Dark plasma regions reveal overlooked source of reactive atomic oxygen

edited by Sadie Harley , reviewed by Robert Egan

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Add as preferred source Boosting the availability of atomic oxygen for plasma treatments. The team discovered that reduced pressure plasma generation led to an extension of lifetime without sacrificing the amount of radical production, giving more available radicals when treating a target. Credit: Tokyo Metropolitan University Scientists from Tokyo Metropolitan University have found a way to make plasma more effective for its wide-ranging uses, from antimicrobial applications to surface conditioning in the semiconductor industry. They mapped the production of atomic oxygen, a key ingredient of oxygen plasma, while a high voltage was applied across oxygen gas.