Excitonic quasimolecule consisting of two semiconductor quantum dots

• Autorzy: Pokutnyi S.I. , Salejda W.

Identyfikatory

DOI

10.5277/oa160410

• Języki publikacji: EN

Abstrakty

EN

The effect of a significant increase in the binding energy of the singlet ground state of an excitonic quasimolecule consisting of two CdS quantum dots, in comparison with the binding energy of a biexciton in a single crystal of CdS (almost by two orders of magnitude), has been found.

Słowa kluczowe

EN

spatially separated electron and holes; quantum dots; binding energy; Coulomb and exchange interaction

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2016
• Tom: Vol. 46, nr 4
• Strony: 629--637
• Opis fizyczny: Bibliogr. 17 poz., tab.

Twórcy

autor

Pokutnyi S.I.

• Chuiko Institute of Surface Chemistry, National Academy of Sciences of Ukraine, 17 General Naumov St., UA – 03164 Kyiv, Ukraine

autor

Salejda W.

• Faculty of Fundamental Problems of Technology, Wrocław University of Science and Technology, 27 Wybrzeże Wyspianskiego, 50-370 Wroclaw, Poland

Bibliografia

• [1] ASHOORI R.C., Electrons in artificial atoms, Nature 379(6564), 1996, pp. 413–419.
• [2] POKUTNYI S.I., On an exciton with a spatially separated electron and hole in quasi-zero-dimensional semiconductor nanosystems, Semiconductors 47(6), 2013, pp. 791–798.
• [3] POKUTNYI S.I., Theory of excitons and excitonic quasimolecules formed from spatially separated electrons and holes in quasi-zero-dimensional nanosytems, Optics 3(6-1), 2014, pp. 10–21.
• [4] YAKIMOV A., DVURECHENSKY A., et al., Effects of electron-electron interaction in the optical properties of dense arrays of quantum dots Ge/Si, Journal of Experimental and Theoretical Physics 119, 2001, pp. 574–589.
• [5] GRABOVSKIS V., DZENIS Y., EKIMOV A., Photoionization of semiconductor microcrystals in glass, Soviet Physics – Solid State 31, 1989, pp. 272–275.
• [6] BONDAR N.V., Photoluminescence quantum and surface states of excitons in ZnSe and CdS nanoclusters, Journal of Luminescence 130(1), 2010, pp. 1–7.
• [7] OVCHINNIKOV O., SMIRNOV M., SHATSKIKH T., KHOKHLOV V., SHAPIRO B., VITUKHNOVSKY A., AMBROZEVICH S., Spectroscopic investigation of colloidal CdS quantum dots–methylene blue hybrid associates, Journal of Nanoparticle Research 16, 2014, pp. 2286–2292.
• [8] DZYUBA V., KULCHIN Y.N., MILICHKO V.A., Quantum-size states of a particle inside the deformed nanosphere, Advanced Materials Research 677, 2013, pp. 42–48.
• [9] KULCHIN Y.N., DZYUBA V.P., MILICHKO V.A., Dielectric nano-systems with unique optical properties, Advanced Materials Research 677, 2013, pp. 36–41.
• [10] POKUTNYI S.I., KULCHIN YU.N., DZYUBA V.P., Binding energy of excitons formed from spatially separated electrons and holes in insulating quantum dots, Semiconductors 49(10), 2015, pp. 1311–1315.
• [11] POKUTNYI S.I., Biexcitons formed from spatially separated electrons and holes in quasi-zero-dimensional semiconductor nanosystems, Semiconductors 47(12), 2013, pp. 1626–1635.
• [12] POKUTNYI S.I., Binding energy of the exciton with a spatially separated electron and hole in quasi-zero-dimensional semiconductor nanosystems, Technical Physics Letters 39(3), 2013, pp. 233–235.
• [13] LALUMIÈRE K., SANDERS B.C., VAN LOO A.F., FEDOROV A., WALLRAFF A., BLAIS A., Input-output theory for waveguide QED with an ensemble of inhomogeneous atoms, Physical Review A 88(4), 2013, article 043806.
• [14] VAN LOO A.F., FEDOROV A., LALUMIÈRE K., SANDERS B.C., BLAIS A., WALLRAFF A., Photon-mediated interactions between distant artificial atoms, Science 342(6165), 2013, pp. 1494–1496.
• [15] POKUTNYI S.I., JACAK L., MISIEWICZ J., SALEJDA W., ZEGRYA G.G., Stark effect in semiconductor quantum dots, Journal of Applied Physics 96(2), 2004, pp. 1115–1119.
• [16] VALIEV K.A., Quantum computers and quantum computations, Physics–Uspekhi (Advances in Physical Sciences) 48(1), 2005, pp. 1–36.
• [17] SCHIFF L., Quantum Mechanics, McGraw-Hill Book Company, New York, Toronto, London, 1955.

Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).