Charge density waves and pinning by lattice anisotropy in 214 cuprates

Abstract

The detection of static charge density waves (CDWs) in La${}_{2-x}$Sr${}_x$CuO${}_4$ (LSCO) with x $\sim$ 0.12 at relatively high temperatures has raised the question of what lattice feature pins the CDWs. Some recent structural studies have concluded that some form of monoclinic distortion, indicated by the appearance of certain weak Bragg peaks (type M peaks) at otherwise forbidden positions, are responsible for CDW pinning. As a test of this idea, we present neutron diffraction results for a single crystal of La${}_{2-x}$Ba${}_x$CuO${}_4$ (LBCO) with x = 1/8, which is known to undergo two structural transitions on cooling, from high-temperature tetragonal (HTT) to low-temperature orthorhombic (LTO) near 240 K, involving a collective tilt pattern of the corner-sharing CuO${}_6$ octahedra, and from LTO to low temperature tetragonal (LTT) near 56 K, involving a new tilt pattern and the appearance of intensity at peaks of type T. We observe both type M and type T peaks in the LTT phase, while the type M peaks (but not type T) are still present in the LTO phase. Given that CDW order is observed only in the LTT phase of LBCO, it is apparent that the in-plane Cu-O bond anisotropy associated with the octahedral tilt pattern is responsible for charge pinning. We point out that evidence for a similar, but weaker, bond anisotropy has been observed previously in LSCO and should be responsible for CDW pinning there. In the case of LBCO, the monoclinic distortion may help to explain previously-reported magneto-optical evidence for gyrotropic order.

arXiv comment9 pages, 5 figures, 2 tables; accepted version

References in corpus (48)

• Mantid - Data Analysis and Visualization Package for Neutron Scattering and $\mu SR$ Experiments
• Theory of Intertwined Orders in High Temperature Superconductors
• CsV${}_3$Sb${}_5$: a ${\mathbb{Z}}_2$ topological kagome metal with a superconducting ground state
• Stripe phases in high-temperature superconductors
• Resonant x-ray scattering studies of charge order in cuprates
• Electron-phonon coupling reflecting dynamic charge inhomogeneity in copper-oxide superconductors
• The remarkable underlying ground states of cuprate superconductors
• Discovery of charge density wave in a correlated kagome lattice antiferromagnet
• Stripe order in superconducting La(2-x)Ba(x)CuO(4) for 0.095 <= x <= 0.155
• Stripe order, depinning, and fluctuations in La${}_{1.875}$Ba${}_{0.125}$CuO${}_4$ and La${}_{1.875}$Ba${}_{0.075}$Sr${}_{0.050}$CuO${}_4$
• Kagome superconductors AV${}_3$Sb${}_5$ (A=K, Rb, Cs)
• Superconductivity in pressurized trilayer La${}_4$Ni${}_3$O${}_{10-\delta }$ single crystals
• Local Magnetic Order vs. Superconductivity in a Layered Cuprate
• Charge density wave fluctuations in La2-xSrxCuO4 and their competition with superconductivity
• Evidence for unusual superconducting correlations coexisting with stripe order in La(1.875)Ba(0.125)CuO(4)
• Signature of superconductivity in pressurized La${}_4$Ni${}_3$O${}_{10}$
• Muon spin relaxation studies of incommensurate magnetism and superconductivity in stage-4 La${}_2$CuO${}_{4.11}$ and La${}_{1.88}$Sr${}_{0.12}$CuO${}_4$
• Intertwined density waves in a metallic nickelate
• Stacked Charge Stripes in Quasi-Two_Dimensional Trilayer Nickelate La4Ni3O8
• Phase diagram of charge order in La1.8-xEu0.2SrxCuO4 from resonant soft x-ray diffraction
• Charge density waves in cuprate superconductors beyond the critical doping
• Rotated stripe order and its competition with superconductivity in La${}_{1.88}$Sr${}_{0.12}$CuO${}_4$
• Observation of two types of charge density wave orders in superconducting La${}_{2-x}$Sr${}_x$CuO${}_4$
• High-temperature charge density wave correlations in La${}_{1.875}$Ba${}_{0.125}$CuO${}_4$ without spin-charge locking
• Kerr effect as evidence of gyrotropic order in the cuprates
• Spontaneous symmetry breaking by charge stripes in the high-pressure phase of superconducting La(1.875)Ba(0.125)CuO(4)
• Crystal structure and high-field magnetism of La2CuO4
• A Comparison of Stripe Modulations in La${}_{1.875}$Ba${}_{0.125}$CuO${}_4$ and La${}_{1.48}$Nd${}_{0.4}$Sr${}_{0.12}$CuO${}_4$
• Muon Spin Relaxation Studies of Magnetic-Field-Induced Effects in High-$T_c$ Superconductors
• Formation of Incommensurate Charge Density Waves in Cuprates
• Magneto-optical signatures of a cascade of transitions in La${}_2-x$Ba${}_x$CuO${}_4$
• Evidence of Chiral Order in the Charge-Ordered Phase of Superconducting La1.875Ba0.125Cuo4 Single Crystals Using Polar Kerr-Effect Measurements
• Generic character of charge and spin density waves in superconducting cuprates
• Neutron scattering study of spin ordering and stripe pinning in superconducting La${}_{1.93}$Sr${}_{0.07}$CuO${}_4$
• Reconciliation of local and long range tilt correlations in underdoped La2-xBaxCuO4
• Charge Order Lock-in by Electron-Phonon Coupling in La${}_{1.675}$Eu${}_{0.2}$Sr${}_{0.125}$CuO${}_4$
• Unusual Nernst effect suggestive of time-reversal violation in the striped cuprate La${}_{2-x}$Ba${}_x$CuO${}_4$
• Two-dimensional superconducting fluctuations associated with charge density wave stripes in La${}_{1.87}$Sr${}_{0.13}$Cu${}_{0.99}$Fe${}_{0.01}$O${}_4$
• Probing the connections between superconductivity, stripe order, and structure in La1.905Ba0.095Cu1-yZnyO4
• Distribution of the magnetic environment in charge ordered La${}_{1.885}$Sr${}_{0.115}$CuO${}_4$
• Fate of charge order in overdoped La-based cuprates
• Crystal Symmetry of Stripe Ordered La1.88Sr0.12CuO4
• Reinvestigation of crystal symmetry and fluctuations in La${}_2$CuO${}_4$
• Structural origins of the infamous "Low Temperature Orthorhombic" to "Low Temperature Tetragonal" phase transition in high-Tc cuprates
• Interplay between atomic fluctuations and charge density waves in La${}_{2-x}$Sr${}_x$CuO${}_4$
• Combined single crystal polarized XAFS and XRD at high pressure: probing the interplay between lattice distortions and electronic order at multiple length scales in high $T_c$ cuprates
• Tilted stripes origin in ${\mathrm{La}}_{1.88}{\mathrm{Sr}}_{0.12}{\mathrm{CuO}}_4$ revealed by anisotropic next-nearest neighbor hopping
• Precise dd excitations and commensurate intersite Coulomb interactions in the dissimilar cuprate YBa_2Cu_3O_(7-x) and La_(2-x)Sr_xCuO_4

Cited by in corpus (1)

• Contrasting $c$-axis and in-plane uniaxial stress effects on superconductivity and stripe order in La${}_{1.885}$Ba${}_{0.115}$CuO${}_4$