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Probing the depths of battery heterogeneity
Three-dimensional optical imaging during battery operation reveals lithium heterogeneity at multiple length scales, challenging the look-at-one-particle approach.
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Fictitious phase separation in Li layered oxides driven by electro-autocatalysis
Layered oxides widely used as lithium-ion battery electrodes are designed to be cycled under conditions that avoid phase transitions. Although the desired single-phase composition ranges are well established n...
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Charge-transport model for conducting polymers
The growing technological importance of conducting polymers makes the fundamental understanding of their charge transport extremely important for materials and process design. Various hop** and mobility edge...
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Thermoelectric imaging of structural disorder in epitaxial graphene
Heat is a familiar form of energy transported from a hot side to a colder side of an object, but not a notion associated with microscopic measurements of electronic properties. A temperature difference within ...