FeIISpin-Crossover Phenomenon in the Pentadecanuclear {Fe9[Re(CN)8]6} Spherical Cluster

2015 ◽  
Vol 127 (17) ◽  
pp. 5182-5186 ◽  
Author(s):  
Szymon Chorazy ◽  
Robert Podgajny ◽  
Koji Nakabayashi ◽  
Jan Stanek ◽  
Michał Rams ◽  
...  
Keyword(s):  
Spherical Cluster

scholarly journals Mono-energetic ions from collisionless expansion of spherical multi-species clusters

2009 ◽  
Vol 27 (2) ◽  
pp. 321-326 ◽  
Author(s):  
K.I. Popov ◽  
V.Yu. Bychenkov ◽  
W. Rozmus ◽  
V.F. Kovalev ◽  
R.D. Sydora
Keyword(s):  
Electron Temperature ◽  
Time Evolution ◽  
Hot Electrons ◽  
Ion Concentration ◽  
Energy Spectra ◽  
Plasma Expansion ◽  
Energetic Ions ◽  
Spherical Cluster ◽  
Light Ions ◽  
Unified Description

AbstractKinetic collisionless expansion of a spherical cluster composed of light and heavy cold ions and hot electrons is studied for arbitrary electron temperature. A wide set of regimes of plasma expansion, from nearly quasi-neutral to Coulomb explosion, is described from a unified description. The time evolution of the velocity, density, and energy spectra for accelerated ions is studied. The study demonstrates that an optimum light ion concentration from few percent to few tens percent, depending on the electron temperature, leads to a quasi-monoenergetic spectra with numbers as high as 70–80% of the total number of light ions.

Distribution of the nucleation rate in the vicinity of a growing spherical cluster

1993 ◽  
Vol 362 (1-2) ◽  
pp. 21-31 ◽  
Author(s):  
A. Milchev ◽  
W.S. Kruijt ◽  
M. Sluyters-Rehbach ◽  
J.H. Sluyters
Keyword(s):  
Nucleation Rate ◽  
Spherical Cluster

Vibration characteristic of bubbles inside a spherical cluster

2016 ◽  
Vol 47 (2) ◽  
pp. 024301
Author(s):  
ChengHui WANG ◽  
RunYang MO ◽  
Jing HU ◽  
MingDuo ZHANG
Keyword(s):  
Vibration Characteristic ◽  
Spherical Cluster

A hydrogen-bonded cluster with ‘onion-type’ structure, encapsulated and induced by a spherical cluster shell: [(H2O)n⊂ MoVI72MoV60O372(HCO2)30(H2O)72]42−

1999 ◽  
pp. 927-929 ◽  
Author(s):  
Achim Müller ◽  
Vladimir P. Fedin ◽  
Christoph Kuhlmann ◽  
Hartmut Bögge ◽  
Marc Schmidtmann
Keyword(s):  
Type Structure ◽  
Spherical Cluster ◽  
Hydrogen Bonded

Assessment of structure factors for analysis of small-angle scattering data from desired or undesired aggregates

2020 ◽  
Vol 53 (4) ◽  
pp. 991-1005
Author(s):  
Andreas Haahr Larsen ◽  
Jan Skov Pedersen ◽  
Lise Arleth
Keyword(s):  
Small Angle ◽  
Structure Factor ◽  
Protein Structures ◽  
Simulated Data ◽  
Small Angle Scattering ◽  
Scattering Data ◽  
Spherical Cluster ◽  
Structure Factors ◽  
Angle Scattering ◽  
Aggregation Processes

Aggregation processes are central features of many systems ranging from colloids and polymers to inorganic nanoparticles and biological systems. Some aggregated structures are controlled and desirable, e.g. in the design of size-controlled clustered nanoparticles or some protein-based drugs. In other cases, the aggregates are undesirable, e.g. protein aggregation involved in neurodegenerative diseases or in vitro studies of single protein structures. In either case, experimental and analytical tools are needed to cast light on the aggregation processes. Aggregation processes can be studied with small-angle scattering, but analytical descriptions of the aggregates are needed for detailed structural analysis. This paper presents a list of useful small-angle scattering structure factors, including a novel structure factor for a spherical cluster with local correlations between the constituent particles. Several of the structure factors were renormalized to get correct limit values in both the high-q and low-q limit, where q is the modulus of the scattering vector. The structure factors were critically evaluated against simulated data. Structure factors describing fractal aggregates provided approximate descriptions of the simulated data for all tested structures, from linear to globular aggregates. The addition of a correlation hole for the constituent particles in the fractal structure factors significantly improved the fits in all cases. Linear aggregates were best described by a linear structure factor and globular aggregates by the newly derived spherical cluster structure factor. As a central point, it is shown that the structure factors could be used to take aggregation contributions into account for samples of monomeric protein containing a minor fraction of aggregated protein. After applying structure factors in the analysis, the correct structure and oligomeric state of the protein were determined. Thus, by careful use of the presented structure factors, important structural information can be retrieved from small-angle scattering data, both when aggregates are desired and when they are undesired.

ChemInform Abstract: FeIISpin-Crossover Phenomenon in the Pentadecanuclear {Fe9[Re(CN)8]6} Spherical Cluster.

ChemInform ◽  
2015 ◽  
Vol 46 (28) ◽  
pp. no-no
Author(s):  
Szymon Chorazy ◽  
Robert Podgajny ◽  
Koji Nakabayashi ◽  
Jan Stanek ◽  
Michal Rams ◽  
...  
Keyword(s):  
Spherical Cluster

scholarly journals The Galaxy Mass Distribution from Mergers in a Collapsing Spherical Cluster

1996 ◽  
Vol 171 ◽  
pp. 444-444
Author(s):  
Nir J. Shaviv ◽  
Giora Shaviv
Keyword(s):  
Numerical Method ◽  
Mass Distribution ◽  
Combined Effect ◽  
Radial Position ◽  
Clusters Of Galaxies ◽  
Spherical Cluster ◽  
The Galaxy ◽  
Self Gravity

We examine the role of mergers in the formation and statistics of galaxies and clusters of galaxies. First steps in this direction were carried out by Shaviv & Shaviv (1993, ApJ.Lett., 412, L25) where the OD case was treated. The work is extended to examine the effect of self gravity. Thus, we essentially explore the combined effect of violent relaxation and mergers on the resulting structure and mass distribution of galaxies in clusters of galaxies. We developed a numerical method to treat the spherical 2D problem (radial position and velocity) of the evolution of a collapsing cluster of gas clouds (Shaviv & Shaviv, 1995, ApJ., 448, 514).

scholarly journals Giant Spherical Cluster with I ‐C 140 Fullerene Topology

2015 ◽  
Vol 54 (45) ◽  
pp. 13431-13435 ◽  
Author(s):  
Sebastian Heinl ◽  
Eugenia Peresypkina ◽  
Jörg Sutter ◽  
Manfred Scheer
Keyword(s):  
Spherical Cluster

Autoignition behavior of a spherical cluster consisted of a center fine droplet and surrounding twelve fine droplets

2015 ◽  
Vol 35 (2) ◽  
pp. 1629-1637 ◽  
Author(s):  
H. Kataoka ◽  
H. Yamashita ◽  
J. Tada ◽  
Y. Oka ◽  
Y. Morinaga ◽  
...  
Keyword(s):  
Spherical Cluster ◽  
Fine Droplet
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