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Mechanical magnetometry of Cobalt nanospheres deposited by focused electron beam at the tip of ultra-soft cantilevers

  • Hugo Lavenant
  • Vladimir Naletov
  • Olivier Klein
  • Grégoire de Loubens
  • Laura Casado
  • José María De Teresa

Abstract

Using focused-electron-beam-induced deposition, Cobalt magnetic nanospheres with diameter ranging between 100 nm and 300 nm are grown at the tip of ultra-soft cantilevers. By monitoring the mechanical resonance frequency of the cantilever as a function of the applied magnetic field, the hysteresis curve of these individual nanospheres are measured. This enables the evaluation of their saturation magnetization, found to be around 430 emu/cm3 independent of the size of the particle, and to infer that the magnetic vortex state is the equilibrium configuration of these nanospheres at remanence.

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Mechanical magnetometry of Cobalt nanospheres deposited by focused electron beam at the tip of ultra-soft cantilevers. (2014). Nanofabrication, 1(1), 65–73. https://eaapublishing.org/journals/index.php/nanofab/article/view/290

How to Cite

Mechanical magnetometry of Cobalt nanospheres deposited by focused electron beam at the tip of ultra-soft cantilevers. (2014). Nanofabrication, 1(1), 65–73. https://eaapublishing.org/journals/index.php/nanofab/article/view/290

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Copyright (c) 2014 Hugo Lavenant, Vladimir Naletov, Olivier Klein, Grégoire de Loubens, Laura Casado, José María De Teresa

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This work is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.

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