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Article citations


Shpyrko, O.G., Streitel, R., Balagurusamy, V.S.K., Grigoriev, A.Y., Deutsch, M., Ocko, B.M., Meron, M., Lin, B. and Pershan, P.S. (2007) Crystalline Surface Phases of the Liquid Au-Si Eutectic Alloy. Physical Review B, 76, Article ID: 245436.

has been cited by the following article:

  • TITLE: Au Nanoparticle Formation from Amorphous Au/Si Multilayer

    AUTHORS: Masami Aono, Takashi Ueda, Hiroshi Abe, Shintaro Kobayashi, Katsuhiko Inaba

    KEYWORDS: Amorphous Au/Si Multilayer, Au Nanoparticle, Low Eutectic Point, Metal Induced Crystallization, Irreversible Morphological Transformation, Reversible l-AuSi-c-Au Nanoparticle Phase Transition

    JOURNAL NAME: Journal of Crystallization Process and Technology, Vol.4 No.4, October 10, 2014

    ABSTRACT: By direct observations of transmission electron microscopy (TEM), irreversible morphological transformations of as-deposited amorphous Au/Si multilayer (a-Au/a-Si) were observed on heating. The well arrayed sequence of the multilayer changed to zigzag layered structure at 478 K (=Tzig). Finally, the zigzag structure transformed to Au nanoparticles at 508 K. The distribution of the Au nanoparticles was random within the thin film. In situ X-ray diffraction during heating can clarify partial crystallization Si (c-Si) in the multilayer at 450 K (= ), which corresponds to metal induced crystallization (MIC) from amorphous Si (a-Si) accompanying by Au diffusion. On further heating, a-Au started to crystallize at around 480 K (=Tc) and gradually grew up to 3.2 nm in radius, although the volume of c-Si was almost constant. Continuous heating caused crystal Au (c-Au) melting into liquid AuSi (l-AuSi) at 600 K (= ), which was lower than bulk eutectic temperature ( ). Due to the AuSi eutectic effect, reversible phase transition between liquid and solid occurred once temperature is larger than . Proportionally to the maximum temperatures at each cycles (673, 873 and 1073 K), both and Au crystallization temperature approaches to . Using a thermodynamic theory of the nanoparticle formation in the eutectic system, the relationship between and the nanoparticle size is explained.