Perpendicular transport properties of YBa₂Cu₃O_(7-δ)/PrBa₂Cu₃O_(7-δ) superlattices
classification
❄️ cond-mat.supr-con
cond-mat.mtrl-sci
keywords
deltac-axissuperconductingsuperlatticestransportyba2cu3obeenchanging
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The coupling between the superconducting planes of YBa2Cu3O{7-\delta}/ PrBa2Cu3O{7-\delta} superlattices has been measured by c-axis transport. We show that only by changing the thickness of the superconducting YBa2Cu3O{7-\delta} layers, it is possible to switch between quasi-particle and Josephson tunneling. From our data we deduce a low temperature c-axis coherence length of 0.27 nm.
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