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Nanomaterials
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Development of Innovative Devices Using New-Emerging Micro and Nano Technologies
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Development of Innovative Devices Using New-Emerging Micro and Nano Technologies

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanofabrication and Nanomanufacturing".

Deadline for manuscript submissions: 8 August 2025 | Viewed by 4269

Special Issue Editor

Prof. Dr. Tongbiao Wang

E-Mail Website
Guest Editor
School of Physics and Materials Science, Nanchang University, Nanchang, China
Interests: plasmonics; metamaterials; metasurfaces; near-field radiative heat transfer; spontaneous emission; Casimir effect
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The constant downscaling of nanoelectronic and optoelectronic technologies necessitates scientific research on novel micro- or nano-devices in order to create new devices, define generate the complex materials required, and ensure that they have good properties and are reliable.

This Special Issue focuses on, but is not limited to, interface effects, the charge transport process in these nano/micro electronic devices, and the electrical performance improvement of these devices via material and device design and fabrication.

It aims to present the development of state-of-the-art novel micro- or nano-devices. We invite authors from leading groups in the field to contribute original research articles and review articles that cover current micro/nano technologies.

Prof. Dr. Tongbiao Wang
Guest Editor

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. Nanomaterials 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 2400 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

  • electronic and optoelectronic devices
  • light-emitting diodes
  • lasers
  • photodetectors
  • micro/nano technologies

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

Published Papers (5 papers)

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Research

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35 pages, 6358 KiB  
Article
Development of Diopside-Modified Marl-Based Dielectric Composite for Microelectronics Applications
by Nassima Riouchi, Oussama Riouchi, Othmane Lamrani, El Hassan Yahakoub, Mohammed Mansori, Boštjan Genorio, Mitja Kolar, Petranka Petrova, Soufian El Barkany, Mohamed Abou-Salama and Mohamed Loutou
Nanomaterials 2025, 15(9), 668; https://doi.org/10.3390/nano15090668 (registering DOI) - 27 Apr 2025
Viewed by 73
Abstract
This research explores the modification of marl by the incorporation of diopside (CaMgSi2O6) to develop a composite material with improved dielectric properties, while addressing environmental and economic challenges through the use of abundant natural resources. X-ray fluorescence (XRF) analysis [...] Read more.
This research explores the modification of marl by the incorporation of diopside (CaMgSi2O6) to develop a composite material with improved dielectric properties, while addressing environmental and economic challenges through the use of abundant natural resources. X-ray fluorescence (XRF) analysis reveals a high silicate content in the raw marl, mainly SiO2 (68.12%) and Al2O3 (12.54%), while laser particle size analysis indicates a homogeneous grain size distribution centered around 100 µm. The composite was synthesized by the solid-state reaction method, achieving good phase homogeneity. X-ray diffraction (XRD) and infrared spectroscopy confirm the incorporation of diopside, while SEM analysis shows a porous morphology with granular aggregates. The modified material has an average particle size of 11.653 µm, optimizing the electrical properties. Impedance spectroscopy demonstrates improved dielectric performance, with accumulated permittivity and reduced losses, which improves energy storage and dissipation. Tests showed the remarkable stability of dielectric properties over a wide frequency range (10 Hz to 10 MHz) and low-temperature dependence. The performance was demonstrated on a single sample with a thickness of 0.63 mm, demonstrating consistent efficiency. These results position the diopside-modified marl as a promising candidate for electrochemical and microelectronic applications. Full article
(This article belongs to the Special Issue Development of Innovative Devices Using New-Emerging Micro and Nano Technologies)
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10 pages, 3066 KiB  
Article
Spontaneous Emission Mediated by Moiré Hyperbolic Metasurfaces
by Yuying Liu, Zhanrong Yang, Tongbiao Wang, Jianrong Yang, Tianbao Yu and Qinghua Liao
Nanomaterials 2025, 15(3), 228; https://doi.org/10.3390/nano15030228 - 31 Jan 2025
Viewed by 698
Abstract
We investigate the spontaneous emission of a quantum emitter (QE) placed near the twisted hyperbolic metasurfaces (HMTSs) made of graphene strips. We demonstrate that the spontaneous emission can be enhanced distinctly due to the existence of moiré hyperbolic plasmon polaritons (HPPs) supported by [...] Read more.
We investigate the spontaneous emission of a quantum emitter (QE) placed near the twisted hyperbolic metasurfaces (HMTSs) made of graphene strips. We demonstrate that the spontaneous emission can be enhanced distinctly due to the existence of moiré hyperbolic plasmon polaritons (HPPs) supported by the twisted HMTSs. Moreover, the spontaneous emission decay rate can be efficiently modulated by the chemical potential of graphene, the thickness of the dielectric spacer, and the twist angle between two HMTSs. The maximum spontaneous emission is achieved when topological transition occurs. The spontaneous emission will be enhanced as the thickness of the dielectric spacer increases for most cases. In particular, the twisted HMTSs make it possible to flexibly modify the spontaneous emission through the external field. The findings in this work not only extend past studies of twisted photonic structures but also have important applications in optical sensing and integrated photonics. Full article
(This article belongs to the Special Issue Development of Innovative Devices Using New-Emerging Micro and Nano Technologies)
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19 pages, 4042 KiB  
Article
Enabling Fast AI-Driven Inverse Design of a Multifunctional Nanosurface by Parallel Evolution Strategies
by Ashish Chapagain, Dima Abuoliem and In Ho Cho
Nanomaterials 2025, 15(1), 27; https://doi.org/10.3390/nano15010027 - 27 Dec 2024
Viewed by 755
Abstract
Multifunctional nanosurfaces receive growing attention due to their versatile properties. Capillary force lithography (CFL) has emerged as a simple and economical method for fabricating these surfaces. In recent works, the authors proposed to leverage the evolution strategies (ES) to modify nanosurface characteristics with [...] Read more.
Multifunctional nanosurfaces receive growing attention due to their versatile properties. Capillary force lithography (CFL) has emerged as a simple and economical method for fabricating these surfaces. In recent works, the authors proposed to leverage the evolution strategies (ES) to modify nanosurface characteristics with CFL to achieve specific functionalities such as frictional, optical, and bactericidal properties. For artificial intelligence (AI)-driven inverse design, earlier research integrates basic multiphysics principles such as dynamic viscosity, air diffusivity, surface tension, and electric potential with backward deep learning (DL) on the framework of ES. As a successful alternative to reinforcement learning, ES performed well for the AI-driven inverse design. However, the computational limitations of ES pose a critical technical challenge to achieving fast and efficient design. This paper addresses the challenges by proposing a parallel-computing-based ES (named parallel ES). The parallel ES demonstrated the desired speed and scalability, accelerating the AI-driven inverse design of multifunctional nanopatterned surfaces. Detailed parallel ES algorithms and cost models are presented, showing its potential as a promising tool for advancing AI-driven nanomanufacturing. Full article
(This article belongs to the Special Issue Development of Innovative Devices Using New-Emerging Micro and Nano Technologies)
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11 pages, 13239 KiB  
Article
Controllable Pseudospin Topological Add-Drop Filter Based on Magnetic–Optical Photonic Crystals
by Chao Yan, Yuhao Huang, Zhi-Yuan Li and Wenyao Liang
Nanomaterials 2024, 14(11), 919; https://doi.org/10.3390/nano14110919 - 23 May 2024
Cited by 1 | Viewed by 1337
Abstract
We propose a controllable topological add-drop filter based on magnetic–optical photonic crystals. This add-drop filter is composed of two straight waveguides and a hexagonal photonic crystal ring resonator. The waveguide and ring resonator are constructed by three different honeycomb magnetic–optical photonic crystals. The [...] Read more.
We propose a controllable topological add-drop filter based on magnetic–optical photonic crystals. This add-drop filter is composed of two straight waveguides and a hexagonal photonic crystal ring resonator. The waveguide and ring resonator are constructed by three different honeycomb magnetic–optical photonic crystals. The expanded lattice is applied with an external magnetic field so that it breaks time-reversal symmetry and the analogous quantum spin Hall effect simultaneously. While the standard one and the compressed one are not magnetized and trivial, the straight waveguide supports pseudospin-down (or pseudospin-up) one-way states when the expanded lattice is applied with an external magnetic field of +H (or −H). The ring resonator possesses multiple resonant modes which can be divided into travelling modes and standing modes. By using the travelling modes, we have demonstrated the function of the add-drop filter and realized the output port control by changing the direction of the magnetic field. Moreover, a large tunable power ratio from near 0 to 52.6 is achieved by adjusting the strength of the external magnetic field. The structure has strong robustness against defects due to the topological protection property. These results have potential in wavelength division multiplexing systems and integrated topological optical devices. Full article
(This article belongs to the Special Issue Development of Innovative Devices Using New-Emerging Micro and Nano Technologies)
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Review

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30 pages, 7685 KiB  
Review
Recent Developments of Advanced Broadband Photodetectors Based on 2D Materials
by Yan Tian, Hao Liu, Jing Li, Baodan Liu and Fei Liu
Nanomaterials 2025, 15(6), 431; https://doi.org/10.3390/nano15060431 - 11 Mar 2025
Viewed by 924
Abstract
With the rapid development of high-speed imaging, aerospace, and telecommunications, high-performance photodetectors across a broadband spectrum are urgently demanded. Due to abundant surface configurations and exceptional electronic properties, two-dimensional (2D) materials are considered as ideal candidates for broadband photodetection applications. However, broadband photodetectors [...] Read more.
With the rapid development of high-speed imaging, aerospace, and telecommunications, high-performance photodetectors across a broadband spectrum are urgently demanded. Due to abundant surface configurations and exceptional electronic properties, two-dimensional (2D) materials are considered as ideal candidates for broadband photodetection applications. However, broadband photodetectors with both high responsivity and fast response time remain a challenging issue for all the researchers. This review paper is organized as follows. Introduction introduces the fundamental properties and broadband photodetection performances of transition metal dichalcogenides (TMDCs), perovskites, topological insulators, graphene, and black phosphorus (BP). This section provides an in-depth analysis of their unique optoelectronic properties and probes the intrinsic physical mechanism of broadband detection. In Two-Dimensional Material-Based Broadband Photodetectors, some innovative strategies are given to expand the detection wavelength range of 2D material-based photodetectors and enhance their overall performances. Among them, chemical doping, defect engineering, constructing heterostructures, and strain engineering methods are found to be more effective for improving their photodetection performances. The last section addresses the challenges and future prospects of 2D material-based broadband photodetectors. Furthermore, to meet the practical requirements for very large-scale integration (VLSI) applications, their work reliability, production cost and compatibility with planar technology should be paid much attention. Full article
(This article belongs to the Special Issue Development of Innovative Devices Using New-Emerging Micro and Nano Technologies)
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