Magnetization reversal in an individual 25 nm iron-filled carbon nanotube
P Banerjee, F Wolny, DV Pelekhov, MR Herman… - Applied Physics …, 2010 - pubs.aip.org
The magnetization reversal and switching behavior of an individual Fe-filled carbon
nanotube has been measured using vibrating cantilever magnetometry. We report
measurements of the magnetic field at which the 25 nanometer diameter iron core inside the
nanotube reverses. The fields at which reversal occurs, characterized by an exceptionally
narrow distribution ( σ H≤ 1 G at 6.3 K), are determined by thermally activated excitation
over a field dependent barrier. The high precision achievable by virtue of measuring …
nanotube has been measured using vibrating cantilever magnetometry. We report
measurements of the magnetic field at which the 25 nanometer diameter iron core inside the
nanotube reverses. The fields at which reversal occurs, characterized by an exceptionally
narrow distribution ( σ H≤ 1 G at 6.3 K), are determined by thermally activated excitation
over a field dependent barrier. The high precision achievable by virtue of measuring …
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