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Journal Articles

Surface structures on $$beta$$-FeSi$$_2$$ formed by heat-treatment in ultra-high vacuum and their influence for homoepitaxial growth

Matsumura, Seidai*; Ochiai, Kunihito*; Udono, Haruhiko*; Esaka, Fumitaka; Yamaguchi, Kenji; Yamamoto, Hiroyuki; Hojo, Kiichi

Physics Procedia, 11, p.174 - 176, 2011/02

 Times Cited Count:3 Percentile:84.58

The surface structures on the surface of $$beta$$-FeSi$$_2$$ substrate after heat treatment in ultra high vacuum and their influence on homoepitaxial growth were investigated. It was found that the dip structures appeared on the surface of $$beta$$-FeSi$$_2$$ (100) substrate after heat treatment above 1023 K, where the evaporation of surface oxide layer (SiO$$_x$$) occurred. The composition of the dip structure was Fe-rich as compared to nominal $$beta$$-FeSi$$_2$$ composition (Si/Fe=2). This result indicates that the decomposition from $$beta$$-FeSi$$_2$$ to $$epsilon$$-FeSi would occur on the surface. The surface morphology observed after heat treatment depended on the orientation of the substrate. In addition, homoepitaxial films with smooth surface on $$beta$$-FeSi$$_2$$ (111) substrate at the growth temperature of 973 and 1073 K were obtained.

Oral presentation

Surface structure on $$beta$$-FeSi$$_2$$ substructure formed by heat-treatment in ultrahigh vacuum

Matsumura, Seidai*; Ochiai, Kunihito*; Udono, Haruhiko*; Esaka, Fumitaka; Yamaguchi, Kenji; Yamamoto, Hiroyuki; Hojo, Kiichi

no journal, , 

no abstracts in English

Oral presentation

Homoepitaxial growth of $$beta$$-FeSi$$_2$$ single crystal with sputter-etch treatment

Yamaguchi, Kenji; Matsumura, Seidai*; Yamanaka, Yusuke*; Hojo, Kiichi; Udono, Haruhiko*

no journal, , 

no abstracts in English

Oral presentation

Heat-treatment of $$beta$$-FeSi$$_2$$ substrate under Si vapor and homoepitaxy

Matsumura, Seidai*; Yamanaka, Yusuke*; Udono, Haruhiko*; Yamaguchi, Kenji; Esaka, Fumitaka; Hojo, Kiichi

no journal, , 

no abstracts in English

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