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Atoms
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Eleventh International Conference on Atomic and Molecular Data and Their...
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Eleventh International Conference on Atomic and Molecular Data and Their Applications

A special issue of Atoms (ISSN 2218-2004).

Deadline for manuscript submissions: closed (30 June 2019) | Viewed by 22149

Printed Edition Available!
A printed edition of this Special Issue is available here.

Special Issue Editors

Dr. James F. Babb

E-Mail Website
Guest Editor
Institute for Theoretical Atomic and Molecular Physics, Center for Astrophysics | Harvard & Smithsonian, Cambridge, MA 02138, USA
Interests: atomic and molecular structure; astrophysical applications of atomic and molecular physics; Casimir; relativistic; and quantum electrodynamics effects in atoms and molecules; long-range forces
Dr. Nancy Brickhouse

E-Mail
Guest Editor
Center for Astrophysics | Harvard & Smithsonian, Cambridge, MA 02138, USA
Interests: plasma physics; solar and stellar coronae; plasma emission line spectroscopy; ultraviolet and X-ray spectroscopy of astrophysical sources; laboratory astrophysics

Special Issue Information

Dear Colleagues,

ICAMDATA 2018 (Cambridge, MA) continues the series of international conferences since 1997 promoting the use of atomic and molecular (AM) data in various fields of science and technology, and provides the  principal forum for interaction between AM data producers, data users, data compilers, and database developers. The conference will cover topics including:

I. Application and needs of atomic and molecular data:

Astrophysics and atmospheric physics, Inertial and magnetic fusion, Low and high temperature laboratory plasma and industrial plasmas, Lighting sciences and technology, Biomedicine and biophysics, Combustion and environmental sciences and technology, Surface physics, gaseous electronics, solid state optics and spectroscopy, optoelectronics, etc.

II. Atomic and molecular data production: Data collection, assessment, exchange and dissemination, Standardization of data formats, AM databases, Activities of data centers.

III. Experimental and theoretical methods for atomic and molecular data generation, Atomic and molecular structure, spectroscopy and radiative processes, Electron and photon collisions with atoms and molecules, Heavy particle collisions, Particle–surface interactions.

Dr. James Babb
Dr. Nancy Brickhouse
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atoms is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 350 CHF (Swiss Francs). We will waive the APC for this special issue and publish all the papers free of charge. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • atomic data
  • plasma technology
  • plasma chemistry
  • EUV lithography
  • astrophysics
  • spectroscopy
  • molecular data
  • atomic structure
  • electron collisions
  • heavy particle collisions
  • stellar opacity
  • planetary atmospheres

Published Papers (5 papers)

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Research

11 pages, 973 KiB  
Article
Quantemol Electron Collisions (QEC): An Enhanced Expert System for Performing Electron Molecule Collision Calculations Using the R-Matrix Method
by Bridgette Cooper, Maria Tudorovskaya, Sebastian Mohr, Aran O’Hare, Martin Hanicinec, Anna Dzarasova, Jimena D. Gorfinkiel, Jakub Benda, Zdeněk Mašín, Ahmed F. Al-Refaie, Peter J. Knowles and Jonathan Tennyson
Atoms 2019, 7(4), 97; https://0-doi-org.brum.beds.ac.uk/10.3390/atoms7040097 - 17 Oct 2019
Cited by 43 | Viewed by 5965
Abstract
Collisions of low energy electrons with molecules are important for understanding many aspects of the environment and technologies. Understanding the processes that occur in these types of collisions can give insights into plasma etching processes, edge effects in fusion plasmas, radiation damage to [...] Read more.
Collisions of low energy electrons with molecules are important for understanding many aspects of the environment and technologies. Understanding the processes that occur in these types of collisions can give insights into plasma etching processes, edge effects in fusion plasmas, radiation damage to biological tissues and more. A radical update of the previous expert system for computing observables relevant to these processes, Quantemol-N, is presented. The new Quantemol Electron Collision (QEC) expert system simplifyies the user experience, improving reliability and implements new features. The QEC graphical user interface (GUI) interfaces the Molpro quantum chemistry package for molecular target setups, and the sophisticated UKRmol+ codes to generate accurate and reliable cross-sections. These include elastic cross-sections, super elastic cross-sections between excited states, electron impact dissociation, scattering reaction rates, dissociative electron attachment, differential cross-sections, momentum transfer cross-sections, ionization cross sections, and high energy electron scattering cross-sections. With this new interface we will be implementing dissociative recombination estimations, vibrational excitations for neutrals and ions, and effective core potentials in the near future. Full article
(This article belongs to the Special Issue Eleventh International Conference on Atomic and Molecular Data and Their Applications)
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8 pages, 608 KiB  
Article
Charge Exchange Cross Sections for Noble Gas Ions and N2 between 0.2 and 5.0 keV
by Steven Bromley, Corey Ahl, Chad Sosolik and Joan Marler
Atoms 2019, 7(4), 96; https://0-doi-org.brum.beds.ac.uk/10.3390/atoms7040096 - 14 Oct 2019
Cited by 2 | Viewed by 3130
Abstract
Charge transfer of an electron from a neutral atom to an ion is a fundamental interaction that plays a dominant role in the energy balance of atmospheric and astrophysical plasmas. The present investigation measured the charge exchange cross sections of noble gas ions [...] Read more.
Charge transfer of an electron from a neutral atom to an ion is a fundamental interaction that plays a dominant role in the energy balance of atmospheric and astrophysical plasmas. The present investigation measured the charge exchange cross sections of noble gas ions (He + , Ne + , Ar + , Kr + ) with N 2 in the intermediate energy range 0.2–5.0 keV. The systems were chosen because there remains a lack of consensus amongst previous measurements and regions where there were no previous measurements. A description of the mechanical design for an electrically floated gas cell is described herein. Full article
(This article belongs to the Special Issue Eleventh International Conference on Atomic and Molecular Data and Their Applications)
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6 pages, 2571 KiB  
Article
Improvement of the NIFS Atom and Molecular Database
by Masahiko Emoto, Izumi Murakami, Daiji Kato, Masanobu Yoshida, Masatoshi Kato and Setsuo Imazu
Atoms 2019, 7(3), 91; https://0-doi-org.brum.beds.ac.uk/10.3390/atoms7030091 - 11 Sep 2019
Cited by 5 | Viewed by 2337
Abstract
The NIFS (National Institute for Fusion Science) Atom and Molecular Database, which has been available online since 1997, is a numerical atomic and molecular database of collision processes that is important for fusion research. This database provides the following: (1) the cross-sections and [...] Read more.
The NIFS (National Institute for Fusion Science) Atom and Molecular Database, which has been available online since 1997, is a numerical atomic and molecular database of collision processes that is important for fusion research. This database provides the following: (1) the cross-sections and rate coefficients for ionization, excitation, and recombination caused by electron impact; (2) the charge transfer caused by heavy particle collision and collision processes of molecules; and (3) the sputtering yields of solids and backscattering coefficients from solids. It also offers a bibliographic database. We recently reconstructed the database system. The main purpose of the reconstruction was to migrate the database into an open-source architecture to make the system more flexible and extensible. The previous system used proprietary software and was difficult to customize. The new system consists of open-source software, including PostgreSQL database and Ruby on Rails. New features were also added to the system. The most important improvement is the interface with the Virtual Atomic and Molecular Data Center (VAMDC) portal. Using this interface, researchers can search for data in the NIFS database as well as in various other online databases simultaneously. Full article
(This article belongs to the Special Issue Eleventh International Conference on Atomic and Molecular Data and Their Applications)
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10 pages, 390 KiB  
Article
Electron-Impact Dissociation of Vibrationally-Excited Molecular Hydrogen into Neutral Fragments
by Liam H. Scarlett, Jeremy S. Savage, Dmitry V. Fursa, Mark C. Zammit and Igor Bray
Atoms 2019, 7(3), 75; https://0-doi-org.brum.beds.ac.uk/10.3390/atoms7030075 - 06 Aug 2019
Cited by 7 | Viewed by 3735
Abstract
We present convergent close-coupling (CCC) calculations of electron-impact dissociation of vibrationally-excited molecular hydrogen into neutral fragments. This work follows from our previous results for dissociation of molecular hydrogen in the ground vibrational level [Scarlett et al., Eur. Phys. J. D 72, 34 [...] Read more.
We present convergent close-coupling (CCC) calculations of electron-impact dissociation of vibrationally-excited molecular hydrogen into neutral fragments. This work follows from our previous results for dissociation of molecular hydrogen in the ground vibrational level [Scarlett et al., Eur. Phys. J. D 72, 34 (2018)], which were obtained from calculations performed in a spherical coordinate system. The present calculations, performed utilizing a spheroidal formulation of the molecular CCC method, reproduce the previous dissociation cross sections for the ground vibrational level, while allowing the extension to scattering on excited levels. Full article
(This article belongs to the Special Issue Eleventh International Conference on Atomic and Molecular Data and Their Applications)
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14 pages, 2502 KiB  
Article
Cowan Code: 50 Years of Growing Impact on Atomic Physics
by Alexander Kramida
Atoms 2019, 7(3), 64; https://0-doi-org.brum.beds.ac.uk/10.3390/atoms7030064 - 02 Jul 2019
Cited by 37 | Viewed by 6055
Abstract
The famous Cowan’s book, “The Theory of Atomic Structure and Spectra”, published in 1981, and his suite of computer codes based on it, continue to be highly influential in atomic physics and many other research areas. As of September 2018, there have been [...] Read more.
The famous Cowan’s book, “The Theory of Atomic Structure and Spectra”, published in 1981, and his suite of computer codes based on it, continue to be highly influential in atomic physics and many other research areas. As of September 2018, there have been more than 5000 citations to Cowan’s book and codes, and each year adds about 150 citations to this list. The present work briefly describes what these codes do and why they are responsible for most of the current progress in the analyses of atomic spectra. Various modifications of these codes, including my own, will also be described. Full article
(This article belongs to the Special Issue Eleventh International Conference on Atomic and Molecular Data and Their Applications)
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