ד"ר יוסי אבולעפיה

ד"ר
ד"ר יוסי אבולעפיה
שנת הדוקטורט: 

תחומי מחקר

Mapping and characterization of local magnetic properties of high-temperature superconductors

פירסומים

Hall-Array Gradiometer for Measurement of the Magnetic Induction Vector in Superconductors
Y. Abulafia, Y. Wolfus, M. McElfresh, A. Shaulov, Y. Yeshurun, Y. Paltiel, H. Shtrikman, and E. Zeldov
J. Appl. Phys. 85, 5471  (1999).

Local Magnetization Measurements on Bi2Sr2Ca2Cu3O10 Tapes
Y. Radzyner, Y. Abulafia, Y. Yeshurun, T. Staiger and G. Fuchs
Physica C 307, 165 (1998).

Measurement of the Magnetic Induction Vector in Superconductors Using a Double Layered Hall Sensors
Y. Abulafia, M. McElfresh, A. Shaulov, Y. Paltiel, D. Majer, H. Shtrikman, and E. Zeldov, and Y. Yeshurun
Appl. Phys. Lett. 72, 2891 (1998).

Local Voltage-Current Characteristics in High-Tc Superconductors
D. Giller, Y. Abulafia, R. Prozorov, Y. Wolfus, A. Shaulov, and Y. Yeshurun
Phys. Rev. B 57, Rapid Communication, 14080 (1998).

Comparative Study of Global and Local Magnetization Measurements on Single Crystalline High-Tc superconductors
M. Werner, G. Brandstatter, F. Sauerzopf, H. W. weber, A. Hoekstra, R. Surdeanu, R. J. Wijngaarden, R. Griessen, Y. Abulafia, Y. Yeshurun, K. Winzer, and B. W. Veal
Physica C 303, 191 (1998).

Local measurements of current-voltage characteristics in high-Tc superconductors using Hall sensors array
Y. Abulafia, R. Prozorov, Y. Wolfus, A. Shaulov and Y. Yeshurun
IEEE Trans. Mag. submitted (1997).

Reply to a Comment on Plastic vortex-creep in YBa2Cu3O7-x crystals
Y. Abulafia, A. Shaulov, R. Prozorov, Y. Wolfus,  L. Burlachkov, Y. Yeshurun, E. Zeldov, V. M. Vinokur, and V. B. Geshkenbein
Phys. Rev. Lett. 79, 3796 (1997).

Disorder-Induced Transition to Entangled Vortex Solid in Nd-Ce-Cu-O Crystal
D. Giller, A. Shaulov, R. Prozorov, Y. Abulafia, Y. Wolfus, L. Burlachkov, Y. Yeshurun, E. Zeldov, V. M. Vinokur, J. L. Peng, and R. L. Greene
Phys. Rev. Lett. 79, 2542 (1997).

Extraction of current density distribution from local magnetic measurements
Y. Abulafia, Y. Wolfus, A. Shaulov, R. Prozorov, D. Giller, Y. Yeshurun
Physica C 282-287, 2225 (1997).

nvestigation of flux creep in high-TC  superconductors using Hall-sensors array

Y. Abulafia, D. Giller, Y. Wolfus, A. Shaulov, Y. Yeshurun, D. Majer, E. Zeldov, J. L. Peng, R. L. Greene
J. Appl. Phys. 81, 4944 (1997).

Hall-Array Measurements of Flux creep parameters in Y-Ba-Cu-O crystals
Y. Abulafia, A. Shaulov, Y. Wolfus, R. Prozorov, L. Burlachkov, D. Majer, E. Zeldov, V. M. Vinokur, Y. Yeshurun
J. Low Temp. Phys. 107, 455 (1997).

Plastic vortex-creep in YBa2Cu3O7-x crystals
Y. Abulafia, A. Shaulov, Y. Wolfus, R. Prozorov, L. Burlachkov, Y. Yeshurun, D. Majer, E. Zeldov, H. Wühl, V. B. Geshkenbein, V. M. Vinokur
Phys. Rev. Lett. 77, 1596 (1996).

Investigation of flux creep in superconductors using Hall-probe array
Y. Abulafia, A. Shaulov, Y. Wolfus, R. Prozorov, L. Burlachkov, Y. Yeshurun, D. Majer, E. Zeldov, and V. Vinokur
"Coherence in High-Tc Superconductors", Eds. A. Revolevscki and G. Deutscher, World Science Publishing (Singapore), p 297 (1996).

Local magnetic relaxation in high-temperature superconductors
Y. Abulafia, A. Shaulov, Y. Wolfus, R. Prozorov, L. Burlachkov, Y. Yeshurun, D. Majer, E. Zeldov, and V. Vinokur

Phys. Rev. Lett. 75, 2404 (1995).


Evidence for Diverging Time Scales for Onset of Irreversin High-Temperature Superconductors
Y. Yeshurun, Y. Wolfus, Y. Abulafia, L. Klein, V. A. Larkin, A. Shaulov, M. Konczykowski, and M. Feigel’man
Physica C 224, 213 (1994).

Frequency dependence of the irreversibility temperature in Y-Ba-Cu-O
Y. Wolfus, R. Prozorov, Y. Yeshurun, A. Shaulov, Y. Abulafia, A. Tsameret, and K. Runge
Physica C 235-240, 2719 (1994).

Proceedings of the 38th Conference on Magnetism & Magnetic Materials, Minneapolis
 Diverging Time Scales for Onset of Irreversibility in High-Temperature Superconductors
Y. Wolfus, Y. Abulafia, L. Klein, V. A. Larkin, A. Shaulov and Y. Yeshurun
Physica C 224, 213 (1994).