Search Results - "Kossut, J"

Ultraslow Spin Relaxation Dynamics in Colloidal Copper-Doped CdSe Quantum Dots by Kłopotowski, Ł, Mikulski, J, Szymura, M, Minikayev, R, Parlińska-Wojtan, M, Kazimierczuk, T, Kossut, J

“…Bulk semiconductors doped with copper ions have been heavily studied and employed as phosphors in early display technologies. The properties of copper-doped…”
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Spin-flip Raman scattering of the neutral and charged excitons confined in a CdTe/(Cd,Mg)Te quantum well by Debus, J., Dunker, D., Sapega, V. F., Yakovlev, D. R., Karczewski, G., Wojtowicz, T., Kossut, J., Bayer, M.

“…Spin-flip Raman scattering of electrons and heavy holes is studied for resonant excitation of neutral and charged excitons in a CdTe/Cd sub(0.63)Mg sub(0.37)Te…”
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All-optical NMR in semiconductors provided by resonant cooling of nuclear spins interacting with electrons in the resonant spin amplification regime by Zhukov, E. A., Greilich, A., Yakovlev, D. R., Kavokin, K. V., Yugova, I. A., Yugov, O. A., Suter, D., Karczewski, G., Wojtowicz, T., Kossut, J., Petrov, V. V., Dolgikh, Yu. K., Pawlis, A., Bayer, M.

“…Resonant cooling of different nuclear isotopes manifested in optically induced nuclear magnetic resonances (NMR) is observed in n-doped CdTe/(Cd,Mg)Te and…”
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Strain-induced energy gap variation in ZnTe/ZnMgTe core/shell nanowires by Wojnar, P., Zielinski, M., Janik, E., Zaleszczyk, W., Wojciechowski, T., Wojnar, R., Szymura, M., Kłopotowski, Ł., Baczewski, L. T., Pietruchik, A., Wiater, M., Kret, S., Karczewski, G., Wojtowicz, T., Kossut, J.

“…Strain-induced changes of ZnTe energy gap in ZnTe/ZnMgTe core/shell nanowires arising from lattice mismatch between the core and the shell semiconductor are…”
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Resonant spin amplification of resident electrons in CdTe/(Cd,Mg)Te quantum wells subject to tilted magnetic fields by Zhukov, E. A., Yugov, O. A., Yugova, I. A., Yakovlev, D. R., Karczewski, G., Wojtowicz, T., Kossut, J., Bayer, M.

“…Electron spin coherence in CdTe/(Cd,Mg)Te quantum wells is studied experimentally and theoretically in tilted external magnetic fields generated by a…”
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Magnetic-field control of photon echo from the electron-trion system in a CdTe quantum well: shuffling coherence between optically accessible and inaccessible states by Langer, L, Poltavtsev, S V, Yugova, I A, Yakovlev, D R, Karczewski, G, Wojtowicz, T, Kossut, J, Akimov, I A, Bayer, M

“…We report on magnetic field-induced oscillations of the photon echo signal from negatively charged excitons in a CdTe/(Cd,Mg)Te semiconductor quantum well. The…”
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Photoluminescence study of CdTe/ZnTe self-assembled quantum dots by Karczewski, G., Maćkowski, S., Kutrowski, M., Wojtowicz, T., Kossut, J.

“…We report on optical properties of CdTe self-assembled quantum dots (SADs) grown by molecular beam epitaxy on ZnTe. Formation of SADs was achieved by…”
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Diluted magnetic semiconductor quantum dots: An extreme sensitivity of the hole zeeman splitting on the aspect ratio of the confining potential by KYRYCHENKO, F. V, KOSSUT, J

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Photoluminescence of highly doped Cd1-xMnxS nanocrystals by ROMCEVIC, M, ROMCEVIC, N, KOSTIC, R, KLOPOTOWSKI, L, DOBROWOLSKI, W. D, KOSSUT, J, COMOR, M. I

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Optically-induced magnetization of CdMnTe self-assembled quantum dots by Mackowski, S., Gurung, T., Nguyen, T. A., Jackson, H. E., Smith, L. M., Karczewski, G., Kossut, J.

“…We demonstrate that resonant excitation of CdMnTe self-assembled quantum dots creates an ensemble of spin-polarized magnetic polarons at B=0 T. The strong…”
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Spin coherence of holes and electrons in undoped CdTe/(Cd,Mg)Te quantum wells by Zhukov, E. A., Yakovlev, D. R., Gerbracht, M., Mikhailov, G. V., Karczewski, G., Wojtowicz, T., Kossut, J., Bayer, M.

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Spin coherence of two-dimensional electron gas in CdTe/(Cd,Mg)Te quantum wells by Zhukov, E. A., Yakovlev, D. R., Bayer, M., Karczewski, G., Wojtowicz, T., Kossut, J.

“…Electron spin coherence has been studied in CdTe/(Cd,Mg)Te quantum wells with a low‐dense two‐dimensional electron gas by means of pump–probe Kerr rotation…”
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Exciton spin relaxation time in quantum dots measured by continuous-wave photoluminescence spectroscopy by Mackowski, S., Nguyen, T. A., Jackson, H. E., Smith, L. M., Kossut, J., Karczewski, G.

“…We demonstrate a method of measuring the exciton spin relaxation time in semiconductor nanostructures by continuous-wave photoluminescence. We find that for…”
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Magnetic field influence on optical properties of Cd1−xMnxS (x=0; 0.3) quantum dots: Photoluminescence study by Romčević, N., Petrović-Damjanović, M., Romčević, M., Gilić, M., Klopotowski, L., Dobrowolski, W.D., Kossut, J., Janković, I.A., Čomor, M.I.

“…[Display omitted] ► Photoluminescence spectra of CdS and Cd0.7Mn0.3S nanocrystals are presented. ► Magnetic field up to 5T at 1.8K was applied. ► Surface,…”
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Exciton-controlled magnetization in single magnetic quantum dots by Mackowski, S., Gurung, T., Jackson, H. E., Smith, L. M., Karczewski, G., Kossut, J.

“…We report on low temperature polarization-resolved imaging of single magnetic self-assembled CdMnTe quantum dots (QDs) in the absence of magnetic field. Using…”
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Sensitivity of exciton spin relaxation in quantum dots to confining potential by Mackowski, S., Gurung, T., Jackson, H. E., Smith, L. M., Heiss, W., Kossut, J., Karczewski, G.

“…We observe a strong dependence of the exciton spin relaxation in CdTe quantum dots on the average dot size and the depth of the confining potential. After…”
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Impact of carrier redistribution on the photoluminescence of CdTe self-assembled quantum dot ensembles by MACKOWSKI, S, PRECHTL, G, HEIRS, W, KYRYCHENKO, F. V, KARCZEWSKI, G, KOSSUT, J

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Transparent p-type ZnO films obtained by oxidation of sputter-deposited Zn3N2 by KAMINSKA, E, PIOTROWSKA, A, ALESZKIEWICZ, M, WOJNAR, P, KOWALCZYK, E, KOSSUT, J, BARCZ, A, BUTKUTE, R, DOBROWOLSKI, W, DYNOWSKA, E, JAKIELA, R, PRZEZDZIECKA, E, LUKASIEWICZ, R

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Role of magnetic fluctuations in the luminescence line width of small systems by Brazis, R., Kossut, J.

“…We discuss the magnetizations fluctuation as a leading determinant of the line width of luminescence from quantum dots composed of diluted magnetic…”
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Tuning the properties of magnetic CdMnTe quantum dots by Mackowski, S., Jackson, H. E., Smith, L. M., Kossut, J., Karczewski, G., Heiss, W.

“…We show that CdMnTe self-assembled quantum dots (QDs) can be formed by depositing a submonolayer of Mn ions over a ZnTe surface prior to deposition of the CdTe…”
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