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Advances in Epitaxial Thin Films: Materials and Applications
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Advances in Epitaxial Thin Films: Materials and Applications

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Thin Films".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 7287

Special Issue Editors

Dr. Mircea Nasui

E-Mail Website
Guest Editor
Center for Superconductivity, Spintronics and Surface Science, Technical University of Cluj-Napoca, Memorandumului Street, No. 28, 400114 Cluj-Napoca, Romania
Interests: thin film deposition using chemical methods; epitaxial thin films; chemistry of metal–organic precursors for oxide materials; synthesis of inorganic precursors; crystal growth engineering; superconducting thin films
Special Issues, Collections and Topics in MDPI journals
Dr. Ramona Bianca Sonher

E-Mail Website
Guest Editor
Physics and Chemistry Department, Technical University of Cluj-Napoca, 28 Memorandumului Street, 400114 Cluj-Napoca, Romania
Interests: precursor chemistry for thin films deposition; oxide nanopowder synthesis and characterization; deposition and characterization of thin films obtained with chemical methods used as buffer layers for coated conductors fabrication; deposition and characterization of thin films for energy-saving windows; synthesis and characterization of metal–organic precursors; physical and chemical methods for the investigation of oxide materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue focuses on the latest advancements in epitaxial thin films grown using chemical methods. Epitaxial growth refers to the deposition of a crystalline thin film with a well-defined crystallographic orientation on a substrate. Chemical methods, such as metal-organic decomposition, chemical vapor deposition, sol-gel, and other related techniques, offer precise control over film growth, composition, and properties.

Topics covered in this Special Issue may include, but are not limited to:

  1. Novel chemical methods for epitaxial thin film growth;
  2. Advances in controlling film orientation and crystallographic properties;
  3. Growth mechanisms and kinetics of epitaxial thin films;
  4. Characterization techniques for evaluating epitaxial film quality;
  5. Influence of growth parameters on film properties and performance;
  6. Epitaxial thin films for electronic and optoelectronic applications;
  7. Epitaxial thin films for energy storage and conversion;
  8. Epitaxial thin films for catalysis and sensing applications;
  9. Emerging materials and systems for epitaxial thin film growth;
  10. Challenges and future directions in epitaxial thin film research;
  11. Surface decoration with nanostructures.

This Special Issue aims to provide a comprehensive overview of the state of the art in epitaxial thin film growth using chemical methods, highlighting the latest research findings, technological advancements, and potential applications. Researchers and scientists working in the field of thin film deposition, materials science, and related disciplines are encouraged to contribute their original research articles, reviews, and perspectives to this Special Issue.

Dr. Mircea Nasui
Dr. Sonher (Mos) Ramona Bianca
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 submissions that pass pre-check are 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. Coatings is an international peer-reviewed open access monthly 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 2600 CHF (Swiss Francs). 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

  • thin films
  • chemical deposition
  • precursor solution
  • functional oxide film

Published Papers (4 papers)

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Research

9 pages, 2799 KiB  
Article
Epitaxial Stabilization of Perovskite ATeO3 Thin Films
by Andreas Herklotz, Florina Stefania Rus, Martin M. Koch, Kyle M. Grove, Michael S. Bowen, David P. Cann, Kristin Tippey and Kathrin Dörr
Coatings 2023, 13(12), 2055; https://doi.org/10.3390/coatings13122055 - 07 Dec 2023
Viewed by 669
Abstract
Tellurium oxides of the ATeO3 form typically do not crystallize in perovskite structures. Here, we show that perovskite-like ATeO3 (A = Ca, Sr, Ba) thin films can be grown on perovskite single-crystal substrates via epitaxial stabilization. These films are stable with [...] Read more.
Tellurium oxides of the ATeO3 form typically do not crystallize in perovskite structures. Here, we show that perovskite-like ATeO3 (A = Ca, Sr, Ba) thin films can be grown on perovskite single-crystal substrates via epitaxial stabilization. These films are stable with high optical bandgaps, low dielectric losses, and a high electric breakdown strength. Hysteretic dielectric behavior found in SrTeO3 and BaTeO3 strongly suggests the presence of antiferroelectricity and ferroelectricity, respectively. These properties make perovskite tellurium oxides possibly appealing candidates for thin film coating or insulator materials in advanced microelectronics. Tellurium oxides constitute a largely unexplored class of materials that might show new and interesting functionalities in epitaxial thin-films. Our work encourages new work within this field. Full article
(This article belongs to the Special Issue Advances in Epitaxial Thin Films: Materials and Applications)
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12 pages, 3665 KiB  
Article
Study on Corrosion Resistance of LDH/Micro-Arc Oxidation Composite Superhydrophobic Coatings on AZ31 Magnesium Alloy
by Dongjie Liu, Jing Liu, Guangyu Liu, Yuntao Xie and Zongfan Duan
Coatings 2023, 13(3), 643; https://doi.org/10.3390/coatings13030643 - 18 Mar 2023
Cited by 6 | Viewed by 1343
Abstract
Because of some defects such as holes and cracks, the corrosion resistance of micro-arc oxidation coating needs to be improved by surface modification. In this paper, LDH/MAO film with a micro-/nano-structure is constructed on the surface of AZ31 magnesium alloy by controlling the [...] Read more.
Because of some defects such as holes and cracks, the corrosion resistance of micro-arc oxidation coating needs to be improved by surface modification. In this paper, LDH/MAO film with a micro-/nano-structure is constructed on the surface of AZ31 magnesium alloy by controlling the composition and concentration of the hydrothermal solution. The superhydrophobic surface is successfully constructed by coating an OTES modifier on the surface of LDH/MAO film by the spin-coating method. The surface morphologies, contact angles, and corrosion resistance of composite coatings are tested. The results show that the OTES-LDH/MAO composite coatings of magnesium alloy can seal the defects in the MAO film well to achieve a superhydrophobic effect and better corrosion resistance. Compared with a MgO ceramic film, the water contact angle of OTES-LDH/MAO composite coatings is increased from 38° to 155°; the corrosion potential increases by 0.7 V, the corrosion current density and polarization resistance decreases and increases by four orders of magnitude, respectively; and the corrosion resistance becomes much higher than that of MAO film. Full article
(This article belongs to the Special Issue Advances in Epitaxial Thin Films: Materials and Applications)
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13 pages, 7918 KiB  
Article
Morphological and Structural Evolution of Chemically Deposited Epitaxially LaNiO3 Thin Films
by Mircea Nasui, Ramona Bianca Sonher, Ecaterina Ware, Andrada Daniel, Traian Petrisor, Jr., Mihai Sebastian Gabor, Lelia Ciontea and Traian Petrisor
Coatings 2021, 11(11), 1376; https://doi.org/10.3390/coatings11111376 - 10 Nov 2021
Viewed by 1659
Abstract
We report the preparation and characterization of epitaxial LaNiO3 (LNO) thin films by chemical solution deposition method using lanthanum and nickel acetylacetonates as starting reagents dissolved in propionic acid. In order to obtain further information regarding the decomposition behavior of the film, [...] Read more.
We report the preparation and characterization of epitaxial LaNiO3 (LNO) thin films by chemical solution deposition method using lanthanum and nickel acetylacetonates as starting reagents dissolved in propionic acid. In order to obtain further information regarding the decomposition behavior of the film, the precursor solution was dried to obtain the precursor powder, which was investigated by thermal analyses and X-ray diffraction measurements (XRD). The LNO perovskite thin films were deposited by spin coating on SrTiO3(100) single crystal substrates. A detailed study with different crystallization temperatures (600–900 °C) at two different heating ramps (5 and 10 °C/min) was performed. Oriented LaNiO3 thin films with good out-of-plane textures were obtained with optimal surface morphologies. Full article
(This article belongs to the Special Issue Advances in Epitaxial Thin Films: Materials and Applications)
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9 pages, 1470 KiB  
Article
The Influence of CBD Parameters on the Energy Gap of ZnS Narcissus-Like Nanostructured Thin Films
by Mohammed Hussein Khalil, Raghad Y. Mohammed and Mohammed Aziz Ibrahem
Coatings 2021, 11(9), 1131; https://doi.org/10.3390/coatings11091131 - 17 Sep 2021
Cited by 9 | Viewed by 2260
Abstract
Recently, the efficient preparation techniques of zinc sulfide (ZnS) nanostructured films have drawn great attention due to their potential applications in optoelectronics. In this study, the low-cost and high-yield chemical bath deposition (CBD) technique was used to deposit ZnS nanostructured thin films. The [...] Read more.
Recently, the efficient preparation techniques of zinc sulfide (ZnS) nanostructured films have drawn great attention due to their potential applications in optoelectronics. In this study, the low-cost and high-yield chemical bath deposition (CBD) technique was used to deposit ZnS nanostructured thin films. The effect of various deposition parameters such as time, pH, precursor concentration, and temperature on the morphology and energy bandgap (Eg) of the prepared thin films were investigated. The characterization of the prepared thin films revealed the formation of polycrystalline ZnS with Narcissus-like nanostructures. Moreover, the optical characterization showed inverse proportionality between both the transmission and Eg of the nanostructured thin films and the variation of the deposition parameters. A range of different Eg values between 3.92 eV with 20% transmission and 4.06 eV with 80% transmission was obtained. Tuning the Eg values and transmission of the prepared nanostructured films by manipulating the deposition parameters of such an efficient technique could lead to applications in optoelectronics such as solar cells and detectors. Full article
(This article belongs to the Special Issue Advances in Epitaxial Thin Films: Materials and Applications)
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