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Humidity effect of domain wall roughening behavior in ferroelectric copolymer thin films

Abstract

We have demonstrated that domain switching in ferroelectric copolymer films can be significantly affected by humidity. With increasing relative humidity (RH), we observed larger domains with highly irregular boundaries as a result of lateral spreading of the tip-induced electric field that originates from water adsorption. Fractal dimension study of irregular domains reveals that the fractal dimension is higher in cases where the RH is higher. The results show that the RH is one of the major switching parameters in ferroelectric copolymers, and therefore could allow clear understanding with regard to domain switching behavior in the ferroelectric copolymer films under ambient conditions. (paper)
Authors:
Park, Kwang-Won; Kim, Jiyoon; Hong, Jongin; [1]  Seo, Hosung; Seol, Daehee; Kim, Yunseok [2] 
  1. Department of Chemistry, Chung-Ang University, Seoul 156-756 (Korea, Republic of)
  2. School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do 440-746 (Korea, Republic of)
Publication Date:
Aug 12, 2014
Product Type:
Journal Article
Resource Relation:
Journal Name: Nanotechnology (Print); Journal Volume: 25; Journal Issue: 35; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; ADSORPTION; COPOLYMERS; ELECTRIC FIELDS; FERROELECTRIC MATERIALS; FRACTALS; HUMIDITY; ROUGHNESS; THIN FILMS; WATER
OSTI ID:
22377327
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0957-4484; TRN: GB15P4892082789
Availability:
Available from http://dx.doi.org/10.1088/0957-4484/25/35/355703
Submitting Site:
INIS
Size:
[6 page(s)]
Announcement Date:
Aug 13, 2015

Citation Formats

Park, Kwang-Won, Kim, Jiyoon, Hong, Jongin, Seo, Hosung, Seol, Daehee, and Kim, Yunseok. Humidity effect of domain wall roughening behavior in ferroelectric copolymer thin films. United Kingdom: N. p., 2014. Web. doi:10.1088/0957-4484/25/35/355703.
Park, Kwang-Won, Kim, Jiyoon, Hong, Jongin, Seo, Hosung, Seol, Daehee, & Kim, Yunseok. Humidity effect of domain wall roughening behavior in ferroelectric copolymer thin films. United Kingdom. https://doi.org/10.1088/0957-4484/25/35/355703
Park, Kwang-Won, Kim, Jiyoon, Hong, Jongin, Seo, Hosung, Seol, Daehee, and Kim, Yunseok. 2014. "Humidity effect of domain wall roughening behavior in ferroelectric copolymer thin films." United Kingdom. https://doi.org/10.1088/0957-4484/25/35/355703.
@misc{etde_22377327,
title = {Humidity effect of domain wall roughening behavior in ferroelectric copolymer thin films}
author = {Park, Kwang-Won, Kim, Jiyoon, Hong, Jongin, Seo, Hosung, Seol, Daehee, and Kim, Yunseok}
abstractNote = {We have demonstrated that domain switching in ferroelectric copolymer films can be significantly affected by humidity. With increasing relative humidity (RH), we observed larger domains with highly irregular boundaries as a result of lateral spreading of the tip-induced electric field that originates from water adsorption. Fractal dimension study of irregular domains reveals that the fractal dimension is higher in cases where the RH is higher. The results show that the RH is one of the major switching parameters in ferroelectric copolymers, and therefore could allow clear understanding with regard to domain switching behavior in the ferroelectric copolymer films under ambient conditions. (paper)}
doi = {10.1088/0957-4484/25/35/355703}
journal = []
issue = {35}
volume = {25}
journal type = {AC}
place = {United Kingdom}
year = {2014}
month = {Aug}
}