Morphology and growth modes of metal-oxides deposited on SrTiO3

Jennifer L. Wohlwend, Rakesh K. Behera, Inkook Jang, Simon R. Phillpot, Susan B. Sinnott

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Classical molecular dynamics simulations are used to examine the growth of SrO and TiO2 thin films on SrTiO3 (STO). In particular, the simulations consider the deposition of SrO and TiO2 molecules at incident energies of 0.1, 0.5, and 1.0 eV/atom onto the (0 0 1) surface of STO. The role of surface termination layer (SrO vs. TiO2) is analyzed. In the case of SrO deposition, smooth, ordered films are produced for all incident energies considered and for both surface terminations. By contrast, in the case of TiO2 deposition, three-dimensional islands are formed under all conditions. These predictions are in good agreement with experimental data. Importantly, the simulations explain why these differing morphologies are produced for SrO and TiO2 deposition.

Original languageEnglish (US)
Pages (from-to)873-880
Number of pages8
JournalSurface Science
Volume603
Issue number6
DOIs
StatePublished - Mar 15 2009

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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