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Title: Neutron scattering study of spin ordering and stripe pinning in superconducting La 1.93 Sr 0.07 CuO 4

Abstract

The relationships among charge order, spin fluctuations, and superconductivity in underdoped cuprates remain controversial. We use neutron scattering techniques to study these phenomena in La 1.93 Sr 0.07 CuO 4 a superconductor with a transition temperature of T c = 20 K. At T<< T c, we find incommensurate spin fluctuations with a quasielastic energy spectrum and no sign of a gap within the energy range from 0.2 to 15 meV. A weak elastic magnetic component grows below ~ 10 K, consistent with results from local probes. Regarding the atomic lattice, we have discovered unexpectedly strong fluctuations of the CuO 6 octahedra about Cu-O bonds, which are associated with inequivalent O sites within the CuO 2 planes. Moreover, we observed a weak elastic (3 30) superlattice peak that implies a reduced lattice symmetry. The presence of inequivalent O sites rationalizes various pieces of evidence for charge stripe order in underdoped La 2-xSr xCuO 4. The coexistence of superconductivity with quasi-static spin-stripe order suggests the presence of intertwined orders; however, the rotation of the stripe orientation away from the Cu-O bonds might be connected with evidence for a finite gap at the nodal points of the superconducting gap function.

Authors:
 [1];  [1];  [2];  [2];  [3];  [1];  [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1240590
Alternate Identifier(s):
OSTI ID: 1226680; OSTI ID: 1286893
Report Number(s):
BNL-111750-2016-JA
Journal ID: ISSN 1098-0121; PRBMDO; R&D Project: PO010; KC0201060
Grant/Contract Number:  
SC00112704; AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 17; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Jacobsen, H., Zaliznyak, I. A., Savici, A. T., Winn, B. L., Chang, S., Hücker, M., Gu, G. D., and Tranquada, J. M. Neutron scattering study of spin ordering and stripe pinning in superconducting La1.93Sr0.07CuO4. United States: N. p., 2015. Web. doi:10.1103/PhysRevB.92.174525.
Jacobsen, H., Zaliznyak, I. A., Savici, A. T., Winn, B. L., Chang, S., Hücker, M., Gu, G. D., & Tranquada, J. M. Neutron scattering study of spin ordering and stripe pinning in superconducting La1.93Sr0.07CuO4. United States. doi:10.1103/PhysRevB.92.174525.
Jacobsen, H., Zaliznyak, I. A., Savici, A. T., Winn, B. L., Chang, S., Hücker, M., Gu, G. D., and Tranquada, J. M. Fri . "Neutron scattering study of spin ordering and stripe pinning in superconducting La1.93Sr0.07CuO4". United States. doi:10.1103/PhysRevB.92.174525. https://www.osti.gov/servlets/purl/1240590.
@article{osti_1240590,
title = {Neutron scattering study of spin ordering and stripe pinning in superconducting La1.93Sr0.07CuO4},
author = {Jacobsen, H. and Zaliznyak, I. A. and Savici, A. T. and Winn, B. L. and Chang, S. and Hücker, M. and Gu, G. D. and Tranquada, J. M.},
abstractNote = {The relationships among charge order, spin fluctuations, and superconductivity in underdoped cuprates remain controversial. We use neutron scattering techniques to study these phenomena in La1.93Sr0.07CuO4 a superconductor with a transition temperature of Tc = 20 K. At T<< Tc, we find incommensurate spin fluctuations with a quasielastic energy spectrum and no sign of a gap within the energy range from 0.2 to 15 meV. A weak elastic magnetic component grows below ~ 10 K, consistent with results from local probes. Regarding the atomic lattice, we have discovered unexpectedly strong fluctuations of the CuO6 octahedra about Cu-O bonds, which are associated with inequivalent O sites within the CuO2 planes. Moreover, we observed a weak elastic (3 ⁻30) superlattice peak that implies a reduced lattice symmetry. The presence of inequivalent O sites rationalizes various pieces of evidence for charge stripe order in underdoped La2-xSrxCuO4. The coexistence of superconductivity with quasi-static spin-stripe order suggests the presence of intertwined orders; however, the rotation of the stripe orientation away from the Cu-O bonds might be connected with evidence for a finite gap at the nodal points of the superconducting gap function.},
doi = {10.1103/PhysRevB.92.174525},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 17,
volume = 92,
place = {United States},
year = {2015},
month = {11}
}

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Works referenced in this record:

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Evidence of a critical hole concentration in underdoped YBa 2 Cu 3 O y single crystals revealed by 63 Cu NMR
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Magnetic order and superconductivity in La2$minus;xSrxCuO4: a review
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Spin-Glass Behavior in L a 1.96 S r 0.04 Cu O 4
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Systematic study of short-range antiferromagnetic order and the spin-glass state in lightly doped La 2 x Sr x CuO 4
journal, August 2000


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journal, May 1993


Landau theory of stripe phases in cuprates and nickelates
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Dimensional Crossover and Charge Order in Half-Doped Manganites and Cobaltites
journal, July 2003


Spin- and Pair-Density-Wave Glasses
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Magnetic, transport, and optical properties of monolayer copper oxides
journal, July 1998


Uniaxial linear resistivity of superconducting La 1.905 Ba 0.095 CuO 4 induced by an external magnetic field
journal, April 2012


Magnetic-Field-Induced Spin Excitations and Renormalized Spin Gap of the Underdoped La 1.895 Sr 0.105 CuO 4 Superconductor
journal, February 2007


Hidden Quantum Spin-Gap State in the Static Stripe Phase of High-Temperature La 2 x Sr x CuO 4 Superconductors
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Dynamical Layer Decoupling in a Stripe-Ordered High- T c Superconductor
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Role of nematic fluctuations in the thermal melting of pair-density-wave phases in two-dimensional superconductors
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Two-Dimensional Superconducting Fluctuations in Stripe-Ordered La 1.875 Ba 0.125 CuO 4
journal, August 2007


Josephson Plasmon and Inhomogeneous Superconducting State in L a 2 x S r x C u O 4
journal, October 2003


139 La NMR investigation in underdoped La 1.93 Sr 0.07 CuO 4
journal, May 2012


Interplay between lattice softening and high- T c superconductivity in La 1.86 Sr 0.14 CuO 4
journal, May 1993


Low-temperature structural transitions and T c suppression in La 2 x M x CuO 4 ( M =Ba, Sr)
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Direct observation of dynamic local structure in La 2 x Sr x CuO 4 around x = 0.12
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High-resolution x-ray diffraction study of La 1.88 y Sr 0.12 Nd y CuO 4
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Neutron Scattering Study of Soft Phonons and Diffuse Scattering in Insulating La 1.95 Sr 0.05 CuO 4
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In-plane and out-of-plane thermal conductivity of La2−æSræCuO4 single crystals
journal, December 1991


Heat transport of La 2 y Eu y CuO 4 and La 1.88 y Eu y Sr 0.12 CuO 4 single crystals
journal, May 2003


Quasi-two-dimensional spin and phonon excitations in La 1.965 Ba 0.035 CuO 4
journal, June 2015


Two-Dimensional Orbital-Like Magnetic Order in the High-Temperature La 2 x Sr x CuO 4 Superconductor
journal, July 2010


Distinguishing patterns of charge order: Stripes or checkerboards
journal, October 2006


Magic Doping Fractions for High-Temperature Superconductors
journal, May 2005


Pairing symmetry in cuprate superconductors
journal, October 2000


Evolution from a Nodeless Gap to d x 2 y 2 -Wave in Underdoped La 2 x Sr x CuO 4
journal, January 2013


Theory of the striped superconductor
journal, February 2009


Spectral signatures of modulated d -wave superconducting phases
journal, May 2008


Impurity-induced quasiparticle transport and universal-limit Wiedemann-Franz violation in d -wave superconductors
journal, July 2000


Thermal conductivity across the phase diagram of cuprates: Low-energy quasiparticles and doping dependence of the superconducting gap
journal, May 2003


Field-Induced Thermal Metal-to-Insulator Transition in Underdoped L a 2 x S r x C u O 4 + δ
journal, May 2003


Magnetic-Field-Induced Localization of Quasiparticles in Underdoped L a 2 x S r x C u O 4 Single Crystals
journal, March 2003


Quasiparticle Heat Transport in Mixed State of High- T c Superconductors
journal, August 2004

  • Takigawa, Mitsuaki; Ichioka, Masanori; Machida, Kazushige
  • Journal of the Physical Society of Japan, Vol. 73, Issue 8
  • DOI: 10.1143/JPSJ.73.2049

    Works referencing / citing this record:

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    • Verma, Sanjeev K.; Gupta, Anushri; Kumari, Anita
    • Journal of Low Temperature Physics, Vol. 196, Issue 5-6
    • DOI: 10.1007/s10909-019-02199-2

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