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Proceedings Paper

Magneto-optical studies of CdSe/CdMnS/CdS core/multi-shell colloidal nanoplatelets
Author(s): 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
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Paper 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.

Paper Details

Date Published: 4 November 2016
PDF: 10 pages
Proc. SPIE 9931, Spintronics IX, 99311W (4 November 2016); doi: 10.1117/12.2239725
Show Author Affiliations
Athos Petrou, Univ. at Buffalo (United States)
Thomas A. Scrace, Univ. at Buffalo (United States)
Joseph R. Murphy, Univ. at Buffalo (United States)
Peiyao Zhang, Univ. at Buffalo (United States)
Tenzin Norden, Univ. at Buffalo (United States)
Tianmu Zhang, Univ. at Buffalo (United States)
Tim Thomay, Univ. at Buffalo (United States)
Alexander N. Cartwright, Univ. at Buffalo (United States)
Savas Delikanli, Bilkent Univ. (Turkey)
Nanyang Technological Univ. (Singapore)
Mehmet Zafer Akgul, Bilkent Univ. (Turkey)
Nanyang Technological Univ. (Singapore)
Himli Volkan Demir, Bilkent Univ. (Turkey)
Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 9931:
Spintronics IX
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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