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  Anomalies in Transport and Superconducting Properties of Ba1-xKxFe2As2 Single Crystals

Zverev, V. N., Korobenko, A. V., Sun, G. L. L., Sun, D. L. L., Lin, C. T., & Boris, A. V. (2011). Anomalies in Transport and Superconducting Properties of Ba1-xKxFe2As2 Single Crystals. Japanese Journal of Applied Physics, 50(5 Sp. Iss. SI): 05FD02.

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Zverev, V. N., Autor
Korobenko, A. V., Autor
Sun, G. L. L., Autor
Sun, D. L. L., Autor
Lin, C. T.1, Autor           
Boris, A. V.2, Autor           
Affiliations:
1Scientific Facility Crystal Growth (Masahiko Isobe), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370496              
2Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370480              

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 Zusammenfassung: The transport and superconducting properties of Ba(1-x)K(x)Fe(2)As(2) single crystals were studied. Both in-plane and out-of-plane resistivity were measured by Montgomery method. The in-plain resistivity temperature dependence was found to be nonlinear with the tendency to saturate at high temperature. We have found that the resistivity anisotropy is almost independent of temperature and lies in the range 10-40 for the studied samples. We explain this result by the extrinsic nature of high out-of-plane resistivity, which may be due to the presence of flat defects along Fe-As layers. This statement is supported by comparatively small effective mass anisotropy, obtained from the upper critical field measurements. (C) 2011 The Japan Society of Applied Physics

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Sprache(n): eng - English
 Datum: 2011
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 581247
ISI: 000290789000034
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Titel: Japanese Journal of Applied Physics
  Alternativer Titel : Jpn. J. Appl. Phys.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: TOKYO : JAPAN SOC APPLIED PHYSICS
Seiten: Part 3 Band / Heft: 50 (5 Sp. Iss. SI) Artikelnummer: 05FD02 Start- / Endseite: - Identifikator: ISSN: 0021-4922