Mode locking and lattice orientations of driven vortex matter in amorphous MoGe films

N. Kokubo, B. Shinozaki, P.H. Kes

doi:10.1016/j.physc.2007.11.022

Mode locking and lattice orientations of driven vortex matter in amorphous MoGe films

DOI Web Site Web Site 被引用文献4件

書誌事項

公開日: 2008-04

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https://www.elsevier.com/tdm/userlicense/1.0/
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DOI

10.1016/j.physc.2007.11.022

公開者: Elsevier BV

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説明

Abstract We have investigated flow properties of a current driven, vortex lattice in amorphous MoGe films by mode locking (ML) experiment. ML is a dynamic resonance between a collective velocity modulation of “lattice mode” and a superimposed ac (rf) current on top of a dc current. Tracing the resonance features against magnetic field, we find two specific orientations of lattice flow with respect to the flow direction in the flux-flow state: one is an orientation characterized by a principal axis of the driven lattice parallel to the flow direction, and the other is another orientation where one of the lattice axes is perpendicular to the flow direction.