Nazca Lines by la ordering in La 2/3-xLi 3xTiO 3 ion-conductive perovskite

K. Mitsuishi, T. Ohnishi, Y. Tanaka, K. Watanabe, I. Sakaguchi, N. Ishida, M. Takeguchi, T. Ohno, D. Fujita, K. Takada

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5 Citations (Scopus)


We report an unique planar defect that draws the Nazca Lines in epitaxially grown La 2/3-xLi 3xTiO 3 (LLTO) (x ≈ 0.11) ion-conductive perovskite. Transmission electron microscopy and electron energy loss spectroscopy reveal that the lines are produced by changing the regular arrangement of alternate stacks of La-rich and La-poor layers along the c-axis into all La-rich layers near the defect. The first-principle calculation suggests that the La-rich layers should act as a barrier to Li conductivity and are, therefore, important for the application of epitaxially grown LLTO thin films.

Original languageEnglish
Article number073903
JournalApplied Physics Letters
Issue number7
Publication statusPublished - Aug 13 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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