X-rays articles within Nature Materials

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    | Open Access

    Intense light pulses can induce symmetry breaking, as for the generation of ferroelectricity in SrTiO3. Using ultrafast X-ray diffuse scattering at a free-electron laser, nonlinear phonon interactions that occur on such mid-IR excitation are observed, with a theory for the dynamics presented.

    • M. Fechner
    • , M. Först
    •  & A. Cavalleri

  • News & Views |

    Irradiating a PbTiO3/SrTiO3 superlattice with ultrafast UV light pulses modifies elastic and electrostatic interactions, resulting in the formation of a stable complex 3D supercrystal.

    • J. M. Gregg

  • Article |

    Upon ultrafast irradiation, a (PbTiO3)/(SrTiO3) superlattice transforms into a complex supercrystal that contains periodicities of up to 30 nm in size and is stable in ambient. Creation and destruction, by heating, of the supercrystal is reversible.

    • V. A. Stoica
    • , N. Laanait
    •  & J. W. Freeland

  • News & Views |

    X-ray imaging in three dimensions is now possible from a set of 2D coherent Bragg diffraction patterns. This approach overcomes the necessity of having to rotate the sample for a 3D reconstruction.

    • Ian Robinson
    •  & Xiaojing Huang

  • News & Views |

    X-ray scattering measurements of liquid water down to temperatures at which it spontaneously converts to ice show no signs of the much debated transition from high-density to low-density structural order.

    • Alan K. Soper

  • News & Views |

    X-ray illumination can be used to control the arrangement of oxygen atoms in cuprate superconductors, allowing the writing of regions of robust high-transition-temperature superconductivity.

    • Peter Littlewood

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