Tech Briefs Magazine - March 2021 - 35

Method Checks Electronic Properties of Oxide Materials
This method is an important step towards smaller, more advanced, environmentally
friendly electronics.
Norwegian University of Science and Technology, Trondheim, Norway

R

esearchers have found a new method
to check the electronic properties of
oxide materials by controlling the conductivity of materials at the nanoscale.
The method does not interfere with
other properties of the material, making
it possible to combine different functions in the same material - an important advance for nanoscale technology.
Controlling charged particles on a
minute scale is part of daily life - flipping a light switch or turning on an appliance. But on a much smaller nanoscale,
scientists are now routinely able to
manipulate the flow of electrons. This
opens up possibilities for even smaller
components in computers and mobile
phones that use barely any electricity.
A basic problem remains, however.
Nanoscale electronic components can be
simulated but some of the most promising concepts seem mutually exclusive -
multiple components cannot be combined to create a network. Utilizing
quantum phenomena requires extreme
precision to maintain the right ratio of
different substances in the material while
changing the chemical structure of the
material, which is necessary to create arti-

ficial synapses to simulate the properties
of nerve pathways.
The new approach is based on exploiting hidden irregularities at the atomic
level called anti-Frenkel defects. The re-

searchers created such defects themselves, enabling an insulating material to
become electrically conducting.
Defects in the material are related to
its various properties; however, the

Using hidden defects at the atomic level can
change the conductivity of the material while
also maintaining its structural integrity.
(Illustration: Nanolayers Research Computing)

Tech Briefs, March 2021

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Tech Briefs Magazine - March 2021

Table of Contents for the Digital Edition of Tech Briefs Magazine - March 2021

Tech Briefs Magazine - March 2021 - Intro
Tech Briefs Magazine - March 2021 - Cov4
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