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Chinese Physics, 2006, Vol. 15(8): 1892-1895    DOI: 10.1088/1009-1963/15/8/044
CROSS DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY Prev   Next  

Scanning tunnelling microscope studies of growth of RuO2(110) thin layer on Ru(0001)

Zhang Han-Jie(张寒洁), Lü Bin(吕斌), Lu Yun-Hao(陆赟豪), Huang Han(黄寒), Li Hai-Yang(李海洋), Bao Shi-Ning(鲍世宁), and He Pei-Mo(何丕模)
Department of Physics, Zhejiang University, Hangzhou 310027,China
Abstract  This paper reports that the growth of RuO2(110) thin layer growth on Ru(0001) has been investigated by means of scanning tunnelling microscope (STM). The STM images showed a domain structure with three rotational domains of RuO2(110) rotated by an angle of 120℃. The as-grown RuO2(110) thin layer is expanded from the bulk-truncated RuO2(110) due to the large mismatch between RuO2(110) and the Ru(0001) substrate. The results also indicate that growth of RuO2(110) thin layer on the Ru(0001) substrate by oxidation tends first to formation of the Ru-O (oxygen) chains in the [001] direction of RuO2(110).
Keywords:  ruthenium oxide      growth      scanning tunnelling microscope  
Received:  07 July 2005      Revised:  13 April 2006      Accepted manuscript online: 
PACS:  68.37.Ef (Scanning tunneling microscopy (including chemistry induced with STM))  
  68.55.-a (Thin film structure and morphology)  
  68.37.Ps (Atomic force microscopy (AFM))  
  68.47.Gh (Oxide surfaces)  
  07.79.Cz (Scanning tunneling microscopes)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10274072), and the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No 20030335017).

Cite this article: 

Zhang Han-Jie(张寒洁), Lü Bin(吕斌), Lu Yun-Hao(陆赟豪), Huang Han(黄寒), Li Hai-Yang(李海洋), Bao Shi-Ning(鲍世宁), and He Pei-Mo(何丕模) Scanning tunnelling microscope studies of growth of RuO2(110) thin layer on Ru(0001) 2006 Chinese Physics 15 1892

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