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1

‘Electromaglev’—magnetic levitation of a superconducting disc with a DC field generated by electromagnets: Part 1. Theoretical and experimental results on operating modes, lift-to-weight ratio, and suspension stiffness

Yukikazu Iwasa, Haigun Lee

Journal:

Year:

1997

Language:

english

File:

PDF, 1.04 MB

english, 1997

2

HTS Pancake Coils Without Turn-to-Turn Insulation

Hahn, Seungyong, Park, Dong Keun, Bascunan, Juan, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2011

Language:

english

File:

PDF, 696 KB

english, 2011

3

A 1.3-GHz LTS/HTS NMR Magnet– A Progress Report

Bascunan, Juan, Hahn, Seungyong, Park, Dong Keun, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2011

Language:

english

File:

PDF, 742 KB

english, 2011

4

Turn-to-turn contact characteristics for an equivalent circuit model of no-insulation ReBCO pancake coil

Wang, Xudong, Hahn, Seungyong, Kim, Youngjae, Bascuñán, Juan, Voccio, John, Lee, Haigun, Iwasa, Yukikazu

Journal:

Superconductor Science and Technology

Year:

2013

Language:

english

File:

PDF, 348 KB

english, 2013

5

Case Studies in Superconducting Magnets: Design and Operational Issues

Iwasa, Yukikazu, Marken, Kenneth R.

Journal:

Year:

1995

Language:

english

File:

PDF, 368 KB

english, 1995

6

A persistent-mode 0.5 T solid-nitrogen-cooled MgB 2 magnet for MRI

Ling, Jiayin, Voccio, John P, Hahn, Seungyong, Qu, Timing, Bascuñán, Juan, Iwasa, Yukikazu

Journal:

Superconductor Science and Technology

Year:

2017

Language:

english

File:

PDF, 2.59 MB

english, 2017

7

A Field-Shaking System to Reduce the Screening-Current-Induced Field in the 800-MHz HTS Insert of the MIT 1.3-GHz LTS/HTS NMR Magnet: A Small-Model Study

Lee, Jiho, Park, Dongkeun, Michael, Philip C., Noguchi, So, Bascunan, Juan, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2018

Language:

english

File:

PDF, 1.09 MB

english, 2018

8

Quench Analyses of the MIT 1.3-GHz LTS/HTS NMR Magnet

Noguchi, So, Park, Dongkeun, Choi, Yoonhyuch, Lee, Jiho, Li, Yi, Michael, Philip C., Bascunan, Juan, Hahn, Seungyong, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2019

Language:

english

File:

PDF, 1.25 MB

english, 2019

9

HTS and NMR/MRI magnets: Unique features, opportunities, and challenges

Journal:

Physica C: Superconductivity

Year:

2006

Language:

english

File:

PDF, 396 KB

english, 2006

10

A “permanent” high-temperature superconducting magnet operated in thermal communication with a mass of solid nitrogen

Benjamin J Haid, Haigun Lee, Yukikazu Iwasa, Sang-Soo Oh, Young-Kil Kwon, Kang-Sik Ryu

Journal:

Year:

2002

Language:

english

File:

PDF, 770 KB

english, 2002

11

`Electromaglev' (`Active-Maglev') — magnetic levitation of a superconducting disk with a DC field generated by electromagnets: Part 2 Theoretical and experimental results on lift-to-weight ratio and lateral stiffness

Haigun Lee, Makoto Tsuda, Yukikazu Iwasa

Journal:

Year:

1998

Language:

english

File:

PDF, 475 KB

english, 1998

12

Solid-Cryogen Cooling Technique for Superconducting Magnets of NMR and MRI

Yukikazu Iwasa, Juan Bascuñán, Seungyong Hahn, Dong Keun Park

Journal:

Physics Procedia

Year:

2012

Language:

english

File:

PDF, 942 KB

english, 2012

13

Passive Shimming by Eliminating Spherical Harmonics Coefficients of all Magnetic Field Components Generated by Correction Iron Pieces

Noguchi, So, Kim, SeokBeom, Hahn, Seungyong, Iwasa, Yukikazu

Journal:

IEEE Transactions on Magnetics

Year:

2014

Language:

english

File:

PDF, 774 KB

english, 2014

14

Numerical Simulation of Superconducting Coil Wound With No-Insulation NbTi Wire

Noguchi, So, Itoh, Ryusei, Seungyong Hahn,, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 982 KB

english, 2014

15

No-insulation multi-width winding technique for high temperature superconducting magnet

Hahn, Seungyong, Kim, Youngjae, Keun Park, Dong, Kim, Kwangmin, Voccio, John P., Bascuñán, Juan, Iwasa, Yukikazu

Journal:

Applied Physics Letters

Year:

2013

Language:

english

File:

PDF, 1.08 MB

english, 2013

16

Tape-to-Tape Joint Resistances of a Magnet Assembled From (RE)BCO Double-Pancake Coils

Lecrevisse, Thibault, Bascunan, Juan, Hahn, Seungyong, Kim, Youngjae, Song, Jungbin, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2015

Language:

english

File:

PDF, 853 KB

english, 2015

17

Towards liquid-helium-free, persistent-mode MgB 2 MRI magnets: FBML experience

Iwasa, Yukikazu

Journal:

Superconductor Science and Technology

Year:

2017

Language:

english

File:

PDF, 2.86 MB

english, 2017

18

A REBCO Persistent-Current Switch, Immersed in Solid Nitrogen, Operating at Temperatures near 10 K

Michael, Philip C., Lee, Jiho, Voccio, John, Bascunan, Juan, Hahn, Seungyong, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2017

Language:

english

File:

PDF, 487 KB

english, 2017

19

Construction and Test Results of Coils 2 and 3 of a 3-Nested-Coil 800-MHz REBCO Insert for the MIT 1.3-GHz LTS/HTS NMR Magnet

Park, Dongkeun, Bascunan, Juan, Michael, Philip C., Lee, Jiho, Hahn, Seungyong, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2018

Language:

english

File:

PDF, 917 KB

english, 2018

20

Protection of HTS magnets

Journal:

Physica C: Superconductivity

Year:

2005

Language:

english

File:

PDF, 116 KB

english, 2005

21

5332988 Removable coil form for superconducting NMR magnets and a method for its use

Alexander Zhukovsky, Yukikazu Iwasa, Emanual Bobrov, John EC Williams

Journal:

Magnetic Resonance Imaging

Year:

1995

Language:

english

File:

PDF, 99 KB

english, 1995

22

Irreversibility lines and morphologies of BiPbSrCaCuO silver sheathed wires

Takeshi Hikata, Ken-ichi Sato, Yukikazu Iwasa

Journal:

Physica C: Superconductivity

Year:

1991

Language:

english

File:

PDF, 196 KB

english, 1991

23

High-temperature superconducting current lead incorporating operation in the current-sharing mode

Yukikazu Iwasa, Haigun Lee

Journal:

Year:

2000

Language:

english

File:

PDF, 287 KB

english, 2000

24

Microampere flux pumps for superconducting NMR magnets Part 1: basic concept and microtesla flux measurement

Journal:

Year:

2001

Language:

english

File:

PDF, 346 KB

english, 2001

25

Helium vapor-cooled brass current leads: experimental and analytical results

Haigun Lee, Paul Arakawa, Kenneth R. Efferson, Yukikazu Iwasa

Journal:

Year:

2001

Language:

english

File:

PDF, 135 KB

english, 2001

26

HTS magnets: stability; protection; cryogenics; economics; current stability/protection activities at FBML

Journal:

Year:

2003

Language:

english

File:

PDF, 505 KB

english, 2003

27

Development of vapor-cooled HTS-copper 6-kA current lead incorporating operation in the current-sharing mode

Haigun Lee, Ho Min Kim, Yukikazu Iwasa, Keeman Kim, Paul Arakawa, Greg Laughon

Journal:

Year:

2004

Language:

english

File:

PDF, 506 KB

english, 2004

28

Heating-Induced acoustic emission in an adiabatic high-temperature superconducting winding

Kazuaki Arai, Yukikazu Iwasa

Journal:

Year:

1997

Language:

english

File:

PDF, 289 KB

english, 1997

29

Cryotribology of diamond and graphite

Yukikazu Iwasa, Ahmet F. Ashaboglu, Ernest R. Rabinowicz, Takeshi Tachibana, Koji Kobashi

Journal:

Year:

1997

Language:

english

File:

PDF, 621 KB

english, 1997

30

Two-dimensional normal zone propagation in BSCCO-2223 pancake coils

Hunwook Lim, Yukikazu Iwasa

Journal:

Year:

1997

Language:

english

File:

PDF, 1.21 MB

english, 1997

31

“Electromaglev” (“active-maglev”) – magnetic levitation of a superconducting disk with a DC field generated by electromagnets. Part 4: theoretical and experimental results on supercurrent distributions in field-cooled YBCO disks

Makoto Tsuda, Haigun Lee, So Noguchi, Yukikazu Iwasa

Journal:

Year:

1999

Language:

english

File:

PDF, 794 KB

english, 1999

32

Beneficial effect of solid nitrogen on a BSCCO-2223/Ag composite tape subjected to local heating

Akira Sugawara, Hisashi Isogami, Benjamin J Haid, Yukikazu Iwasa

Journal:

Physica C: Superconductivity

Year:

2002

Language:

english

File:

PDF, 563 KB

english, 2002

33

Measurement of the magnetic field of resin-impregnated bulk superconductor annuli

Masaru Tomita, Yusuke Fukumoto, Kenji Suzuki, Yukikazu Iwasa

Journal:

Physica C: Superconductivity

Year:

2010

Language:

english

File:

PDF, 335 KB

english, 2010

34

Design analysis of a solid nitrogen cooled “permanent” high-temperature superconducting magnet system

Benjamin J Haid, Haigun Lee, Yukikazu Iwasa, Sang-Soo Oh, Young-Kil Kwon, Kang-Sik Ryu

Journal:

Year:

2002

Language:

english

File:

PDF, 474 KB

english, 2002

35

Field Performance of an Optimized Stack of YBCO Square “Annuli” for a Compact NMR Magnet

Hahn, Seungyong, Voccio, John, Bermond, Stéphane, Park, Dong-Keun, Bascunan, Juan, Kim, Seok-Beom, Masaru, Tomita, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2011

Language:

english

File:

PDF, 686 KB

english, 2011

36

Active Protection of an ${\rm MgB}_{2}$ Test Coil

Park, Dong Keun, Hahn, Seungyong, Bascunan, Juan, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2011

Language:

english

File:

PDF, 675 KB

english, 2011

37

Field performance of a prototype compact YBCO “annulus” magnet for micro-NMR spectroscopy

Gagnon, Blair, Hahn, Seungyong, Park, Dong Keun, Voccio, John, Kim, Kwangmin, Bascuñán, Juan, Iwasa, Yukikazu

Journal:

Physica C: Superconductivity

Year:

2013

Language:

english

File:

PDF, 1.28 MB

english, 2013

38

An LTS/HTS NMR Magnet Operated in the Range 600–700 MHz

Bascunan, Juan, Kim, Wooseok, Hahn, Seungyong, Bobrov, Emanuel S., Lee, Haigun, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2007

Language:

english

File:

PDF, 655 KB

english, 2007

39

Persistent-mode high-temperature superconductor shim coils: A design concept and experimental results of a prototype Z1 high-temperature superconductor shim

Iwasa, Yukikazu, Hahn, Seungyong, Voccio, John, Keun Park, Dong, Kim, Youngjae, Bascuñán, Juan

Journal:

Applied Physics Letters

Year:

2013

Language:

english

File:

PDF, 814 KB

english, 2013

40

Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability

Seungyong Hahn,, Seok Beom Kim,, Min Cheol Ahn,, Voccio, John, Bascunan, Juan, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2010

Language:

english

File:

PDF, 601 KB

english, 2010

41

Corrections to “Effects of Impregnating Materials on Thermal and Electrical Stabilities of the HTS Racetrack Pancake Coils Without Turn-to-Turn Insulation” [Jun 13 7700404]

Shin, Hyun-Jin, Kim, Kwang Lok, Choi, Yoon Hyuck, Kwon, Oh Jun, Hahn, Seungyong, Iwasa, Yukikazu, Lee, Haigun

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2013

Language:

english

File:

PDF, 26 KB

english, 2013

42

Effect of Winding Tension on Electrical Behaviors of a No-Insulation ReBCO Pancake Coil

Kwang Lok Kim,, Seungyong Hahn,, Youngjae Kim,, Dong Gyu Yang,, Jung-Bin Song,, Bascunan, Juan, Haigun Lee,, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 667 KB

english, 2014

43

A 78-mm/7-T Multi-Width No-Insulation ReBCO Magnet: Key Concept and Magnet Design

Seungyong Hahn,, Youngjae Kim,, Jungbin Song,, Voccio, John, Jiayin Ling,, Bascunan, Juan, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 736 KB

english, 2014

44

HTS Wind Power Generator: Electromagnetic Force Between No-Insulation and Insulation Coils Under Time-Varying Conditions

Song, Jung-Bin, Hahn, Seungyong, Kim, Youngjae, Voccio, John, Ling, Jiayin, Bascunan, Juan, Lee, Haigun, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 1.26 MB

english, 2014

45

Passive Shimming for Magic-Angle-Spinning NMR

Noguchi, So, Seungyong Hahn,, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 948 KB

english, 2014

46

Characteristic Resistance of No-Insulation and Partial-Insulation Coils With Nonuniform Current Distribution

Dong Gyu Yang,, Seungyong Hahn,, Youngjae Kim,, Kwang Lok Kim,, Jung-Bin Song,, Bascunan, Juan, Haigun Lee,, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 1.13 MB

english, 2014

47

Progresses and challenges in the development of high-field solenoidal magnets based on RE123 coated conductors

Senatore, Carmine, Alessandrini, Matteo, Lucarelli, Andrea, Tediosi, Riccardo, Uglietti, Davide, Iwasa, Yukikazu

Journal:

Superconductor Science and Technology

Year:

2014

Language:

english

File:

PDF, 3.19 MB

english, 2014

48

Development of a 0.5-T/240-mm $\hbox{MgB}_{2}$ MRI Magnet: Assembly Design and Module Coils

Jiayin Ling,, Voccio, John, Seungyong Hahn,, Youngjae Kim,, Jungbin Song,, Bascunan, Juan, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 886 KB

english, 2014

49

A 1.5-T/75-mm Magic-Angle-Spinning NMR Magnet

Voccio, John, Seungyong Hahn,, Youngjae Kim,, Jiayin Ling,, Jungbin Song,, Bascunan, Juan, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 717 KB

english, 2014

50

90-mm/18.8-T All-HTS Insert Magnet for 1.3 GHz LTS/HTS NMR Application: Magnet Design and Double-Pancake Coil Fabrication

Bascunan, Juan, Seungyong Hahn,, Youngjae Kim,, Jungbin Song,, Iwasa, Yukikazu

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2014

Language:

english

File:

PDF, 720 KB

english, 2014