Scattering of 130 nm radiation with 100 fs pulse length was used to monitor the α/β-striped microstructure in MnAs/GaAs(001), after a 390 nm 5 mJcm−2 pump pulse. A strong reduction of the Bragg peak intensity, corresponding to a widening of the β-stripes, takes place with a characteristic time of 15 ps. These results are relevant within the context of using MnAs/GaAs(001) as a template for the growth of ferromagnetic films, whose magnetization direction can be controlled by modifying the template temperature.
Time resolved pump-probe scattering in MnAs/GaAs(001): A look into the dynamics of α-β Stripe domains / Sacchi, Maurizio; Spezzani, Carlo; Allaria, Enrico; Ferrari, Eugenio; Coreno, Marcello; Marangolo, Massimiliano; Eddrief, Mahmoud; Etgens, Victor; DE NINNO, Giovanni. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - 100:21(2012), pp. 211905.1-211905.10. [10.1063/1.4720398]
Time resolved pump-probe scattering in MnAs/GaAs(001): A look into the dynamics of α-β Stripe domains
FERRARI, EUGENIO;DE NINNO, GIOVANNI
2012-01-01
Abstract
Scattering of 130 nm radiation with 100 fs pulse length was used to monitor the α/β-striped microstructure in MnAs/GaAs(001), after a 390 nm 5 mJcm−2 pump pulse. A strong reduction of the Bragg peak intensity, corresponding to a widening of the β-stripes, takes place with a characteristic time of 15 ps. These results are relevant within the context of using MnAs/GaAs(001) as a template for the growth of ferromagnetic films, whose magnetization direction can be controlled by modifying the template temperature.Pubblicazioni consigliate
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