Layer-by-layer growth of thin films of the infinite-layer compounds srcuo2 and cacuo2

A. Gupta, B. W. Hussey, T. M. Shaw, A. M. Guloy, M. Y. Chern, R. F. Saraf, B. A. Scott

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Epitaxial thin films of the infinite-layer compounds SrCuO2 and CaCuO2 have been grown in a layer-by-layer mode on (100) SrTiO3 substrates by pulsed laser deposition with in situ monitoring using reflection high-energy electron diffraction (RHEED). While the pseudomorphic growth of SrCuO2 thin films on lattice-matched SrTiO3 substrates has been reported previously, we have also successfully synthesized for the first time high quality thin films of the other end-member, CaCuO2, which is an important structural component of a number of cuprate superconductors. The stabilization of the infinite-layer CaCuO2 has been achieved by using an epitaxial layer of the infinite-layer SrCuO2 film as a chemical template for the nucleation and growth of this highly metastable phase. The oxygen concentration used during deposition and subsequent cooldown of the films has been observed to result in subtle structural modifications in the infinite-layer compounds, with substantial influence on their transport properties.

Original languageEnglish (US)
Pages (from-to)113-119
Number of pages7
JournalJournal of Solid State Chemistry
Volume112
Issue number1
DOIs
StatePublished - Sep 1994

Fingerprint

Thin films
thin films
Reflection high energy electron diffraction
Metastable phases
Epitaxial films
Epitaxial layers
Substrates
Pulsed laser deposition
Transport properties
Nucleation
Stabilization
Oxygen
Monitoring
high energy electrons
cuprates
pulsed laser deposition
templates
electron diffraction
stabilization
transport properties

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Layer-by-layer growth of thin films of the infinite-layer compounds srcuo2 and cacuo2. / Gupta, A.; Hussey, B. W.; Shaw, T. M.; Guloy, A. M.; Chern, M. Y.; Saraf, R. F.; Scott, B. A.

In: Journal of Solid State Chemistry, Vol. 112, No. 1, 09.1994, p. 113-119.

Research output: Contribution to journalArticle

Gupta, A. ; Hussey, B. W. ; Shaw, T. M. ; Guloy, A. M. ; Chern, M. Y. ; Saraf, R. F. ; Scott, B. A. / Layer-by-layer growth of thin films of the infinite-layer compounds srcuo2 and cacuo2. In: Journal of Solid State Chemistry. 1994 ; Vol. 112, No. 1. pp. 113-119.
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