Direct probing of charge injection and polarization-controlled ionic mobility on ferroelectric LiNbo3 surfaces

Evgheni Strelcov; Anton V. Ievlev; Stephen Jesse; Ivan I. Kravchenko; Vladimir Y. Shur; Sergei V. Kalinin

doi:10.1002/adma.201304002

Direct probing of charge injection and polarization-controlled ionic mobility on ferroelectric LiNbo₃ surfaces

Evgheni Strelcov, Anton V. Ievlev, Stephen Jesse, Ivan I. Kravchenko, Vladimir Y. Shur, Sergei V. Kalinin

Research output: Contribution to journal › Article › peer-review

48 Scopus citations

Abstract

Mapping surface potential with time-resolved Kelvin probe force microscopy (tr-KPFM) in LiNbO₃ periodically poled single crystals reveals activation of the surface ionic subsystem. Electric fields of certain strength induce injection of charge, formation of an active region in its vicinity and uneven distribution of screening charge on the opposite ferroelectric domains. Tr-KPFM technique allows investigating these phenomena in details.

Original language	English
Pages (from-to)	958-963
Number of pages	6
Journal	Advanced Materials
Volume	26
Issue number	6
DOIs	https://doi.org/10.1002/adma.201304002
State	Published - Feb 12 2014

Keywords

KPFM
LiNbO
ferroelectric
potential mapping
surface charge

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10.1002/adma.201304002

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title = "Direct probing of charge injection and polarization-controlled ionic mobility on ferroelectric LiNbo3 surfaces",

abstract = "Mapping surface potential with time-resolved Kelvin probe force microscopy (tr-KPFM) in LiNbO3 periodically poled single crystals reveals activation of the surface ionic subsystem. Electric fields of certain strength induce injection of charge, formation of an active region in its vicinity and uneven distribution of screening charge on the opposite ferroelectric domains. Tr-KPFM technique allows investigating these phenomena in details.",

keywords = "KPFM, LiNbO, ferroelectric, potential mapping, surface charge",

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AU - Strelcov, Evgheni

AU - Ievlev, Anton V.

AU - Jesse, Stephen

AU - Kravchenko, Ivan I.

AU - Shur, Vladimir Y.

AU - Kalinin, Sergei V.

PY - 2014/2/12

Y1 - 2014/2/12

N2 - Mapping surface potential with time-resolved Kelvin probe force microscopy (tr-KPFM) in LiNbO3 periodically poled single crystals reveals activation of the surface ionic subsystem. Electric fields of certain strength induce injection of charge, formation of an active region in its vicinity and uneven distribution of screening charge on the opposite ferroelectric domains. Tr-KPFM technique allows investigating these phenomena in details.

AB - Mapping surface potential with time-resolved Kelvin probe force microscopy (tr-KPFM) in LiNbO3 periodically poled single crystals reveals activation of the surface ionic subsystem. Electric fields of certain strength induce injection of charge, formation of an active region in its vicinity and uneven distribution of screening charge on the opposite ferroelectric domains. Tr-KPFM technique allows investigating these phenomena in details.

KW - KPFM

KW - LiNbO

KW - ferroelectric

KW - potential mapping

KW - surface charge

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U2 - 10.1002/adma.201304002

DO - 10.1002/adma.201304002

M3 - Article

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EP - 963

JO - Advanced Materials

JF - Advanced Materials

IS - 6

ER -

Direct probing of charge injection and polarization-controlled ionic mobility on ferroelectric LiNbo₃ surfaces

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Keywords

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