Real-time observation of the intravalley spin-flip process in single-layer WS2

Autor: Wang Zilong, Molina-Sanchez Alejandro, Altmann Patrick, Sangalli Davide, De Fazio Domenico, Soavi Giancarlo, Sassi Ugo, Bottegoni Federico, Ciccacci Franco, Finazzi Marco, Wirtz Ludger, Ferrari Andrea, Marini Andrea, Cerullo Giulio, Dal Conte Stefano
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: EPJ Web of Conferences, Vol 205, p 05012 (2019)
Druh dokumentu: article
ISSN: 2100-014X
DOI: 10.1051/epjconf/201920505012
Popis: We use helicity-resolved transient absorption spectroscopy to track intravalley scattering dynamics in monolayer WS2. We find that spin-polarized carriers scatter from upper to lower conduction band by reversing their spin orientation on a sub-ps timescale.
Databáze: Directory of Open Access Journals