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Quantum transport in ferromagnetic permalloy nanostructures

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

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Abstract

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
Date:2008
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Claudia Rahm
Deposited On:25 May 2009 13:19
Last Modified:13 Mar 2014 12:07
Item ID:7843
Owner Only: item control page
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