Magnetoplasticity of Diamagnetic Crystals in Microwave Fields

A. L. Buchachenko

Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, 119991 Russia

e-mail: abuchach@chph.ras.ru

Received May 18, 2006

Abstract—Physical mechanisms responsible for the effect of microwave fields on magnetoplasticity and
microhardness of diamagnetic crystals are formulated. Their key elements are resonant and nonresonant inter-
actions between microwave fields and spin-selective nanoscale reactors. In ionic and covalent crystals, a nanos-
cale reactor is created when an electron is transferred in a “stopper + pinned dislocation” system and when a
dislocation encounters a dangling bond, respectively. The former mechanism enhances microplasticity, while
the latter leads to hardening via magnetic resonance. Physical implications of the mechanisms are compared
with experimental observations.

PACS numbers: 61.72.Hh

DOI: 10.1134/S1063776107090166

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