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High pressure electrical resistivity of composition controlled Nd-123 based bulk material
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
2004 (English)In: Modern physics letters B, ISSN 0217-9849, Vol. 18, no 1, 27-33 p.Article in journal (Refereed) Published
Abstract [en]

High pressure electrical resistivity studies were carried out on the high temperature superconductor Nd1-xCaxBa2Cu3O7-delta for various calcium concentrations x = 0.00, 0.03, 0.06 and 0.10 obtained by the solid-state reaction method. The electrical resistivity study was performed using the four-probe technique with a Bridgman opposed anvil device. All four samples show an initial drastic fall in electrical resistivity up to a pressure of around 3 GPa that remains almost constant up to 8 GPa.

Place, publisher, year, edition, pages
2004. Vol. 18, no 1, 27-33 p.
Keyword [en]
high-T-c superconductors, Nd-123, high-pressure, X-ray diffaction, electrical resistivity
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-45515DOI: 10.1142/S0217984904006639ISI: 000189321300004ScopusID: 2-s2.0-1542378365OAI: diva2:452646
QC 20111031Available from: 2011-10-31 Created: 2011-10-31 Last updated: 2011-10-31Bibliographically approved

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Rapp, Östen
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