Effect of photoexcited carrier density on spin diffusion coefficient and helical spin lifetime

Effect of photoexcited carrier density on spin diffusion coefficient and helical spin lifetime

We investigate the effect of the photoexcited carrier density on helical spin dynamics using time- and spatially resolved magneto-optical Kerr rotation measurements. The helical spin lifetime is extended by increasing the photoexcited electron spin density because the phase decoherence by spin prece...

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Bibliographic Details
Main Authors: Ryo Tokimitsu, Takachika Mori, Jun Ishihara, Makoto Kohda, Yuzo Ohno, Kensuke Miyajima
Format: Article
Language:English
Published: American Physical Society 2025-04-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.7.023072
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