Issue
J. Phys. Colloques
Volume 49, Number C8, Décembre 1988
Proceedings of the International Conference on Magnetism
Page(s) C8-1993 - C8-1994
DOI https://doi.org/10.1051/jphyscol:19888904
Proceedings of the International Conference on Magnetism

J. Phys. Colloques 49 (1988) C8-1993-C8-1994

DOI: 10.1051/jphyscol:19888904

THE FIELD DEPENDENCE OF THE DOMAIN PERIOD IN CoCr FILMS

J. Kaczér1, J.  Simsová1, R. Gemperle1, L. Murtinová1 et J. C. Lodder2

1  Institute of Physics, Czechoslovak Academy of Sciences, Na Slovance 2, CS-180 40 Praha 8, Czechoslovakia
2  University of Twente, P.O.B. 217, NL-7500 AE Enschede, The Netherlands


Abstract
The dependence of the submicron domain period of CoCr films in ascending and descending fields (dc : 8-320kA/m ; superposed ac : 0-55 kA/m) normal to the surface was investigated using the colloid-SEM method. Low coercivity samples (Hc/Hk ~ 0.02) were measured. Comparison with calculations furnished fair agreement in contradistinction to samples havig Hc/Hk ~ 0.05. The exchange constant A was deterrnined from the thickness dependence of the domain period.