Angular Dependence of Universal Conductance Fluctuations in Noble-Metal Nanowires

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1997
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Löhneysen, Hilbert von
Mirlin, Alexander D.
Hein, Herbert
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Physical Review Letters. 1997, 78(17), pp. 3362-3365. Available under: doi: 10.1103/PhysRevLett.78.3362
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We investigate fluctuations in the magnetoconductance (measured at T 50 mK) of noble-metal nanowires in a mesoscopic two-lead configuration, with lengths 500 and 1000 nm and widths w between 45 and 360 nm. We determine the dependence of the correlation field B_c on the angle ? between the direction of the magnetic field and the long axis of the wires. ? is changed at low T continuously from 90° (usual geometry) to 0°. We present a calculation taking into account the 3D diffusive motion of the conduction electrons describing the angular dependence of B_c. We compare this B_c (?) dependence with conductance fluctuations observed while sweeping ? at constant magnetic field.

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ISO 690SCHEER, Elke, Hilbert von LÖHNEYSEN, Alexander D. MIRLIN, Peter WÖLFLE, Herbert HEIN, 1997. Angular Dependence of Universal Conductance Fluctuations in Noble-Metal Nanowires. In: Physical Review Letters. 1997, 78(17), pp. 3362-3365. Available under: doi: 10.1103/PhysRevLett.78.3362
BibTex
@article{Scheer1997Angul-5334,
  year={1997},
  doi={10.1103/PhysRevLett.78.3362},
  title={Angular Dependence of Universal Conductance Fluctuations in Noble-Metal Nanowires},
  number={17},
  volume={78},
  journal={Physical Review Letters},
  pages={3362--3365},
  author={Scheer, Elke and Löhneysen, Hilbert von and Mirlin, Alexander D. and Wölfle, Peter and Hein, Herbert}
}
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    <dcterms:abstract xml:lang="deu">We investigate fluctuations in the magnetoconductance (measured at T   50 mK) of noble-metal nanowires in a mesoscopic two-lead configuration, with lengths 500 and 1000 nm and widths w between 45 and 360 nm. We determine the dependence of the correlation field B_c on the angle ? between the direction of the magnetic field and the long axis of the wires. ? is changed at low T continuously from 90° (usual geometry) to 0°. We present a calculation taking into account the 3D diffusive motion of the conduction electrons describing the angular dependence of B_c. We compare this B_c (?) dependence with conductance fluctuations observed while sweeping ? at constant magnetic field.</dcterms:abstract>
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