In-operando positron experiments on copper reveal a reversible, current-induced vacancy population exceeding thermal equilibrium by over 10^6 times, supporting a defect-mediated non-equilibrium contribution to the flash state.
I.et al.Electrical characteristics of flash sintering: thermal runaway of Joule heating.J
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Electrically switchable vacancy state revealed by in-operando positron experiments
In-operando positron experiments on copper reveal a reversible, current-induced vacancy population exceeding thermal equilibrium by over 10^6 times, supporting a defect-mediated non-equilibrium contribution to the flash state.