Superconducting Properties and Possible Vortex Phase Diagram in a Thick Amorphous MgxB1-xFilm

2003 ◽  
Vol 17 (18n20) ◽  
pp. 3688-3693 ◽  
Author(s):  
S. Okuma ◽  
S. Togo ◽  
K. Amemori
Keyword(s):  
Phase Diagram ◽  
Glass Transition ◽  
Low Temperatures ◽  
Superconducting Properties ◽  
Vortex Phase Diagram ◽  
Vortex Phase ◽  
Current Voltage ◽  
Large Vortex ◽  
Field Temperature ◽  
Current Voltage Characteristics

We report on the superconducting properties in a thick amorphous Mg x B 1-x film, which was prepared by coevaporation of pure Mg and B. Measurements of the current-voltage characteristics and the AC complex resistivity in magnetic fields indicate the presence of the vortex-glass transition. Based on the data, we construct the possible phase diagram in the field-temperature plane. We find that there is the large vortex-liquid phase, which persists down to low temperatures.

Vortex phase diagram in heavy ion irradiated untwinned YBa2Cu3Oy single crystals

2007 ◽  
Vol 460-462 ◽  
pp. 1204-1205 ◽  
Author(s):  
Norio Kobayashi ◽  
Terukazu Nishizaki ◽  
Kuniaki Kasuga ◽  
Satoru Okayasu
Keyword(s):  
Phase Diagram ◽  
Single Crystals ◽  
Heavy Ion ◽  
Vortex Phase Diagram ◽  
Vortex Phase

Vortex Phase Diagram in Bi2Sr2CaCu2O y , Probed by ac-Susceptibility Measurements

1999 ◽  
pp. 621-624
Author(s):  
Takao Sasagawa ◽  
Toshiya Fujita ◽  
Hisashi Kobayashi ◽  
Jun-Ichi Shimoyama ◽  
Koichi Kitazawa ◽  
...  
Keyword(s):  
Phase Diagram ◽  
Ac Susceptibility ◽  
Vortex Phase Diagram ◽  
Vortex Phase

Resistivity measurements and the vortex phase diagram of Bi2Sr2CaCu2O y

1996 ◽  
Vol 105 (5-6) ◽  
pp. 1189-1194 ◽  
Author(s):  
H. Ikuta ◽  
S. Watauchi ◽  
J. Shimoyama ◽  
K. Kitazawa ◽  
K. Kishio
Keyword(s):  
Phase Diagram ◽  
Resistivity Measurements ◽  
Vortex Phase Diagram ◽  
Vortex Phase

Thermodynamic study of the melting transition in the vortex phase diagram of high purity YBa2Cu3O7−δ single crystals

2000 ◽  
Vol 341-348 ◽  
pp. 1329-1330 ◽  
Author(s):  
K. Deligiannis ◽  
M. Charalambous ◽  
J. Chaussy ◽  
R. Liang ◽  
D. Bonn ◽  
...  
Keyword(s):  
Phase Diagram ◽  
Single Crystals ◽  
High Purity ◽  
Thermodynamic Study ◽  
Melting Transition ◽  
Vortex Phase Diagram ◽  
Vortex Phase

Vortex slush regime in the Josephson vortex phase diagram of 60-KYBa2Cu3O7−δsingle crystals

2003 ◽  
Vol 68 (22) ◽  
Author(s):  
Tomoyuki Naito ◽  
Hideo Iwasaki ◽  
Terukazu Nishizaki ◽  
Seiya Haraguchi ◽  
Yuuya Kawabata ◽  
...  
Keyword(s):  
Phase Diagram ◽  
Josephson Vortex ◽  
Vortex Phase Diagram ◽  
Vortex Phase
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