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Formation and dynamics of an Al(OH)_3 precipitation ring is studied by diffusing NaOH into a gel containing AlCl_3. Limited feeding of the outer electrolyte (NaOH) is found to yield an intricate ring-dynamics which involves stopping and…

Chemical Physics · Physics 2007-05-23 Istvan Lagzi , Peter Papai , Zoltan Racz

We present a microscopic analysis of the quantum solvation structures of para-H$_2$ around the OCS molecule when embedded in low temperature $^4$He droplets. The structures of clusters containing M=5 and 6 para-H$_2$ molecules are compared…

Condensed Matter · Physics 2009-11-10 Yongkyung Kwon , K. Birgitta Whaley

The control of the crystalline phases of the nanoparticles grown in a direct-current transferred-arc plasma-assisted reactor is reported. The crystalline phases of the as synthesized nanoparticles are shown to critically depend on the…

Picosecond dynamics of hydrated electrons and hydroxyl radicals generated in 200 nm photodissociation of aqueous hydroxide and 400 nm (3-photon) ionization of water in concentrated alkaline solutions were obtained. No deprotonation of…

The formation of ice in mixed phase clouds greatly impacts Earths hydrologic cycle. The intensity, distribution and frequency of precipitation as well as radiative properties of clouds in the mid latitudes are strongly influenced by the…

Atmospheric and Oceanic Physics · Physics 2019-06-17 Prasanth Prabhakaran , Gregory Kinney , Will Cantrell , Raymond A. Shaw , Eberhard Bodenschatz

Obtaining ultracold samples of dipolar molecules is a current challenge which requires an accurate knowledge of their electronic properties to guide the ongoing experiments. Alkali hydride molecules have permanent dipole significantly…

Atomic Physics · Physics 2009-01-09 Mireille Aymar , Johannes Deiglmayr , Olivier Dulieu

HCl, a 'textbook' example of a polar covalent molecule, is a well-known compound of hydrogen and chlorine. Inspired by the discovery of unexpected stable stoichiometries of sodium chlorides, we performed systematic searches for all stable…

Materials Science · Physics 2015-08-07 Qingfeng Zeng , Shuyin Yu , Duan Li , Gilles Frapper , Artem R. Oganov

Alignment of OCS, CS$_2$ and I$_2$ molecules embedded in helium nanodroplets is measured as a function of time following rotational excitation by a non-resonant, comparatively weak ps laser pulse. The distinct peaks in the power spectra,…

Surface nanobubbles are stable gaseous phases in liquids that form on solid substrates. While their existence has been confirmed, there are many open questions related to their formation and dissolution processes along with their structures…

Fluid Dynamics · Physics 2022-04-20 Zhizhao Che , Panagiotis E. Theodorakis

We have carried out a series of helium atom scattering measurements in order to characterise the adsorption properties of hydrogen on antimony(111). Molecular hydrogen does not adsorb at temperatures above 110 K in contrast to…

Materials Science · Physics 2017-05-25 Patrick Kraus , Christian Gösweiner , Anton Tamtögl , Florian Apolloner , Wolfgang E. Ernst

The phase stability of NiAl clusters of nanometer size was studied by using the embedded atom model and Monte Carlo simulation techniques. For temperatures of 500 and 1000 K and for a range of compositions below 70 at.% Al, the equilibrium…

Materials Science · Physics 2024-02-09 Susana Ramos de Debiaggi , Jose Miguel Campillo-Robles , Alejandro Caro

Rotationally resolved infrared spectra are reported for the X-HCN (X = Cl, Br, I) binary complexes solvated in helium nanodroplets. These results are directly compared with that obtained previously for the corresponding X-HF complexes [J.…

Atomic and Molecular Clusters · Physics 2016-07-06 Jeremy M. Merritt , Jochen Küpper , Roger E. Miller

Helium tagging in action spectroscopy is an efficient method for measuring the absorption spectrum of complex molecular ions with minimal perturbations to the gas phase spectrum. We have used superfluid helium nanodroplets doped with…

Atomic and Molecular Clusters · Physics 2019-12-19 Michael Gatchell , Paul Martini , Felix Laimer , Marcelo Goulart , Florent Calvo , Paul Scheier

The master equation for the cluster-size distribution function is solved numerically to investigate the electron-hole droplet formation claimed to be discovered in the direct-gap CuCl excited by picosecond laser pulses [Nagai {\em et al.},…

Condensed Matter · Physics 2009-11-10 L. Jiang , M. W. Wu , M. Nagai , M. Kuwata-Gonokami

Nanobubbles in liquids are mysterious gaseous objects having exceptional stability. They promise a wide range of applications but their production is not well controlled and localized. Alternating polarity electrolysis of water is a tool…

Soft Condensed Matter · Physics 2017-12-27 Alexander V. Postnikov , Ilia V. Uvarov , Nikita V. Penkov , Vitaly B. Svetovoy

Non-polar magnetic nanoparticles agglomerate upon cooling. This process is followed by in-situ small angle X-ray scattering to assess structural properties of the emerging agglomerates. On the length scale of a few particle diameters, no…

Soft Condensed Matter · Physics 2020-11-30 Christian Appel , Björn Kuttich , Tobias Kraus , Bernd Stühn

It has been recognized long ago that the presence of hot plasma in the inner accretion disks around black holes could lead to the neutron production via dissociation of helium nuclei. We show that, for a broad range of accretion parameters,…

Astrophysics · Physics 2009-11-07 A. A. Belyanin , E. V. Derishev

We introduce a method for classical trajectory calculations to simulate collisions between atoms and large rigid asymmetric-top molecules. Using this method, we investigate the formation of molecule-helium complexes in buffer-gas cooling…

Chemical Physics · Physics 2015-06-03 Zhiying Li , Eric J. Heller

Within a thermal model we estimate possible multiplicities of scalar glueballs in central Au+Au collisions at AGS, SPS, RHIC and LHC energies. For the glueball mass in the region 1.5-1.7 GeV, the model predicts on average (per event)…

High Energy Physics - Phenomenology · Physics 2009-11-11 I. N. Mishustin , L. M. Satarov , W. Greiner

Deposition of water on aerosol particles contributes to ice cloud formation in the atmosphere with implications for the water cycle and climate on Earth. The heterogeneous ice nucleation process is influenced by physico-chemical properties…

Chemical Physics · Physics 2013-09-13 Xiangrui Kong , Patrik U. Andersson , Erik S. Thomson , Jan B. C. Pettersson
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