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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.1
- 수록면
- 60 - 65 (6page)
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A nanolaminate consisting of alternate layers of aluminium oxide (Al2O3) (5 nm) and zirconium oxide (ZrO2) (20 nm) was deposited at an optimized oxygen partial pressure of 3×10-2 mbar by pulsed laser deposition. The nanolaminate film was analysed using high temperature X-ray diffraction (HTXRD) to study phase transition and thermal expansion behaviour. The surface morphology was investigated using field emission scanning electron microscopy (FE-SEM). High temperature X-ray diffraction indicated the crystallization temperature of tetragonal zirconia in the Al2O3/ZrO2 multilayer -film was 873 K. The mean linear thermal expansion coefficient of tetragonal ZrO2 was 4.7×10-6 K-1 along a axis, while it was 13.68×10-6 K-1 along c axis in the temperature range 873-1373 K. The alumina was in amorphous nature. The FESEM studies showed the formation of uniform crystallites of zirconia with dense surface.
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참고문헌 (24)
참고문헌 신청
Aita, C. R. / 1996 / Thermodynamics of tetragonal zirconia formation in a nanolaminate film / Journal of Applied Physics 79 (2) : 1176 ~ 1178
Aita, C. R. / 2004 / Zirconia-metal (Al, Y, Ti) oxide nanolaminate films / Surface and Coating Technology 188 : 179 ~ 185
Aita, C. R. / 2008 / Reactive sputter deposition of metal oxide nanolaminates / Journal of Physics: Condensed Matter 20 (26) : 264006 ~
Andritschky, M. / 1997 / Thermal stability of zirconia/alumina thin coatings produced by magnetron sputtering / Surface and Coating Technology 94 (1) : 144 ~ 148
Balakrishnan, G. / 2011 / Influence of oxygen partial pressure on the properties of pulsed laser deposited nanocrystalline zirconia thin films / Applied Surface Science 257 (
Aita, C. R. / 2004 / Zirconia-metal (Al, Y, Ti) oxide nanolaminate films / Surface and Coating Technology 188 : 179 ~ 185
Aita, C. R. / 2008 / Reactive sputter deposition of metal oxide nanolaminates / Journal of Physics: Condensed Matter 20 (26) : 264006 ~
Andritschky, M. / 1997 / Thermal stability of zirconia/alumina thin coatings produced by magnetron sputtering / Surface and Coating Technology 94 (1) : 144 ~ 148
Balakrishnan, G. / 2011 / Influence of oxygen partial pressure on the properties of pulsed laser deposited nanocrystalline zirconia thin films / Applied Surface Science 257 (
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