Abstract
The crystal structure of Mo-Re alloys is investigated by channeling of helium ions at an energy of 1.8 MeV in the concentration range in which the electronic topological transition was previously revealed from an analysis of the superconducting and normal properties. It is found that, for Mo-Re alloys containing 11 and 32 at. % Re, the dependences of the yield Y of backscattered particles on the angle θ between the particle beam and the 〈110〉 crystallographic direction exhibit a specific feature in the form of an additional maximum at the half-width (θ = 0.8°). It is assumed that the observed feature is associated with the formation of a superstructure due to the electronic topological transition in Mo-Re alloys.
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