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Nanomaterials, Volume 13, Issue 11

June-1 2023 - 109 articles

Cover Story: Our study explores the behavior of electrical contacts in one-dimensional CNTs for future nanoelectronic and optoelectronic applications. Via ab initio modeling the effect of metal deformations on the conductance of metallic armchair and zigzag CNT field effect transistors, we reveal that the current–voltage characteristics differ from those expected for metallic CNTs. Specifically, the conductance of armchair CNTs exhibits an ON/OFF ratio of about two, regardless of temperature, attributed to modifications in the band structure caused by deformation. In contrast, zigzag metallic CNTs experience band crossing without a bandgap opening. These findings help to understand electrical contacts in CNT-based devices. View this paper
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Articles (109)

  • Article
  • Open Access
7 Citations
3,356 Views
11 Pages

Precision Tailoring Quasi-BIC Resonance of a-Si:H Metasurfaces

  • Athira Kuppadakkath,
  • Ángela Barreda,
  • Lilit Ghazaryan,
  • Tobias Bucher,
  • Kirill Koshelev,
  • Thomas Pertsch,
  • Adriana Szeghalmi,
  • Duk Choi,
  • Isabelle Staude and
  • Falk Eilenberger

5 June 2023

The capability of tailoring the resonance wavelength of metasurfaces is important as it can alleviate the manufacturing precision required to produce the exact structure according to the design of the nanoresonators. Tuning of Fano resonances by appl...

  • Article
  • Open Access
2 Citations
2,556 Views
13 Pages

5 June 2023

The transport characteristics of a gate-all-around Si multiple-quantum-dot (QD) transistor were studied by means of experimental parametrization using theoretical models. The device was fabricated by using the e-beam lithographically patterned Si nan...

  • Article
  • Open Access
2 Citations
2,265 Views
11 Pages

5 June 2023

Rapid urban industrialization and agricultural production have led to the discharge of excessive phosphate into aquatic systems, resulting in a rise in water pollution. Therefore, there is an urgent need to explore efficient phosphate removal technol...

  • Article
  • Open Access
4 Citations
1,883 Views
19 Pages

5 June 2023

A nonlinear MEMS multimass sensor is numerically investigated, designed as a single input-single output (SISO) system consisting of an array of nonlinear microcantilevers clamped to a shuttle mass which, in turn, is constrained by a linear spring and...

  • Article
  • Open Access
4 Citations
3,692 Views
9 Pages

Controllable Synthesis and Charge Density Wave Phase Transitions of Two-Dimensional 1T-TaS2 Crystals

  • Xiaoguang Pan,
  • Tianwen Yang,
  • Hangxin Bai,
  • Jiangbo Peng,
  • Lujie Li,
  • Fangli Jing,
  • Hailong Qiu,
  • Hongjun Liu and
  • Zhanggui Hu

5 June 2023

1T-TaS2 has attracted much attention recently due to its abundant charge density wave phases. In this work, high-quality two-dimensional 1T-TaS2 crystals were successfully synthesized by a chemical vapor deposition method with controllable layer numb...

  • Article
  • Open Access
9 Citations
2,374 Views
12 Pages

5 June 2023

In this study, we investigated the use of porous silicon (PSi) fabricated using metal-assisted chemical etching (MACE) as a substrate for the deposition of Au nanoparticles (NPs) for the reduction of nitroaromatic compounds. PSi provides a high surfa...

  • Communication
  • Open Access
5 Citations
3,059 Views
10 Pages

Green Cleaning of 3D-Printed Polymeric Products by Micro-/Nano-Bubbles

  • Haoxiang Gao,
  • Fenghua Zhang,
  • Kangkang Tang,
  • Xianyu Luo,
  • Ziang Pu,
  • Jiuzhou Zhao,
  • Zhiwei Jiao and
  • Weimin Yang

5 June 2023

3D printing technology has been used to directly produce various actual products, ranging from engines and medicines to toys, especially due to its advantage in producing items of complicated, porous structures, which are inherently difficult to clea...

  • Review
  • Open Access
37 Citations
4,789 Views
29 Pages

Carbon and Cellulose-Based Nanoparticle-Reinforced Polymer Nanocomposites: A Critical Review

  • Gopal Yuvaraj,
  • Manickam Ramesh and
  • Lakshminarasimhan Rajeshkumar

5 June 2023

Nanomaterials are currently used for different applications in several fields. Bringing the measurements of a material down to nanoscale size makes vital contributions to the improvement of the characteristics of materials. The polymer composites acq...

  • Article
  • Open Access
14 Citations
2,557 Views
12 Pages

5 June 2023

α-Al2O3 nanoparticles can enter a micro-arc oxidation coating and participate in the coating-formation process through chemical reaction or physical–mechanical combination in the electrolyte. The prepared coating has high strength, good t...

  • Article
  • Open Access
3 Citations
2,263 Views
12 Pages

Sub-Millisecond Laser-Irradiation-Mediated Surface Restructure Boosts the CO Production Yield of Cobalt Oxide Supported Pd Nanoparticles

  • Praveen Kumar Saravanan,
  • Dinesh Bhalothia,
  • Guo-Heng Huang,
  • Amisha Beniwal,
  • Mingxing Cheng,
  • Yu-Chieh Chao,
  • Ming-Wei Lin,
  • Po-Chun Chen and
  • Tsan-Yao Chen

5 June 2023

The catalytic conversion of CO2 into valuable commodities has the potential to balance ongoing energy and environmental issues. To this end, the reverse water–gas shift (RWGS) reaction is a key process that converts CO2 into CO for various indu...

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Nanomaterials - ISSN 2079-4991