skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Nanoscale interplay of strain and doping in a high-temperature superconductor

Journal Article · · Nano Letters
DOI:https://doi.org/10.1021/nl501890k· OSTI ID:1182521
 [1];  [2];  [3];  [4];  [5];  [4];  [6];  [2];  [2];  [7];  [8];  [8];  [4]
  1. Harvard Univ., Cambridge, MA (United States); Boston College, Chestnut Hills, MA (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Tampere Univ. of Technology (Finland); Northeastern Univ., Boston, MA (United States)
  4. Harvard Univ., Cambridge, MA (United States)
  5. National Tsing Hua Univ., Hsinchu (Taiwan)
  6. National Tsing Hua Univ., Hsinchu (Taiwan); Academia Sinica, Taipei (Taiwan)
  7. Academia Sinica, Taipei (Taiwan); Northeastern Univ., Boston, MA (United States)
  8. Northeastern Univ., Boston, MA (United States)

The highest temperature superconductors are electronically inhomogeneous at the nanoscale, suggesting the existence of a local variable which could be harnessed to enhance the superconducting pairing. Here we report the relationship between local doping and local strain in the cuprate superconductor Bi₂Sr₂CaCu₂O₈₊x. We use scanning tunneling microscopy to discover that the crucial oxygen dopants are periodically distributed, in correlation with local strain. Our picoscale investigation of the intra-unit-cell positions of all oxygen dopants provides essential structural input for a complete microscopic theory.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1182521
Report Number(s):
BNL-107519-2015-JA; R&D Project: PO010; KC0201060
Journal Information:
Nano Letters, Vol. 14, Issue 12; ISSN 1530-6984
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 19 works
Citation information provided by
Web of Science

References (31)

Inherent inhomogeneities in tunneling spectra of Bi 2 Sr 2 CaCu 2 O 8 x crystals in the superconducting state journal August 2001
Microscopic electronic inhomogeneity in the high-Tc superconductor Bi2Sr2CaCu2O8+x journal September 2001
Imaging the granular structure of high-Tc superconductivity in underdoped Bi2Sr2CaCu2O8+δ journal January 2002
Interplay of electron–lattice interactions and superconductivity in Bi2Sr2CaCu2O8+δ journal August 2006
Visualizing pair formation on the atomic scale in the high-Tc superconductor Bi2Sr2CaCu2O8+δ journal May 2007
Interplay of chemical disorder and electronic inhomogeneity in unconventional superconductors journal January 2013
Imaging the impact on cuprate superconductivity of varying the interatomic distances within individual crystal unit cells journal February 2008
Doping-induced inhomogeneity in high-Tc superconductors journal September 2001
Dopant-Modulated Pair Interaction in Cuprate Superconductors journal October 2005
Doping dependence of gap inhomogeneities at Bi 2 Sr 2 CaCu 2 O 8+ δ surfaces journal March 2012
Apex oxygen and critical temperature in copper oxide superconductors: Universal correlation with the stability of local singlets journal February 1991
Effective single-band models for the high- T c cuprates. II. Role of apical oxygen journal April 1996
Band-Structure Trend in Hole-Doped Cuprates and Correlation with T c max journal July 2001
The Origin of Tc Enhancement in Heterostructure Cuprate Superconductors journal October 2011
Origin of the Spatial Variation of the Pairing Gap in Bi-Based High Temperature Cuprate Superconductors journal December 2008
X-ray analysis of the incommensurate modulation in the 2:2:1:2 Bi-Sr-Ca-Cu-O superconductor including the oxygen atoms journal July 1990
Origin of the incommensurate modulation of the 80-K superconductor Bi 2 Sr 2 CaCu 2 O 8.21 derived from isostructural commensurate Bi 10 Sr 15 Fe 10 O 46 journal October 1989
A New High-Temperature Superconductor: Bi2Sr3-x Cax Cu2O8+y journal February 1988
Scanning tunnelling microscopy imaging of symmetry-breaking structural distortion in the bismuth-based cuprate superconductors journal May 2012
Correlating Off-Stoichiometric Doping and Nanoscale Electronic Inhomogeneity in the High- T c Superconductor Bi 2 Sr 2 CaCu 2 O 8 + δ journal February 2007
Imaging the Impact of Single Oxygen Atoms on Superconducting Bi2+ySr2-yCaCu2O8+x journal July 2012
Atomic-Scale Sources and Mechanism of Nanoscale Electronic Disorder in Bi2Sr2CaCu2O8+  journal August 2005
Strong Dependence of the Superconducting Gap on Oxygen Doping from Tunneling Measurements on Bi 2 Sr 2 CaCu 2 O 8 δ journal January 1998
Superconducting gap variations induced by structural supermodulation in Bi 2 Sr 2 Ca Cu 2 O 8 journal July 2007
Local Electronic Structure of Bi 2 Sr 2 CaCu 2 O 8 near Oxygen Dopants: A Window on the High- T c Pairing Mechanism journal May 2006
Rietveld analysis of the modulated structure in the superconducting oxide Bi 2 (Sr,Ca ) 3 Cu 2 O 8 + x journal September 1990
Refinement of the incommensurate structure of high quality Bi-2212 single crystals from a neutron diffraction study journal January 1998
Intra-unit-cell electronic nematicity of the high-Tc copper-oxide pseudogap states journal July 2010
Effect of chemical inhomogeneity in bismuth-based copper oxide superconductors journal February 2004
Observations of electronic inhomogeneity in heavily Pb-doped Bi 2 Sr 2 CaCu 2 O y single crystals by scanning tunneling microscopy journal June 2003
Enhancement of the critical temperature in cuprate superconductors by inhomogeneous doping journal September 2011

Cited By (4)

Artificially engineered nanostrain in FeSexTe1-x superconductor thin films for supercurrent enhancement journal January 2020
Multiple Electronic Components and Lifshitz Transitions by Oxygen Wires Formation in Layered Cuprates and Nickelates journal January 2019
Noisy defects in the high-Tc superconductor Bi2Sr2CaCu2O8+x journal February 2019
Visualization of Dopant Oxygen Atoms in a Bi 2 Sr 2 CaCu 2 O 8+ δ Superconductor journal September 2019