Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 8    No. 3    September 1998

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GRAIN PREFERENTIAL ORIENTATION OF Ag/Ni MULTILAYERED FILM
Wang Yuansheng

Central Laboratory, Fuzhou University, Fuzhou 350002, P. R. China

Abstract:Grain preferential orientation of Ag/Ni multilayered films with different layer thicknesses (each Ag and Ni layer consists of 5, 8, 20 and 40 atomic planes for different films respectively) have been investigated by transmission electron microscopy. For Ag and Ni grains of fcc lattice structure, there is a dominant [111] preferential orientation along the growth direction, the film is mainly [111] textured. But the texture axis may deviate for about 20°and some extend of〈121〉texture may be formed as the result. Increasing of the layer thickness restrains this axial deviation and enhances [111] texture. The electron diffraction analysis indicates that multilayered film may consist of columnar structure, Ag and Ni grains in each column take the same orientation while grains in adjacent columns have correlated but somewhat different in-plane orientations. At the first stage of deposition of layers on the glass substrate, the grains show preferential orientation in growth direction only, the in-plane orientations are at random. The in-plane texture of the film is formed when the deposition is further proceeded.

 

Key words: multilayered film electron diffraction preferential orientation texture

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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