Hydrothermally fabricated epitaxial PbTiO3 patterns patterned lithographically by etching in hydrothermal KOH solution

Ahn, SH; Choi, Si–Kyung

doi:10.1063/1.2981576

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…Correspondingly, the fabrication approach should meet the following basic requirements: i) the method itself needs to be cheap and easily accessible, allowing for an easy control of the size and shape in the sub‐one‐hundred nanometer region as well as mass production of desired structures with a narrow size distribution and ii) the approach is required to be high‐temperature compatible. To date, various approaches have been employed for the fabrication of structurally well‐defined ferroelectric nanostructures 26–60. The fabrication strategies so far can be classified into two broad groups: top‐down and bottom‐up approaches.…”

Section: Fabrication Of Ferroelectric Nanostructuresmentioning

confidence: 99%

Hemisynthesis and structural characterization of flavanol‐(4,8)‐vitisins by mass spectrometry

Nave

Teixeira

Mateus

et al. 2010

Rapid Comm Mass Spectrometry

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Vitisins constitute the major group of pyranoanthocyanins naturally occurring in red wines. Regarding their chemical structure, only carboxypyranoanthocyanins have been detected and quantified in red wines, but no vitisin with substitutions in the carbons of the A ring has been identified. However, considering the chemical reactions that take place in red wine, the existence of flavan-3-ol-(4,6/8)-vitisins is expected. This paper reports for the first time the structural identification of catechin-vitisin A and catechin-vitisin B based on their mass data and fragmentation patterns. This work also provides some chromatographic and visible spectroscopic features of these pigments and documents the existence of both in red table wines. Moreover, it is also proposed that Cat-Vit A pigments arise from the cycloaddition of pyruvic acid to an anthocyanin moiety of a flavanol-anthocyanin adduct rather than by direct nucleophilic attack of a vitisin A on the carbocation C(4) of catechin.

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Section: Fabrication Of Ferroelectric Nanostructuresmentioning

confidence: 99%

Hemisynthesis and structural characterization of flavanol‐(4,8)‐vitisins by mass spectrometry

Nave

Teixeira

Mateus

et al. 2010

Rapid Comm Mass Spectrometry

View full text Add to dashboard Cite

show abstract

“…Various experimental approaches to obtain nanostructured ferroelectrics with small size, good ordering, and high quality have been recently developed, including so called top-down [33][34][35][36][37] and bottom-up methods [38][39][40][41][42]. Top-down methods, for example, e-beam direct writing (EBDW), e-beam patterning, focused ion-beam (FIB) milling, and nano imprint lithography are useful approaches in view of precise size control and ordering of nanofeatures.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of epitaxial nanostructured ferroelectrics and investigation of their domain structures

Han

Lee

et al. 2009

J Mater Sci

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Nanostructured ferroelectrics are important objects for studies on ferroelectric size effects as well as for applications to memory devices with ultra-high memory density. In the present article, we introduce several approaches for the synthesis of confined ferroelectrics with sizes in and below the hundreds of nanometer range, including top-down processes like e-beam lithography, self-assembly methods like chemical solution deposition, and growth by pulsed laser deposition using stencil masks. Furthermore, the ferroelectric domain structure of part of these nanostructures is investigated by means of synchrotron X-ray diffraction, and its contribution to the ferroelectric properties is discussed.

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Nanostructured Ferroelectrics: Fabrication and Structure–Property Relations

et al. 2011

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With the continued demand for ultrahigh density ferroelectric data storage applications, it is becoming increasingly important to scale the dimension of ferroelectrics down to the nanometer-scale region and to thoroughly understand the effects of miniaturization on the materials properties. Upon reduction of the physical dimension of the material, the change in physical properties associated with size reduction becomes extremely difficult to characterize and to understand because of a complicated interplay between structures, surface properties, strain effects from substrates, domain nucleation, and wall motions. In this Review, the recent progress in fabrication and structure-property relations of nanostructured ferroelectric oxides is summarized. Various fabrication approaches are reviewed, with special emphasis on a newly developed stencil-based method for fabricating ferroelectric nanocapacitors, and advantages and limitations of the processes are discussed. Stress-induced evolutions of domain structures upon reduction of the dimension of the material and their implications on the electrical properties are discussed in detail. Distinct domain nucleation, growth, and propagation behaviors in nanometer-scale ferroelectric capacitors are discussed and compared to those of micrometer-scale counterparts. The structural effect of ferroelectric nanocapacitors on the domain switching behavior and cross-talk between neighboring capacitors under external electric field is reviewed.

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Hydrothermally fabricated epitaxial PbTiO3 patterns patterned lithographically by etching in hydrothermal KOH solution

Cited by 3 publications

References 13 publications

Hemisynthesis and structural characterization of flavanol‐(4,8)‐vitisins by mass spectrometry

Hemisynthesis and structural characterization of flavanol‐(4,8)‐vitisins by mass spectrometry

Fabrication of epitaxial nanostructured ferroelectrics and investigation of their domain structures

Nanostructured Ferroelectrics: Fabrication and Structure–Property Relations

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