Size effects in quasi-two-dimensional metallic compounds
R. N. GurzhiPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovA. N. KalinenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovA. I. KopeliovichPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kov
ABI
Abstract
It is shown that quasi-two-dimensional metallic systems (of the type of acceptor compounds of graphite) can exhibit qualitatively new relaxation mechanisms associated with electron scattering at the sample surface. A typical feature of these mechanisms is a close connection between the specific processes of electron–phonon and electron–electron relaxation in two-dimensional systems with a diffusive motion of electrons in the coordinate space. Under certain conditions, these mechanisms leads to a minimum in the temperature dependence of the electrical resistance.
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