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Role of a uniform magnetic field on the energy spectrum of a single donor in a core/shell spherical quantum dot
Univ Moulay Ismail, Fac Sci, LP2MS, Unite Associee,CNRST URAC 08,Phys Dept, BP 11201, Meknes, Morocco.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Moulay Ismail, Fac Sci, LP2MS, Unite Associee,CNRST URAC 08,Phys Dept, BP 11201, Meknes, Morocco. (Condensed Matter Theory Group)
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Moulay Ismail, Fac Sci, LP2MS, Unite Associee,CNRST URAC 08,Phys Dept, BP 11201, Meknes, Morocco;Univ Lorraine, LCP A2MC, Inst Chim Phys & Mat, 1 Bd Arago, F-57070 Metz, France. (Condensed Matter Theory Group)
Univ Lorraine, LCP A2MC, Inst Chim Phys & Mat, 1 Bd Arago, F-57070 Metz, France.
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2019 (English)In: Zhongguó wùli xuékan, ISSN 0577-9073, Vol. 57, p. 189-194Article in journal (Refereed) Published
Abstract [en]

Using the variational approach within the framework of the effective-mass approximation (EMA), the binding energy of a centred hydrogenic donor impurity in a CdSe/ZnTe core/shell spherical quantum dot (CSSQD) in the presence of an external magnetic field was investigated. In this model, we have taken into account the effect of the radial dependence of the dielectric constant and of the electron effective mass. Our numerical results show a remarkable influence of the nanodot spatial parameters and of the external magnetic field strength on the shallow donor binding energy.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2019. Vol. 57, p. 189-194
Keywords [en]
Shallow donor, Core/shell materials, Nanostructures, Quantum dots, Magnetic field
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-377665DOI: 10.1016/j.cjph.2018.11.016ISI: 000457719500021OAI: oai:DiVA.org:uu-377665DiVA, id: diva2:1291321
Funder
Swedish Research Council, 348-2011-7264Available from: 2019-02-25 Created: 2019-02-25 Last updated: 2019-02-25Bibliographically approved

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