SHELL STRUCTURE IN PHOTOIONIZATION SPECTRA OF LARGE ALUMINUM CLUSTERS

被引：61

作者：

PELLARIN, M ^{[1
]}

BAGUENARD, B ^{[1
]}

BROYER, M ^{[1
]}

LERME, J ^{[1
]}

VIALLE, JL ^{[1
]}

PEREZ, A ^{[1
]}

机构：

[1] UNIV LYON 1,DEPT PHYS MAT,CNRS,URA 172,F-69622 VILLEURBANNE,FRANCE

来源：

JOURNAL OF CHEMICAL PHYSICS | 1993年 / 98卷 / 02期

关键词：

D O I：

10.1063/1.464257

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Photoionization mass spectrometry experiments, performed on an extensive size range of aluminum clusters produced by laser vaporization technique, are reported. Ionization potential values are deduced from individual photoionization efficiency curves for the smaller Al(N) Clusters (N = 36-112). Our results confirm and complete those previously published. The mass spectra of larger clusters (N almost-equal-to 250-1400) reveal a regular signal oscillation. Several additional experiments give proof that this striking pattern originates from size-dependent ionization threshold effects. This structure exhibits exact periodicity as a function of N1/3 or N(e)1/13 (N(e) the number of valence electrons).

引用

页码：944 / 950

页数：7

共 24 条

[1] DISTRIBUTION OF EIGENFREQUENCIES FOR WAVE-EQUATION IN A FINITE DOMAIN .3. EIGENFREQUENCY DENSITY OSCILLATIONS
BALIAN, R
BLOCH, C
[J]. ANNALS OF PHYSICS, 1972, 69 (01) : 76 - &
[2] HIGH-RESOLUTION TIME-OF-FLIGHT MASS SPECTROMETERS .2. CROSS BEAM ION OPTICS
BERGMANN, T
GOEHLICH, H
MARTIN, TP
SCHABER, H
MALEGIANNAKIS, G
[J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1990, 61 (10) : 2585 - 2591
[3] CLOSED ORBITS AND REGULAR BOUND SPECTRUM
BERRY, MV
TABOR, M
[J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 1976, 349 (1656): : 101 - 123
[4] BRECHIGNAC C, 1992, NATO ADV SCI I C-MAT, V374, P369
[5] ELECTRONIC-STRUCTURE AND BINDING-ENERGIES OF ALUMINUM CLUSTERS
CHENG, HP
BERRY, RS
WHETTEN, RL
[J]. PHYSICAL REVIEW B, 1991, 43 (13): : 10647 - 10653
[6] A TIME-OF-FLIGHT MASS-SPECTROMETER FOR LARGE MOLECULAR CLUSTERS PRODUCED IN SUPERSONIC EXPANSIONS
CONOVER, CWS
TWU, YJ
YANG, YA
BLOOMFIELD, LA
[J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1989, 60 (06) : 1065 - 1070
[7] LARGE ION VOLUME TIME-OF-FLIGHT MASS-SPECTROMETER WITH POSITION-SENSITIVE AND VELOCITY-SENSITIVE DETECTION CAPABILITIES FOR CLUSTER BEAMS
DEHEER, WA
MILANI, P
[J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1991, 62 (03) : 670 - 677
[8] LASER PRODUCTION OF SUPERSONIC METAL CLUSTER BEAMS
DIETZ, TG
DUNCAN, MA
POWERS, DE
SMALLEY, RE
[J]. JOURNAL OF CHEMICAL PHYSICS, 1981, 74 (11) : 6511 - 6512
[9] EKARDT W, 1984, PHYS REV B, V29, P1558, DOI 10.1103/PhysRevB.29.1558
[10] ELECTRONIC SUPERSHELLS IN METAL-CLUSTERS
GENZKEN, O
BRACK, M
CHABANAT, E
MEYER, J
[J]. BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1992, 96 (09): : 1217 - 1220

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