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Title: Multiple Supersonic Phase Fronts Launched at a Complex-Oxide Heterointerface

Journal Article · · Physical Review Letters
 [1];  [2];  [1];  [1];  [3];  [4];  [4];  [2];  [5];  [6];  [7];  [7];  [7];  [8];  [8];  [8];  [3];  [4];  [9]
  1. Max Planck Inst. for the Structure and Dynamics of Matter, Center for Free Electron Laser Science, Hamburg (Germany)
  2. Center for Free Electron Laser Science and Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  3. Delft Univ. of Technology (Netherlands). Kavli Inst. of Nanoscience
  4. Univ. of Geneva (Switzerland). Dept. of Quantum Matter Physics
  5. Center for Free Electron Laser Science, Hamburg (Germany); SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Pulse Inst.
  6. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Science Division and Advanced Light Source
  7. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
  8. Science and Technology Facilities Council (STFC), Harwell Campus, Oxford (United Kingdom). Diamond Light Source, Ltd.
  9. Max Planck Inst. for the Structure and Dynamics of Matter, Center for Free Electron Laser Science, Hamburg (Germany); Univ. of Oxford (United Kingdom). Dept. of Physics

Selective optical excitation of a substrate lattice can drive phase changes across heterointerfaces. This phenomenon is a nonequilibrium analogue of static strain control in heterostructures and may lead to new applications in optically controlled phase change devices. Here, we make use of time-resolved nonresonant and resonant x-ray diffraction to clarify the underlying physics and to separate different microscopic degrees of freedom in space and time. We also measure the dynamics of the lattice and that of the charge disproportionation in NdNiO 3 , when an insulator-metal transition is driven by coherent lattice distortions in the LaAlO 3 substrate. We find that charge redistribution propagates at supersonic speeds from the interface into the NdNiO 3 film, followed by a sonic lattice wave. Our results establish a hierarchy of events for ultrafast control at complex-oxide heterointerfaces, when combined with measurements of magnetic disordering and of the metal-insulator transition.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-76SF00515; NT-11118; 319286; FP7/2007-2013
OSTI ID:
1361067
Alternate ID(s):
OSTI ID: 1338663
Journal Information:
Physical Review Letters, Vol. 118, Issue 2; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 20 works
Citation information provided by
Web of Science

References (29)

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Whither the oxide interface journal January 2012
Quantitative determination of bond order and lattice distortions in nickel oxide heterostructures by resonant x-ray scattering journal April 2016
Metal-insulator transitions in NdNiO 3 thin films journal September 2000
Broadband terahertz spectroscopy of the insulator-metal transition driven by coherent lattice deformation at the SmNi O 3 / LaAl O 3 interface journal April 2016
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Heterointerface engineered electronic and magnetic phases of NdNiO3 thin films journal November 2013
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Structural phase transition in epitaxial perovskite films journal December 2004
Tailoring the electronic transitions of NdNiO 3 films through (111) pc oriented interfaces journal June 2015
Progress in perovskite nickelate research journal July 2008
Spatially resolved ultrafast magnetic dynamics initiated at a complex oxide heterointerface journal July 2015
Laser-induced coherent acoustical phonons mechanisms in the metal-insulator transition compound NdNiO 3 : Thermal and nonthermal processes journal March 2009
Electrodynamics of Solids book January 2010
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Design and performance of reflective terahertz air-biased-coherent-detection for time-domain spectroscopy journal January 2010
A strong ferroelectric ferromagnet created by means of spin–lattice coupling journal July 2011
Heterointerface engineered electronic and magnetic phases of NdNiO3 thin films text January 2013
Spatially resolved ultrafast magnetic dynamics launched at a complex-oxide hetero-interface text January 2015
Tailoring the electronic transitions of NdNiO_3 films through (111)_pc oriented interfaces text January 2015
Quantitative determination of bond order and lattice distortions in nickel oxide heterostructures by resonant x-ray scattering text January 2016
Structural phase transitions in epitaxial perovskite films text January 2004

Cited By (8)

Picoscale materials engineering journal September 2017
Probing dynamics in quantum materials with femtosecond X-rays journal June 2018
Dynamics of the photoinduced insulator-to-metal transition in a nickelate film journal November 2018
Time-spliced X-ray diffraction imaging of magnetism dynamics in a NdNiO 3 thin film journal February 2018
Disentangling lattice and electronic contributions to the metal–insulator transition from bulk vs. layer confined RNiO 3 journal July 2019
Rare-earth nickelates R NiO 3 : thin films and heterostructures journal February 2018
Measuring non-equilibrium dynamics in complex solids with ultrashort X-ray pulses
  • Buzzi, Michele; Först, Michael; Cavalleri, Andrea
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2145 https://doi.org/10.1098/rsta.2017.0478
journal April 2019
Dynamics of the photoinduced insulator-to-metal transition in a nickelate film text January 2018

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