Size selective photoluminescence excitation spectroscopy in CdSe nanocrystals
β Scribed by P.A.M. Rodrigues; G. Tamulaitis; Peter Y. Yu; Subhash H. Risbud
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 538 KB
- Volume
- 94
- Category
- Article
- ISSN
- 0038-1098
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The photoluminescence (PL) excitation spectrum (intensity of PL as a function of the wavelength of the exciting light) has been measured over the range 1.0 -1.25 eV for PL at 0.79 eV using a free electron laser (FEL) as the excitation source. At all wavelengths, the PL intensity varies with incident
Photoluminescence spectroscopy with high spatial resolution has been applied to study single CdSe quantum dots embedded in a semimagnetic ZnMnSe matrix. The exchange interaction between the exciton and Mn 2+ ions of the crystal matrix results in the formation of a ferromagnetically aligned spin comp