LOW WORK FUNCTION AND SURFACE STRUCTURE OF THE LaB//6(210) SURFACE STUDIED BY ANGLE-RESOLVED X-RAY SPECTROSCOPY, ULTRAVIOLET SPECTROSCOPY, AND LOW-ENERGY ELECTRON DIFFRACTION.

C. Oshima; M. Aono; T. Tanaka; R. Nishitani; S. Kawai

doi:10.1063/1.327681

LOW WORK FUNCTION AND SURFACE STRUCTURE OF THE LaB//6(210) SURFACE STUDIED BY ANGLE-RESOLVED X-RAY SPECTROSCOPY, ULTRAVIOLET SPECTROSCOPY, AND LOW-ENERGY ELECTRON DIFFRACTION.

C. Oshima, M. Aono, T. Tanaka, R. Nishitani, S. Kawai

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

A clean surface of LaB//6(210) has the low work function of 2. 2 plus or minus 0. 1 eV at room temperature, which is lower than those of the (100), (110), and (111) surfaces. La atoms exist in a (1 multiplied by 1) ordered structure at the outermost layer of the (210) clean surface. The value of the low work function of LaB//6 is discussed on the basis of the data together with the Lang-Kohn theory. The work function changes from 2. 2 to 3. 1 eV with oxygen exposure and saturates above about 15 L; the periodicity of the surface-atomic lattice disappears almost completely.

Original language	English
Pages (from-to)	997-1000
Number of pages	4
Journal	Journal of Applied Physics
Volume	51
Issue number	2
DOIs	https://doi.org/10.1063/1.327681
Publication status	Published - 1980 Feb

ASJC Scopus subject areas

Physics and Astronomy(all)
Physics and Astronomy (miscellaneous)

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LOW WORK FUNCTION AND SURFACE STRUCTURE OF THE LaB//6(210) SURFACE STUDIED BY ANGLE-RESOLVED X-RAY SPECTROSCOPY, ULTRAVIOLET SPECTROSCOPY, AND LOW-ENERGY ELECTRON DIFFRACTION. / Oshima, C.; Aono, M.; Tanaka, T.; Nishitani, R.; Kawai, S.

In: Journal of Applied Physics, Vol. 51, No. 2, 02.1980, p. 997-1000.

Research output: Contribution to journal › Article › peer-review

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abstract = "A clean surface of LaB//6(210) has the low work function of 2. 2 plus or minus 0. 1 eV at room temperature, which is lower than those of the (100), (110), and (111) surfaces. La atoms exist in a (1 multiplied by 1) ordered structure at the outermost layer of the (210) clean surface. The value of the low work function of LaB//6 is discussed on the basis of the data together with the Lang-Kohn theory. The work function changes from 2. 2 to 3. 1 eV with oxygen exposure and saturates above about 15 L; the periodicity of the surface-atomic lattice disappears almost completely.",

author = "C. Oshima and M. Aono and T. Tanaka and R. Nishitani and S. Kawai",

year = "1980",

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doi = "10.1063/1.327681",

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AU - Kawai, S.

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N2 - A clean surface of LaB//6(210) has the low work function of 2. 2 plus or minus 0. 1 eV at room temperature, which is lower than those of the (100), (110), and (111) surfaces. La atoms exist in a (1 multiplied by 1) ordered structure at the outermost layer of the (210) clean surface. The value of the low work function of LaB//6 is discussed on the basis of the data together with the Lang-Kohn theory. The work function changes from 2. 2 to 3. 1 eV with oxygen exposure and saturates above about 15 L; the periodicity of the surface-atomic lattice disappears almost completely.

AB - A clean surface of LaB//6(210) has the low work function of 2. 2 plus or minus 0. 1 eV at room temperature, which is lower than those of the (100), (110), and (111) surfaces. La atoms exist in a (1 multiplied by 1) ordered structure at the outermost layer of the (210) clean surface. The value of the low work function of LaB//6 is discussed on the basis of the data together with the Lang-Kohn theory. The work function changes from 2. 2 to 3. 1 eV with oxygen exposure and saturates above about 15 L; the periodicity of the surface-atomic lattice disappears almost completely.

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LOW WORK FUNCTION AND SURFACE STRUCTURE OF THE LaB//6(210) SURFACE STUDIED BY ANGLE-RESOLVED X-RAY SPECTROSCOPY, ULTRAVIOLET SPECTROSCOPY, AND LOW-ENERGY ELECTRON DIFFRACTION.

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