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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5b00866
|2 doi
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|a pubmed24n0830.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Mahajan, Amit
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Unveiling the Role of CNTs in the Phase Formation of One-Dimensional Ferroelectrics
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 24.08.2015
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|a Date Revised 23.06.2015
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Carbon nanotubes (CNTs) have the potential to act as templates or bottom electrodes for three-dimensional (3D) capacitor arrays, which utilize one-dimensional (1D) ferroelectric nanostructures to increase the memory size and density. However, growing a ferroelectric on the surface of CNTs is nontrivial. Here, we demonstrate that multiwalled (MW) CNTs decrease the time and temperature for the formation of lead zirconium titanate Pb(Zr1-xTix)O3 (PZT) by ∼100 °C commensurate with a decrease in activation energy from 68 ± 15 to 27 ± 2 kJ/mol. As a consequence, monophasic PZT was obtained at 575 °C for MWCNTs/PZT, but for pure PZT, traces of pyrochlore were still present at 650 °C, where the PZT phase formed due to homogeneous nucleation. The piezoelectric nature of MWCNTs/PZT synthesized at 500 °C for 1 h was proven. Although further work is required to prove the concept of 3D capacitor arrays, our result suggests that it is feasible to utilize MWCNTs as templates/electrodes for the formation of 1D PZT nanoferroelectrics
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|a Journal Article
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1 |
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|a Reaney, Ian M
|e verfasserin
|4 aut
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1 |
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|a Costa, Pedro M F J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kingon, Angus I
|e verfasserin
|4 aut
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| 700 |
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|a Kónya, Zoltán
|e verfasserin
|4 aut
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1 |
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|a Kukovecz, Ákos
|e verfasserin
|4 aut
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1 |
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|a Vilarinho, Paula M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 31(2015), 24 vom: 23. Juni, Seite 6713-20
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:31
|g year:2015
|g number:24
|g day:23
|g month:06
|g pages:6713-20
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|u http://dx.doi.org/10.1021/acs.langmuir.5b00866
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