Description
Chair: H. Kroha
Hermann Dürr
(SLAC)
05/04/2011, 13:20
Invited talk
Polarized soft x-rays have been used over the past 20 years to obtain fascinating new insights into nanoscale magnetism. The separation of spin and orbital magnetic moments, for instance, enabled detailed insights into the interplay of exchange and spin-orbit interactions at the atomic level. The now available polarized soft x-ray pulses with only 100 fs duration allow us to observe the...
36.
Ultrafast heating above the spin reorientation phase transition in the Co/SmFeO3 heterostructure
Loïc Le Guyader
(Swiss Light Source, Paul Scherrer Institut)
05/04/2011, 14:20
Talk
The magnetization direction of ferromagnetic (FM) films can be pinned by coupling them to an antiferromagnet (AFM). It has been demonstrated recently [A. Kimel et al., Nature, 429, 850 (2004)] that a subpicosecond laser-excitation of an antiferromagnetic orthoferrites RFeO3, where R is a rare-earth ion, may result in ultrafast modification of the magnetic anisotropy followed by a reorientation...