Precise measurements of electron and hole g-factors of single quantum dots by using nuclear field

Details Precise measurements of electron and hole g-factors of single quantum dots by using nuclear field Precise measurements of electron and hole g-factors of single quantum dots by using nuclear field

2007-09-30

arxiv.org/abs/0710.0119v1

Physics

Condensed Matter

Materials Science

3 pages, 2 figures

Scientific paper

10.1063/1.2827572

We demonstrated the cancellation of the external magnetic field by the nuclear field at one edge of the nuclear polarization bistability in single InAlAs quantum dots. The cancellation for the electron Zeeman splitting gives the precise value of the hole g-factor. By combining with the exciton g-factor that is obtained from the Zeeman splitting for linearly polarized excitation, the magnitude and sign of the electron and hole g-factors in the growth direction are evaluated.

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