Workshop on Ultrafast Dynamics in Strongly Correlated Systems

Session

Magnetism I

T7

5 Apr 2011, 13:20

ETH Zurich, Campus Science City, HIT Building

Description

Chair: H. Kroha

49. Ultrafast manipulation of electrons and spins with x-rays

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...

7. Lattice and magnetic dynamics of a laser induced phase transition in FeRh

Simon Mariager (PSI)

05/04/2011, 14:00

Talk

The interplay between the magnetic, electronic and structural degrees of freedom is often the key to understanding fundamental properties of solid state systems and forms the basis for their use in technological devices. In this context the magnetic alloy FeRh displays a phase transition consisting both of an isotropic lattice expansion and a magnetic transition from an anti-ferromagnetic to a...

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...