Magnetic Anisotropy of Co Films Annealed by Laser Pulses |
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| Journal | Solid State Phenomena (Volume 140) |
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| Volume | Perspectives of nanoscience and nanotechnology |
| Edited by | Witold Łojkowski and John R. Blizzard |
| Pages | 69-74 |
| DOI | 10.4028/www.scientific.net/SSP.140.69 |
| Citation | J. Kisielewski et al., 2008, Solid State Phenomena, 140, 69 |
| Online since | October, 2008 |
| Authors | J. Kisielewski, Kamil Postava, I. Sveklo, A. Nedzved, P. Trzciński, A. Maziewski, B. Szymański, M. Urbaniak, Feliks Stobiecki |
| Keywords | Atomic Force Microscope (AFM), Laser Annealing, Magnetic Anisotropy, MFM, MOKE, Perpendicular Anisotropy, Ultrathin Film |
| Abstract | The magnetic properties of an ultrathin cobalt film were modified by a focused femtosecond pulsed laser beam. The Co wedge, with a thickness ranging from 0 to 2 nm, sandwiched by Au films was prepared using ultra-high vacuum magnetron sputtering on a mica substrate. The modifications of the laser induced magnetic anisotropy were investigated using magneto-optic Kerr microscopy and MFM/AFM techniques. The laser induces: (i) local reorientation of magnetization from an in-plane to a perpendicular state and (ii) an increase of the coercivity field. A corresponding increase of the perpendicular magnetic anisotropy is discussed considering an improvement of the Co/Au interfaces. |
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