Spin cast ferroelectric beta poly(vinylidene fluoride) thin films via rapid thermal annealing

Seok Ju Kang, Youn Jung Park, Jinwoo Sung, Pil Sung Jo, Cheolmin Park, Kap Jin Kim, Beong Ok Cho

Research output: Contribution to journalArticle

105 Citations (Scopus)

Abstract

We describe a method of fabricating ferroelectric beta-type poly(vinylidene fluoride) (PVDF) thin films on Au substrate by the humidity controlled spin casting combined with rapid thermal treatment. Our method produces thin uniform ferroelectric PVDF film with ordered beta crystals consisting of characteristic needlelike microdomains. A capacitor with a 160 nm thick ferroelectric PVDF film exhibits the remanent polarization and coercive voltage of ∼7.0 μC cm2 and 8 V, respectively, with the temperature stability of up to 160 °C. A ferroelectric field effect transistor also shows a drain current bistablility of 100 at zero gate voltage with ±20 V gate voltage sweep.

Original languageEnglish
Article number012921
JournalApplied Physics Letters
Volume92
Issue number1
DOIs
Publication statusPublished - 2008 Jan 16

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vinylidene
fluorides
casts
annealing
electric potential
thin films
humidity
capacitors
field effect transistors
polarization
crystals
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Kang, Seok Ju ; Park, Youn Jung ; Sung, Jinwoo ; Jo, Pil Sung ; Park, Cheolmin ; Kim, Kap Jin ; Cho, Beong Ok. / Spin cast ferroelectric beta poly(vinylidene fluoride) thin films via rapid thermal annealing. In: Applied Physics Letters. 2008 ; Vol. 92, No. 1.
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Spin cast ferroelectric beta poly(vinylidene fluoride) thin films via rapid thermal annealing. / Kang, Seok Ju; Park, Youn Jung; Sung, Jinwoo; Jo, Pil Sung; Park, Cheolmin; Kim, Kap Jin; Cho, Beong Ok.

In: Applied Physics Letters, Vol. 92, No. 1, 012921, 16.01.2008.

Research output: Contribution to journalArticle

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AU - Kim, Kap Jin

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