Open AccessАнизотропные триггерные электрические свойства двумерных сверхрешеток
Author(s) -
Д.В. Завьялов,
В.И. Конченков,
С.В. Крючков
Publication year - 2019
Publication title -
fizika i tehnika poluprovodnikov
Language(s) - English
Resource type - Journals
eISSN - 1726-7315
pISSN - 0015-3222
DOI - 10.21883/ftp.2019.11.48449.9076
Subject(s) - transverse plane , physics , jump , electric field , longitudinal field , impulse (physics) , transverse field , condensed matter physics , field (mathematics) , superlattice , quantum electrodynamics , mathematics , classical mechanics , quantum mechanics , magnetic field , engineering , structural engineering , pure mathematics , ising model
The problem of spontaneous generation of a transverse electric field in a two-dimensional superlattice with an additive spectrum when the pulling field changes is considered. It is shown that in the case the width of the minizone coincides in the longitudinal and transverse directions, when the pulling field reaches a certain threshold value, two equally probable states of the system arise, corresponding to the appearance of a transverse field of different signs, which leads to a fracture on the longitudinal volt-ampere characteristic. In case of deviation from the width equality of the minizone, one of these states becomes energetically more preferable, but with some impulse action the system can move to the second state, which leads to a jump-like change in the longitudinal current in the superlattice.