Observation of magnetocapacitance in ferromagnetic nanowires
Kulothungasagaran Narayanapillai, Mahdi Jamali, and Hyunsoo Yang
TL;DR
This paper demonstrates that magnetocapacitance variations in ferromagnetic nanowires can be used to detect magnetic reversal, providing a new tool for magnetic domain wall studies based on magnetoresistance effects.
Contribution
It introduces a magnetocapacitance detection method for magnetic reversal in nanowires, linking capacitance changes to magnetoresistance phenomena.
Findings
Switching fields in capacitance match magnetoresistance measurements
Magnetocapacitance is attributed to magnetoresistance effects
Technique is useful for magnetic domain wall detection
Abstract
The authors have investigated magnetic domain wall induced capacitance variation as a tool for the detection of magnetic reversal in magnetic nanowires for in-plane (NiFe) and out-of-plane (Co/Pd) magnetization configurations. The switching fields in the capacitance measurements match with that of the magnetoresistance measurements in the opposite sense. The origin of the magnetocapacitance has been attributed to magnetoresistance. This magnetocapacitance detection technique can be useful for magnetic domain wall studies.
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