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Colloidal crystallization utilizing interfaces of unidirectionally growing ice crystals

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Title: Colloidal crystallization utilizing interfaces of unidirectionally growing ice crystals
Authors: Suzuki, Yoshihisa Browse this author →KAKEN DB
Sazaki, Gen Browse this author →KAKEN DB
Hashimoto, Kaori Browse this author
Fujiwara, Takahisa Browse this author
Furukawa, Yoshinori Browse this author →KAKEN DB
Keywords: Directional solidification
Growth models
Nonlinear optic materials
Issue Date: 15-Nov-2013
Publisher: Elsevier science bv
Journal Title: Journal of crystal growth
Volume: 383
Start Page: 67
End Page: 71
Publisher DOI: 10.1016/j.jcrysgro.2013.08.026
Abstract: We show the possibility of unidirectional freezing of colloidal random suspensions as a novel method for growing colloidal crystals. First we confirmed the rejection of polystyrene particles from unidirectionally growing ice water interfaces by observing color gradations of colloidal crystals formed in front of the interfaces. The rejection of particles from the growing interfaces increased particle concentration in the colloidal crystals. Then we succeeded in achieving colloidal crystallization in front of ice water interfaces during the unidirectional freezing of water suspensions of polystyrene particles. The colloidal crystals thus brained exhibited a columnar shape that is typically observed in the unidirectional colloidal crysrallizarion using centrifugation. (C) 2013 Elsevier B.V. All rights reserved.
Type: article (author version)
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 佐崎 元

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