Oxide Molecular Beam Epitaxy Group

Group Members

Vladimir Butko

Member of MBE Group from 2004 to 2008

Current Position

Senior Research Scientist
Ioffe Physical Technical Institute

Publications in high-impact journals while in the MBE Group

H. Zhou, Y. Yacoby, V. Y. Butko, G. Logvenov, I. Bozovic and R. Pindak. “Anomalous expansion of the copper-apical-oxygen distance in superconducting cuprate bilayers.” Proceedings of the National Academy of Sciences 107, 8103-8107 (2010). Authors' version from arXiv (PDF) (may not exactly match published article) Article's page on arXiv Article's page on Proceedings of the National Academy of Sciences website DOI: 10.1073/pnas.0914702107

V. Y. Butko, G. Logvenov, N. Bozovic, Z. Radovic and I. Bozovic. “Madelung Strain in Cuprate Superconductors - A Route to Enhancement of the Critical Temperature.” Advanced Materials 21, 3644 (2009). Abstract "Madelung Strain" in cuprate films containing metal (M = La1.56Sr0.44CuO4) and insulator (I = La2CuO4) layers: X-ray diffraction shows that, unexpectedly, the volume of unit cell of the top layer adjusts to that of the bottom layer. The effect is due to long-range Coulomb forces; it affects interfacial superconductivity because the critical temperature scales with the unit-cell height. Authors' version (PDF) Supplemental materials (PDF) Article's page on Advanced Materials website DOI: 10.1002/adma.200803850

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Last Modified: July 1, 2013
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