Nanowerk September 13, 2021
An international team of researchers (USA – Argonne National Laboratory, University of Chicago, Israel) explored confined transport using a patterned structure in titania films, with feature sizes of 11–20 nm. They described how confinement changes the competing charge transport mechanisms, the patterned antidot array leads to displacement fields and confines the charge density that results in modified and emergent electron transport with an increase in conductivity. This emergent behavior can be described by considering electron interference effects. Characterization of the charge transport with electron holography and impedance spectroscopy, and through comparison with modeling, showed that nanoscale confinement is a way to control quantum interference. In the future, if researchers can better understand what gives rise to the increase in conductivity, they could potentially find ways to control electrical or optical properties and harness this information for quantum information processing…read more. TECHNICAL ARTICLE
