NANO-SIZED INVERTED DOMAIN FORMATION IN STOICHIOMETRIC LiTaO3 SINGLE CRYSTAL USING SCANNING NONLINEAR DIELECTRIC MICROSCOPY

Scanning Nonlinear Dielectric Microscopy (SNDM) is the method for observing ferroelectric polarization distribution, and now, its resolution has become to the sub-nanometer order. Up to now, authors have studied high-density ferroelectric data storage using this microscope. Authors selected stoichio...

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Published inIntegrated ferroelectrics Vol. 49; pp. 203 - 209
Main Authors Hiranaga, Y, Fujimoto, K, Cho, Y, Wagatsuma, Y, Onoe, A, Terabe, K, Kitamura, K
Format Journal Article
LanguageEnglish
Published 01.01.2002
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Summary:Scanning Nonlinear Dielectric Microscopy (SNDM) is the method for observing ferroelectric polarization distribution, and now, its resolution has become to the sub-nanometer order. Up to now, authors have studied high-density ferroelectric data storage using this microscope. Authors selected stoichiometric LiTaO3 (SLT) single crystals as ferroelectric recording media. At first, authors studied polarization inversion characteristics, and as a result, authors achieved forming small inverted domain with the radius of 6 nm. And authors also studied the retention of inverted domain. Moreover, in a recent study, authors have also formed inverted domain in congruent LiTaO3 (CLT) single crystal, and, as a result, authors achieved high-density data storage in excess of 1 Tbit/inch2. 17 refs.
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ISSN:1058-4587
DOI:10.1080/10584580215489