In Situ Studies of Highly Oriented Zn-Ni Alloy Electroplating by Using ECSTM

Abstract

Abstract: Based on a very effective “two-step-coating” method developed for ECSTM tip preparation, highly oriented Zn-Ni alloy electroplating was studied by in situ ECSTM. The in situ ECSTMobservation showed a 3-D growth of the Zn Ni alloy crystal in the absence of the additives. However, when additive AA-1/DIEwas introduced to the plating solution, the Zn-Ni alloy crystal grew along the step and layer by layer. This result indicated that the crystal plane of lower electrochemical activity may be reserved to form the highly oriented layer along the surface of the electrode. The X-ray diffraction patterns showed a highly oriented (100) crystal plane of the deposition along the electrode surface in the presence of AA-1/DIEadditive.

Key words: ECSTM, Electrodeposition, Zn-Ni alloy

CLC Number:

O646

TrendMD:

XIE Zhao-Xiong, MAO Bing-Wei, YANG Fang-Zu, ZHUO Xiang-Dong, MU Ji-Qian, TIAN Zhao-Wu . In Situ Studies of Highly Oriented Zn-Ni Alloy Electroplating by Using ECSTM[J]. Chem. J. Chinese Universities, 1998, 19(4): 609.

References

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