Accessing low-energy magnetic microstates in symmetry-broken isolated square artificial spin ice vertices with magnetic field
Neeti Keswani,
Ranveer Singh,
Yoshikata Nakajima
et al.
Abstract:In artificial spin ice systems, an interplay of defects and dipolar interactions is expected to play important roles in stabilizing different collective magnetic states. In this work, we investigated the magnetization reversal of individual defective square artificial spin ice vertices where defects break four-fold rotational symmetry of the system. By varying the angle between the applied field and the geometrical axis of the vertices, we observe a change in energy landscape of the system resulting into the s… Show more
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