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Pr Doped YBCO Films Produced by Pulsed Laser Deposition

Published online by Cambridge University Press:  01 February 2011

B. Craig Harrison ,
Joseph W. Kell ,
Paul N. Barnes ,
Timothy J. Haugan ,
Chakrapani V. Varanasi ,
Manisha V. Rane ,
Frank Ramos  and
Iman Maartense
B. Craig Harrison
Affiliation:
[email protected], Air Force Research Laboratory, Propulsion Directorate, 2645 5th st., bldg. 450, WPAFB, OH, 45433, United States
Joseph W. Kell
Affiliation:
[email protected], Air Force Research Laboratory, 2645 5th st., bldg. 450, WPAFB, OH, 45433, United States
Paul N. Barnes
Affiliation:
[email protected], Air Force Research Laboratory, 2645 5th st., bldg. 450, WPAFB, OH, 45433, United States
Timothy J. Haugan
Affiliation:
[email protected], Air Force Research Laboratory, 2645 5th st., bldg. 450, WPAFB, OH, 45433, United States
Chakrapani V. Varanasi
Affiliation:
[email protected], Air Force Research Laboratory, 2645 5th st., bldg. 450, WPAFB, OH, 45433, United States
Manisha V. Rane
Affiliation:
[email protected], Albany State University, 251 Fuller Road, Albany, NY, 12203, United States
Frank Ramos
Affiliation:
[email protected], Albany State University, 251 Fuller Road, Albany, NY, 12203, United States
Iman Maartense
Affiliation:
[email protected], Air Force Research Laboratory, bldg. 652, WPAFB, OH, 45433, United States
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Abstract

Pr doped YBa2Cu3O7-d targets with composition Y1-xPrxBa2Cu3O7-d where × = 0.0001, 0.001, 0.01, and 0.1 were prepared from oxide powders and were used to deposit thin films by pulsed laser deposition using conditions previously optimized for pure YBa2Cu3O7-d. The Pr dopant was found to be dispersed throughout the film by secondary ion mass spectrometry and found to have an increased density of nanoparticles on the surface. The pinning force of the doped samples was found to decrease with increasing concentration of Pr; however, at 0.01% concentration the doped film displayed a significant enhancement over pure YBa2Cu3O7-d for nearly the full range of 0 – 9 T.

Keywords

superconductingdopantPr
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 946: Symposium HH – Recent Advances in Superconductivity , 2006 , 0946-HH09-09
Copyright
Copyright © Materials Research Society 2006

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