X-rays writing/reading of Charge Density Waves in the CuO2 plane of a simple cuprate superconductor

Abstract

It is now well established that superconductivity in cuprates competes with charge modulations giving electronic phase separation at a nanoscale. More specifically, superconducting electronic current takes root in the available free space left by electronic charge ordered domains, called charge density wave (CDW) puddles. This means that CDW domain arrangement plays a fundamental role in the mechanism of high temperature superconductivity in cuprates. Here we report about the possibility of controlling the population and spatial organization of the charge density wave puddles in a single crystal La2CuO4+y through X - ray illumination and thermal treatments. We apply a pump - probe method based on X - ray illumination as pump and X - ray diffraction as a probe setting a writing and reading procedure of CDW puddles. Our findings are expected to allow new routes for advanced design and manipulation of superconducting pathways in new electronics.

arXiv comment11 Pages 4 figures

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Cited by in corpus (8)

• Evolution of Complexity in Out-of-Equilibrium Systems by Time-Resolved or Space-Resolved Synchrotron Radiation Techniques
• Functional Nanoscale Phase Separation and Intertwined Order in Quantum Complex Materials
• Direct Visualization of Spatial inhomogeneity of Spin Stripes Order in La1.72Sr0.28NiO4
• Nanoscale inhomogeneity of charge density waves dynamics in La${}_{2-x}$Sr${}_x$NiO${}_4$
• Scale free distribution of oxygen interstitials wires in optimum doped HgBa${}_2$CuO${}_{4+y}$
• Correlated disorder in myelinated axons orientational geometry and structure
• Formation of Spatial Patterns by Spin-selective Excitations of Interacting Fermions
• VUV Pump and probe of phase separation and oxygen interstitials in La2NiO4+y using spectromicroscopy