English

Thermoelastic study of nanolayered structures using time-resolved x-ray diffraction at high repetition rate

Mesoscale and Nanoscale Physics 2015-06-16 v1 Materials Science

Abstract

We investigate the thermoelastic response of a nanolayered sample composed of a metallic SrRuO3 (SRO) electrode sandwiched between a ferroelectric Pb(Zr0.2Ti0.8)O3 (PZT) film with negative thermal expansion and a SrTiO3 substrate. SRO is rapidly heated by fs-laser pulses with 208 kHz repetition rate. Diffraction of x-ray pulses derived from a synchrotron measures the transient out-of-plane lattice constant c of all three materials simultaneously from 120 ps to 5 mus with a relative accuracy up to Delta c/c = 10^-6. The in-plane propagation of sound is essential for understanding the delayed out of plane expansion.

Keywords

Cite

@article{arxiv.1306.4165,
  title  = {Thermoelastic study of nanolayered structures using time-resolved x-ray diffraction at high repetition rate},
  author = {H. A. Navirian and D. Schick and P. Gaal and W. Leitenberger and R. Shayduk and M. Bargheer},
  journal= {arXiv preprint arXiv:1306.4165},
  year   = {2015}
}

Comments

5 pages, 3 figures

R2 v1 2026-06-22T00:35:48.118Z