Optical monitoring of the sol-to-gel transition in spinning silica films

Flavio Horowitz; Eric M. Yeatman; Emma J.C. Dawnay; M. Amir Fardad

doi:10.1117/12.189006

13 October 1994 Optical monitoring of the sol-to-gel transition in spinning silica films

Flavio Horowitz, Eric M. Yeatman, Emma J.C. Dawnay, M. Amir Fardad

Proceedings Volume 2288, Sol-Gel Optics III; (1994) https://doi.org/10.1117/12.189006
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Temporal evolution during spin coating is interferometrically monitored, with close regard to gelation at the final stages of the process. Uniform silica films on silicon were produced from an established sol composition, from which slight deviations were taken to produce nonuniform, cracked films. A distinct evolution of the sol to gel transition could then be detected, at speed of rotations of 1000 - 3000 rpm and data acquisition at 100 Hz. Interpretation of a set of experimental results is discussed in terms of a two-phase system, in the light of, and as a test of, current theoretical models.

Citation Download Citation

Flavio Horowitz, Eric M. Yeatman, Emma J.C. Dawnay, and M. Amir Fardad "Optical monitoring of the sol-to-gel transition in spinning silica films", Proc. SPIE 2288, Sol-Gel Optics III, (13 October 1994); https://doi.org/10.1117/12.189006

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available