World Library  

QR link for Journal of Applied Physics : Fluctuation-induced conductivity of polycrystalline Ni doped Cu0.5Tl0.5Ba2Ca2Cu3.yNiyO10.d (y = 0, 0.5, 1.0, 1.5) superconduct
Add to Book Shelf
Flag as Inappropriate
Email this Book

Journal of Applied Physics : Fluctuation-induced conductivity of polycrystalline Ni doped Cu0.5Tl0.5Ba2Ca2Cu3.yNiyO10.d (y = 0, 0.5, 1.0, 1.5) superconduct

By Najmul Hassan and Nawazish A. Khan

Click here to view

Book Id: WPLBN0002169403
Format Type: PDF eBook :
File Size: Serial Publication
Reproduction Date: 17 November 2008

Title: Journal of Applied Physics : Fluctuation-induced conductivity of polycrystalline Ni doped Cu0.5Tl0.5Ba2Ca2Cu3.yNiyO10.d (y = 0, 0.5, 1.0, 1.5) superconduct  
Author: Najmul Hassan and Nawazish A. Khan
Volume: Issue : November 2008
Language: English
Subject: Science, Physics, Natural Science
Collections: Periodicals: Journal and Magazine Collection, Journal of Applied Physics Collection
Historic
Publication Date:
Publisher: American Institute of Physics

Citation

APA MLA Chicago

And Nawazish A. Kha, N. H. (n.d.). Journal of Applied Physics : Fluctuation-induced conductivity of polycrystalline Ni doped Cu0.5Tl0.5Ba2Ca2Cu3.yNiyO10.d (y = 0, 0.5, 1.0, 1.5) superconduct. Retrieved from http://community.ebooklibrary.org/


Description
Description: The fluctuation-induced conductivity of Ni free and Ni doped Cu0.5Tl0.5Ba2Ca2Cu3−yNiyO10−δ (y = 0, 0.5, 1.0, 1.5) samples is investigated for comparison of dimensionality of fluctuations above the mean-field critical temperature. The temperature dependence of paraconductivity can be described by a power law following Aslamazov–Larkin (AL) type equations for these polycrystalline superconductors. It is observed from these studies that at higher temperatures, the fluctuations in the order parameter of the carriers follow two-dimensional (2D) AL behavior, whereas at lower temperatures (closer to transition temperature) their behavior is three-dimensional (3D) AL. From the analysis of our results, we have also evaluated the exponents of dimensionality, the coherence lengths, and the crossover temperatures. The crossover temperature from 2D to 3D have substantially been shifted to lower temperatures with increasing Ni doping, which is most likely related to the scattering of the carriers by remnant spins of Ni atoms. These scattering promote a reduction in the coherence length of the carriers along c-axis. These studies have also shown that the carrier concentration in the conducting CuO2 planes is the most essential; the role of antiferromagnetism in the mechanism of superconductivity is secondary.

 

Click To View

Additional Books


  • Review of Scientific Instruments : Devel... Volume Issue : December 2008 (by )
  • Biblioteca Hispanica : Programme Lessons... (by )
  • Physics of Fluids : An analysis of the f... Volume Issue : September 2008 (by )
  • The Journal of Chemical Physics : First-... Volume Issue : November 2008 (by )
  • The Journal of Chemical Physics : Bond d... Volume Issue : November 2008 (by )
  • Physics of Fluids : Stability of a pair ... Volume Issue : September 2008 (by )
  • Chaos : Momentum distributions after dou... Volume Issue : December 2008 (by )
  • Applied Physics Letters : Vertically ali... Volume Issue : December 2008 (by )
  • Journal of Mathematical Physics : Symmet... Volume Issue : October 2008 (by )
  • Journal of Mathematical Physics : Approx... Volume Issue : October 2008 (by )
  • Review of Scientific Instruments : Impro... Volume Issue : December 2008 (by )
  • The Journal of Chemical Physics : Monte ... Volume Issue : November 2008 (by )
Scroll Left
Scroll Right

 



Copyright © World Library Foundation. All rights reserved. eBooks from World eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.