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Functional Hybrid Films, Magnetic Films, Electrical Films and 2D Materials:...
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Functional Hybrid Films, Magnetic Films, Electrical Films and 2D Materials: Interface Construction and Performance Research

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: closed (20 June 2024) | Viewed by 1183

Special Issue Editors

Prof. Dr. Yuan-Tsung Chen

E-Mail Website
Guest Editor
Graduate School of Materials Science, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan
Interests: magnetic materials; semiconductor process; magnetoresistance random access memory (MRAM); surface sciences; analysis of materials; nano (optical) electronic materials and advanced semiconductor technology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Shih-Hung Lin

E-Mail Website
Guest Editor
Department of Electronic Engineering, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan
Interests: nano (optical) electronic materials and advanced component applications; semiconductor and optoelectronic component design and testing technology; biomedical sensors and biomedical electronic engineering; smart networking system design and implementation
Special Issues, Collections and Topics in MDPI journals
Prof. Yung-Huang Chang

E-Mail Website
Guest Editor
Bachelor Program in Industrial Technology, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan
Interests: two-dimensional materials; hydrogen energy; semiconductor physics and components; optoelectronic

Special Issue Information

Dear Colleagues,

Researchers and scholars are invited to submit their papers to this Special Issue on thin film materials, including research in the fields of magnetics, optoelectronics, ferroelectrics, 2D materials, etc. Contributions may focus on topics including magnetic materials, magnetic recording media, tunneling magnetoresistance, magnetostriction, magnetic walls, hard magnets, soft magnetic, nano-optical materials, piezoelectric, and 2D materials.

The content of submitted articles may include important film process conditions and methods of the material, as well as important theoretical and experimental results. In addition, submitted works can also describe the application of magnetic ferroelectric and optical materials in related important fields. This Special Issue will showcase a variety of important new discoveries regarding magnetic, optic, and ferroelectric materials.

The submitted manuscripts are divided into the categories as listed below:

Research Domain:

  1. Definition and Conceptualization:
    • Understanding the fundamental concepts and definitions related to functional hybrid films, magnetic films, electrical films, and 2D materials.
    • Defining the interface construction and its significance in achieving desired functionalities in these materials.
  2. Material Selection and Characterization:
    • Identifying suitable materials for constructing functional hybrid films, magnetic films, electrical films, and 2D materials, considering compatibility and desired properties.
    • Analyzing the characteristics and properties of selected materials to assess their potential for the hybrid film.
  3. Hybrid Film Fabrication Techniques:
    • Exploring various fabrication methods and techniques for creating functional hybrid films, magnetic films, electrical films, and 2D material-based films.
    • Evaluating the advantages and limitations of different fabrication approaches.
  4. Interface Engineering and Optimization:
    • Investigating strategies to optimize the interface between different materials within the hybrid film, emphasizing functionalities such as magnetism, electrical conductivity, and 2D material properties.
    • Studying techniques for enhancing compatibility and adhesion at interfaces.
  5. Functionalization and Applications:
    • Exploring methods to incorporate specific functions (e.g., magnetic properties, electrical conductivity) into hybrid films using 2D materials.
    • Investigating applications of functional hybrid films, magnetic films, electrical films, and 2D material-based films in various fields such as electronics, sensors, coatings, and energy storage.
  6. Performance Evaluation and Testing:
    • Establishing methodologies to evaluate the performance of functional hybrid films, magnetic films, electrical films, and 2D material-based films, considering relevant parameters.
    • Conducting experiments and analyses to measure and validate the functional properties of these films.
  7. Characterization Techniques:
    • Utilizing advanced characterization techniques such as spectroscopy, microscopy, rheology, and thermal analysis to assess the structure, composition, and properties of these materials.
  8. Multidisciplinary Approaches:
    • Emphasizing interdisciplinary collaboration and integration of knowledge from different fields to address complex challenges and advance research in functional hybrid, magnetic, electrical films, and 2D materials.
  9. Future Trends and Innovations:
    • Anticipating and proposing future directions, emerging technologies, and innovations in the field of functional hybrid, magnetic, electrical films, and 2D materials.
    • Discussing potential advancements and applications that could revolutionize various industries.
  10. Environmental and Sustainability Aspects:
    • Addressing environmental considerations related to the production, usage, and disposal of these materials, focusing on sustainable approaches and eco-friendly practices.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

I look forward to receiving your contributions.

Prof. Dr. Yuan-Tsung Chen
Prof. Dr. Shih-Hung Lin
Prof. Yung-Huang Chang
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. Materials is an international peer-reviewed open access semimonthly 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

  • functional hybrid films
  • magnetic films
  • electrical films
  • 2D materials
  • interface construction
  • performance research
  • material selection and applications
  • characterization
  • fabrication techniques and functionalization
  • interface engineering

Published Papers (1 paper)

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Research

19 pages, 10911 KiB  
Article
Surface Roughness-Induced Changes in Important Physical Features of CoFeSm Thin Films on Glass Substrates during Annealing
by Chi-Lon Fern, Wen-Jen Liu, Yung-Huang Chang, Chia-Chin Chiang, Yuan-Tsung Chen, Pei-Xin Lu, Xuan-Ming Su, Shih-Hung Lin and Ko-Wei Lin
Materials 2023, 16(21), 6989; https://doi.org/10.3390/ma16216989 - 31 Oct 2023
Viewed by 950
Abstract
Co60Fe20Sm20 thin films were deposited onto glass substrates in a high vacuum setting. The films varied in thickness from 10 to 50 nm and underwent annealing processes at different temperatures: room temperature (RT), 100, 200, and 300 °C. [...] Read more.
Co60Fe20Sm20 thin films were deposited onto glass substrates in a high vacuum setting. The films varied in thickness from 10 to 50 nm and underwent annealing processes at different temperatures: room temperature (RT), 100, 200, and 300 °C. Our analysis encompassed structural, magnetic, electrical, nanomechanical, adhesive, and optical properties in relation to film thickness and annealing temperature. X-ray diffraction (XRD) analysis did not reveal characteristic peaks in Co60Fe20Sm20 thin films due to insufficient growth-driving forces. Electrical measurements indicated reduced resistivity and sheet resistance with increasing film thickness and higher annealing temperatures, owing to hindered current-carrier transport resulting from the amorphous structure. Atomic force microscope (AFM) analysis showed a decrease in surface roughness with increased thickness and annealing temperature. The low-frequency alternating current magnetic susceptibility (χac) values increased with film thickness and annealing temperature. Nanoindentation analysis demonstrated reduced film hardness and Young’s modulus with thicker films. Contact angle measurements suggested a hydrophilic film. Surface energy increased with greater film thickness, particularly in annealed films, indicating a decrease in contact angle contributing to this increase. Transmittance measurements have revealed intensified absorption and reduced transmittance with thicker films. In summary, the surface roughness of CoFeSm films at different annealing temperatures significantly influenced their magnetic, electrical, adhesive, and optical properties. A smoother surface reduced the pinning effect on the domain walls, enhancing the χac value. Additionally, diminished surface roughness led to a lower contact angle and higher surface energy. Additionally, smoother surfaces exhibited higher carrier conductivity, resulting in reduced electrical resistance. The optical transparency decreased due to the smoother surface of Co60Fe20Sm20 films. Full article
(This article belongs to the Special Issue Functional Hybrid Films, Magnetic Films, Electrical Films and 2D Materials: Interface Construction and Performance Research)
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