WebJul 9, 2014 · In transition metal dichalcogenides this valley pseudo-spin, like real spin, is associated with a magnetic moment which underlies the valley-dependent circular dichroism that allows optical generation of valley polarization, intervalley quantum coherence, and the valley Hall effect. WebOct 26, 2024 · The valley pseudospin in transition metal... Find, read and cite all the research you need on ResearchGate ... fast optical manipulation of single ele ctron spins in quan-tum dots, Solid State ...
Manipulation of Valley Pseudospin by Selective Spin Injection in …
WebSep 19, 2016 · In this paper, we demonstrate all-optical control of the valley coherence by means of the pseudomagnetic field associated with the optical Stark effect. Using below … WebOct 14, 2024 · Thus, the spin-valley locking and the interplay of two inequivalent valleys give rise to valley-dependent optical selection rules [17]. Manipulation of valley pseudospin thus becomes a central theme in the eld of valleytronics. Several methods have been proposed to achieve transient valley polarization such as optical excitations [18{20], by inf meaning in chat
Magnetic control of valley pseudospin in monolayer WSe 2 - Nature
WebJul 30, 2024 · Our findings set a comprehensive approach for intrinsic and efficient manipulation of valley pseudospin and spin degree of freedom toward realistic opto-valleytronics devices. KEYWORDS: alloyed TMD monolayers room-temperature valley polarization valley Supporting Information WebApr 7, 2024 · Coherent control and manipulation of quantum degrees of freedom such as spins forms the basis of emerging quantum technologies. In this context, the robust valley degree of freedom and the associated valley pseudospin found in two-dimensional transition metal dichalcogenides is a highly attractive platform. WebMANIPULATION OF VALLEY PSEUDOSPIN IN … PHYSICAL REVIEW B 101, 125401 (2024) FIG. 2. (a) A schematic diagram of the energy band structure showing the valley-dependent optical selection rule in monolayer TMDs. (b) A schematic diagram showing electronic structures at the K+ and K− valleys in the exchange-coupled WSe 2/CrI 3 heterostructure … inf meaning in military