Small Particles and Inorganic Clusters: Proceedings of the Fourth International Meeting on Small Particles and Inorganic Clusters University Aix-Marseille III Aix-en-Provence, France, 5–9 July 1988

Front Matter....Pages I-1
The smoke ion source: a device for the generation of cluster ions via inert gas condensation....Pages 3-6
Electron diffraction studies of pulsed cluster beams....Pages 7-9
Equilibrium intermetallic particles in the gas phase—A Knudsen cell mass spectrometric study....Pages 11-13
Neutralization and matrix deposition experiments on mass-selected silver atoms and clusters....Pages 15-18
Palladium particles growth on various aluminas....Pages 19-22
Comparison between the growth of gold particles onto MgO and amorphous carbon substrates by in situ electrical conductance measurements....Pages 23-26
Morphology determination of small particles by electron microscopy and electrical conduction measurements....Pages 27-29
Size-dependent thermodynamic properties of silver aggregates. Simulation of the photographic development process....Pages 31-35
Sodium clusters in zeolites....Pages 37-40
Minimal spanning tree analysis of regular, random and cluster structures....Pages 41-44
On the structure and stability of small metal particles: high-resolution UHV electron microscope study....Pages 45-51
A group theoretical paradigm for describing the skeletal molecular orbitals of cluster compounds. Part 3....Pages 53-59
Theoretical studies on carbon and silicon clusters: comparison of the structures and stabilities of neutral and ionic forms....Pages 61-64
Quantum mechanics and the structure of noble-gas clusters....Pages 65-68
Binding energy of large icosahedral and cuboctahedral Lennard-Jones clusters....Pages 69-71
Energy barriers and structural transitions of small Al clusters....Pages 73-75
Model potential for beryllium clusters....Pages 77-79
Structure and dynamics of Lennard-Jones clusters with impurities....Pages 81-83
Stability of relaxed Lennard-Jones models made of 500 to 6000 atoms....Pages 85-87
Description of metallic and covalent clusters with icosahedral symmetry: the polytope model....Pages 89-92
Structural transition in SF 6 clusters....Pages 93-96
Electron diffraction on unsupported ultrafine silver particles....Pages 97-101
Structure of Ag, Fe and Ge microclusters....Pages 103-105
Structure investigation of multiply—twinned Ni particles by electron investigation....Pages 107-111
Structure of an icosahedral palladium particle....Pages 113-114
Structural investigations of metal clusters by HREM....Pages 115-118
The structure of small penta-twinned gold particles....Pages 119-121
Electron microscope studies of the regular twinning structure and the grain boundary structure in a system of cobalt particles....Pages 123-125
Fine particles of icosahedral quasicrystal formed by gas evaporation technique....Pages 127-129
Lattice imaging of bismuth clusters....Pages 131-134
Modes of deformation under varied tensile directions in laminar, colloidal gold....Pages 135-138
Atomic structural rearrangements induced by electron beam heating of coalesced palladium particles....Pages 139-144
Structure of small palladium particles studied by HRTEM....Pages 145-148
Size distribution of Bi clusters deposits on amorphous carbon substrates....Pages 149-152
Stresses induced in the deposit substrate interface during particles growth....Pages 153-156
Nm-sized crystallites embedded in single crystalline films of magnesium oxide....Pages 157-160
Small clusters: between dynamics and thermodynamics....Pages 161-165
Dynamic and quantum size effects in molecular clusters....Pages 167-171
Computer simulations of photoionization....Pages 173-175
Rotating clusters: centrifugal distortion, isomerization, fragmentation....Pages 177-180
More on the melting of Lennard-Jones clusters....Pages 181-183
Thermal decay of Lennard-Jones clusters....Pages 185-187
Dynamics of transition-metal clusters....Pages 189-191
The thermal motion of gold atoms in metal cluster compounds as determined by Mössbauer and specific heat....Pages 193-197
Stability of alkali-atom clusters....Pages 199-203
Jellium-model calculation for monomer and dimer decays of some potassium clusters....Pages 205-208
Theoretical study of the stability of X n N ( n = −1, 0, + 1, +2; X = Ag, Cu; N ≤25) clusters as a function of size using a non-local density functional formalism....Pages 209-211
Theory of fragmentation of metal clusters....Pages 213-215
Evaporation of tetramers in Sb 4n clusters and conditions for the formation of Sb 2n+1 clusters....Pages 217-219
Role of fragmentation processes in the liquid metal ion source production of aggregates....Pages 221-224
Cluster cations ejected from liquid metal ion source: alkali metals (Li, Na) and group IV elements (Si, Ge, Sn, Pb)....Pages 225-227
Sputtered metal and silicon cluster ions: collision-induced fragmentation and neutralization....Pages 229-233
Enrichment of Zintl cluster ions....Pages 235-236
Enrichment and segregation in alkali heteroclusters....Pages 237-239
Metal-insulator transitions in microclusters? Mixed sodium/sodium chloride aggregates....Pages 241-244
Dissociation of small metal particles induced by surface plasmon excitation with laser light....Pages 245-247
Sodium halide clusters: evidence for direct electronic fragmentation....Pages 249-251
Ionization dynamics of van-der-Waals clusters....Pages 253-261
Metastable decay of rare gas cluster ions: mechanism and kinetics....Pages 263-267
Intra-cluster ion-molecule reactions and photodissociation of molecular clusters....Pages 269-271
Magic numbers of large rare gas clusters....Pages 273-274
Fragmentation of neutral van der Waals clusters with visible laser light: a new variant of the Raman effect?....Pages 275-277
Multiply charged cluster ions of Ar, Kr, Xe, N 2 , O 2 , CO 2 SO 2 and NH 3 : Production mechanism, appearance size and appearance energy....Pages 279-281
Quantized losses from charged nitrogen clusters....Pages 283-284
Observation and investigation of metastable decay series of (N 2 ) + n cluster ions....Pages 285-287
Electron attachment to clusters composed of closed shell, hydrogen containing molecules....Pages 289-290
A mechanism of electron attachment to small clusters....Pages 291-292
Electron bombardment fragmentation of size selected molecular clusters....Pages 293-295
Kinetic energy release of clusters after multiphoton ionisation with time of flight and electrostatic analyser techniques....Pages 297-301
Interactions of electrons with SF 6 : ionization and attachment....Pages 303-305
General properties of the electronic structure of alkali metal clusters and Ia-IIa mixed clusters....Pages 307-314
Metallic free clusters....Pages 315-318
Electronic structure of metal clusters....Pages 319-326
Electronic properties of small platinum particles as seen by NMR....Pages 327-332
Investigation of local chemical and electronic properties of small particles with EELS point analysis and image energy filtering in a STEM....Pages 333-339
Electronic correlation and effective interactions in small alkali clusters....Pages 341-346
New methods for the calculation of the electronic structure of clusters: application for Na 13 to Na 147 ....Pages 347-351
Static electric dipole polarizability of small sodium aggregates....Pages 353-356
Electronic structure and stability of charged beryllium clusters....Pages 357-359
Magnetism and local order....Pages 361-363
Calculation of the size dependence of the ionization energy and autoionization energy of Hg-clusters....Pages 365-367
Shell structure of electronic states of Cu clusters....Pages 369-371
The nickel-group IV molecules NiC, NiSi, and NiGE....Pages 373-376
First-principles calculations of K-edge X-ray absorption near edge spectra of some transition metal dimers....Pages 377-380
Compared electronic structure of negative ions M p C − n : I. Normal elements in Hückel theory....Pages 381-386
Electronic structure of spheroidal metal containing carbon shells: study of the LaC 60 and C 60 clusters and their ions within the local density approximation....Pages 387-390
Molecular orbital calculations on transition metal clusters....Pages 391-394
Bonding in nickel cluster carbonyls....Pages 395-397
NMR in aluminum small particles in high magnetic field....Pages 399-400
Size dependence of the paramagnetic susceptibility of Mg and Zn clusters....Pages 401-403
Photoemission from tin and lead cluster anions....Pages 405-409
Electronic and chemical properties of indium clusters....Pages 411-413
Anomalous nuclear spin-lattice relaxation in copper small particles....Pages 415-416
Core edge energy loss studies of Pd clusters on graphite....Pages 417-420
Auger and electron energy loss spectroscopies of small palladium particles supported on (111) oriented MgO films....Pages 421-424
Electron distribution of small Ni particles and Ce ions in X and Y zeolites related to their catalytic properties....Pages 425-429
Vacuum-UV photoemission-photoion coincidence spectroscopy of neutral metal atom clusters....Pages 431-434
Fluorescence of rare gas clusters excited with synchrotron radiation....Pages 435-437
Ionization energies of cesium and cesium oxide clusters....Pages 439-442
Electronic shell structure in Cs-O clusters....Pages 443-444
Physical properties of high-nuclearity metal cluster compounds....Pages 445-450
NMR of metal-core bonded 31 P in polynuclear metal cluster compounds....Pages 451-452
Magnetic properties and EPR spectroscopy of molecular metal clusters....Pages 453-455
EPR on the high-nuclearity palladium cluster Pd 561 Phen 36 O 200 ....Pages 457-459
Ac and dc electrical conductivity of polynuclear metal cluster compounds....Pages 461-464
Electrical and magnetic properties of thin films containing metal clusters....Pages 465-467
Optical absorption of small metallic particles....Pages 469-470
The size dependent shift of the surface plasmon absorption band of small spherical metal particles....Pages 471-475
Investigation of surface plasma resonances in small sodium clusters....Pages 477-479
Absorption spectroscopy of size-selected trimers and pentamers transition metal clusters isolated in rare gas solids: preliminary steps....Pages 481-484
Fluorescence spectroscopy of laser vaporized species....Pages 485-487
UV-visible and Raman investigations of matrix isolated adducts between metal vapors of chromium and benzene: selective photoirradiations effects....Pages 489-492
Nanosecond emission spectra in μm space of Si particles sputtered by laser irradiation....Pages 493-496
Melting for lead particles of very small sizes; influence of surface phenomena....Pages 497-500
Nonlinear optics in quantum confined semiconductor particles....Pages 501-504
Many-cluster-systems: models of inhomogeneous matter....Pages 505-514
Optical properties of systems containing Au 55 -clusters....Pages 515-520
Electronic excitations in many-particle systems: A quantitative analysis....Pages 521-525
Precursor-states of percolation in quasi-fractal many-particlesystems....Pages 527-532
The relationship of Au 55 (PPh 3 ) 12 Cl 6 to colloidal gold....Pages 533-536
Reactivity of free clusters....Pages 537-541
Cluster-model study of the interaction of halogen atoms with Ag clusters....Pages 543-546
On the splitting of the CO 1π level in the chemisorption system CO/Ni(111): substrate or lateral interaction?....Pages 547-550
Chemisorption and chemical reactions on size selected clusters....Pages 551-554
Sequential reactions of silicon clusters with SiD 4 : constrained heterogeneous nucleation of deuterated silicon particles....Pages 555-561
Monitoring adsorption on small particles....Pages 563-565
Reactions of small carbon cluster ions with HCN: A structural probe....Pages 567-570
Reaction of Al n clusters with oxygen and ammonia....Pages 571-573
Size effects in the CO-oxidation over supported Pd particles....Pages 575-578
Influence of the precursors on the properties of alumina supported rhodium particles....Pages 579-582
Influence of dispersion on the energies of adsorption: H 2 , CO, propylene and propyne on supported Pd or Pt....Pages 583-586
Electronic effect induced by variation of size for Pd clusters in 1, 3-butadiene hydrogenation....Pages 587-590
Structure flexibility of iridium metal aggregates. Comparison with platinum and rhodium....Pages 591-595
Surface oxidation and reduction of small platinum particles observed by in-situ X-ray diffraction....Pages 597-600
Optical and chemical studies of II–VI compound clusters....Pages 601-603
Conclusions....Pages 605-607
Back Matter....Pages 609-612