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Tip-Enhanced Raman Spectroscopy Studies on Amorphous Carbon Films and Carbon Overcoats in Commercial Hard Disk Drives

Tip-Enhanced Raman Spectroscopy Studies on Amorphous Carbon Films and Carbon Overcoats in... Far-field Raman spectroscopy and tip-enhanced Raman spectroscopy were used to investigate 20-nm-thick amorphous carbon films and 3-nm-thick carbon overcoats of commercial hard disk drives. Enhancement of the Raman signal on both samples was observed indicating the activation of surface plasmons. The largest enhancement was found for the 3-nm-thick carbon overcoat of a commercial hard disk suggesting that the chemistry of nanometer-thick carbon films can be studied using tip-enhanced Raman spectroscopy with high sensitivity and resolution. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tribology Letters Springer Journals

Tip-Enhanced Raman Spectroscopy Studies on Amorphous Carbon Films and Carbon Overcoats in Commercial Hard Disk Drives

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Materials Science; Tribology, Corrosion and Coatings; Surfaces and Interfaces, Thin Films; Theoretical and Applied Mechanics; Physical Chemistry; Nanotechnology
ISSN
1023-8883
eISSN
1573-2711
DOI
10.1007/s11249-018-1005-2
Publisher site
See Article on Publisher Site

Abstract

Far-field Raman spectroscopy and tip-enhanced Raman spectroscopy were used to investigate 20-nm-thick amorphous carbon films and 3-nm-thick carbon overcoats of commercial hard disk drives. Enhancement of the Raman signal on both samples was observed indicating the activation of surface plasmons. The largest enhancement was found for the 3-nm-thick carbon overcoat of a commercial hard disk suggesting that the chemistry of nanometer-thick carbon films can be studied using tip-enhanced Raman spectroscopy with high sensitivity and resolution.

Journal

Tribology Letters – Springer Journals

Published: Mar 1, 2018

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