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In Situ Initial Growth Studies of (Sr, Ca)CuO2 ON SrTiO3 by High Pressure Rheed

Published online by Cambridge University Press:  10 February 2011

Gertjan Koster ,
Guus J. H. M. Runders ,
Dave H. A. Blank  and
Horst Rogalla
Gertjan Koster
Affiliation:
Dept. of App. Phys., Low Temperature Div., University of Twente, PO box 217, 7500 AE, Enschede, The Netherlands.
Guus J. H. M. Runders
Affiliation:
Dept. of App. Phys., Low Temperature Div., University of Twente, PO box 217, 7500 AE, Enschede, The Netherlands.
Dave H. A. Blank
Affiliation:
Dept. of App. Phys., Low Temperature Div., University of Twente, PO box 217, 7500 AE, Enschede, The Netherlands.
Horst Rogalla
Affiliation:
Dept. of App. Phys., Low Temperature Div., University of Twente, PO box 217, 7500 AE, Enschede, The Netherlands.
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Abstract

The initial growth of pulsed laser deposited SrCuO2 (SCO) and CaCuO2 (CCO) on SrTiO3 has been studied using high pressure Reflection High Energy Electron Diffraction (RHEED) and Atomic Force Microscopy (AFM). For this, we developed a Pulsed Laser Deposition (PLD)- RHEED system, with the possibility to study the growth and to monitor the growth rates, in situ, at typical PLD pressures (10–50 Pa). In case of depositing oxide materials, high oxygen pressures are desired. Moreover, crystallinity can be improved using higher oxygen pressures and therefore higher temperatures. With this technique we are able to obtain atomically flat films, a first step towards multi-layer structures.

In this paper we present the initial growth studies of SCO and first results incorporating CCO layers in a SCO matrix.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 502: Symposium II – In Situ Process Diagnostics & Intelligent Materials Processing , 1997 , 255
Copyright
Copyright © Materials Research Society 1998

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References

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