Modification of Materials by Using Energetic Ion/Electron Beams

A special issue of Quantum Beam Science (ISSN 2412-382X). This special issue belongs to the section "Structure and Dynamics of Functional Materials".

Deadline for manuscript submissions: closed (31 August 2024) | Viewed by 1656

Special Issue Editor


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Guest Editor
Air Force Research Laboratory (Space Vehicles Directorate), Albuquerque, NM, USA
Interests: radiation effects; materials characterization; thermal control systems; coatings and paints; materials modification

Special Issue Information

Dear Colleagues,

One of the most effective methods for modifying materials used in various fields of science and industry is exposure to ionizing radiation. Modification with beams of accelerated particles (ions or electrons) is based on the creation of defective states on the surface and volume of a material, leading to a rearrangement of its atomic structure. Radiation modification, as one area of radiation technology, has found wide application in the modification of polymers (crosslinking and polymerization), increasing the corrosion resistance of metals and alloys during ion implantation and the doping of semiconductors. Moreover, beams of energetic particles are actively used to synthesize new materials with unique properties, as well as to simulate various types of space radiation to determine the radiation stability of space technology materials.

The planned Special Issue will present the results of research on the use of accelerated electron and ion beams in material science, including, but not limited to, the synthesis of new materials, the modification of materials for property improvement, and the use of ionizing radiation to determine the radiation resistance of materials. This issue also welcomes articles discussing innovative methods and perspectives on the application of corpuscular (electron and ion) radiation in material engineering.

I kindly invite you to submit an article reflecting your scientific research and results to this Special Issue.

Dr. Alexey N. Sokolovskiy
Guest Editor

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Keywords

  • improving materials
  • synthesis of new materials
  • ion implantation
  • material surface modification with ion and/or electron beams
  • perspectives of applying energetic particle (ions, electrons) beams
  • radiation stability of materials
  • electron treatment

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Published Papers (1 paper)

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Research

13 pages, 1699 KiB  
Article
Metallic Ca Aggregates Formed Along Ion Tracks and Optical Anisotropy in CaF2 Crystals Irradiated with Swift Heavy Ions
by Hiroshi Amekura, Norito Ishikawa, Nariaki Okubo, Feng Chen, Kazumasa Narumi, Atsuya Chiba, Yoshimi Hirano, Keisuke Yamada, Shunya Yamamoto and Yuichi Saitoh
Quantum Beam Sci. 2024, 8(4), 29; https://doi.org/10.3390/qubs8040029 - 7 Nov 2024
Viewed by 970
Abstract
It is known that swift heavy ion (SHI) irradiation induces the shape elongation of metal nanoparticles (NPs) embedded in transparent insulators, which results in anisotropic optical absorption. Here, we report another type of the optical anisotropy induced in CaF2 crystals without including [...] Read more.
It is known that swift heavy ion (SHI) irradiation induces the shape elongation of metal nanoparticles (NPs) embedded in transparent insulators, which results in anisotropic optical absorption. Here, we report another type of the optical anisotropy induced in CaF2 crystals without including intentionally embedded metal NPs. The CaF2 samples were irradiated with 200 MeV Xe14+ ions with an incident angle of 45° from the surface normal. With the increasing fluence, an absorption band at ~550 nm, which is ascribed to Ca aggregates, increases both the intensity and the anisotropy. XTEM observation clarified the formation of the continuous line structures and the discontinuous NP chains parallel to the SHI beam. Numerical simulations of the optical absorption spectra suggested the NP chains but not the continuous line structures as the origin of the anisotropy. The optical anisotropy in CaF2 irradiated with SHIs is different from the shape elongation of NPs. Full article
(This article belongs to the Special Issue Modification of Materials by Using Energetic Ion/Electron Beams)
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