Gigantic reflectance anisotropy of the [110] face of cubic ZnSe in the excitonic part of the spectrumстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 16 июня 2015 г.
Аннотация:Optical response nonlocality in cubic ZnSe in the proximity of an excitonic absorption resonance leads to a gigantic optical anisotropy (deltan/n approximate to 0.1). The anisotropy cause a polarization azimuth rotation, in scale of several degrees, for the light reflected from the [110] crystal facet. The anisotropy is described by quadratic. in respect to the light wave vector terms in the dielectric tensor of the crystal. It results from the: spin-orbit interaction induced, electron-wave vector linear terms in the exciton dispersion, bound to non-centrosymmetricity of the crystalline structure.