| Author(s): |
Hans T. Nembach; Hans Bauer; Justin M. Shaw; Michael Schneider; Thomas J. Silva; |
| Title: |
Microwave assisted magnetization reversal in single domain nanoelements |
| Published: |
July 06, 2009 |
| Abstract: |
We studied the microwave assisted magnetic reversal in 65×71 nm2 elliptical Ni80Fe20 nanomagnets with a thickness of 10 nm. Hysteresis curves were measured by magneto-optical Kerr effect for a range of microwave frequencies and amplitudes. We observe a strong reduction in the coercive field when the microwave frequency coincides with the experimentally determined ferromagnetic resonance frequency in the switching region. This process occurs despite a small microwave amplitude relative to the coercive field. The experimental results were compared to numerical simulations and show good agreement. |
| Citation: |
Applied Physics Letters |
| Volume: |
95 |
| Pages: |
pp. 1 - 3 |
| Keywords: |
nanomagnetics;magnetic recording;microwave assisted magnetic reversal;magnetic switching;energy assisted magnetic reversal |
| Research Areas: |
Nanomagnetics |
| PDF version: |
 Click here to retrieve PDF version of paper (199KB) |
