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Elemental fractionation and magnetic properties of melt-based Y1Ba2Cu3Oz containing excess Tb or PtScanning electron microscopy of certain partially melted Y-Ba-Cu-O materials containing minority metal oxide species (Y:Tb:Ba:Cu = 1:0.1:2:3 or Y:Ba:Cu with Pt impurities), accompanied by both EDX and EMP analysis, indicates that the minority species (Tb or Pt) is quantitatively concentrated in a relatively small number of 123-type grains. High magnetic susceptibility and magnetization observed for these materials indicate that such elemental distribution is not detrimental to superconducting behavior.
Document ID
19920051286
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0025-5408(90)90010-Y
Authors
Hojaji, Hamid (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Barkatt, Aaron (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hu, Shouxiang (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Michael, Karen A. (Catholic University of America, Washington, DC, United States)
Thorpe, Arthur N. (Howard University Washington, DC, United States)
Talmy, Inna G. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Haught, Debbie A. (U.S. Navy, Naval Surface Warfare Center Silver Spring, MD, United States)
Alterescu, Sidney (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1990
Publication Information
Publication: Materials Research Bulletin
Volume: 25
Issue: 8 19
ISSN: 0025-5408
Subject Category
Solid-State Physics
Accession Number
92A33910
Funding Number(s)
CONTRACT_GRANT: NAG5-1017
Distribution Limits
Public
Copyright
Other

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