Communication

A Novel Approach to Synthesizing Calcium Copper Titanate Thin Films with Giant Dielectric Constants†

  1. R. Lo Nigro2,
  2. R. G. Toro1,
  3. G. Malandrino1,
  4. M. Bettinelli3,
  5. A. Speghini3,
  6. I. L. Fragalà

Article first published online: 17 JUN 2004

DOI: 10.1002/adma.200306634

Issue

Advanced Materials

Advanced Materials

Volume 16, Issue 11, pages 891–895, June, 2004

Additional Information

How to Cite

Lo Nigro, R., Toro, R. G., Malandrino, G., Bettinelli, M., Speghini, A. and Fragalà, I. L. (2004), A Novel Approach to Synthesizing Calcium Copper Titanate Thin Films with Giant Dielectric Constants. Adv. Mater., 16: 891–895. doi: 10.1002/adma.200306634

Author Information

  1. 1

    Dipartimento di Scienze Chimiche, Università di Catania, and INSTM, UdR Catania, Viale A. Doria 6, I-95125 Catania, Italy

  2. 2

    IMM, sezione di Catania, CNR, Stradale Primosole n 50, I-95121 Catania, Italy

  3. 3

    Dipartimento Scientifico e Tecnologico, Università di Verona , and INSTM, UdR Verona, Ca' Vignal, Strada Le Grazie 15, I-37134 Verona, Italy

  1. †

    This work has been partially supported by MIUR (Ministero dell'Istruzione, dell'Università e della Ricerca) under progetto Fondo Integrativo Speciale per la Ricerca (FISR). The authors thank Mr. Corrado Bongiorno of the IMM CNR of Catania for assisting with the TEM observations.

Publication History

  1. Issue published online: 17 JUN 2004
  2. Article first published online: 17 JUN 2004
  3. Manuscript Accepted: 20 FEB 2004
  4. Manuscript Received: 16 DEC 2003

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Keywords:

  • Dielectric constant;
  • Metal–organic chemical vapor deposition (MOCVD);
  • Perovskites;
  • Thin films

Good quality CaCu3Ti4O12 giant dielectric constant films have been prepared by metal–organic chemical vapor deposition on LaAlO3 (001) substrates, using a multimetal molten precursor source. The growth of the oxide layer by a two-step in-situ process, namely deposition of an amorphous matrix and the consequent in-situ annealing, has resulted in epitaxial (00l) CaCu3Ti4O12 thin films.

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