Issue
J. Phys. Colloques
Volume 49, Number C8, Décembre 1988
Proceedings of the International Conference on Magnetism
Page(s) C8-529 - C2-530
DOI https://doi.org/10.1051/jphyscol:19888240
Proceedings of the International Conference on Magnetism

J. Phys. Colloques 49 (1988) C8-529-C2-530

DOI: 10.1051/jphyscol:19888240

MESOSCOPIC TUNNELING IN DISORDERED MAGNETIC SYSTEMS : A COMPARISON WITH MACROSCOPIC TUNNELING IN SQUIDS

B. Barbara1, P. C. E. Stamp1, 2 et M. Uehara3

1  Laboratoire Louis Néel, C.N.R.S., 166X, 38042 Grenoble Cedex, France
2  Department of Physics, University of Lancaster, Lancaster LAI 4Y8, G.B.
3  National Research Institute for Metal, Sengen Sakura-Mura, Niiharigun, Ibaraki 305, Japan


Abstract
A comparison is made between our results on low-temperature domain-wall tunneling in disordered SmCo3.5Cul.5 systems (an example of Mesoscopic Quantum Tunneling), and Macroscopic Quantum Tunneling in SQUIDS.