Reconstruction of the spatial structure of current filaments in n-GaAs in a magnetic field | Zendy

Albert Brandl | Zendy; M. Völcker | Zendy; W. Prettl | Zendy

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Reconstruction of the spatial structure of current filaments in n-GaAs in a magnetic field

Author(s) -

Albert Brandl,

M. Völcker,

W. Prettl

Publication year - 1989

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.101918

Subject(s) - protein filament , magnetic field , condensed matter physics , current (fluid) , impurity , field (mathematics) , deformation (meteorology) , population , excited state , semiconductor , physics , materials science , atomic physics , optoelectronics , mathematics , demography , quantum mechanics , sociology , meteorology , pure mathematics , composite material , thermodynamics

The spatial pattern of current filaments generated by impurity breakdown has been investigated in a semiconductor for the first time as a function of the magnetic field. Large asymmetries of shallow impurity excited‐state population were observed occurring at opposite edges of a filament normal to the magnetic field. Deformation of filament boundaries evolves at very low field strengths being comparably small to those which destabilize current flow yielding current fluctuation and chaos

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