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Electrochemical quartz crystal microbalance (QCM)

Dotted line: electrode potential, solid line: current, dashed line: EQCM frequency change
Pulse-reversed electrodeposition with QCM monitoring to make magnetic nanowires in a nanotemplate

Cobalt nanowires with high perpendicular magnetic anisotropy are formed in a diblock copolymer film template using a pulse-reversed voltage with QCM monitoring.  This in situ monitoring system along with the pulse-reversed field enables new control over the magnetic crystal growth.