Bibliographic Details
| Title: |
Study of spin waves in ultrathin Fe/Cu(1 0 0) films by in situ Brillouin light scattering |
| Authors: |
Tacchi, S. silvia.tacchi@fisica.unipg.it, Albini, L.1, Gubbiotti, G.1, Madami, M.1, Carlotti, G.1 |
| Source: |
Surface Science. Jun2002, Vol. 507-510, p535. 6p. |
| Subjects: |
Magnetic films, Iron, Spin waves |
| Abstract: |
The structural and magnetic properties of ultrathin Fe films, grown by e-beam evaporation on a Cu(1 0 0) single crystal, have been studied. The low-energy electron diffraction patterns account for a pseudomorphic growth of fcc-Fe(1 0 0) up to a thickness of a few nanometers, followed by a Pitsch transformation, consisting of bcc-Fe(1 1 0) domains. The magnetic properties of the films were investigated in situ by the combined use of surface magneto-optical Kerr effect and Brillouin light scattering. A ferromagnetic behaviour was detected for film thickness below about 1 nm and above 3 nm. A careful determination of the magnetic parameters and of the anisotropy constants of the ferromagnetic films was achieved by studying the dependence of the spin-wave frequency on the angle of incidence of light, on the intensity of the applied magnetic field and on its direction on the surface plane. [Copyright &y& Elsevier] |
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| Database: |
Engineering Source |
