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Type: Artigo de periódico
Title: Determination Of Spin Polarization In Inasgaas Self-assembled Quantum Dots
Author: Hernandez F.G.G.
Mayer Alegre T.P.
Medeiros-Ribeiro G.
Abstract: The spin polarization of electrons trapped in InAs self-assembled quantum dot ensembles is investigated. A statistical approach for the population of the spin levels allows one to infer the spin polarization from the measured values of the addition energies. From the magnetocapacitance spectroscopy data, the authors found a fully polarized ensemble of electronic spins above 10 T when B [001] and at 2.8 K. Finally, by including the g -tensor anisotropy, the angular dependence of the spin polarization with the magnetic field B orientation and strength could be determined. © 2008 American Institute of Physics.
Rights: aberto
Identifier DOI: 10.1063/1.2905809
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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