The relationship between nano-scale Sm211/Sm123 interfaces and superconductivity of Sm-Ba-Cu-O materials

Shih Yun Chen, In Gann Chen, Chuan Pu Liu, Ping Chi Hsieh, Mow Kuen Wu

研究成果: Conference article

6 引文 (Scopus)

摘要

The distribution of dislocations at the interface between the Sm2BaCuO5 particles (Sm211 -particles) and SmBa2Cu3O7 (Sm123) matrix with different 211-particle size from μm to nm was measured. It is found that the density of dislocations varies with the different curvatures of the 211-particles. There is a higher density of dislocations around small-sized 211-particles, especially those with sharp corners, which act as pinning centers and thus enhance the JC(H, T) values of the superconductors. A phenomenological model has been proposed to describe the relationship between the curvature of 211-particles, the dislocation density around 211/123 interface, as well as the JC(H, T).

原文English
頁(從 - 到)3180-3183
頁數4
期刊IEEE Transactions on Applied Superconductivity
13
發行號2
DOIs
出版狀態Published - 2003 七月 1
事件2002 Applied Superconductivity Conference - Houston, TX, United States
持續時間: 2002 八月 42002 八月 9

指紋

Superconductivity
Superconducting materials
superconductivity
Particle size
curvature
matrices

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

引用此文

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abstract = "The distribution of dislocations at the interface between the Sm2BaCuO5 particles (Sm211 -particles) and SmBa2Cu3O7 (Sm123) matrix with different 211-particle size from μm to nm was measured. It is found that the density of dislocations varies with the different curvatures of the 211-particles. There is a higher density of dislocations around small-sized 211-particles, especially those with sharp corners, which act as pinning centers and thus enhance the JC(H, T) values of the superconductors. A phenomenological model has been proposed to describe the relationship between the curvature of 211-particles, the dislocation density around 211/123 interface, as well as the JC(H, T).",
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The relationship between nano-scale Sm211/Sm123 interfaces and superconductivity of Sm-Ba-Cu-O materials. / Chen, Shih Yun; Chen, In Gann; Liu, Chuan Pu; Hsieh, Ping Chi; Wu, Mow Kuen.

於: IEEE Transactions on Applied Superconductivity, 卷 13, 編號 2, 01.07.2003, p. 3180-3183.

研究成果: Conference article

TY - JOUR

T1 - The relationship between nano-scale Sm211/Sm123 interfaces and superconductivity of Sm-Ba-Cu-O materials

AU - Chen, Shih Yun

AU - Chen, In Gann

AU - Liu, Chuan Pu

AU - Hsieh, Ping Chi

AU - Wu, Mow Kuen

PY - 2003/7/1

Y1 - 2003/7/1

N2 - The distribution of dislocations at the interface between the Sm2BaCuO5 particles (Sm211 -particles) and SmBa2Cu3O7 (Sm123) matrix with different 211-particle size from μm to nm was measured. It is found that the density of dislocations varies with the different curvatures of the 211-particles. There is a higher density of dislocations around small-sized 211-particles, especially those with sharp corners, which act as pinning centers and thus enhance the JC(H, T) values of the superconductors. A phenomenological model has been proposed to describe the relationship between the curvature of 211-particles, the dislocation density around 211/123 interface, as well as the JC(H, T).

AB - The distribution of dislocations at the interface between the Sm2BaCuO5 particles (Sm211 -particles) and SmBa2Cu3O7 (Sm123) matrix with different 211-particle size from μm to nm was measured. It is found that the density of dislocations varies with the different curvatures of the 211-particles. There is a higher density of dislocations around small-sized 211-particles, especially those with sharp corners, which act as pinning centers and thus enhance the JC(H, T) values of the superconductors. A phenomenological model has been proposed to describe the relationship between the curvature of 211-particles, the dislocation density around 211/123 interface, as well as the JC(H, T).

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