New approach to obtain strip-structured biepitaxial YBa<inf>2</inf>Cu<inf>3</inf>O<inf>7-δ</inf> films by using Ca-stabilized zirconia-CaZrO<inf>3</inf> eutectic substrates

José Santiso, Vladimir Laukhin, Michel Doudkowsky, Gemma Garcia, Albert Figueras, Luis A. Angurel, Rosa I. Merino, J. Ignacio Peña, M. Luisa Sanjuán, Victor M. Orera

Research output: Contribution to journalArticleResearchpeer-review

10 Citations (Scopus)

Abstract

Biepitaxial YBCO films with a regular array pattern of grain-boundary junctions can be produced in a single deposition step. The procedure relies on using structured eutectic crystals as substrates. These eutectic crystals can be considered as monolithic two-phase composites structured either in the form of alternating parallel lamellae of each phase, or as cylinders of one phase embedded in a crystalline matrix of the other phase. Some of the eutectics show very well-defined atomic scale interfaces. Excellent mechanical properties, light-guiding effects, and anisotropic electrical conduction are a few examples of the unconventional behavior associated with the unique microstructure of these materials.
Original languageEnglish
Pages (from-to)116-119
JournalAdvanced Materials
Volume12
Issue number2
Publication statusPublished - 1 Jan 2000

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