Depending on in-plane size, the application of Josephson junctions
varied from the terahertz (THz) oscillator to the single electron
transistors. This book is focused on the study of submicron
Josephson junctions fabricated in high-temperature superconductors
(HTS). The unit cell of layered HTS show intrinsic Josephson
junctions (IJJs) phenomenon. The Cooper pair tunneling in the IJJs
can be affected by quantum phase fluctuations when the resistance
of a submicron stack is in the range of quantum resistance. To
observe this quantum effect, stacks of IJJs of various in-plane
area down to submicron range have fabricated in Bi-2212 single
crystal whiskers using three-dimensional focused ion beam etching
technique. Submicron stacks show a strong suppression in critical
current density. The possible mechanisms for this suppression are
discussed and the data analysis points to the quantum phase
fluctuations as the most likely mechanism of this effect.
Furthermore submicron stacks of a-axis oriented multi layered thin
film of YBa2Cu3O7 and PrBa2Cu3O7 (Y123/Pr123) Josephson junctions
are studied in presence of external microwave irradiation.
General
Imprint: |
Lap Lambert Academic Publishing
|
Country of origin: |
United States |
Release date: |
September 2012 |
First published: |
September 2012 |
Authors: |
Shrikant Saini
• Sang-Jae Kim
|
Dimensions: |
229 x 152 x 6mm (L x W x T) |
Format: |
Paperback - Trade
|
Pages: |
92 |
ISBN-13: |
978-3-659-22779-0 |
Categories: |
Books >
Science & Mathematics >
Physics >
General
|
LSN: |
3-659-22779-X |
Barcode: |
9783659227790 |
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