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Strong magnetic scattering from TiOx adhesion layers

Appl. Phys. Lett. 89, 262104 (2006); doi:10.1063/1.2423327

Published 26 December 2006

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A. Trionfi, S. Lee, and D. Natelson
Department of Physics and Astronomy, Rice University, 6100 Main St., Houston, Texas 77005
Electronic phase coherence in normal metals is incredibly sensitive to magnetic scattering. As a result, the weak localization magnetoresistance and time-dependent universal conductance fluctuations are powerful probes of magnetic impurities. The authors report measurements of these effects in Au and Ag nanowires with a 1.5  nm thick Ti adhesion layer underneath the deposited metal. The results indicate an anomalously large magnetic impurity concentration due to the Ti layer. The results also suggest that this magnetic scattering and its evolution are related to the oxidation state of the Ti. ©2006 American Institute of Physics
History: Received 27 September 2006; accepted 20 November 2006; published 26 December 2006
Permalink: http://link.aip.org/link/?APPLAB/89/262104/1
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KEYWORDS and PACS

Keywords
PACS
  • 72.15.Gd
    Galvanomagnetic and other magnetotransport effects (metals/alloys)
  • 75.30.Hx
    Magnetic impurity interactions
  • YEAR: 2006

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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