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VOLUME 44 (1986) | ISSUE 6 | PAGE 291
Observation of quantum oscillations of the magnetoresistance of multiply connected objects with a hopping conductivity
A study has been made of the magnetoresistance of grid structures made from oxidized disordered PbTe films. At Τ — 1.12 К, oscillations have been observed with a period corresponding to a change of approximately hc/2e in the magnetic flux through each aperture of the grid. The temperature dependence of the resistance is described by Mott's law for films with a hopping conductivity and a variable hopping length.