Abstract
Using molecular beam epitaxy, we synthesize atomically smooth thin films, multilayers and superlattices of cuprate high-temperature superconductors (HTS). Such heterostructures enable novel experiments that probe the basic physics of HTS. For example, we have established that HTS and antiferromagnetic phases separate on Ångstrom scale, while the pseudo-gap state apparently mixes with HTS over an anomalously large length scale (“Giant Proximity Effect”). Here, we briefly review our most recent experiments on such films and superlattices. The new results include an unambiguous demonstration of strong coupling of in-plane charge excitations to out-of-plane lattice vibrations and the discovery of interface HTS.
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Božović, I., Gozar, A., Logvenov, G. et al. Insights in High-Temperature Superconductivity from the Study of Films and Heterostructures Synthesized by Molecular Beam Epitaxy. J Supercond Nov Magn 22, 223–227 (2009). https://doi.org/10.1007/s10948-008-0418-9
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DOI: https://doi.org/10.1007/s10948-008-0418-9