80% Valley Polarization of Free Carriers in Singly Oriented Single-Layer WS_{2} on Au(111).
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DOI: 10.1103/physrevlett.123.236802
Abstract: We employ time- and angle-resolved photoemission spectroscopy to study the spin- and valley-selective photoexcitation and dynamics of free carriers at the K[over ¯] and K[over ¯]^{'} points in singly oriented single-layer WS_{2}/Au(111). Our results reveal… read more here.
Keywords: free carriers; singly oriented; oriented single; polarization ... See more keywords