Effect of ZrO 2 incorporation into high dielectric Gd 2O 3 film grown on Si(111)

S. A. Park, Y. S. Roh, Y. K. Kim, J. H. Baeck, M. Noh, K. Jeong, M. H. Cho, C. H. Chang, M. K. Joo, T. G. Kim, J. H. Song, D. H. Ko

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Gd2 O3 films, in which Zr O2 was incorporated, were epitaxially grown on Si(111) using an electron-beam evaporation and effusion method. The crystalline structure and morphological characteristics were investigated by various measurements. A silicide layer was locally formed during the initial growth stage due to interactions between elemental Gd and Si in the Gd2 O3 film, resulting in poor interfacial characteristics and extensive destruction of the crystalline structure. However, the incorporation of Zr O2 influenced the unit-cell structure of Gd2 O3, which contains oxygen vacancies that is located diagonally, enhancing the structural stability owing to the effective suppression of the interfacial layer. The effect on the initial growth stage as the result of incorporation improves the crystalline quality of the epitaxial Gd2 O3 film and structural coherence between the film and substrate.

Original languageEnglish
Article number024906
JournalJournal of Applied Physics
Volume98
Issue number2
DOIs
Publication statusPublished - 2005 Jul 15

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structural stability
destruction
retarding
evaporation
electron beams
oxygen
cells
interactions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Park, S. A. ; Roh, Y. S. ; Kim, Y. K. ; Baeck, J. H. ; Noh, M. ; Jeong, K. ; Cho, M. H. ; Chang, C. H. ; Joo, M. K. ; Kim, T. G. ; Song, J. H. ; Ko, D. H. / Effect of ZrO 2 incorporation into high dielectric Gd 2O 3 film grown on Si(111). In: Journal of Applied Physics. 2005 ; Vol. 98, No. 2.
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abstract = "Gd2 O3 films, in which Zr O2 was incorporated, were epitaxially grown on Si(111) using an electron-beam evaporation and effusion method. The crystalline structure and morphological characteristics were investigated by various measurements. A silicide layer was locally formed during the initial growth stage due to interactions between elemental Gd and Si in the Gd2 O3 film, resulting in poor interfacial characteristics and extensive destruction of the crystalline structure. However, the incorporation of Zr O2 influenced the unit-cell structure of Gd2 O3, which contains oxygen vacancies that is located diagonally, enhancing the structural stability owing to the effective suppression of the interfacial layer. The effect on the initial growth stage as the result of incorporation improves the crystalline quality of the epitaxial Gd2 O3 film and structural coherence between the film and substrate.",
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Park, SA, Roh, YS, Kim, YK, Baeck, JH, Noh, M, Jeong, K, Cho, MH, Chang, CH, Joo, MK, Kim, TG, Song, JH & Ko, DH 2005, 'Effect of ZrO 2 incorporation into high dielectric Gd 2O 3 film grown on Si(111)', Journal of Applied Physics, vol. 98, no. 2, 024906. https://doi.org/10.1063/1.1990263

Effect of ZrO 2 incorporation into high dielectric Gd 2O 3 film grown on Si(111). / Park, S. A.; Roh, Y. S.; Kim, Y. K.; Baeck, J. H.; Noh, M.; Jeong, K.; Cho, M. H.; Chang, C. H.; Joo, M. K.; Kim, T. G.; Song, J. H.; Ko, D. H.

In: Journal of Applied Physics, Vol. 98, No. 2, 024906, 15.07.2005.

Research output: Contribution to journalArticle

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AU - Park, S. A.

AU - Roh, Y. S.

AU - Kim, Y. K.

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AU - Noh, M.

AU - Jeong, K.

AU - Cho, M. H.

AU - Chang, C. H.

AU - Joo, M. K.

AU - Kim, T. G.

AU - Song, J. H.

AU - Ko, D. H.

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AB - Gd2 O3 films, in which Zr O2 was incorporated, were epitaxially grown on Si(111) using an electron-beam evaporation and effusion method. The crystalline structure and morphological characteristics were investigated by various measurements. A silicide layer was locally formed during the initial growth stage due to interactions between elemental Gd and Si in the Gd2 O3 film, resulting in poor interfacial characteristics and extensive destruction of the crystalline structure. However, the incorporation of Zr O2 influenced the unit-cell structure of Gd2 O3, which contains oxygen vacancies that is located diagonally, enhancing the structural stability owing to the effective suppression of the interfacial layer. The effect on the initial growth stage as the result of incorporation improves the crystalline quality of the epitaxial Gd2 O3 film and structural coherence between the film and substrate.

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