Simultaneous measurements of conductivity and magnetism by using microprobes and electron holography

Abstract

This study demonstrates a transmission electron microscopy based system that enables simultaneous measurements of conductivity and magnetism in a nanoscale area. A double-probe piezodriving holder is developed in order to determine the conductivity in any part of a thin-foil specimen. The conductivity measurement can be combined with electron holography, which can be used to obtain a magnetic flux map of the same area. This system can be applied extensively for the research and development of electronic and/or magnetic materials.