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Special Issue "Interfaces in Materials Science and Engineering"

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

Deadline for manuscript submissions: closed (20 April 2022) | Viewed by 15857

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Special Issue Editors

Dr. Antonio Caggiano

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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

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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 1400 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

Published Papers (4 papers)

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Research

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11 pages, 2975 KiB

Open AccessArticle

Structural, Magnetic, and Optical Properties of Mn²⁺ Doping in ZnO Thin Films

and

Surfaces 2021, 4(4), 268-278; https://doi.org/10.3390/surfaces4040022 - 31 Oct 2021

Cited by 10 | Viewed by 1968

Abstract

Mn_xZn_1−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 Mn_xZn_1−xO films are ferromagnetic, as Mn induces a fully polarised state. The effect of Mn²⁺ ions doping on Mn_xZn_1−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

Open AccessArticle

Molecular Dynamics Modeling of Mechanical Properties of Polymer Nanocomposites Reinforced by C₇N₆ Nanosheet

Qinghua Zhang

Bohayra Mortazavi

and

Fadi Aldakheel

Surfaces 2021, 4(3), 240-254; https://doi.org/10.3390/surfaces4030019 - 24 Aug 2021

Cited by 3 | Viewed by 3039

Abstract

Carbon-nitride nanosheets have attracted remarkable attention in recent years due to their outstanding physical properties.

C_{7} N_{6}

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.

C_{7} N_{6}

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

C_{7} N_{6}

are systematically investigated. Although temperature effects have a strong influence on the mechanical properties of

C_{7} N_{6}

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

C_{7} N_{6}

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

C_{7} N_{6}

/P3HT composite were employed to investigate the

C_{7} N_{6}

reinforcing ability. Significantly, the uniaxial tensile of

C_{7} N_{6} / P 3 H T

composite reveals that

10 %

C_{7} N_{6}

can enhance the maximum strength of the composite to 121.80 MPa which is 23.51% higher than the pure

P 3 H T

matrix. Moreover, to better understand the enhanced mechanism, we proposed a cohesive model to investigate the interface strength between the

C_{7} N_{6}

nanosheet and P3HT matrix. This systematic study provides not only a sufficient method to understand the

C_{7} N_{6}

thermo-mechanical properties, but also the reinforce mechanism of the

C_{7} N_{6}

reinforced nanocomposite. Thus, this work provides a valuable method for the later investigation of the

C_{7} N_{6}

nanosheet. Full article

(This article belongs to the Special Issue Interfaces in Materials Science and Engineering)

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42 pages, 8844 KiB

Open AccessArticle

Finite Element Analyses of the Modified Strain Gradient Theory Based Kirchhoff Microplates

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 3371

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, 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

Open AccessReview

MXene: Evolutions in Chemical Synthesis and Recent Advances in Applications

Sayani Biswas

and

Prashant S. Alegaonkar

Surfaces 2022, 5(1), 1-34; https://doi.org/10.3390/surfaces5010001 - 22 Dec 2021

Cited by 19 | Viewed by 6145

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 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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Special Issue "Interfaces in Materials Science and Engineering"

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