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Nanomaterials
Special Issues
The Interaction of Electron Phenomena on the Mesoscopic Scale
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The Interaction of Electron Phenomena on the Mesoscopic Scale

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Physical Chemistry at Nanoscale".

Deadline for manuscript submissions: 10 June 2024 | Viewed by 1090

Special Issue Editors

Dr. Kai Chen

E-Mail Website
Guest Editor
School of Physics, Nanjing University of Science and Technology, Nanjing, China
Interests: dielectric physics and condensed matter physics
Prof. Dr. Laijun Liu

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Guilin University of Technology, Guilin, China
Interests: materials science

Special Issue Information

Dear Colleagues,

“More is different”. Interacting electrons on the mesoscopic scale present emerging phenomena of multi-body systems in condensed matters. The Special Issue covers cutting-edge studies on the mechanics, thermology, optics, electricity, and magnetism of nanomaterials. These studies include not only novel phenomena in new nanomaterials but also fundamental phenomena in the “old” ones.

We hope that the Special Issue will shed light on the theoretical limitations of weak, medium, and strong interactions among electrons, and, importantly, provide insights on the future development of material synthesis methods, structural and property characterizations, and scientific strategies.

Dr. Kai Chen
Prof. Dr. Laijun Liu
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. 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 2900 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

  • nanomaterial
  • interacting electron phenomena
  • mechanics
  • thermology
  • optics
  • electricity
  • magnetism

Published Papers (2 papers)

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Research

15 pages, 3799 KiB  
Article
Optimize Electron Beam Energy toward In Situ Imaging of Thick Frozen Bio-Samples with Nanometer Resolution Using MeV-STEM
by Xi Yang, Liguo Wang, Victor Smaluk and Timur Shaftan
Nanomaterials 2024, 14(9), 803; https://doi.org/10.3390/nano14090803 - 5 May 2024
Viewed by 287
Abstract
To optimize electron energy for in situ imaging of large biological samples up to 10 μm in thickness with nanoscale resolutions, we implemented an analytical model based on elastic and inelastic characteristic angles. This model has been benchmarked by Monte Carlo simulations and [...] Read more.
To optimize electron energy for in situ imaging of large biological samples up to 10 μm in thickness with nanoscale resolutions, we implemented an analytical model based on elastic and inelastic characteristic angles. This model has been benchmarked by Monte Carlo simulations and can be used to predict the transverse beam size broadening as a function of electron energy while the probe beam traverses through the sample. As a result, the optimal choice of the electron beam energy can be realized. In addition, the impact of the dose-limited resolution was analysed. While the sample thickness is less than 10 μm, there exists an optimal electron beam energy below 10 MeV regarding a specific sample thickness. However, for samples thicker than 10 μm, the optimal beam energy is 10 MeV or higher depending on the sample thickness, and the ultimate resolution could become worse with the increase in the sample thickness. Moreover, a MeV-STEM column based on a two-stage lens system can be applied to reduce the beam size from one micron at aperture to one nanometre at the sample with the energy tuning range from 3 to 10 MeV. In conjunction with the state-of-the-art ultralow emittance electron source that we recently implemented, the maximum size of an electron beam when it traverses through an up to 10 μm thick bio-sample can be kept less than 10 nm. This is a critical step toward the in situ imaging of large, thick biological samples with nanometer resolution. Full article
(This article belongs to the Special Issue The Interaction of Electron Phenomena on the Mesoscopic Scale)
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11 pages, 2028 KiB  
Article
Large Polaron Condensation in a Pseudo-Bilayer Quantum Hall Composite
by Bo Dai, Changyue Wang, Junhao Chen, Xin Su, Yuning Shi, Yihan Zeng, Ying Wang and Kai Chen
Nanomaterials 2024, 14(8), 688; https://doi.org/10.3390/nano14080688 - 16 Apr 2024
Viewed by 431
Abstract
There is much interest regarding the “coupled ferroelectricity and superconductivity” in the two-dimensional material, bilayer Td-MoTe2; however, the value and the type of electric polarization are unknown. The device structure and the measurement method show that the measured material [...] Read more.
There is much interest regarding the “coupled ferroelectricity and superconductivity” in the two-dimensional material, bilayer Td-MoTe2; however, the value and the type of electric polarization are unknown. The device structure and the measurement method show that the measured material is the composite of the pseudo-bilayer quantum Hall system, with a thickness of about thirty-six nanometers. The derived dielectric hysteresis loops and the calculated electronic structure reveal that the condensed large polarons are responsible for the reverse ferroelectricity and the coupled superconductivity. The maximum value of polaron-type electric polarization is ~12 nC/μm2 or 1.2 × 104 μc/cm2. Full article
(This article belongs to the Special Issue The Interaction of Electron Phenomena on the Mesoscopic Scale)
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