Citation: Li Jun YAO, Guo Xing XIONG, De Zheng WANG, Shi Shan SHENG, Heng Rong CHEN, Xie Xian GUO. ISS AND AES STUDIES OF CHANGES INDUCED ON Ni₃Ti(0001) BY OXYGEN EXPOSURE[J]. Chinese Chemical Letters, ;1996, 7(5): 497-498. shu

ISS AND AES STUDIES OF CHANGES INDUCED ON Ni₃Ti(0001) BY OXYGEN EXPOSURE

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics,Chinese Academy of Sciences P.O.Box 110, Dalian 116023

Received Date: 10 July 1995

The surface compositional changes of Ni₃Ti(0001) induced by oxygen exposure have been examined at different dosing temperatures.Oxygen induced segregation of titanium occurs rapidly above 500℃,but only rearrangement betweeen nickel and titanium in the outer two or more layers occurs upon oxygen exposure at room temperature.Oxygen atoms penetrate into the sublayers of Ni₃Ti(0001) at 500℃ and reside mainly on the surface at room temperature.
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