YBaCuO nanobridges and inductively shunted dc-SQUIDS have been patterned by direct Focused Ion Beam milling. ~anobridges manifest true Josephson effect, which can be expla~ned by coherent motion of Abrikosov vortices in the bridge. An enhancement of this effect is proposed to be due to local suppression of the superconducting properties within the nanobridge area. This leads to a transition from SNS to SS'S type b e h a v i~~ of the nano ridge with decreasing temperature. TempErature d e~e n d~n c e of the critical current, dynamic resistance, and SQUID voltage-flux modulation is discussed. The flux noise level of the nanoSQUID is measured to be about 6.5 p@&€z at 62.7 K.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.