MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
An Attempt to Image Chemical Ordering in Close-Packed Layer of Mg–Zn–Y 18R Long-Period Stacking-Ordered Structure by Scanning Tunneling Microscopy
Shu KurokawaAkihiro YamaguchiAkira Sakai
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2013 Volume 54 Issue 7 Pages 1073-1076

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Abstract

For the first time, nanostructures of 18R (Mg85Zn6Y9) LPSO (long-period stacking-ordered) were examined using STM (scanning tunneling microscopy), which unambiguously confirmed the proposed model of the atomic structure of the LPSO phase in which the Zn–Y clusters are arranged in a two-dimensional hexagonal lattice in the (0001)hcp plane. The typical domain size of this hexagonal arrangement was estimated to range from several nanometers to a few tens of nanometers. In addition, the structures at the domain boundaries of the hexagonal arrangement were imaged and clarified by STM.

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© 2013 The Japan Institute of Metals and Materials
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