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Pump and Probe Techniques for Spin–Lattice Thermalization Measurements. Thermal Requirements
Author(s) -
Callegaro L.,
Puppin E.
Publication year - 1994
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221850219
Subject(s) - thermalisation , thermal , laser , materials science , electron , ultrashort pulse , lattice (music) , phonon , condensed matter physics , relaxation (psychology) , atomic physics , optics , thermodynamics , physics , nuclear physics , psychology , social psychology , acoustics
Pump and probe techniques with ultrafast laser pulses represent a well established tool for the measurements of electron‐electron and electron‐phonon thermalization processes. It is shown that expanding these techniques to magnetic systems for spin‐lattice relaxation measurements requires a careful selection of the thermal characteristics of the samples. More precisely, a simulation of the thermal behavior of thin metal films heated by short laser pulses shows that film thickness and substrate thermal properties are crucial parameters.