Ravi-Persad Sawh: search on Z-Library

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1

New chemical pinning center from uranium compound in melt-textured YBCO

Yanru Ren, Roy Weinstein, Ravi-Persad Sawh

Journal:

Physica C: Superconductivity

Year:

1997

Language:

english

File:

PDF, 200 KB

english, 1997

2

An explanation for observed flux creep in opposite direction to Lorentz force in partially magnetized bulk superconductors

Ainslie, Mark, Weinstein, Roy, Sawh, Ravi-Persad

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2019

File:

PDF, 1.19 MB

2019

3

Very high values of Jc obtained in NdBa2Cu3Ox by use of the U/n process

Roy Weinstein, Ravi-Persad Sawh, Drew Parks, Masato Murakami, Tadashi Mochida, Noriko Chikumoto, Gernot Krabbes, Wolfgang Bieger

Journal:

Physica C: Superconductivity

Year:

2002

Language:

english

File:

PDF, 204 KB

english, 2002

4

Improvement of high Tc superconductor by near-optimum pinning centers created by high Z, high-energy ions

Roy Weinstein, Ravi-Persad Sawh, Drew Parks, Billy Mayes

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

2012

Language:

english

File:

PDF, 916 KB

english, 2012

5

A class of chemical pinning centers including two elements foreign to HTS

Roy Weinstein, Ravi-Persad Sawh

Journal:

Physica C: Superconductivity

Year:

2003

Language:

english

File:

PDF, 319 KB

english, 2003

6

Uranium chemistry and pinning centers in high temperature superconductor

Ravi-Persad Sawh, Yanru Ren, Roy Weinstein, Wolfgang Hennig, Takayuki Nemoto

Journal:

Physica C: Superconductivity

Year:

1998

Language:

english

File:

PDF, 486 KB

english, 1998

7

Anomalous results observed in magnetization of bulk high temperature superconductors—A windfall for applications

Weinstein, Roy, Parks, Drew, Sawh, Ravi-Persad, Carpenter, Keith, Davey, Kent

Journal:

Journal of Applied Physics

Year:

2016

Language:

english

File:

PDF, 1.26 MB

english, 2016

8

Tungsten and molybdenum double perovskites as pinning centers in melt-textured Y123

Ravi-Persad Sawh, Roy Weinstein, Drew Parks, Alberto Gandini, Yanru Ren, Irene Rusakova

Journal:

Physica C: Superconductivity

Year:

2003

Language:

english

File:

PDF, 200 KB

english, 2003

9

Measurements of flux pumping activation of trapped field magnets

Weinstein, Roy, Parks, Drew, Sawh, Ravi-Persad, Davey, Kent

Journal:

Superconductor Science and Technology

Year:

2010

Language:

english

File:

PDF, 118 KB

english, 2010

10

A study of pulsed activation of trapped field magnets: effects of multiple pulsing

Weinstein, Roy, Parks, Drew, Sawh, Ravi-Persad, Davey, Kent, Carpenter, Keith

Journal:

Superconductor Science and Technology

Year:

2013

Language:

english

File:

PDF, 890 KB

english, 2013

11

Uranium fission fragment pinning centers in melt-textured YBCO

Ravi-Persad Sawh, Roy Weinstein, Yanru Ren, Victor Obot, Harald Weber

Journal:

Physica C: Superconductivity

Year:

2000

Language:

english

File:

PDF, 158 KB

english, 2000

12

Improved pinning regime by energetic ions using reduction of pinning potential

Roy Weinstein, Alberto Gandini, Ravi-Persad Sawh, Drew Parks, Bill Mayes

Journal:

Physica C: Superconductivity

Year:

2003

Language:

english

File:

PDF, 294 KB

english, 2003

13

Observation of a Bean Model Limit—A Large Decrease in Required Applied Activation Field for TFMs

Weinstein, Roy, Parks, Drew, Sawh, Ravi-Persad, Davey, Kent, Carpenter, Keith

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2015

Language:

english

File:

PDF, 478 KB

english, 2015

14

AIP Conference Proceedings [AIP TRANSACTIONS OF THE INTERNATIONAL CRYOGENIC MATERIALS CONFERENCE—ICMC: Advances in Cryogenic Engineering Materials - Tucson (Arizona) (28 June–2 July 2009)] - THE PUZZLE OF TWO DIFFERENT SUB-MICROMETER TUNGSTEN-RICH DEPOSITS IN BULK YBCO: ONE ACTS AS PINNING CENTERS AND THE OTHER DOES NOT

Sawh, Ravi-Persad, Weinstein, Roy, Parks, Drew, Gandini, Alberto, Balachandran, U. (Balu)

Year:

2010

Language:

english

File:

PDF, 623 KB

english, 2010

15

Is it really possible to increase J c by reducing the pinning potential?

Weinstein, Roy, Sawh, Ravi-Persad, Gandini, Alberto, Mayes, Bill, Parks, Drew

Journal:

Superconductor Science and Technology

Year:

2007

Language:

english

File:

PDF, 756 KB

english, 2007

16

A phenomenon in bulk HTS that leads to greatly expanded applicability to electromechanical devices

Weinstein, Roy, Parks, Drew, Sawh, Ravi-Persad, Davey, Kent

Journal:

Journal of Applied Physics

Year:

2019

File:

PDF, 1.26 MB

2019

17

Isotropic short columnar pinning centers from fission fragment damage in bulk melt-textured YBCO

Yanru Ren, Roy Weinstein, Ravi-Persad Sawh, Jianxiong Liu

Journal:

Physica C: Superconductivity

Year:

1997

Language:

english

File:

PDF, 208 KB

english, 1997

18

A significant advantage for trapped field magnet applications—A failure of the critical state model

Weinstein, Roy, Parks, Drew, Sawh, Ravi-Persad, Carpenter, Keith, Davey, Kent

Journal:

Applied Physics Letters

Year:

2015

Language:

english

File:

PDF, 535 KB

english, 2015

19

Production run of 2 cm diameter YBCO trapped field magnets with surface field of 2 T at 77 K

Sawh, Ravi-Persad, Weinstein, Roy, Carpenter, Keith, Parks, Drew, Davey, Kent

Journal:

Superconductor Science and Technology

Year:

2013

Language:

english

File:

PDF, 1.55 MB

english, 2013

20

Effect of different uranium compounds on the properties of U–Pt–Y–Ba–O double-perovskite pinning centres in textured Y–Ba–Cu–O superconductor

Sawh, Ravi-Persad, Weinstein, Roy, Parks, Drew, Gandini, Alberto

Journal:

Superconductor Science and Technology

Year:

2005

Language:

english

File:

PDF, 352 KB

english, 2005

21

Sub-Micron Non-Superconducting Deposits That Fail to Act as Pinning Centers in Textured YBCO Superconductor

Sawh, Ravi-Persad, Weinstein, Roy, Parks, Drew, Obot, Victor, Gandini, Alberto

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2007

Language:

english

File:

PDF, 904 KB

english, 2007

22

A pinning puzzle: two similar, non-superconducting chemical deposits in YBCO—one pins, the other does not

Sawh, Ravi-Persad, Weinstein, Roy, Gandini, Alberto, Skorpenske, Harley, Parks, Drew

Journal:

Superconductor Science and Technology

Year:

2009

Language:

english

File:

PDF, 507 KB

english, 2009

23

Self-assembling nano-diameter needlelike pinning centers in YBCO, utilizing a foreign element dopant

Sawh, Ravi-Persad, Weinstein, Roy, Obot, Victor, Parks, Drew, Gandini, Alberto, Skorpenske, Harley

Journal:

Journal of Physics Conference Series

Year:

2006

Language:

english

File:

PDF, 257 KB

english, 2006

24

Characteristics of Trapped Field Magnet Activation by Flux Pumping

Weinstein, Roy, Parks, Drew, Sawh, Ravi-Persad, Davey, Kent

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2011

Language:

english

File:

PDF, 425 KB

english, 2011

25

Experimental test of the postulate that continuous columnar pinning centers produce the highest

Roy Weinstein, Alberto Gandini, Ravi-Persad Sawh, Bill Mayes, Drew Parks

Journal:

Physics Letters A

Year:

2004

Language:

english

File:

PDF, 131 KB

english, 2004

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