Fe2+ doping in II-VI semiconductors, due to the absence of energetically accessible multiple spin state configurations, has not given rise to interesting spintronic applications. In this work, we demonstrate for the first time that the interaction of homogeneously doped Fe2+ ions with the host CdS nanocrystal with no clustering is different for the two spin states and produces two magnetically inequivalent excitonic states upon optical perturbation.
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Magneto-Optical Stark Effect in Fe-Doped CdS Nanocrystals
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Nano Letters
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DOI: 10.1021/acs.nanolett.1c00126
(*Mahima Makkar, Lakshay Dheer, Luca Moretti, Margherita Maiuri, Soumen Ghosh, Giulio Cerullo, Umesh V. Waghmare, and Ranjani Viswanatha are the other authors of this paper.)
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