Tribological characteristics of probe tip and PZT media for AFM-based recording technology

Koo Hyun Chung, Yong Ha Lee, Dae Eun Kim, Jingyoo Yoo, Seungbum Hong

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The reliability issue of probe tip/recording media interface is one of the most crucial concerns in the atomic force microscope (AFM)-based recording technology. In this work, a specialized doped silicon probe tip and a lead zirconate titanate, Pb(ZrxTi1-x)O3(PZT) recording media were prepared for data recording based on ferroelectric interaction, and their tribological characteristics were assessed by performing wear tests using an AFM. The damage of the probe tip was quantitatively as well as qualitatively characterized by field emission scanning electron microscope (FESEM) analysis. It was found that the wear coefficient of the probe tip was in the order of 10-410-2, and serious contamination at the end of the probe tip was observed. As for the PZT recording media, the AFM-based scratch test using the diamond coated probe tip was performed. It was shown that the wear rate was in the order of 10-8 mm3/N cycle.

Original languageEnglish
Pages (from-to)849-854
Number of pages6
JournalIEEE Transactions on Magnetics
Volume41
Issue number2
DOIs
Publication statusPublished - 2005 Feb 1

Fingerprint

Microscopes
recording
microscopes
probes
Wear of materials
data recording
Data recording
Diamond
wear tests
Silicon
Field emission
Ferroelectric materials
field emission
Diamonds
contamination
Contamination
Electron microscopes
electron microscopes
diamonds
damage

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Chung, Koo Hyun ; Lee, Yong Ha ; Kim, Dae Eun ; Yoo, Jingyoo ; Hong, Seungbum. / Tribological characteristics of probe tip and PZT media for AFM-based recording technology. In: IEEE Transactions on Magnetics. 2005 ; Vol. 41, No. 2. pp. 849-854.
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Tribological characteristics of probe tip and PZT media for AFM-based recording technology. / Chung, Koo Hyun; Lee, Yong Ha; Kim, Dae Eun; Yoo, Jingyoo; Hong, Seungbum.

In: IEEE Transactions on Magnetics, Vol. 41, No. 2, 01.02.2005, p. 849-854.

Research output: Contribution to journalArticle

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