Abstract
Single-crystal thin films of nickel having the (100) and the (111) orientations were epitaxially grown by deposition in vaccum onto heated rock salt and zincblende. By electron diffraction, these films were examined to be 100 A to 500 A in size of crystallites without appreciable strain.
By the experiment of ferromagnetic resonance absorption at room temperature, three magnetic quantities were measured at the same time: the saturation magnetization, the crystalline anisotropy and the Landé splitting factor. The first quantity was found to be almost independent of the thickness of films (100 A to 1000 A) and its magnitude was 350 or 400 in gauss, respectively for the (111) or the (100) orientation. This difference may be ascribed to the stress in films. The second one varied in the range between −2×104 and −5×104 erg/cm3 and the third was 2.2 in average.
The crystalline anisotropy causes the shift of resonance line as the film is rotated in its plane. Besides, it was found that the more perfect orientation a film has, the narrower is the resonance line.
