Magnetization reversal in individual Py and CoFeB nanotubes locally probed via anisotropic magnetoresistance and anomalous Nernst effect

Using anisotropic magnetoresistance in a multi-probe configuration and local heating with a scanning laser, we investigate the magnetization reversal of individual permalloy (Py) and CoFeB nanotubes with spatial resolution. Nanocrystalline Py and amorphous CoFeB nanotubes are found to reverse via domain wall movement and chirality switching, respectively. Our experiments provide an understanding of the role of microstructure and magnetic anisotropy in the switching of ferromagnetic nanotubes at room temperature.


Published in:
Applied Physics Letters, 108, 13, 132408
Year:
2016
Publisher:
Melville, American Institute of Physics
ISSN:
1077-3118
Keywords:
Laboratories:




 Record created 2016-06-14, last modified 2018-03-18


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