4.8 Article

Swift Heavy Ion Induced Ordering and Piezoelectric β-phase in Poly(vinylidene fluoride)

Journal

ACS APPLIED MATERIALS & INTERFACES
Volume 3, Issue 5, Pages 1398-1401

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/am200293g

Keywords

PVDF; SHI irradiation; ordering; structural change; beta-phase

Funding

  1. Inter University Accelerator Centre (IUAC), New Delhi [IUAC/XIII.7/UFUP-3932/5603]

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Ion flux dependent swift heavy ions (SHI) induced structural changes have been reported for pristine poly(vinylidene fluoride) (PVDF). Ordering phenomena has been observed first followed by its transformation from alpha to beta-form (polar metastable piezoelectric phase). The ordering of (020) plane become prominent at higher ion flux SHI irradiation and its further increase induces structural change from alpha to beta phase as revealed by XRD and FTIR analyses. Structural changes are also supported by morphological evidence and thermal studies before and after SHI irradiation.

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