Cart (Loading....) | Create Account
Close category search window
 

Lattice and defect structures of polymerizable diacetylene Langmuir–Blodgett films studied by scanning force microscopy

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

5 Author(s)
Vithana, Hemasiri ; Liquid Crystal Institute and Department of Physics, Kent State University, Kent, Ohio 44242 ; Johnson, David ; Shih, Raymond ; Mann, J.Adin
more authors

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1116/1.588164 

The scanning force microscope has been used to study the lattice and defect structures of multilayers of the unsaturated fatty acid, 12‐8 diacetylene (10,12‐pentacosadiynoic acid) in ambient conditions. Films were prepared by the Langmuir–Blodgett technique on ordinary microscope glass and indium tin oxide coated glass. Lattice structures were deduced from the well resolved molecular images and, before polymerization, were found to be nearly centered rectangular with lattice parameters (0.88±0.06) nm and (0.51±0.04) nm. After exposing to ultraviolet radiation for polymerization the lattice structure changed to an oblique lattice with lattice parameters (0.466±0.008) nm and (0.55±0.01) nm. Molecular level defects such as dislocations and grain boundaries were resolved in these films very clearly. Observation of these kinds of defects implies that it is possible to reliably image the real surface molecules under ambient conditions. Polymerization was found to take place in one of the lattice directions and the modulation perpendicular to that direction was more pronounced than along the polymer backbone. © 1995 American Vacuum Society

Published in:

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures  (Volume:13 ,  Issue: 4 )

Date of Publication:

Jul 1995

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.