Detection of lateral composition modulation in a (InAs){sub n}/(GaAs){sub n} short period superlattice on InP by magnetoexciton spectroscopy | Zendy

Eric D. Jones | Zendy; Joanna Mirecki-Millunchick | Zendy; D.M. Follstaedt | Zendy; M. J. Hafich | Zendy; S. Lee | Zendy; J. L. Reno | Zendy; R. D. Twesten | Zendy; Y. Zhang | Zendy; A. Mascarenhas | Zendy

Open Access

Detection of lateral composition modulation in a (InAs){sub n}/(GaAs){sub n} short period superlattice on InP by magnetoexciton spectroscopy

Author(s) -

Eric D. Jones,

Joanna Mirecki-Millunchick,

D.M. Follstaedt,

M. J. Hafich,

S. Lee,

J. L. Reno,

R. D. Twesten,

Y. Zhang,

A. Mascarenhas

Publication year - 1997

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/453545

Subject(s) - superlattice , modulation (music) , spectroscopy , period (music) , composition (language) , perpendicular , anisotropy , substrate (aquarium) , condensed matter physics , photoluminescence , materials science , chemistry , physics , optics , optoelectronics , biology , quantum mechanics , linguistics , philosophy , geometry , mathematics , acoustics , ecology

An experimental signature for detecting spontaneous lateral composition modulation in a (InAs){sub n}/(GaAs){sub n} short period superlattice on a InP substrate based on magnetoexciton spectroscopy is presented. The authors find by aligning the magnetic field in three crystallographic directions, one parallel to and the other two perpendicular to the composition modulation direction, that the magnetoexciton shifts are anisotropic and are a good indicator for the presence of composition modulation

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