Pump and Probe Techniques for Spin–Lattice Thermalization Measurements. Thermal Requirements

Autor:	E. Puppin, L. Callegaro
Rok vydání:	1994
Předmět:	business.industry Chemistry Relaxation (NMR) Spin–lattice relaxation Condensed Matter Physics Laser Electronic Optical and Magnetic Materials law.invention Thermalisation Optics Ferromagnetism law Thermal Optoelectronics Thin film business Ultrashort pulse
Zdroj:	physica status solidi (b). 185:481-486
ISSN:	1521-3951 0370-1972
DOI:	10.1002/pssb.2221850219
Popis:	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.
Databáze:	OpenAIRE
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