By FIM the atomic arrangement of a GP left bracket 1 right bracket zone in an aged Al-Cu alloy is resolved into isolated spots on the right brace 024 left brace planes. These resolved spots are identified as the images produced by individual Cu atoms of the GP left bracket 1 right bracket zone protruding on the right brace 0. 24 left brace surfaces. By observing the position and shape formed by the spots corresponding to the Cu atoms during the successive field evaporaton, it is concluded that a GP left bracket 1 right bracket zone consists of a single layer of Cu atoms on the right brace 002 left brace planes.
|Japanese Journal of Applied Physics
|出版済み - 1983
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