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Giant Zeeman effects in colloidal diluted magnetic semiconductor quantum dots with homogeneous dopant speciation
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10.1063/1.2151818
/content/aip/journal/jap/99/8/10.1063/1.2151818
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/8/10.1063/1.2151818
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Figures

Image of FIG. 1.
FIG. 1.

Low-temperature absorption and MCD spectra of DMS-QDs. (a) 5 nm, 1.7% :ZnO QDs; 7 K Abs., 5 K MCD, 0–6.5 T (Ref. 3). (b) 5 nm, 1.3% :ZnSe QDs; 5 K Abs. and MCD, 0–6.5 T (Ref. 11). (c) 4.4 nm, 2.5% :CdS QDs; 10 K Abs., 4.5 K MCD (Ref. 20). Upper insets: DMS-QD (solid) and bulk single crystal (dashed) (Refs. 3, 17, and 18) 300 K electronic absorption spectra. Lower insets: ligand field (+) and band gap (O) MCD intensities as a function of , and the expected magnetization curves for each sample.

Image of FIG. 2.
FIG. 2.

5 K electronic absorption and 1–7 T MCD spectra of colloidal InP QDs synthesized with substituting for 1% of the precursor following a previously reported procedure (Ref. 33). Upper inset: 300 K EPR spectrum of the same sample. Lower inset: peak-to-peak intensities of the InP excitonic MCD feature (circles) fit to a straight line. The expected magnetization is shown by the dashed line.

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/content/aip/journal/jap/99/8/10.1063/1.2151818
2006-04-19
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Giant Zeeman effects in colloidal diluted magnetic semiconductor quantum dots with homogeneous dopant speciation
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/8/10.1063/1.2151818
10.1063/1.2151818
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