4 November 2016 Magneto-optical studies of CdSe/CdMnS/CdS core/multi-shell colloidal nanoplatelets
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Abstract
We studied the photoluminescence (PL)) from CdSe/CdMnS/CdS core/multi-shell colloidal nanoplatelets, a versatile platform to study the interplay of optical properties and nanomagnetism. The photoluminescence (PL) exhibits σ+ polarization in the applied magnetic field. Our measurement detects the presence of even a single magnetic monolayer shell. The PLL consists of a higher and a lower energy component; the latter exhibits a circular polarization peak. The time-resolved PL (trPL) shows a red shift as function of time delay. At early (later) times the trPL spectra coincide with the high (low) energy PL component. A model is proposed to interpret these results.
Conference Presentation
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Athos Petrou, Thomas A. Scrace, Joseph R. Murphy, Peiyao Zhang, Tenzin Norden, Tianmu Zhang, Tim Thomay, Alexander N. Cartwright, Savas Delikanli, Mehmet Zafer Akgul, Himli Volkan Demir, "Magneto-optical studies of CdSe/CdMnS/CdS core/multi-shell colloidal nanoplatelets", Proc. SPIE 9931, Spintronics IX, 99311W (4 November 2016); doi: 10.1117/12.2239725; https://doi.org/10.1117/12.2239725
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