TITLE

Line spectra from doped nano-oxide: A design for nanooptics

AUTHOR(S)
Altman, Igor S.; Pikhitsa, Peter V.; Mansoo Choi; Jae In Jeong, Peter V.; Ho-Jun Song; Agranovski, Igor F.; Bostrom, Thor F.
PUB. DATE
November 2003
SOURCE
Applied Physics Letters;11/3/2003, Vol. 83 Issue 18, p3689
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report the photoluminescence (PL) observation of extremely sharp zero-phonon lines originating from transitions of Mn[sup 2+] and Cr[sup 3+] ions embedded into MgO matrix of nanoscale (nanocrystals and films). The excellent performance of PL compared to that from quantum dots makes our finding attractive for applications. © 2003 American Institute of Physics.
ACCESSION #
11210030

 

Related Articles

  • Determination of size and composition of optically active CdZnSe/ZnBeSe quantum dots. Gu, Y.; Kuskovsky, Igor L.; Fung, J.; Robinson, R.; Herman, I. P.; Neumark, G. F.; Zhou, X.; Guo, S. P.; Tamargo, M. C. // Applied Physics Letters;11/3/2003, Vol. 83 Issue 18, p3779 

    The size and composition of optically active Cd[sub x]Zn[sub 1-x]Se/Zn[sub 0.97]Be[sub 0.03]Se quantum dots (QDs) are determined using photoluminescence, photoluminescence excitation, and Raman scattering spectroscopies combined with a model of photoluminescence and LO phonon energies. The...

  • Resonant optical excitation of longitudinal-optical phonons and intermixing in InAs/AlAs single quantum dots. Sarkar, D.; van der Meulen, H. P.; Calleja, J. M.; Meyer, J. M.; Haug, R. J.; Pierz, K. // Applied Physics Letters;5/5/2008, Vol. 92 Issue 18, p181909 

    Excitations of a single InAs/AlAs self-assembled quantum dot were investigated by photoluminescence excitation spectroscopy. Resonant absorption by longitudinal-optical (LO) phonons of the quantum dot and the barriers is observed. In particular, a resonance at 41 meV is attributed to the...

  • Phonon Coupling to Excitonic Transitions in Single InGaAs/AlGaAs Quantum Dots. Karlsson, K. F.; Dufåker, D.; Dimastrodonato, V.; Mereni, L. O.; Holtz, P. O.; Sernelius, B. E.; Pelucchi, E. // AIP Conference Proceedings;12/22/2011, Vol. 1399 Issue 1, p569 

    The LO-phonon coupling is experimentally examined from the optical decay of various charged and neutral exciton species in single quantum dots. A positive trion exhibits significantly weaker LO-phonon replicas in the photoluminescence spectrum than the neutral and negatively charged species.

  • PHOTOLUMINESCENCE OF POROUS SILICON WITH INSERTED CdSe/ZnS QUANTUM DOTS. Jarimaviciute-Zvalioniene, R.; Kamińska, A.; Waluk, J.; Prosycevas, I. // International Conference: Radiation Interaction with Material & ;2010, p345 

    Combining basic materials, such as porous silicon, with nanoparticles we can produce low-cost light emitting materials, what is economically useful and important nowadays. In this work we have produced visible light emitting quantum dots (QD) of CdSe/ZnS and precipitated them onto the surface of...

  • Enhancement of room-temperature photoluminescence in InAs quantum dots. Lu, W.; Ji, Y. L.; Chen, G. B.; Tang, N. Y.; Chen, X. S.; Shen, S. C.; Zhao, O. X.; Willander, M. // Applied Physics Letters;11/24/2003, Vol. 83 Issue 21, p4300 

    We report pronounced enhancement of room-temperature photoluminescence up to 80-fold induced by proton implantation and the rapid thermal annealing process in a multilayer InAs/GaAs quantum-dot structure. This effect is studied by a combination of material methods and resulted from both proton...

  • Mode splitting in photoluminescence spectra of a quantum-dot-embedded microcavity. Hu, C. Y.; Zheng, H. Z.; Zhang, J. D.; Zhang, H.; Yang, F. H.; Zeng, Y. P. // Applied Physics Letters;2/3/2003, Vol. 82 Issue 5, p665 

    A microcavity structure, containing self-assembled InGaAs quantum dots, is studied by angle-resolved photoluminescence (PL) spectroscopy. A doublet with the splitting energy of 0.5-1.5 nm appears when the detection angle is larger than 35°. This doublet is identified as mode splitting (not...

  • Photo-oxidation-enhanced coupling in densely packed CdSe quantum-dot films. Wang, Xiaoyong; Zhang, Jiayu; Nazzal, Amjad; Xiao, Min // Applied Physics Letters;7/7/2003, Vol. 83 Issue 1, p162 

    Photo-oxidation of densely packed monolayer of CdSe quantum dots (QDs) was studied by time-resolved photoluminescence (PL) spectroscopy. Electrons yielded in QDs by the strong laser-pulse irradiation can assist the oxidation of CdSe QDs. Such rapid photo-oxidation does not introduce more...

  • Optical Properties of Tetrahedral Quantum Dot Quantum Wells. Fonoberov, V. A.; Pokatilov, E. P.; Fomin, V. M.; Devreese, J. T. // AIP Conference Proceedings;2005, Vol. 772 Issue 1, p673 

    Taking into account the tetrahedral shape of a quantum dot quantum well (QDQW) when describing excitonic states, phonon modes and the exciton-phonon interaction in the structure, we obtain a quantitative interpretation of the photoluminescence (PL) spectrum of a single CdS/HgS/CdS QDQW within a...

  • Exciton–phonon coupled states in CdTe/Cd[sub 1-x]Zn[sub x]Te quantum dots. El Moussaouy, A.; Bria, D.; Nougauoi, A.; Charrour, R.; Bouhassoune, M. // Journal of Applied Physics;3/1/2003, Vol. 93 Issue 5, p2906 

    This article presents a theoretical analysis of the dependence of the exciton binding energy and exciton-LO-phonon coupling on the cylindrical quantum dot (QD) size. The effect of the temperature on the integrated photoluminescence line intensity is also investigated. Calculations were performed...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics