993 .

Critical magnetic-field angle for high-field current transport in YBa2Cu3O7 at 76 K

J. Ekin, 1992 .

Offset criterion for determining superconductor critical current

J. Ekin, Jack W. Ekin, 1989 .

Electron Production by Associative Detachment of O– Ions with NO, CO, and H2

J. Moruzzi, J. Ekin, A. Phelps, 1968 .

Electron tunneling into superconducting filaments using mechanically adjustable barriers

John Moreland, J. Moreland, J. Ekin, 1985 .

Insulating boundary layer and magnetic scattering in YBa2Cu3O7−δ /Ag interfaces over a contact resistivity range of 10−8–10−3 Ω cm2

Stephen E. Russek, S. Russek, J. Ekin, 1994 .

Anisotropy in the Electron-Phonon Umklapp Interaction and Deviations from Matthiessen's Rule

J. Ekin, A. Bringer, 1973 .

Electrical Resistivity of Potassium from 1 to 25 °K

J. Ekin, B. Maxfield, 1971 .

Standard Reference Materials: Critical current measurements on an NbTi superconducting wire standard reference material

D. F. Vecchia, J. Ekin, A. Clark, 1984 .

Electron-Phonon Umklapp-Scattering Processes in the Low-Temperature Thermal Resistivity of Potassium

J. Ekin, 1972 .

Electron-Phonon Umklapp Interaction in the Low-Temperature Electrical Resistivity of Potassium

J. Ekin, 1971 .

Electron-Phonon Umklapp Scattering Processes in the Low-Temperature Ultrasonic Attenuation and Electrical Resistivity of Potassium

J. Ekin, P. N. Trofimenkoff, 1971 .

Mechanical Properties and Strain Effects in Superconductors

J. Ekin, J. W. Ekin, 1981 .

Effect of thermal contraction of sample-holder material on critical current. Final report

R. Radebaugh, J. Ekin, A. Clark, 1980 .

Magnetic coupling force of the superconducting dc transformer

J. Ekin, J. Clem, 1975 .

Electron Tunneling into Superconducting Filaments: Depth Profiling The Energy GAP of NbTi Filaments from Magnet Wires

J. Moreland, J. Ekin, L. Goodrich, 1986 .

Stress/strain effects on critical current

J. Ekin, 1995 .

II-6: Current transfer

J. Ekin, 1995 .

Reversible axial-strain effect and extended strain limits in Y-Ba-Cu-O coatings on deformation-textured substrates

D. T. Verebelyi, Cornelis Leo Hans Thieme, Amit Goyal, 2003 .

Evidence for tunneling and magnetic scattering at in situ YBCO/noble-metal interfaces

S. Russek, J. Ekin, C. Clickner, 1995, IEEE Transactions on Applied Superconductivity.

Surface Degradation of Superconducting YBa2Cu3O7-δ Thin Films

S. Russek, J. Ekin, A. Roshko, 1994 .

In situ noble metal YBa2Cu3O7 thin‐film contacts

Blaise Jeanneret, Stephen E. Russek, B. Jeanneret, 1993 .

Lap joint resistance and intrinsic critical current measurements on a NbTi superconducting wire

J. Ekin, L. Goodrich, 1981 .

Training studies of epoxy-impregnated superconductor windings

J. Ekin, D. Waltman, M. Superczynski, 1982 .

Training of Epoxy-Impregnated Superconductor Windings

J. Ekin, M. Superczynski, R. Schramm, 1980 .

Effect of Strain on the Critical Current of Nb3Sn and NbTi Multifilamentary Composite Wires

J. Ekin, A. Clark, 1976 .

Large intrinsic effect of axial strain on the critical current of high-temperature superconductors for electric power applications

J. Ekin, D. C. V. D. Laan, 2007 .

Effect of strain, magnetic field and field angle on the critical current density of Y Ba2Cu3O7−δ coated conductors

J. Douglas, J. Ekin, L. Goodrich, 2010 .

International round robin test for mechanical properties of Nb3Sn superconductive wires at room temperature

J. Ekin, A. Nijhuis, Y. Ilyin, 2008 .

Effect of tensile strain on grain connectivity and flux pinning in Bi2Sr2Ca2Cu3Ox tapes

J. Ekin, B. T. Haken, J. Schwartz, 2006 .

Introduction to section B5: Superconductor contacts

J. Ekin, 2002 .

Pt Buffer Layer for Protecting YBCO from Al at Annealing Temperatures up to 450°C

B. Jeanneret, J. Ekin, S. C. Sanders, 1996 .

Growth of Laser Ablated YBa2Cu3O7-δ Films as Examined by RHEED and Scanning Tunneling Microscopy

S. Russek, J. Ekin, D. Rudman, 1992 .

Effect of stress on the critical current of Nb3Sn multifilamentary composite wire

J. Ekin, John W. Ekin, 1976 .

Transverse compressive stress effect in Y-Ba-Cu-O coatings on biaxially textured Ni and Ni-W substrates

Mariappan Parans Paranthaman, D. T. Verebelyi, Cornelis Leo Hans Thieme, 2003 .

Processing Limits for Ultrafine-Multifilament Nb3SN

J. C. Ho, M. Walker, J. Ekin, 1980 .

Critical currents in granular superconductors

J. Ekin, 1975 .

Oxygen annealing of YBCO/gold thin-film contacts

J. Ekin, C. Clickner, R. Fiske, 1998 .

a-axis YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta///Au interface conductance-voltage characteristics

T. Venkatesan, S. Russek, C. Rogers, 1997, IEEE Transactions on Applied Superconductivity.

Oxygen annealing of ex-situ YBCO/Ag thin-film interfaces

S. Russek, J. Ekin, C. Clickner, 1995, IEEE Transactions on Applied Superconductivity.

307-6 /Au Interface Conductance-~olta~e C aracteris tics

T. Venkatesan, S. Russek, C. Rogers, 1997 .

Transverse compressive stress, fatigue, and magnetic substrate effects on the critical current density of Y-Ba-Cu-O coated RABiTS tapes

Dominic F. Lee, D. Christen, J. Ekin, 2002 .

Effect of transverse stress on the critical current of bronze-process and internal-tin Nb3Sn

W. L. Bahn, J. Ekin, S. Bray, 1991 .

Hysteresis losses in fine filament internal-tin superconductors

J. Ekin, R. Goldfarb, 1986 .

Unified Scaling Law for flux pinning in practical superconductors: III. Minimum datasets, core parameters, and application of the Extrapolative Scaling Expression

J. Ekin, L. Goodrich, N. Cheggour, 2017 .

Compressive pre-strain in high-niobium-fraction Nb/sub 3/Sn superconductors

J. Ekin, C. Clickner, N. Cheggour, 2005, IEEE Transactions on Applied Superconductivity.

J-B-T-ε interaction and strain limits in A15, B1, and C15 crystal structure superconductors

J. Ekin, 1983 .

Further investigations of the solid-liquid reaction and high-field critical current density in liquid-infiltrated Nb-Sn superconductors

F. Hellman, J. Ekin, M. Hong, 1985 .

Electromechanical and metallurgical properties of liquid‐infiltration Nb‐Ta/Sn multifilamentary superconductor

J. Ekin, M. Hong, 1984 .

Conductors for a 1 GHz superconducting magnet

S. T. Wang, J. Ekin, T. Tenforde, 1994 .

Characterization of multifilamentary Nb/sub 3/Sn superconducting wires for use in the 45-T hybrid magnet

J. Ekin, L. Summers, S. Bray, 1995, IEEE Transactions on Applied Superconductivity.

Unified Strain-and-Temperature Scaling Law: Separable Parameter Set | NIST

J. Ekin, 2008 .

Extrapolative Scaling Expression: A Fitting Equation for Extrapolating Full Ic (B,T,ϵ) Data Matrixes From Limited Data

J. Ekin, L. Bottura, B. Bordini, 2017, IEEE transactions on applied superconductivity.

Superconductors

J. Ekin, 1983, Materials at Low Temperatures.

A procedural solution for determining the temperature dependence of transport critical current in Nb3Sn superconducting wires using magnetization measurements

J. Ekin, B. Bordini, T. Baumgartner, 2022, Superconductor Science and Technology.

A Simple ac Bridge Circuit for Use in Four‐Terminal Resistance Thermometry

J. Ekin, D. Wagner, 1970 .

Definitions of terms for practical superconductors 3. fabrication, stabilization and transient losses

R. Powell, J. Ekin, D. Read, 1979 .

The development of standards for practical superconductors

R. Radebaugh, J. Ekin, D. Read, 1979 .

Transverse compressive stress effects on the critical current of Bi-2223/Ag tapes reinforced with pure Ag and oxide-dispersion-strengthened Ag

S L. Bray, J. Ekin, L. Masur, 2000 .

Effect of Fatigue Under Transverse Compressive Stress on Slit Y-Ba-Cu-O Coated Conductors

J. Ekin, C. Thieme, N. Cheggour, 2007, IEEE Transactions on Applied Superconductivity.

Transverse stress and fatigue effects in Y-Ba-Cu-O coated IBAD tapes

D. Larbalestier, J. Ekin, C. Clickner, 2001 .

A flexible high-current lead for use in high-magnetic-field cryogenic environments

J. Ekin, S. Bray, P. Kirkpatrick, 1999 .

V-2: Effects of stress/strain

J. Ekin, C. Walters, K. Katagiri, 1995 .