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Title: Emerging Diluted Ferromagnetism in High-Tc Superconductors Driven by Point Defect Clusters

Abstract

Here, defects in ceramic materials are generally seen as detrimental to their functionality and applicability. Yet, in some complex oxides, defects present an opportunity to enhance some of their properties or even lead to the discovery of exciting physics, particularly in the presence of strong correlations. A paradigmatic case is the high–temperature superconductor YBa2Cu3O7–δ (Y123), in which nanoscale defects play an important role as they can immobilize quantized magnetic flux vortices. Here previously unforeseen point defects buried in Y123 thin films that lead to the formation of ferromagnetic clusters embedded within the superconductor are unveiled. Aberration–corrected scanning transmission microscopy has been used for exploring, on a single unit–cell level, the structure and chemistry resulting from these complex point defects, along with density functional theory calculations, for providing new insights about their nature including an unexpected defect–driven ferromagnetism, and X–ray magnetic circular dichroism for bearing evidence of Cu magnetic moments that align ferromagnetically even below the superconducting critical temperature to form a dilute system of magnetic clusters associated with the point defects.

Authors:
 [1];  [1];  [2];  [3];  [4];  [5];  [4];  [1];  [1];  [6];  [6];  [6];  [6];  [7];  [8];  [1];  [1]
  1. Institut de Ciencia de Materials de Barcelona, Barcelona (Spain)
  2. Vanderbilt Univ., Nashville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Washington Univ. St. Louis, St. Louis, MO (United States)
  3. Escola Univ. Salesiana de Sarria, Barcelona (Spain)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. Complutense de Madrid, Madrid (Spain)
  5. Univ. de Zaragoza, Zaragoza (Spain)
  6. ALBA Synchrotron Light Source, Cerdanyola del Valles (Spain)
  7. Univ. of Singapore, (Singapore)
  8. Vanderbilt Univ., Nashville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center; Vanderbilt Univ., Nashville, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1461628
Alternate Identifier(s):
OSTI ID: 1597768
Grant/Contract Number:  
FG02-09ER46554; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Science
Additional Journal Information:
Journal Volume: 3; Journal Issue: 6; Journal ID: ISSN 2198-3844
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; magnetism; nanostructures; STEM-EELS; superconductivity; XMCD

Citation Formats

Gazquez, Jaume, Guzman, Roger., Mishra, Rohan, Bartolome, Elena, Salafranca, Juan, Magen, Cesar, Varela, Maria, Coll, Mariona, Palau, Anna, Valvidares, S. Manuel, Gargiani, Pierluigi, Pellegrin, Eric, Herrero-Martin, Javier, Pennycook, Stephen J., Pantelides, Sokrates T., Puig, Teresa, and Obradors, Xavier. Emerging Diluted Ferromagnetism in High-Tc Superconductors Driven by Point Defect Clusters. United States: N. p., 2016. Web. doi:10.1002/advs.201500295.
Gazquez, Jaume, Guzman, Roger., Mishra, Rohan, Bartolome, Elena, Salafranca, Juan, Magen, Cesar, Varela, Maria, Coll, Mariona, Palau, Anna, Valvidares, S. Manuel, Gargiani, Pierluigi, Pellegrin, Eric, Herrero-Martin, Javier, Pennycook, Stephen J., Pantelides, Sokrates T., Puig, Teresa, & Obradors, Xavier. Emerging Diluted Ferromagnetism in High-Tc Superconductors Driven by Point Defect Clusters. United States. doi:10.1002/advs.201500295.
Gazquez, Jaume, Guzman, Roger., Mishra, Rohan, Bartolome, Elena, Salafranca, Juan, Magen, Cesar, Varela, Maria, Coll, Mariona, Palau, Anna, Valvidares, S. Manuel, Gargiani, Pierluigi, Pellegrin, Eric, Herrero-Martin, Javier, Pennycook, Stephen J., Pantelides, Sokrates T., Puig, Teresa, and Obradors, Xavier. Tue . "Emerging Diluted Ferromagnetism in High-Tc Superconductors Driven by Point Defect Clusters". United States. doi:10.1002/advs.201500295. https://www.osti.gov/servlets/purl/1461628.
@article{osti_1461628,
title = {Emerging Diluted Ferromagnetism in High-Tc Superconductors Driven by Point Defect Clusters},
author = {Gazquez, Jaume and Guzman, Roger. and Mishra, Rohan and Bartolome, Elena and Salafranca, Juan and Magen, Cesar and Varela, Maria and Coll, Mariona and Palau, Anna and Valvidares, S. Manuel and Gargiani, Pierluigi and Pellegrin, Eric and Herrero-Martin, Javier and Pennycook, Stephen J. and Pantelides, Sokrates T. and Puig, Teresa and Obradors, Xavier},
abstractNote = {Here, defects in ceramic materials are generally seen as detrimental to their functionality and applicability. Yet, in some complex oxides, defects present an opportunity to enhance some of their properties or even lead to the discovery of exciting physics, particularly in the presence of strong correlations. A paradigmatic case is the high–temperature superconductor YBa2Cu3O7–δ (Y123), in which nanoscale defects play an important role as they can immobilize quantized magnetic flux vortices. Here previously unforeseen point defects buried in Y123 thin films that lead to the formation of ferromagnetic clusters embedded within the superconductor are unveiled. Aberration–corrected scanning transmission microscopy has been used for exploring, on a single unit–cell level, the structure and chemistry resulting from these complex point defects, along with density functional theory calculations, for providing new insights about their nature including an unexpected defect–driven ferromagnetism, and X–ray magnetic circular dichroism for bearing evidence of Cu magnetic moments that align ferromagnetically even below the superconducting critical temperature to form a dilute system of magnetic clusters associated with the point defects.},
doi = {10.1002/advs.201500295},
journal = {Advanced Science},
number = 6,
volume = 3,
place = {United States},
year = {2016},
month = {3}
}

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Works referenced in this record:

Strongly enhanced current densities in superconducting coated conductors of YBa2Cu3O7–x + BaZrO3
journal, May 2004

  • MacManus-Driscoll, J. L.; Foltyn, S. R.; Jia, Q. X.
  • Nature Materials, Vol. 3, Issue 7, p. 439-443
  • DOI: 10.1038/nmat1156

Incoherent imaging using dynamically scattered coherent electrons
journal, June 1999


Experimental Confirmation of the X-Ray Magnetic Circular Dichroism Sum Rules for Iron and Cobalt
journal, July 1995


Antiferromagnetism and superconductivity: Determination of the Cu spin–spin relaxation time and the spin–lattice relaxation time in Gd1.5Ce0.5Sr2Cu2RuO10
journal, October 2009

  • Blackstead, H. A.; Yelon, W. B.; Smylie, M. P.
  • Solid State Communications, Vol. 149, Issue 39-40
  • DOI: 10.1016/j.ssc.2009.06.020

Projector augmented-wave method
journal, December 1994


Strain-driven broken twin boundary coherence in YBa 2 Cu 3 O 7−δ nanocomposite thin films
journal, February 2013

  • Guzman, R.; Gazquez, J.; Rouco, V.
  • Applied Physics Letters, Vol. 102, Issue 8
  • DOI: 10.1063/1.4793749

Magnetism at the interface between ferromagnetic and superconducting oxides
journal, April 2006

  • Chakhalian, J.; Freeland, J. W.; Srajer, G.
  • Nature Physics, Vol. 2, Issue 4
  • DOI: 10.1038/nphys272

Vortices in high-temperature superconductors
journal, October 1994


Ubiquitous long-range antiferromagnetic coupling across the interface between superconducting and ferromagnetic oxides
journal, November 2014

  • De Luca, G. M.; Ghiringhelli, G.; Perroni, C. A.
  • Nature Communications, Vol. 5, Issue 1
  • DOI: 10.1038/ncomms6626

Irradiation-free, columnar defects comprised of self-assembled nanodots and nanorods resulting in strongly enhanced flux-pinning in YBa2Cu3O7−δ films
journal, October 2005

  • Goyal, A; Kang, S; Leonard, K. J.
  • Superconductor Science and Technology, Vol. 18, Issue 11, p. 1533-1538
  • DOI: 10.1088/0953-2048/18/11/021

X-ray circular dichroism and local magnetic fields
journal, February 1993


Nanoscale strain-induced pair suppression as a vortex-pinning mechanism in high-temperature superconductors
journal, February 2012

  • Llordés, A.; Palau, A.; Gázquez, J.
  • Nature Materials, Vol. 11, Issue 4
  • DOI: 10.1038/nmat3247

Materials science challenges for high-temperature superconducting wire
journal, September 2007

  • Foltyn, S. R.; Civale, L.; MacManus-Driscoll, J. L.
  • Nature Materials, Vol. 6, Issue 9, p. 631-642
  • DOI: 10.1038/nmat1989

Atomic-resolution imaging of oxidation states in manganites
journal, February 2009


Ab initiomolecular dynamics for liquid metals
journal, January 1993


Native point defects in binary InP semiconductors
journal, June 2012

  • Mishra, Rohan; Restrepo, Oscar D.; Kumar, Ashutosh
  • Journal of Materials Science, Vol. 47, Issue 21
  • DOI: 10.1007/s10853-012-6595-8

Progress towards all-chemical superconducting YBa 2 Cu 3 O 7 -coated conductors
journal, January 2006


Domain Dynamics During Ferroelectric Switching
journal, November 2011


Strong isotropic flux pinning in solution-derived YBa2Cu3O7−x nanocomposite superconductor films
journal, April 2007

  • Gutiérrez, J.; Llordés, A.; Gázquez, J.
  • Nature Materials, Vol. 6, Issue 5
  • DOI: 10.1038/nmat1893

Relation between the angular dependence of magnetic x-ray dichroism and anisotropic ground-state moments
journal, March 1998


High-resolution Z-contrast imaging of crystals
journal, August 1991


STEM_CELL: A software tool for electron microscopy: Part I—simulations
journal, February 2013


Artificial pinning center technology to enhance vortex pinning in YBCO coated conductors
journal, December 2009


Long-range ferromagnetic ordering in manganese-doped two-dimensional dichalcogenides
journal, October 2013


Research Update: Plentiful magnetic moments in oxygen deficient SrTiO 3
journal, October 2015

  • Lopez-Bezanilla, Alejandro; Ganesh, P.; Littlewood, Peter B.
  • APL Materials, Vol. 3, Issue 10
  • DOI: 10.1063/1.4932347

The influence of growth conditions on the microstructure and critical currents of TFA-MOD YBa 2 Cu 3 O 7 films
journal, July 2005


Special points for Brillouin-zone integrations
journal, June 1976

  • Monkhorst, Hendrik J.; Pack, James D.
  • Physical Review B, Vol. 13, Issue 12, p. 5188-5192
  • DOI: 10.1103/PhysRevB.13.5188

From quantum matter to high-temperature superconductivity in copper oxides
journal, February 2015

  • Keimer, B.; Kivelson, S. A.; Norman, M. R.
  • Nature, Vol. 518, Issue 7538
  • DOI: 10.1038/nature14165

Materials Characterization in the Aberration-Corrected Scanning Transmission Electron Microscope
journal, August 2005


Localization in elastic and inelastic scattering
journal, September 2003


Chemical potential dependence of defect formation energies in GaAs: Application to Ga self-diffusion
journal, October 1991


Accuracy of the spin sum rule in XMCD for the transition-metal L edges from manganese to copper
journal, November 2009


Ab initio molecular-dynamics simulation of the liquid-metal–amorphous-semiconductor transition in germanium
journal, May 1994


Intense paramagnon excitations in a large family of high-temperature superconductors
journal, July 2011

  • Le Tacon, M.; Ghiringhelli, G.; Chaloupka, J.
  • Nature Physics, Vol. 7, Issue 9
  • DOI: 10.1038/nphys2041

A ten-year perspective on dilute magnetic semiconductors and oxides
journal, November 2010


Mapping chemical and bonding information using multivariate analysis of electron energy-loss spectrum images
journal, October 2006


Weak magnetism in insulating and superconducting cuprates
journal, December 2010


Acid anhydrides: a simple route to highly pure organometallic solutions for superconducting films
journal, April 2006


Solution-derived YBa 2 Cu 3 O 7 nanocomposite films with a Ba 2 YTaO 6 secondary phase for improved superconducting properties
journal, November 2012


Growth, nanostructure and vortex pinning in superconducting YBa 2 Cu 3 O 7 thin films based on trifluoroacetate solutions
journal, October 2012


High-Tc superconducting materials for electric power applications
journal, November 2001

  • Larbalestier, David; Gurevich, Alex; Feldmann, D. Matthew
  • Nature, Vol. 414, Issue 6861
  • DOI: 10.1038/35104654

Atomic-scale imaging of individual dopant atoms and clusters in highly n-type bulk Si
journal, April 2002

  • Voyles, P. M.; Muller, D. A.; Grazul, J. L.
  • Nature, Vol. 416, Issue 6883
  • DOI: 10.1038/416826a

Magnetization of Pt 13 clusters supported in a NaY zeolite: A XANES and XMCD study
journal, July 2009


Giant spin and orbital moment anisotropies of a Cu-phthalocyanine monolayer
journal, July 2010


Rationale for mixing exact exchange with density functional approximations
journal, December 1996

  • Perdew, John P.; Ernzerhof, Matthias; Burke, Kieron
  • The Journal of Chemical Physics, Vol. 105, Issue 22, p. 9982-9985
  • DOI: 10.1063/1.472933

X-ray circular dichroism as a probe of orbital magnetization
journal, March 1992


Addition of nanoparticle dispersions to enhance flux pinning of the YBa2Cu3O7-x superconductor
journal, August 2004