Light-induced spin-polarized desorption of Rb atoms from Co surfaces
Kanta Asakawa, Naoki Tanabe, Oki Watanabe, Shuji Kamada, Keisuke Hara, Kaori Niki, Atsushi Hatakeyama
TL;DR
This study demonstrates that pulsed UV-light can induce spin-polarized desorption of Rb atoms from a Co surface, revealing a non-thermal mechanism and spin transfer during the process.
Contribution
It provides new insights into spin transfer mechanisms during light-induced desorption of alkali atoms from magnetic surfaces.
Findings
Desorption is driven by a non-thermal mechanism.
Desorbed Rb atoms are spin-polarized.
Spin transfer occurs during desorption.
Abstract
The spin polarization of Rb atoms undergoing light-induced desorption from a spin-polarized Co (110) surface was investigated. Desorption induced by pulsed UV-light irradiation was driven by a non-thermal mechanism and the spins of the desorbed Rb atoms were polarized. This implies spin transfer between the surface and the adsorbate during desorption.
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Taxonomy
TopicsSurface and Thin Film Phenomena · Magnetic properties of thin films · Advanced Chemical Physics Studies