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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201700831
|2 doi
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|a pubmed24n0908.xml
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|a (DE-627)NLM272654728
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|a (NLM)28585230
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Pan, Qiang
|e verfasserin
|4 aut
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| 245 |
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|a A Molecular Polycrystalline Ferroelectric with Record-High Phase Transition Temperature
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|c 2017
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 19.10.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a An outstanding advantage of inorganic ceramic ferroelectrics is their usability in the polycrystalline ceramic or thin film forms, which has dominated applications in the ferroelectric, dielectric, and piezoelectric fields. Although the history of ferroelectrics began with the molecular ferroelectric Rochelle salt in 1921, so far there have been very few molecular ferroelectrics, with lightweight, flexible, low-cost, and biocompatible superior properties compared to inorganic ceramic ferroelectrics, that can be applied in the polycrystalline form. Here, a multiaxial molecular ferroelectric, guanidinium perchlorate ([C(NH2 )3 ]ClO4 ), with a record-high phase transition temperature of 454 K is presented. It is the rectangular polarization-electric field (P-E) hysteresis loops recorded on the powder and thin film samples (with respective large Pr of 5.1 and 8.1 µC cm-2 ) that confirm the ferroelectricity of [C(NH2 )3 ]ClO4 in the polycrystalline states. Intriguingly, after poling, the piezoelectric coefficient (d33 ) of the powder sample shows a significant increase from 0 to 10 pC N-1 , comparable to that of LiNbO3 single crystal (8 pC N-1 ). This is the first time that such a phenomenon has been observed in molecular ferroelectrics, indicating the great potential of molecular ferroelectrics being used in the polycrystalline form like inorganic ferroelectrics, as well as being viable alternatives or supplements to conventional ceramic ferroelectrics
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|a Journal Article
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|a molecular ferroelectrics
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|a multiple polarization directions
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|a phase transitions
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| 650 |
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4 |
|a piezoresponse force microscopy
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| 700 |
1 |
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|a Liu, Zhi-Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Han-Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Wan-Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, Yuan-Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a You, Yu-Meng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Peng-Fei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liao, Wei-Qiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Ping-Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Rong-Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Ru-Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Ren-Gen
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 29(2017), 29 vom: 05. Aug.
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:29
|g year:2017
|g number:29
|g day:05
|g month:08
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|u http://dx.doi.org/10.1002/adma.201700831
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 29
|j 2017
|e 29
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|c 08
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