Atomically resolved mapping of polarization and electric fields across ferroelectric/oxide interface by Z-contrast imaging

Hye Jung Chang, Sergei V. Kalinin, Anna N. Morozovska, Mark Huijben, Ying-Hao Chu, Pu Yu, Ramamoorthy Ramesh, Evgeny A. Eliseev, George S. Svechnikov, Stephen J. Pennycook, Albina Y. Borisevich

Research output: Contribution to journalArticleAcademicpeer-review

64 Citations (Scopus)

Abstract

Direct atomic displacement mapping at ferroelectric interfaces by aberration corrected scanning transmission electron microscopy(STEM) (a-STEM image, b-corresponding displacement profile) is combined with Landau-Ginsburg-Devonshire theory to obtain the complete interface electrostatics in real space, including separate estimates for the polarization and intrinsic interface charge contributions.
Original languageEnglish
Pages (from-to)2474-2479
Number of pages6
JournalAdvanced materials
Volume23
Issue number21
DOIs
Publication statusPublished - 2011

Keywords

  • IR-104460
  • METIS-280817

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