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Issue 42, 2017
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Linear magnetoresistance in gold foams

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Abstract

The electrical transport properties of metal foams may not only be of fundamental research interest but can also lead to wide application in sensors. We report the magnetotransport properties of gold foams prepared by a chemical template–dealloying method. The temperature dependence of the resistivity of gold foams represents a metallic behavior with zero magnetic field. With increasing magnetic field, a crossover from quadratic to linear dependence of the magnetoresistance in gold foams is observed in the studied temperature range (2–50 K). The physical mechanisms resulting in this observation may be ascribed to the classical linear magnetoresistance theory based on the spatial mobility fluctuations or current distribution effect. However, further evidence is required to determine the exact mechanism.

Graphical abstract: Linear magnetoresistance in gold foams

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Publication details

The article was received on 07 Apr 2017, accepted on 11 May 2017 and first published on 17 May 2017


Article type: Paper
DOI: 10.1039/C7RA03979D
RSC Adv., 2017,7, 26434-26439
  • Open access: Creative Commons BY license
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    Linear magnetoresistance in gold foams

    Z. Li, J. Luo, X. Tan, Q. Fang, Y. Zeng, L. Meng, M. Zhou, W. Wu and J. Zhang, RSC Adv., 2017, 7, 26434
    DOI: 10.1039/C7RA03979D

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