Plasma resistance of Y2O3 nanofilms on quartz with different interlayer deposited by EB-PVD

Dae Min Kim, Sung Min Lee, In Ki Kim, Byung Koog Jang, Dae Soon Lim, Yoon Suk Oh

Research output: Contribution to journalArticle

Abstract

The Y2O3 films were deposited on quartz plates using an electron beam (EB) evaporation method with different interlayer. The two types of interlayer, which were compositionally graded and alternated stacks of Y2O3 and SiO2 layer, were applied with the intent to prevent flaking of the coating due to a thermal mismatch between the Y2O3 film and quartz substrate. The field emission scanning electron microscopy (FESEM) analysis indicated that the Y 2O3 film with interlayer which consisting of alternated stacks of Y2O3 and SiO2s layer, shows more structural stability, no crack propagation or flaking of the top layer, than other film samples. The plasma resistance of the Y2O3 films was analyzed by a plasma etching test using inductively coupled plasma (ICP) conditions with a gas mixture of CF4/O2. The etching resistance of the Y2O3 films was evaluated by measurement of etching depth. The etching depths of Y2O3 films with interlayer were shown as 20 times lower than quartz plate.

Original languageEnglish
Pages (from-to)539-543
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume120
Issue number1407
DOIs
Publication statusPublished - Nov 2012
Externally publishedYes

Fingerprint

Quartz
Physical vapor deposition
Electron beams
interlayers
quartz
electron beams
Plasmas
flaking
Etching
etching
Plasma etching
structural stability
Inductively coupled plasma
crack propagation
plasma etching
Gas mixtures
Field emission
gas mixtures
field emission
Crack propagation

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Plasma resistance of Y2O3 nanofilms on quartz with different interlayer deposited by EB-PVD. / Kim, Dae Min; Lee, Sung Min; Kim, In Ki; Jang, Byung Koog; Lim, Dae Soon; Oh, Yoon Suk.

In: Journal of the Ceramic Society of Japan, Vol. 120, No. 1407, 11.2012, p. 539-543.

Research output: Contribution to journalArticle

Kim, Dae Min ; Lee, Sung Min ; Kim, In Ki ; Jang, Byung Koog ; Lim, Dae Soon ; Oh, Yoon Suk. / Plasma resistance of Y2O3 nanofilms on quartz with different interlayer deposited by EB-PVD. In: Journal of the Ceramic Society of Japan. 2012 ; Vol. 120, No. 1407. pp. 539-543.
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