RT Journal Article
T1 Disorder-controlled superconductivity at YBa_(2)Cu_(3)O_(7)/SrTiO_(3) interfaces
A1 Garcia Barriocanal, Javier
A1 Pérez Muñoz, Ana Mª
A1 Sefrioui, Zouhair
A1 Arias Serna, Diego
A1 Varela del Arco, María
A1 León Yebra, Carlos
A1 Pennycook, Stephen J.
A1 Santamaría Sánchez-Barriga, Jacobo
AB We examine the effect of interface disorder in suppressing superconductivity in coherently grown ultrathin YBa_(2)Cu_(3)O_(7) (YBCO) layers on SrTiO_(3) (STO) in YBCO/STO superlattices. The termination plane of the STO is TiO_(2) and the CuO chains are missing at the interface. Disorder (steps) at the STO interface cause alterations of the stacking sequence of the intracell YBCO atomic layers. Stacking faults give rise to antiphase boundaries which break the continuity of the CuO_(2) planes and depress superconductivity. We show that superconductivity is directly controlled by interface disorder outlining the importance of pair breaking and localization by disorder in ultrathin layers.
PB American Physical Society
SN 1098-0121
YR 2013
FD 2013-06-11
LK https://hdl.handle.net/20.500.14352/34666
UL https://hdl.handle.net/20.500.14352/34666
LA eng
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NO © 2013 American Physical Society. We acknowledge financial support by Spanish MINECO through Grants No. MAT2011-27470-C02 and Consolider Ingenio 2010 No. CSD2009-00013 (Imagine), and the World Wide Materials Program, by CAM through Grant No. S2009/MAT-1756 (Phama), and by the ERC starting Investigator Award, Grant No. 239739 STEMOX (GSS). Research at Oak Ridge National Laboratory was sponsored by the US Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division. J.G.B. acknowledges financial support through the Ramon y Cajal Program.
NO Comunidad de Madrid
NO Ministerio de Economía y competitividad (MINECO)
NO Consolider Ingenio 2010
NO World Wide Materials Program
NO ERC starting Investigator Award
NO US Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division
NO Ramon y Cajal Program
DS Docta Complutense
RD 29 abr 2024