Magnetic and Transport properties of Co-Cu Microwires

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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

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VOLUME 7 , ISSUE 5 (December 2014) > List of articles

Special issue ICST 2014

Magnetic and Transport properties of Co-Cu Microwires

Valentina Zhukova / J. J. del Val / M. Ipatov / M. Ilyn / A. Granovsky / Arkadi Zhukov

Keywords : magnetic microwires; GMR effect; internal stresses; Kondo effect

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 7, Issue 5, Pages 1-6, DOI: https://doi.org/10.21307/ijssis-2019-024

License : (CC BY-NC-ND 4.0)

Published Online: 15-February-2020

ARTICLE

ABSTRACT

We report on the magnetic, transport and structural properties of Cox-Cu100-x (5≤x≤40) glass-coated microwires. For x=5 we observed the resistivity minimum at 40 K associated with the Kondo effect.  For x ≥ 10 we observed considerable magnetoresistance effect. Temperature dependence of susceptibility show considerable difference for x>10 and x≤ 10 attributed to the presence of small Co grains embedded in the Cu matrix for x≥ 10. Using X -ray diffraction we found, that the structure of Cox-Cu100-x microwires x ≥ 10 is granular consisting of two phases: fcc Cu appearing in all the samples and fcc α-Co presented only in microwires with higher Co content.

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