Anisotropic spin dynamics of confined electrons in CdTe/ZnTe quantum structures | Zendy

Shinichi Tomimoto | Zendy; Shinsuke Nozawa | Zendy; Yoshikazu Terai | Zendy; Shinji Kuroda | Zendy; K. Takita | Zendy; Yasuaki Masumoto | Zendy

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Anisotropic spin dynamics of confined electrons in CdTe/ZnTe quantum structures

Author(s) -

Shinichi Tomimoto,

Shinsuke Nozawa,

Yoshikazu Terai,

Shinji Kuroda,

K. Takita,

Yasuaki Masumoto

Publication year - 2010

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.81.125313

Subject(s) - condensed matter physics , spins , electron , physics , anisotropy , quantum dot , spin (aerodynamics) , magnetic field , precession , quantum well , quantum mechanics , laser , thermodynamics

We have studied the spin dynamics of confined electrons in an ultrathin CdTe/ZnTe quantum well andself-assembled quantum dots by time-resolved Kerr-rotation technique. The dependence of the spin-precessionfrequency on the magnetic field direction shows the anisotropy of the g-factor tensor, which is the opposite ofthe usual quantum wells with moderate widths. The geometrical anisotropy of the confinement also affects theinitial orientation of the electron spins created optically, as revealed clearly with the use of oblique-incidencepump pulses

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