The quantum confinement effect observed in the multiple quantum wells mg0.27zn0.73o/zno

Авторы: Lotin A.A., Novodvorsky O.A., Parshina L.S., Khaydukov E.V., Khramova O.D., Panchenko V.Y.
Журнал: Laser Physics
Том: 21
Номер: 3
Год издания: 2011
Издательство: IOP Publishing
Местоположение издательства: [Bristol, UK], England
Первая страница: 582
Последняя страница: 587
DOI: 10.1134/S1054660X11050215
Аннотация: The multiple quantum wells (MQW) Mg0.27Zn0.73O/ZnO have been grown by pulsed laser deposition method with different well width L w. The optical and structural characteristics of MQW Mg 0.27Zn0.73O/ZnO have been investigated. The quantum confinement effect showing up in the blue shift of exciton peak in low temperature (8 K) photoluminescence spectra at well width reduction has been studied. It is established that intensity exciton peak I ex and Einstein's characteristic temperature Θ E increase at reduction of well width L w. It is revealed that the discontinuity ratio of conduction and a valence bands in heterostructure Mg0.27Zn 0.73O/ZnO is 0.65/0.35 that corresponds to the literature.
Добавил в систему: Панченко Владислав Яковлевич

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