Surface structures of cesium on Mo(110) surface investigated by RHEED

Maehara, Yasuhiro; Kawanowa, H.; Gotoh, Y.

doi:10.1016/j.susc.2004.05.024

Cited by 5 publications

(3 citation statements)

References 27 publications

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“…Moreover, the reports produced by Gotoh's group and Fedorus's group indicate that even bcc metals form super structures with triangle lattices, similarly to fcc metals on bcc substrates, when the film thickness is small. [6][7][8][9][10][11] Regarding the Ba depositant, many studies on the surface structures and growth modes of barium (Ba) deposited on a molybdenum (Mo) substrate have been performed up to date, for example, those reported in refs. 6-10.…”

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Slight Rotation of c(2×2) Structure of Ba/Mo(110) System

Jo¹,

Gotoh

2008

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The surface structures of a Ba/Mo(110) system have been investigated by reflection high-energy electron diffraction (RHEED). The characteristics of three surface structures, namely, the cð2Â2Þ, (1:6Â2), and (1:5Â1:8) structures, were already reported. In particular, the RHEED patterns due to the cð2Â2Þ structure have characteristic spots with small elongations, but the origin of such a feature and the characteristic aspect of atomic arrangements of the cð2Â2Þ structure have not been discussed up to now. In this paper, a new interpretation for the elongations of a RHEED pattern due to the cð2Â2Þ structure of the Ba/Mo(110) system is reported.

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“…The analysis of the elongated RHEED spots of the Cs/Mo(110) system was reported. 11) The rotations of surface structures might be a common feature of thin Ba and Cs films on Mo(110) substrates; however, the characteristics of streaks in first Laue zones of the materials are different.…”

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Slight Rotation of c(2×2) Structure of Ba/Mo(110) System

Jo¹,

Gotoh

2008

jjap

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“…Of all the alkali metals, sodium, potassium, rubidium, and cesium on the Mo(110) surface have been widely investigated experimentally and theoretically. [1][2][3][4][5][6][7][8][9] However, lithium, the lightest one of the alkali metals, has attracted much less interest. Little theoretical calculations have been carried out for the adsorption of lithium on the Mo(110) surface, 10 although some experimental works devoted to the study were reported in this system.…”

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ADSORPTION OFLiONMo(110) SURFACE: A FIRST-PRINCIPLES STUDY

Zhou

Nie

et al. 2009

Surf. Rev. Lett.

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Periodic, self-consistent, density functional theory calculations have been performed to investigate Li adsorption on Mo(110) surface. It turns out that the long-bridge site is the most stable site and the Li-Mo surface alloy forms easily at high coverage with the substitution of Mo by Li atoms in the outermost layer. Work function analysis showed that the work function decreases dramatically as the coverage from 0 to 0.5 ML, and finally increases again at the coverage of 1 ML, which agrees well with the experimental finding of Kroger et al. (Surf. Sci. 449 (2000) 227-235). Vibrational properties, diffusion barrier of Li along the Mo(110) surface, and the energy of formation of the surface have also been investigated for Li adsorption at various coverages.

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