Electrostatic Control of the Evolution from a Superconducting Phase to an <?format ?>Insulating Phase in Ultrathin Films

X Leng, J Garcia-Barriocanal, S Bose, Y Lee… - Physical review …, 2011 - APS
The electrical transport properties of ultrathin YBa 2 Cu 3 O 7-x films have been modified
using an electric double layer transistor configuration employing an ionic liquid. A clear …

Ferromagnetic/superconducting proximity effect in superlattices

Z Sefrioui, D Arias, V Pena, JE Villegas, M Varela… - Physical Review B, 2003 - APS
We study the interplay between magnetism and superconductivity in high-quality YBa 2 Cu 3
O 7 (YBCO)/La 0.7 Ca 0.3 MnO 3 (LCMO) superlattices. We find evidence for the YBCO …

Giant magnetoresistance in ferromagnet/superconductor superlattices

V Pena, Z Sefrioui, D Arias, C Leon, J Santamaria… - Physical review …, 2005 - APS
We show magnetoresistance in excess of 1000% in trilayers containing highly spin-
polarized L a 0.7 C a 0.3 M n O 3 and high-T c superconducting YB a 2 C u 3 O 7. This large …

Coupling of superconductors through a half-metallic ferromagnet: Evidence for a long-range proximity effect

V Pena, Z Sefrioui, D Arias, C Leon, J Santamaria… - Physical Review B …, 2004 - APS
Here we examine the ferromagnetic/superconducting proximity effect in half-metallic
ferromagnetic La 0.7 Ca 0.3 MnO 3 and high-T c superconducting YBa 2 Cu 3 O 7 artificial …

''Charge Leakage''at LaMnO_3/SrTiO_3 Interfaces

Epitaxial interfaces between complex oxides are of increasing interest due to the possibility
of tailoring their electronic structures to display novel behaviors and functionalities.[1–7] At …

Transport properties of ultrathin nanowires: A route to single-photon detection

R Arpaia, D Golubev, R Baghdadi, R Ciancio, G Dražić… - Physical Review B, 2017 - APS
We report on the growth and characterization of ultrathin YBa 2 Cu 3 O 7− δ (YBCO) films on
MgO (110) substrates, which exhibit superconducting properties at thicknesses down to 3 …

Ferroelectric control of interface spin filtering in multiferroic tunnel junctions

J Tornos, F Gallego, S Valencia, YH Liu, V Rouco… - Physical review …, 2019 - APS
The electronic reconstruction occurring at oxide interfaces may be the source of interesting
device concepts for future oxide electronics. Among oxide devices, multiferroic tunnel …

Precise Tuning of (YBa2Cu3O7‐δ)1‐x:(BaZrO3)x Thin Film Nanocomposite Structures

R Zhao, W Li, JH Lee, EM Choi, Y Liang… - Advanced Functional …, 2014 - Wiley Online Library
Self‐assembled nanocomposite films and coatings have huge potential for many functional
and structural applications. However, control and manipulation of the nanostructures is still …

Superconductivity depression in ultrathin layers in superlattices

Z Sefrioui, M Varela, V Pena, D Arias, C Leon… - Applied physics …, 2002 - pubs.aip.org
We report on the depression of the superconducting critical temperature of ultrathin YBa 2
Cu 3 O 7 (YBCO) layers, when their thickness is reduced in the presence of La 0.7 Ca 0.3 …

Spin diffusion versus proximity effect at ferromagnet/superconductor interfaces

V Peña, C Visani, J Garcia-Barriocanal, D Arias… - Physical Review B …, 2006 - APS
We report on the interplay between magnetism and superconductivity in La 0.7 Ca 0.3 MnO
3∕ YBa 2 Cu 3 O 7 structures. We have grown heterostructures (bilayers and trilayers) with …