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Quantum transport in ferromagnetic permalloy nanostructures

Neumaier, Daniel, Vogl, Anton, Eroms, Jonathan and Weiss, Dieter (2008) Quantum transport in ferromagnetic permalloy nanostructures. Physical Review B 78, p. 174424.

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Date of publication of this fulltext: 05 Aug 2009 13:57

Other URL: http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRBMDO000078000017174424000001&idtype=cvips&gifs=yes, http://prb.aps.org/


We studied phase-coherent phenomena in mesoscopic permalloy (Ni81Fe19) samples by exploring low-temperature transport. Both differential conductance as a function of bias voltage and magnetoconductance of individual wires display conductance fluctuations. Analysis of these fluctuations yields a phase coherence length of ${\approx}$250 nm at 25 mK as well as a 1/sqrt(T) temperature dependence. To ...


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Item type:Article
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:7843
Owner only: item control page


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