Stabilization of three-dimensional charge order in YBa${}_2$Cu${}_3$O${}_{6+x}$ via epitaxial growth

Abstract

Incommensurate charge order (CO) has been identified as the leading competitor of high-temperature superconductivity in all major families of layered copper oxides, but the perplexing variety of CO states in different cuprates has confounded investigations of its impact on the transport and thermodynamic properties. The three-dimensional (3D) CO observed in YBa${}_2$Cu${}_3$O${}_{6+x}$ in high magnetic fields is of particular interest, because quantum transport measurements have revealed detailed information about the corresponding Fermi surface. Here we use resonant X-ray scattering to demonstrate 3D-CO in underdoped YBa${}_2$Cu${}_3$O${}_{6+x}$ films grown epitaxially on SrTiO${}_3$ in the absence of magnetic fields. The resonance profiles indicate that Cu sites in the charge-reservoir layers participate in the CO state, and thus efficiently transmit CO correlations between adjacent CuO${}_2$ bilayer units. The results offer fresh perspectives for experiments elucidating the influence of 3D-CO on the electronic properties of cuprates without the need to apply high magnetic fields.

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• Phonon collapse and van der Waals melting of the 3D charge density wave of VSe${}_2$
• Charge density waves in YBa${}_2$Cu${}_3$O${}_{6.67}$ probed by resonant x-ray scattering under uniaxial compression
• Restored strange metal phase through suppression of charge density waves in underdoped YBa${}_2$Cu${}_3$O${}_{7-\delta }$
• Dynamic electron correlations with charge order wavelength along all directions in the copper oxide plane
• Locally commensurate charge-density wave with three-unit-cell periodicity in YBCO
• Distinct fingerprints of charge density waves and electronic standing waves in ZrTe${}_3$
• Prevailing charge order in overdoped cuprates beyond the superconducting dome
• Untwinned YBa${}_2$Cu${}_3$O${}_{7-\delta }$ thin films on MgO substrates: a platform to study strain effects on the local orders in cuprates
• Stabilization of three-dimensional charge order through interplanar orbital hybridization in Pr${}_x$Y${}_{1-x}$Ba${}_2$Cu${}_3$O${}_{6+\delta }$
• Control of dopant crystallinity in electrochemically treated cuprate thin films
• Novel Cu-based dz2 order at a YBa2Cu3O7/ manganite interface
• Doping-dependent phonon anomaly and charge-order phenomena in the HgBa${}_2$CuO${}_{4+\delta }$ and HgBa${}_2$CaCu${}_2$O${}_{6+\delta }$
• Charge Order and Fluctuations in Bi${}_2$Sr${}_{2-x}$La${}_x$CuO${}_{6+\delta }$ Revealed by ${}^{63,65}$Cu-Nuclear Magnetic Resonance
• Approaching two-dimensional superconductivity in ultrathin DyBa${}_2$Cu${}_3$O${}_{7-\delta }$
• Interlayer couplings in cuprates: structural origins, analytical forms, and structural estimators
• Introducing new resonant soft x-ray scattering capability in SSRL
• On the intrinsic pinning and shape of charge-density waves in 1D Peierls systems
• Imprint of charge and oxygen orders on Dy ions in DyBa${}_2$Cu${}_3$O${}_{6+x}$ thin films probed by resonant x-ray scattering
• Dynamic charge order from strong correlations in the cuprates
• Resonant x-ray scattering study of charge-density wave correlations in YBa${}_2$Cu${}_3$O${}_{6+x}$ under uniaxial stress
• Light-Induced Metastable State in Charge-Ordered YBa${}_2$Cu${}_3$O${}_{6+x}$
• Engineering underdoped CuO${}_2$ nanoribbons in nm-thick $a$-axis YBa${}_2$Cu${}_3$O${}_{7-\delta }$ films
• Charge order in the Pr substituted YBa${}_2$Cu${}_3$O${}_7$ from high-field Hall effect measurements