Correlation between electron loss and inverse photoemission measurements of alkali metals on metal surfaces

D. Heskett; K. H. Frank; K. Horn; E. E. Koch; H. J. Freund; A. Baddorf; K. D. Tsuei; E. W. Plummer

doi:10.1103/PhysRevB.37.10387

Correlation between electron loss and inverse photoemission measurements of alkali metals on metal surfaces

D. Heskett, K. H. Frank, K. Horn, E. E. Koch, H. J. Freund, A. Baddorf, K. D. Tsuei, E. W. Plummer

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74 Scopus citations

Abstract

We have used the techniques of electron loss spectroscopy (ELS) and inverse photoemission spectroscopy (IPES) to study the adsorption of Na on Al(111) as a function of coverage. We find a strong correlation between the energy of the primary loss feature in ELS and the unoccupied Na 3p level in IPES. This correlation allows us to interpret the ELS peak as an electronic transition for an Na coverage of less than one monolayer. For coverages greater than one Na layer, we observe an attenuation of the unoccupied 3p level and a conversion of the ELS feature into an electronic excitation (a surface or interfacial plasmon mode).

Original language	English
Pages (from-to)	10387-10390
Number of pages	4
Journal	Physical Review B
Volume	37
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.37.10387
State	Published - 1988
Externally published	Yes

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title = "Correlation between electron loss and inverse photoemission measurements of alkali metals on metal surfaces",

abstract = "We have used the techniques of electron loss spectroscopy (ELS) and inverse photoemission spectroscopy (IPES) to study the adsorption of Na on Al(111) as a function of coverage. We find a strong correlation between the energy of the primary loss feature in ELS and the unoccupied Na 3p level in IPES. This correlation allows us to interpret the ELS peak as an electronic transition for an Na coverage of less than one monolayer. For coverages greater than one Na layer, we observe an attenuation of the unoccupied 3p level and a conversion of the ELS feature into an electronic excitation (a surface or interfacial plasmon mode).",

author = "D. Heskett and Frank, {K. H.} and K. Horn and Koch, {E. E.} and Freund, {H. J.} and A. Baddorf and Tsuei, {K. D.} and Plummer, {E. W.}",

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doi = "10.1103/PhysRevB.37.10387",

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T1 - Correlation between electron loss and inverse photoemission measurements of alkali metals on metal surfaces

AU - Heskett, D.

AU - Frank, K. H.

AU - Horn, K.

AU - Koch, E. E.

AU - Freund, H. J.

AU - Baddorf, A.

AU - Tsuei, K. D.

AU - Plummer, E. W.

PY - 1988

Y1 - 1988

N2 - We have used the techniques of electron loss spectroscopy (ELS) and inverse photoemission spectroscopy (IPES) to study the adsorption of Na on Al(111) as a function of coverage. We find a strong correlation between the energy of the primary loss feature in ELS and the unoccupied Na 3p level in IPES. This correlation allows us to interpret the ELS peak as an electronic transition for an Na coverage of less than one monolayer. For coverages greater than one Na layer, we observe an attenuation of the unoccupied 3p level and a conversion of the ELS feature into an electronic excitation (a surface or interfacial plasmon mode).

AB - We have used the techniques of electron loss spectroscopy (ELS) and inverse photoemission spectroscopy (IPES) to study the adsorption of Na on Al(111) as a function of coverage. We find a strong correlation between the energy of the primary loss feature in ELS and the unoccupied Na 3p level in IPES. This correlation allows us to interpret the ELS peak as an electronic transition for an Na coverage of less than one monolayer. For coverages greater than one Na layer, we observe an attenuation of the unoccupied 3p level and a conversion of the ELS feature into an electronic excitation (a surface or interfacial plasmon mode).

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DO - 10.1103/PhysRevB.37.10387

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VL - 37

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EP - 10390

JO - Physical Review B

JF - Physical Review B

IS - 17

ER -

Correlation between electron loss and inverse photoemission measurements of alkali metals on metal surfaces

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