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Conferences > NLO > 2002 > WC > WC2

Surface magnetization of Si(111)-7×7 probed by SHG

Takanori Suzuki, Kazutaka Noguchi, Motowo Tsukakoshi, and Masakazu Aono

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Abstract

A novel experiment showing a magnetization-induced enhancement of surface second-harmonic generation (SHG) from Si(111)-7×7 is presented. An externally applied magnetic field of 10 T increased the surface SHG of Si(111)-7×7 by 100% at room temperature and by 500% at 120 K. The electron spins on the Si(111)-7×7 dangling bonds with a density of fractional monolayer are suggested to be responsible for the observed magnetization.

© 2002 Optical Society of America

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