Precursors Strategy to Access Multi-Metallic Functional Alloys and Composites

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Matrix Composites".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 2866

Special Issue Editors


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Guest Editor
Federal Institute for Materials Research and Testing Berlin, 12489 Berlin, Germany
Interests: multicomponent alloys; single-source precursors for metals and alloys; x-ray diffraction; x-ray spectroscopy; in situ studies; high-pressure high-temperature studies
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Guest Editor
Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Science, Novosibirsk, Russia
Interests: chemical vapor deposition; functional multicomponent materials; layered heterostructures; volatile precursors; single-source precursors for thin film deposition; thermochemistry

Special Issue Information

Dear Colleagues,

Direct melting and sintering can be considered as classical and the easiest approaches to obtain multicomponent alloys and composites. Nevertheless, novel applications such as catalysis, sensors, and energy convertors require preparation of nanostructured materials unevaluable by conventional techniques. The precursor strategy allows preparing multicomponent materials with various functionality and dimensionality. The precursor strategy to access metallic and composite materials includes use of inorganic, coordination compounds as well as solid-state, liquid-, and gas-phase reactions to control composition, morphology, and properties of final alloys and their composites.

This Special Issue welcomes original research papers and reviews on all aspects of the precursor approach to access multicomponent alloys and nanostructured materials based on particles, layers, and bulk phases. Submissions are especially welcomed which might open a door to novel routes for using single-source precursors to access multicomponent materials and application of the strategy to construct devices and prototypes.

Dr. Kirill V. Yusenko
Dr. Evgeniia S. Vikulova
Guest Editors

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Keywords

  • single-source precursors
  • multicomponent alloys
  • functional materials
  • composites
  • thin films

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Published Papers (1 paper)

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Research

16 pages, 6105 KiB  
Article
Single-Source Precursors for Chemical Solution Deposition of Up-Converting NaLnF4 Thin Films
by Artem Shevchenko, Andrei Anosov, Daria Blinnikova, Dimitry Grebenyuk and Dmitry Tsymbarenko
Metals 2022, 12(3), 488; https://doi.org/10.3390/met12030488 - 14 Mar 2022
Cited by 2 | Viewed by 1975
Abstract
Novel single-source precursors based on sodium and lanthanide pentafluoropropionates have been developed for chemical solution deposition of NaLnF4 thin films (Ln = Y, Yb, Er, Tm). A series of [Ln2(pfp)6Qn] (Q = H2O, diglyme) [...] Read more.
Novel single-source precursors based on sodium and lanthanide pentafluoropropionates have been developed for chemical solution deposition of NaLnF4 thin films (Ln = Y, Yb, Er, Tm). A series of [Ln2(pfp)6Qn] (Q = H2O, diglyme) and mixed-metal NaLn(pfp)4Qn were synthesized and characterized by X-ray diffraction (XRD) and thermogravimetric analysis (TG-DTA). Thermal decomposition of individual Na(pfp) and Ln(pfp)3 occurs at different temperatures while single-source NaLn(pfp)4 decomposes with the transformation to NaLnF4 in a single stage at 280 °C. Further crystallization of NaLnF4 was studied by variable-temperature powder XRD, which shows two phase transformations from cubic NaLnF4 to hexagonal NaLnF4 at 310 °C and back to a high-temperature cubic phase at 560 °C. The thin films of NaY0.78Yb0.2Er0.02F4 prepared by the dip-coating technique on Al2O3 substrates showed intense up-converting luminescence in green and blue regions under 980 nm excitation. Full article
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