Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.2757201
Title: Morphology, surface structures, and magnetic properties of MnSb thin films and nanocrystallites grown on graphite
Authors: Zhang, H.
Kushvaha, S.S.
Wee, A.T.S. 
Wang, X.-S. 
Issue Date: 2007
Source: Zhang, H., Kushvaha, S.S., Wee, A.T.S., Wang, X.-S. (2007). Morphology, surface structures, and magnetic properties of MnSb thin films and nanocrystallites grown on graphite. Journal of Applied Physics 102 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2757201
Abstract: MnSb nanocrystallites and thin films have been grown on highly oriented pyrolytic graphite (HOPG) by codeposition of Mn and Sb in ultrahigh vacuum. The surface morphologies of these MnSb structures were investigated using in situ scanning tunneling microscopy (STM). With 5 nm nominal deposition, MnSb nanocrystallite chains with a typical width of 50 nm are formed along the HOPG step edges. A continuous MnSb film is formed after Mn and Sb codeposition on a HOPG precovered with an Sb wetting layer. The MnSb thin film surface exhibits mostly hexagonal-shaped MnSb(0001) plateaus of a few atomic layers in height. Atomic-resolution STM images revealed 2×2 and (23×23) R30° reconstructions on the MnSb(0001) surface and a 2×1 superstructure on MnSb (10 1- 1). X-ray photoelectron spectroscopy study showed that the Mn 2p peaks shift 2.5 eV with respect to that of elemental Mn, indicating the formation of MnSb compound. Vibrating sample magnetometry measurement showed that the MnSb film is ferromagnetic at room temperature, and is composed of mostly (0001)-oriented grains as well as some with other orientations. © 2007 American Institute of Physics.
Source Title: Journal of Applied Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/97261
ISSN: 00218979
DOI: 10.1063/1.2757201
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