Initial goal: 70’s: Search for « macroscopic » quantum tunneling in magnetism Measurements on « narrow domain walls », ensemble of nanoparticles… Outline.
QUANTUM SPIN DYNAMICS OF RARE-EARTHS IONS B. Barbara, W. Wernsdorfer, E. Bonet, L. Thomas (IBM), I. Chiorescu (FSU), R. Giraud (LPN) Laboratory Louis Néel,
Outline ( Mid 90’s to now)
