Metal, and Alloys Based Thin Films and Nanocomposites: Synthesis and Applications
A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanocomposite Materials".
Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 5304
Special Issue Editor
Interests: chemistry and physics of complex transition metal alloys and oxides in micro-, meso-, and nanoforms; crystal and magnetic structures; phase transitions; magnetic state; colossal magnetoresistance; magnetoelectric effect; multiferroics; microwave absorption; microwave magnetodielectric materials for 5G technology; functional composite materials for microwave absorption
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Special Issue Information
Dear Colleagues,
The obtainment of pure metals and alloys based on their nanoscale state and the study of their properties is of paramount importance for modern science and technology and, therefore, is a priority in the development of materials science. Thin metal films with a thickness of up to several tens of nanometers on substrates of various natures, mainly dielectric ones, are of considerable scientific and practical interest. Gold attracts great interest, which is explained by its high corrosion resistance and high electrical conductivity. Such properties have led to its wide application in various areas of electronic instrumentation as conductive coatings. Gold thin films are capable of transmitting more than half of the incident light flux while absorbing only 10-20%. This allows them to be used as transparent ohmic contacts, transparent protective layers, electrodes in multilayer metal structures, etc. Another wide area of application for these materials is related to the possibility of the excitation of elementary oscillations such as plasmons, excitons, and magnons. The interaction between these excitations and electromagnetic waves makes it possible to create artificial media with unusual properties, such as metamaterials, which opens up opportunities for the development of plasmonic, nanophotonic, and magnetoplasmonic devices. In addition, nanocomposites, which are nanometer metal particles dispersed in an oxide matrix, have enhanced physical and chemical properties. Nanocomposites consisting of noble metals and a matrix of metal oxides are considered promising materials for use in catalysis, electronics, fuel cells, and gas sensors. Within the films of these materials, various additional technological applications exist, such as use in coated medical devices, magnetic recording media, electro-optical systems, photocatalytic coatings, or gas sensing devices. Additionally, nanoscale metals and their alloys can serve as the best materials for shielding electromagnetic interference. The creation and application of flexible polymer nanocomposites based on metals and metal alloys with the addition of carbon nanoforms can replace the materials already used for electromagnetic interference protection due to their unique characteristics, such as their lightweight, excellent corrosion resistance, and excellent electrical, dielectric, thermal, mechanical, and magnetic properties that are very useful in the suppression of electromagnetic interference.
Prof. Dr. Sergei Trukhanov
Guest Editor
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Keywords
- metals and alloys
- thin films
- nanocomposites
- electromagnetic shielding
- metamaterials
- electro-optical systems
- medical devices, magnetic recording media, electro-optical systems
- solar cells
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