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Surfaces
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Interfaces in Materials Science and Engineering
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Interfaces in Materials Science and Engineering

A special issue of Surfaces (ISSN 2571-9637).

Deadline for manuscript submissions: closed (20 April 2022) | Viewed by 22412

Special Issue Editors

Dr. Antonio Caggiano

E-Mail Website
Guest Editor
Department of Civil, Chemical and Environmental Engineering, University of Genova, Genova, Italy
Interests: sustainability in construction and building materials; recycling; smart materials; smart buildings; energy-saving; green buildings; eco-friendly materials; nearly zero-energy buildings; energy efficiency; energy storage; phase change materials; renewable energy resources; zero CO2 emissions; CO2 storage in materials; modeling; multiscale; multiphysics; micro- and meso-scale
Special Issues, Collections and Topics in MDPI journals
Dr. Fadi Aldakheel

E-Mail Website
Guest Editor
Leibniz Universitaet Hannover (LUH), Institute of Continuum Mechanics
Interests: numerical analysis; multiphysics; fatigue/fracture/damage; fnite element technology (FEM); virtual element method (VEM); contact mechanics; experimental validation

Special Issue Information

Dear Colleagues,

The "Interfaces in Materials Science and Engineering" Special Issue aims at collecting the current state of the art and novel advances on the relevant topics that characterize the research field of interfaces for mechanical, thermal, energy, electrical, optical, magnetic applications.

Emphasis of this Special Issue will be on collecting fundamental studies, experimental research, numerical approaches, analysis tools, design guidelines and review studies dealing with Interfaces and Surfaces for Materials Science and Engineering (MSE). It will be a basis for new materials, ideas and engineering applications on the various topics for young investigators as well as leading experts in the field of Interfaces in MSE.

Dr. Antonio Caggiano
Dr. Fadi Aldakheel
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. Surfaces is an international peer-reviewed open access quarterly 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 1600 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

  • atomistic reconstruction of interfaces and surfaces
  • chemistry of interfaces
  • crystals interfaces
  • evolving microstructures
  • fracture mechanics
  • free surfaces
  • grain boundaries
  • Interface boundary mobility
  • interface diffusion
  • interface segregation
  • interface transfer
  • nano-micro- meso surface 3D printing
  • radiative surface and interfaces
  • phase change problems
  • phase field model
  • solid-liquid interfaces
  • solid-solid phase boundaries
  • surface adsorption
  • zero-thickness interface
  • wetting and spreading interfaces

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (4 papers)

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Research

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11 pages, 2975 KiB  
Article
Structural, Magnetic, and Optical Properties of Mn2+ Doping in ZnO Thin Films
by Monika Sharma, Kakoli Bera, Ruby Mishra and Alka V. Kuanr
Surfaces 2021, 4(4), 268-278; https://doi.org/10.3390/surfaces4040022 - 31 Oct 2021
Cited by 15 | Viewed by 3108
Abstract
MnxZn1−xO thin films (x = 0%, 1%, 3%, and 5%) were grown on corning glass substrates using sol–gel technique. Single-phase hexagonal wurtzite structure was confirmed using X-ray diffraction. Raman analysis revealed the presence of Mn content with an additional [...] Read more.
MnxZn1−xO thin films (x = 0%, 1%, 3%, and 5%) were grown on corning glass substrates using sol–gel technique. Single-phase hexagonal wurtzite structure was confirmed using X-ray diffraction. Raman analysis revealed the presence of Mn content with an additional vibrational mode at 570 cm−1. The surface morphology of the samples was observed by scanning electron microscopy which suggested that the grain size increases with an increase in Mn concentration. The optical bandgap increases with increasing Mn concentration due to a significant blueshift in UV–visible absorption spectra. The alteration of the bandgap was verified by the I–V measurements on ZnO and Mn-ZnO films. The various functional groups in the thin films were recorded using FTIR analysis. Magnetic measurements showed that MnxZn1−xO films are ferromagnetic, as Mn induces a fully polarised state. The effect of Mn2+ ions doping on MnxZn1−xO thin films was investigated by extracting various parameters such as lattice parameters, energy bandgap, resistivity, and magnetisation. The observed coercivity is about one-fifth of the earlier published work data which indicates the structure is soft in nature, having less dielectric/magnetic loss, and hence can be used as ultra-fast switching in spintronic devices. Full article
(This article belongs to the Special Issue Interfaces in Materials Science and Engineering)
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15 pages, 8312 KiB  
Article
Molecular Dynamics Modeling of Mechanical Properties of Polymer Nanocomposites Reinforced by C7N6 Nanosheet
by Qinghua Zhang, Bohayra Mortazavi and Fadi Aldakheel
Surfaces 2021, 4(3), 240-254; https://doi.org/10.3390/surfaces4030019 - 24 Aug 2021
Cited by 6 | Viewed by 3898
Abstract
Carbon-nitride nanosheets have attracted remarkable attention in recent years due to their outstanding physical properties. C7N6 is one of the hotspot nanosheets which possesses excellent mechanical, electrical, and optical properties. In this study, the coupled thermo-mechanical properties of the single [...] Read more.
Carbon-nitride nanosheets have attracted remarkable attention in recent years due to their outstanding physical properties. C7N6 is one of the hotspot nanosheets which possesses excellent mechanical, electrical, and optical properties. In this study, the coupled thermo-mechanical properties of the single nanosheet C7N6 are systematically investigated. Although temperature effects have a strong influence on the mechanical properties of C7N6 monolayer, thermal effects were not fully analyzed for carbon-nitride nanosheet and still an open topic. To this end, the presented contribution aims to highlight this important aspect and investigate the temperature influence on the mechanical stress-strain response. By using molecular dynamics (MD) simulation, we have found out that the C7N6 monolayer’s maximum strength decreases as the temperature increase from 300 K to 1100 K. In the current contribution, 5% to 15% volume fractions of C7N6/P3HT composite were employed to investigate the C7N6 reinforcing ability. Significantly, the uniaxial tensile of C7N6/P3HT composite reveals that 10%C7N6 can enhance the maximum strength of the composite to 121.80 MPa which is 23.51% higher than the pure P3HT matrix. Moreover, to better understand the enhanced mechanism, we proposed a cohesive model to investigate the interface strength between the C7N6 nanosheet and P3HT matrix. This systematic study provides not only a sufficient method to understand the C7N6 thermo-mechanical properties, but also the reinforce mechanism of the C7N6 reinforced nanocomposite. Thus, this work provides a valuable method for the later investigation of the C7N6 nanosheet. Full article
(This article belongs to the Special Issue Interfaces in Materials Science and Engineering)
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42 pages, 8844 KiB  
Article
Finite Element Analyses of the Modified Strain Gradient Theory Based Kirchhoff Microplates
by Murat Kandaz and Hüsnü Dal
Surfaces 2021, 4(2), 115-156; https://doi.org/10.3390/surfaces4020014 - 14 May 2021
Cited by 3 | Viewed by 4190
Abstract
In this contribution, the variational problem for the Kirchhoff plate based on the modified strain gradient theory (MSGT) is derived, and the Euler-Lagrange equations governing the equation of motion are obtained. The Galerkin-type weak form, upon which the finite element method is constructed, [...] Read more.
In this contribution, the variational problem for the Kirchhoff plate based on the modified strain gradient theory (MSGT) is derived, and the Euler-Lagrange equations governing the equation of motion are obtained. The Galerkin-type weak form, upon which the finite element method is constructed, is derived from the variational problem. The shape functions which satisfy the governing homogeneous partial differential equation are derived as extensions of Adini-Clough-Melosh (ACM) and Bogner-Fox-Schmit (BFS) plate element formulations by introducing additional curvature degrees of freedom (DOF) on each node. Based on the proposed set of shape functions, 20-, 24-, 28- and 32- DOF modified strain gradient theory-based higher-order Kirchhoff microplate element are proposed. The performance of the elements are demonstrated in terms of various tests and representative boundary value problems. Length scale parameters for gold are also proposed based on experiments reported in literature. Full article
(This article belongs to the Special Issue Interfaces in Materials Science and Engineering)
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Review

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34 pages, 5474 KiB  
Review
MXene: Evolutions in Chemical Synthesis and Recent Advances in Applications
by Sayani Biswas and Prashant S. Alegaonkar
Surfaces 2022, 5(1), 1-34; https://doi.org/10.3390/surfaces5010001 - 22 Dec 2021
Cited by 46 | Viewed by 9465
Abstract
Two-dimensional materials have secured a novel area of research in material science after the emergence of graphene. Now, a new family of 2D material-MXene is gradually growing and making itsmark in this field of study. MXenes since 2011 have been synthesized and experimented [...] Read more.
Two-dimensional materials have secured a novel area of research in material science after the emergence of graphene. Now, a new family of 2D material-MXene is gradually growing and making itsmark in this field of study. MXenes since 2011 have been synthesized and experimented on in several ways.The HF treatment although successful poses some serious problems that gradually propelled the ideas of new synthesis methods. This review of the literature covers the major breakthroughs of MXene from the year of its discovery to recent endeavors, highlighting how the synthesis mechanisms have been developed over the years and also the importance of good characterization of data. Results and properties of this class of materials arealso briefly discussed alongwith recent advance in applications. Full article
(This article belongs to the Special Issue Interfaces in Materials Science and Engineering)
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