Orientation control of HTS thin films

K. Endo, H. Ishikawa, T. Yoshizawa, K. Abe, J. Itoh, K. Kajimura

Research output: Contribution to journalArticlepeer-review


The preparation of non c-axis oriented HTS films with longer coherence length is one of key technologies toward realisation of viable Josephson devices. We reports on the successful growth of (119)Bi-2223 films by MOCVD using a two-step growth temperature procedure and on AFM observation of the film surface. This temperature procedure was found to be effective for orientation control and phase control in comparison with a fixed growth temperature procedure. As a result, superconducting properties were much improved. The surface morphology observed by AFM showed a mountain-range-shaped one, which strongly reflects the epitaxial relationship between the (119)Bi-2223 film and (110) SrTiO3 substrate.

Original languageEnglish
Pages (from-to)175-180
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Publication statusPublished - 2002


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