'We have found a new way to switch electrical conduction in materials from on to off,' revealed author Berend Zwartsenberg, of UBC's Stewart Blusson Quantum Matter Institute (SBQMI).
Scientists in Canada have shown off a groundbreaking way of controlling electrical currents at will by altering the typical behaviour of electrons.
Materials are categorized as being conductors or insulators, depending on their ability to conduct electricity as electrons move through them—think copper wire vs rubber band. In Mott insulators, electrons are prevented from getting close to each other due to a phenomenon known as electrostatic repulsion, which essentially creates a traffic jam and limits the free flow of electrons, researchers explained in aUntil this new study, the only known ways of freeing up the traffic jam were changing the number of electrons in the material or reducing the strength of the repulsive interactions.
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