Ups of negative aluminum clusters

K. J. Taylor; C. L. Pettiette; M. J. Craycraft; O. Chesnovsky; R. E. Smalley

doi:10.1016/0009-2614(88)80104-0

Ups of negative aluminum clusters

K. J. Taylor^*, C. L. Pettiette, M. J. Craycraft, O. Chesnovsky, R. E. Smalley

^*Corresponding author for this work

Rice University

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

152 Scopus citations

Abstract

Ultraviolet photoelectron spectroscopy (UPS) of negative aluminum clusters in the size range of 3-32 atoms is presented. The clusters are prepared in a supersonic beam by laser vaporization, and an ArF excimer laser (6.42 eV) is used for photodetachment. The electron affinities (EA) of the neutral clusters are peaked at cluster sizes of 6, 13, 19, and 23, which is consistent with a shell model of electronic structure. Additionally, a size-dependent increase in the photoelectron yield at 5 eV binding energy in the UPS data can be interpreted as the merging of the 3s and 3p valence bands.

Original language	English
Pages (from-to)	347-352
Number of pages	6
Journal	Chemical Physics Letters
Volume	152
Issue number	4-5
DOIs	https://doi.org/10.1016/0009-2614(88)80104-0
State	Published - 18 Nov 1988
Externally published	Yes

Funding

Funders	Funder number
Division of Chemical Sciences
U.S. Department of Energy
Welch Foundation

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10.1016/0009-2614(88)80104-0

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title = "Ups of negative aluminum clusters",

abstract = "Ultraviolet photoelectron spectroscopy (UPS) of negative aluminum clusters in the size range of 3-32 atoms is presented. The clusters are prepared in a supersonic beam by laser vaporization, and an ArF excimer laser (6.42 eV) is used for photodetachment. The electron affinities (EA) of the neutral clusters are peaked at cluster sizes of 6, 13, 19, and 23, which is consistent with a shell model of electronic structure. Additionally, a size-dependent increase in the photoelectron yield at 5 eV binding energy in the UPS data can be interpreted as the merging of the 3s and 3p valence bands.",

author = "Taylor, {K. J.} and Pettiette, {C. L.} and Craycraft, {M. J.} and O. Chesnovsky and Smalley, {R. E.}",

note = "Funding Information: We thank Winston Saunders for the program which we used to calculate the eigenvalues for the ellipsoidal Hamiltonian. Our thanks also go to M.Y. Chou and T. Upton for their discussions with us as well as sharing their unpublished data. This work has been supported by US Department of Energy, Division of Chemical Sciences and the Kobert A. Welch Foundation.",

year = "1988",

month = nov,

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doi = "10.1016/0009-2614(88)80104-0",

language = "אנגלית",

volume = "152",

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T1 - Ups of negative aluminum clusters

AU - Taylor, K. J.

AU - Pettiette, C. L.

AU - Craycraft, M. J.

AU - Chesnovsky, O.

AU - Smalley, R. E.

N1 - Funding Information: We thank Winston Saunders for the program which we used to calculate the eigenvalues for the ellipsoidal Hamiltonian. Our thanks also go to M.Y. Chou and T. Upton for their discussions with us as well as sharing their unpublished data. This work has been supported by US Department of Energy, Division of Chemical Sciences and the Kobert A. Welch Foundation.

PY - 1988/11/18

Y1 - 1988/11/18

N2 - Ultraviolet photoelectron spectroscopy (UPS) of negative aluminum clusters in the size range of 3-32 atoms is presented. The clusters are prepared in a supersonic beam by laser vaporization, and an ArF excimer laser (6.42 eV) is used for photodetachment. The electron affinities (EA) of the neutral clusters are peaked at cluster sizes of 6, 13, 19, and 23, which is consistent with a shell model of electronic structure. Additionally, a size-dependent increase in the photoelectron yield at 5 eV binding energy in the UPS data can be interpreted as the merging of the 3s and 3p valence bands.

AB - Ultraviolet photoelectron spectroscopy (UPS) of negative aluminum clusters in the size range of 3-32 atoms is presented. The clusters are prepared in a supersonic beam by laser vaporization, and an ArF excimer laser (6.42 eV) is used for photodetachment. The electron affinities (EA) of the neutral clusters are peaked at cluster sizes of 6, 13, 19, and 23, which is consistent with a shell model of electronic structure. Additionally, a size-dependent increase in the photoelectron yield at 5 eV binding energy in the UPS data can be interpreted as the merging of the 3s and 3p valence bands.

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IS - 4-5

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Ups of negative aluminum clusters

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