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Structural, magnetic and GMR properties of FeCo(Cu)/Cu magnetic multilayers electrodeposited at high cathode potentials of the magnetic layer

A. TEKGÜL1,* , T. ŞAHIN2, H. KÖÇKAR2, M. ALPER1

Affiliation

  1. Uludag University, Physics Department, Science and Literature Faculty, TR-16059, Bursa, Turkey
  2. Balıkesir University, Physics Department, Science and Literature Faculty, TR-10145, Balıkesir, Turkey

Abstract

Structural, magnetic and giant magnetoresistance properties of the electrochemically deposited FeCo(Cu)/Cu multilayers at the various cathode potentials for magnetic layers were investigated. The cathode potentials were 1.8, 2.0, 2.5 and 2.8 V for magnetic layers and 0.3 V for non-magnetic layers with respect to a saturated calomel electrode. The multilayers have a face-centred-cubic structure. The obtained composition was found to be close the nominal composition at 2.8 V cathode potential. The highest giant magnetoresistance value (16.50 %) was obtained in the multilayer produced at 1.8 V. The highest sensitivity was found in the multilayer produced at 1.8 and 2.8 V..

Keywords

Electrochemical deposition, High giant magnetoresistance, High cathode potential, Iron cobalt copper multilayer.

Citation

A. TEKGÜL, T. ŞAHIN, H. KÖÇKAR, M. ALPER, Structural, magnetic and GMR properties of FeCo(Cu)/Cu magnetic multilayers electrodeposited at high cathode potentials of the magnetic layer, Optoelectronics and Advanced Materials - Rapid Communications, 14, 3-4, March-April 2020, pp.189-195 (2020).

Submitted at: April 16, 2019

Accepted at: April 9, 2020