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Inne
Flexible ferroelectric organic crystals.
Autorzy
Rok wydania
2016
Czasopismo
Numer woluminu
7
Strony
13108/1-13108/10
DOI
10.1038/ncomms13108
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Streszczenie
Flexible organic materials possessing useful electrical properties, such as ferroelectricity, are of crucial importance in the engineering of electronic devices. Up until now, however, only ferroelectric polymers have intrinsically met this flexibility requirement, leaving small-molecule organic ferroelectrics with room for improvement. Since both flexibility and ferroelectricity are rare properties on their own, combining them in one crystalline organic material is challenging. Herein, we report that trisubstituted haloimidazoles not only display ferroelectricity and piezoelectricity—the properties that originate from their non-centrosymmetric crystal lattice—but also lend their crystalline mechanical properties to fine-tuning in a controllable manner by disrupting the weak halogen bonds between the molecules. This element of control makes it possible to deliver another unique and highly desirable property, namely crystal flexibility. Moreover, the electrical properties are maintained in the flexible crystals.
Słowa kluczowe
ferroelectric, multiferroics, mechanical properties
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Pełny tekst licencji: https://creativecommons.org/licenses/by/3.0/pl/legalcode
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