Ionic liquid gating of ultra-thinYBa${}_2$Cu${}_3$O${}_{7-x}$ films

Abstract

In this paper, we present a detailed investigation of the self-field transport properties of an ionic liquid gated ultra-thin YBa${}_2$Cu${}_3$O${}_{7-x}$ film. From the high temperature dynamic of the resistivity ($>220\text{ K}$) different scenarios pertaining to the interaction between the liquid and the thin film are proposed. From the low temperature evolution of $J_{\text{c}}$ and $T_{\text{c}}$ a comparison between the behavior of our system and the standard properties of YBCO is drawn.

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