Jie Yong

Superfluid density measurements of Ba ( Co x Fe 1 − x ) 2 As 2 films near optimal doping

We report on direct measurements of superfluid density,

Robustness of the Berezinskii-Kosterlitz-Thouless transition in ultrathin NbN films near the superconductor-insulator transition

{n}_{s}(T)\ensuremath{\propto}{\ensuremath{\lambda}}^{\ensuremath{-}2}(T)

Ultrathin two-dimensional superconductivity with strong spin-orbit coupling.

, in films of Fe-pnictide superconductors. The magnetic penetration depth, \ensuremath{\lambda}(0), in our epitaxial, single-crystal

Evidence of two-dimensional quantum critical behavior in the superfluid density of extremely underdoped Bi2Sr2CaCu2O8+x

\mathrm{Ba}({\mathrm{Co}}_{x}{\mathrm{Fe}}_{1\ensuremath{-}x}){}_{2}{\mathrm{As}}_{2}

Superfluid Density Measurements of Bi2Sr2CaCu2O8+x Films from Optimal Doping to Strong Underdoping

films near optimal doping (

Penetration and de-pinning of vortices in sub-micrometer Ba(Fe,Co)2As2 thin film bridges

x

Comparison of 2-D Quantum and Thermal Critical Fluctuations of Underdoped Bi2Sr2CaCu2O8+δ with Ultrathin YBa2Cu3O7−δ

=

Unbiased Analysis of Super/Ferro Bilayer Physics

0.08) is 350 \ensuremath{-} 430 nm, comparable to bulk single crystals. The

Berezinsky– Kosterlitz– Thouless transition in ultrathin NbN films near superconductor-insulator transition

T