Anisotropic flux pinning energy in FeSe x Te 1-x single crystals

2016 ◽  
Vol 528 ◽  
pp. 39-47 ◽  
Author(s):  
Zhaofeng Wu ◽  
Jian Tao ◽  
Xibin Xu ◽  
Li Qiu ◽  
Shaoguang Yang ◽  
...  
Keyword(s):  
Single Crystals ◽  
Flux Pinning ◽  
Pinning Energy ◽  
Flux Pinning Energy

Increase in the flux‐pinning energy of YBa2Cu3O7−δby shock compaction

1990 ◽  
Vol 56 (20) ◽  
pp. 2042-2044 ◽  
Author(s):  
S. T. Weir ◽  
W. J. Nellis ◽  
M. J. Kramer ◽  
C. L. Seaman ◽  
E. A. Early ◽  
...  
Keyword(s):  
Flux Pinning ◽  
Pinning Energy ◽  
Shock Compaction ◽  
Flux Pinning Energy

scholarly journals Effect of Ce Substitution on the Magnetoresistivity and Flux Pinning Energy of the Bi2Sr2Ca1−x Ce x Cu2O8+δ Superconductors

2013 ◽  
Vol 174 (3-4) ◽  
pp. 136-147 ◽  
Author(s):  
B. Özçelik ◽  
C. Kaya ◽  
H. Gündoğmuş ◽  
A. Sotelo ◽  
M. A. Madre
Keyword(s):  
Flux Pinning ◽  
Pinning Energy ◽  
Ce Substitution ◽  
Flux Pinning Energy

scholarly journals Effective Magnetic Field Dependence of the Flux Pinning Energy in FeSe0.5Te0.5 Superconductor

Materials ◽  
2021 ◽  
Vol 14 (18) ◽  
pp. 5289
Author(s):  
Masood Rauf Khan ◽  
Antonio Leo ◽  
Angela Nigro ◽  
Armando Galluzzi ◽  
Massimiliano Polichetti ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Field Dependence ◽  
Applied Field ◽  
Flux Pinning ◽  
Magnetic Field Dependence ◽  
Effective Magnetic Field ◽  
Layered Superconductor ◽  
Extended Defects ◽  
Pinning Energy ◽  
Flux Pinning Energy

The role of a layered structure in superconducting pinning properties is still at a debate. The effects of the vortex shape, which can assume for example a staircase form, could influence the interplay with extrinsic pinning coming from the specific defects of the material, thus inducing an effective magnetic field dependence. To enlighten this role, we analysed the angular dependence of flux pinning energy U(H,θ) as a function of magnetic field in FeSe0.5Te0.5 thin film by considering the field components along the ab-plane of the crystal structure and the c-axis direction. U(H,θ) has been evaluated from magneto-resistivity measurements acquired at different orientations between the applied field up to 16 T and FeSe0.5Te0.5 thin films grown on a CaF2 substrate. We observed that the U(H,θ) shows an anisotropic trend as a function of both the intensity and the direction of the applied field. Such a behaviour can be correlated to the presence of extended defects elongated in the ab-planes, thus mimicking a layered superconductor, as we observed in the microstructure of the compound. The comparison of FeSe0.5Te0.5 with other superconducting materials provides a more general understanding on the flux pinning energy in layered superconductors.

Flux pinning energy of YBa1.9Na0.1Cu3O7−δ

2003 ◽  
Vol 386 ◽  
pp. 10-13
Author(s):  
X. Leng ◽  
L. Qiu ◽  
Z.H. Wang ◽  
H. Luo ◽  
Y. Liu ◽  
...  
Keyword(s):  
Flux Pinning ◽  
Pinning Energy ◽  
Flux Pinning Energy

THE EFFECT OF NEUTRON IRRADIATION ON FLUX PINNING IN MELT-TEXTURED GROWTH YBa2Cu3O7 SUPERCONDUCTOR

1991 ◽  
Vol 05 (11) ◽  
pp. 763-770
Author(s):  
T. CHEN ◽  
H. ZHANG ◽  
Y.X. SUN ◽  
S.C. LIANG ◽  
H.T. REN ◽  
...  
Keyword(s):  
Liquid Nitrogen ◽  
Neutron Irradiation ◽  
Flux Pinning ◽  
Magnetic Measurement ◽  
Liquid Nitrogen Temperature ◽  
Fast Neutrons ◽  
Pinning Energy ◽  
Flux Pinning Energy ◽  
Strong Pinning ◽  
Yba2cu3o7 Superconductor

The distribution of flux pinning energy in melt-textured growth (MTG) YBa 2 Cu 3 O 7 superconductor irradiated by fast neutrons was determined by rotating-sample magnetic measurement at liquid nitrogen temperature. It was found that neutron irradiation strengthened flux pinning by increasing the most probable pinning energy along c-axis and in ab plane by 47% and 82% respectively. Anisotropy of flux pinning was also observed. New strong pinning sites might be created by neutron irradiation.

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