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Thermally stimulated currents of Langmuir-Blodgett films
- Authors
- Lee, HS; Lee, WJ; Kim, TW; Iwamoto, M; Kang, DY
- Issue Date
- 31-Aug-1998
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Langmuir-Blodgett film; thermally stimulated current; arachidic acid; polyamic acid alkylamine salt; differential scanning calorimetry; thermogravimetric analysis
- Citation
- THIN SOLID FILMS, v.327, pp.403 - 407
- Journal Title
- THIN SOLID FILMS
- Volume
- 327
- Start Page
- 403
- End Page
- 407
- ISSN
- 0040-6090
- Abstract
- This paper describes thermally stimulated currents (TSCs) of arachidic acid (AA) and polyamic acid alkylamine salts (PAAS) Langmuir-Blodgett (LB) films. The measurements were performed from room temperature to about 250 degrees C and the temperature was increased at st rate of 0.2 degrees C/s linearly. Two peaks are observed at about 70 degrees C and 90 degrees C in the arachidic acid LB films, and at about 70 degrees C and 160 degrees C in the PAAS LB films. They indicate that the peak at 70 degrees C arises from the alkyl group, and the other peak at 160 degrees C in PAAS LB film may be due to the C-O group. Differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) of the PAAS and arachidic acid powder were measured and analyzed. (C) 1998 Published by Elsevier Science S.A. All rights reserved.
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Related Researcher
- Kim, Tae Wan
- Engineering (Applied Science)