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.



Titolo: Time resolved pump-probe scattering in MnAs/GaAs(001): A look into the dynamics of α-β Stripe domains
Autori: 
FERRARI, EUGENIO
DE NINNO, GIOVANNI
mostra contributor esterni 
Data di pubblicazione: 2012
Rivista: 
APPLIED PHYSICS LETTERS  
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.
Handle: http://hdl.handle.net/11368/2857276
Digital Object Identifier (DOI): http://dx.doi.org/10.1063/1.4720398
Appare nelle tipologie:1.1 Articolo in Rivista

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