Low Dimensional Materials Fabrication, Characterization and Applications

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: 13 July 2025 | Viewed by 3862

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Superconducting and Other Innovative Materials and Devices Institute—National Research Council (SPIN-CNR), Via Giovanni Paolo II, 132, 84084 Fisciano, Italy
Interests: graphene; 2D materials; electronic properties; field effect transistors; photodetectors; contact resistance; field emission from nanostructures
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Special Issue Information

Dear Colleagues,

The Special Issue entitled “Current Advances in Nanoelectronics, Nanosensors and Devices (Second Edition)—Low Dimensional Materials Fabrication, Characterization and Applications” will present a collection of high-quality original research papers and comprehensive reviews concerning the recent advances in the field of nanostructures, 2D materials, nanoelectronics, nanosensors, and devices.

This Special Issue aims to highlight new understandings, new techniques, new results, new theories, and new innovative approaches and developments in all aspects of the fabrication, characterization, and application of nanostructures, 2D materials, nanoelectronics, nanosensors, and nanodevices and their integration in existing and emerging applications. Potential topics include, but are not limited to, the following:

  • Nanotubes and nanowires;
  • 2D materials;
  • The synthesis and characterization of nanostructured and nanoscale materials;
  • Properties of nanoscale materials;
  • Theoretical modeling;
  • Nanoelectronics and nanophotonics;
  • Diode and transistors;
  • Photodetectors and THz detectors;
  • Nanosensors and nanodevices;
  • Electron emitters;
  • Flexible electronics;
  • Optoelectronic devices;
  • Supercapacitors and batteries.

Dr. Filippo Giubileo
Guest Editor

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Keywords

  • nanostructures
  • nanomaterials
  • nanodevices
  • 2D materials
  • low dimensional materials
  • photodetectors
  • characterization
  • transport properties
  • batteries
  • energy

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Published Papers (2 papers)

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Research

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15 pages, 3626 KiB  
Article
Optical Fiber Probe with Integrated Micro-Optical Filter for Raman and Surface-Enhanced Raman Scattering Sensing
by Md Abdullah Al Mamun, Tomas Katkus, Anita Mahadevan-Jansen, Saulius Juodkazis and Paul R. Stoddart
Nanomaterials 2024, 14(16), 1345; https://doi.org/10.3390/nano14161345 - 14 Aug 2024
Cited by 1 | Viewed by 1919
Abstract
Optical fiber Raman and surface-enhanced Raman scattering (SERS) probes hold great promise for in vivo biosensing and in situ monitoring of hostile environments. However, the silica Raman scattering background generated within the optical fiber increases in proportion to the length of the fiber, [...] Read more.
Optical fiber Raman and surface-enhanced Raman scattering (SERS) probes hold great promise for in vivo biosensing and in situ monitoring of hostile environments. However, the silica Raman scattering background generated within the optical fiber increases in proportion to the length of the fiber, and it can swamp the signal from the target analyte. While filtering can be applied at the distal end of the fiber, the use of bulk optical elements has limited probe miniaturization to a diameter of 600 µm, which in turn limits the potential applications. To overcome this limitation, femtosecond laser micromachining was used to fabricate a prototype micro-optical filter, which was directly integrated on the tip of a 125 µm diameter double-clad fiber (DCF) probe. The outer surface of the microfilter was further modified with a nanostructured, SERS-active, plasmonic film that was used to demonstrate proof-of-concept performance with thiophenol as a test analyte. With further optimization of the associated spectroscopic system, this ultra-compact microprobe shows great promise for Raman and SERS optical fiber sensing. Full article
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Review

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27 pages, 10002 KiB  
Review
The Superconducting Mechanism in BiS2-Based Superconductors: A Comprehensive Review with Focus on Point-Contact Spectroscopy
by Paola Romano, Aniello Pelella, Antonio Di Bartolomeo and Filippo Giubileo
Nanomaterials 2024, 14(21), 1740; https://doi.org/10.3390/nano14211740 - 30 Oct 2024
Viewed by 1487
Abstract
The family of BiS2-based superconductors has attracted considerable attention since their discovery in 2012 due to the unique structural and electronic properties of these materials. Several experimental and theoretical studies have been performed to explore the basic properties and the underlying [...] Read more.
The family of BiS2-based superconductors has attracted considerable attention since their discovery in 2012 due to the unique structural and electronic properties of these materials. Several experimental and theoretical studies have been performed to explore the basic properties and the underlying mechanism for superconductivity. In this review, we discuss the current understanding of pairing symmetry in BiS2-based superconductors and particularly the role of point-contact spectroscopy in unravelling the mechanism underlying the superconducting state. We also review experimental results obtained with different techniques including angle-resolved photoemission spectroscopy, scanning tunnelling spectroscopy, specific heat measurements, and nuclear magnetic resonance spectroscopy. The integration of experimental results and theoretical predictions sheds light on the complex interplay between electronic correlations, spin fluctuations, and Fermi surface topology in determining the coupling mechanism. Finally, we highlight recent advances and future directions in the field of BiS2-based superconductors, underlining the potential technological applications. Full article
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