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Nanomaterials, Volume 10, Issue 11

November 2020 - 232 articles

Cover Story: The SnO2 nanosheet transistor at a 4.5 nm thickness has achieved record-high 136 cm2/Vs field-effect mobility among top-gate metal-oxide transistors, significantly better 1.5 × 108 on-current/off-current than standard silicon transistors, and fast turn-on 0.11 V/decade subthreshold slope for low power operation. This transistor was fabricated at a 350 °C temperature on amorphous SiO2 dielectric of the integrated circuit (IC), which is much lower than the typical 1000 °C for single-crystal silicon transistors. This high-performance device and the energy-saving low-temperature process are the key technologies for monolithic three-dimensional brain-mimicking ICs that have extremely large interconnect density, superior fast speed, and ultralow power consumption. View this paper.
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Articles (232)

  • Article
  • Open Access
28 Citations
4,268 Views
12 Pages

Development of a Bioactive Flowable Resin Composite Containing a Zinc-Doped Phosphate-Based Glass

  • Myung-Jin Lee,
  • Young-Bin Seo,
  • Ji-Young Seo,
  • Jeong-Hyun Ryu,
  • Hyo-Ju Ahn,
  • Kwang-Mahn Kim,
  • Jae-Sung Kwon and
  • Sung-Hwan Choi

22 November 2020

Flowable resins used for dental restoration are subject to biofilm formation. Zinc has antibacterial properties. Thus, we prepared a zinc-doped phosphate-based glass (Zn-PBG) to dope a flowable resin and evaluated the antibacterial activity of the co...

  • Article
  • Open Access
64 Citations
7,021 Views
18 Pages

22 November 2020

The development of novel nanoparticles for diagnostic and therapeutic applications has been one of the most crucial challenges in cancer theranostics for the last decades. Herein, we functionalized iron oxide nanoparticles (IONPs) with the fourth gen...

  • Article
  • Open Access
30 Citations
3,745 Views
11 Pages

22 November 2020

This article presents an extrinsic fiber-optic acoustic sensor applied for partial discharge (PD) detection in air. A Fabry–Perot (F-P) cavity consisting of a single-mode fiber (SMF) and a graphene oxide (GO) film, whose thickness and effective...

  • Article
  • Open Access
10 Citations
3,367 Views
14 Pages

Electric and Photocatalytic Properties of Graphene Oxide Depending on the Degree of Its Reduction

  • László Péter Bakos,
  • Lőrinc Sárvári,
  • Krisztina László,
  • János Mizsei,
  • Zoltán Kónya,
  • Gyula Halasi,
  • Klára Hernádi,
  • Anna Szabó,
  • Dániel Berkesi and
  • István Bakos
  • + 1 author

22 November 2020

When graphene oxide is reduced, the functional groups are released and the structure becomes more ordered. The degree of reduction might be tunable with the process parameters. In our work, graphene oxide is prepared and the effect of thermal and che...

  • Article
  • Open Access
46 Citations
5,760 Views
13 Pages

Barium Titanate (BaTiO3) Nanoparticles Exert Cytotoxicity through Oxidative Stress in Human Lung Carcinoma (A549) Cells

  • Maqusood Ahamed,
  • Mohd Javed Akhtar,
  • M.A. Majeed Khan,
  • Hisham A. Alhadlaq and
  • Aws Alshamsan

22 November 2020

Barium titanate (BaTiO3) nanoparticles (BT NPs) have shown exceptional characteristics such as high dielectric constant and suitable ferro-, piezo-, and pyro-electric properties. Thus, BT NPs have shown potential to be applied in various fields inclu...

  • Article
  • Open Access
45 Citations
4,198 Views
15 Pages

22 November 2020

A series of porphyrin triads (1–4), in which each triad is composed of a Sn(IV) porphyrin and two free-base (or Zn(II)) porphyrins, was synthesized and their self-assembled nanostructures were studied. Depending on the substituent on porphyrin...

  • Article
  • Open Access
15 Citations
2,715 Views
26 Pages

21 November 2020

Through considering both nonlocality and surface energy effects, this paper suggests suitable mathematical-continuum-based models for free vibration of nanorods with multiple defects acted upon by a bidirectional-transverse magnetic field. By employi...

  • Article
  • Open Access
20 Citations
7,572 Views
12 Pages

Making van der Waals Heterostructures Assembly Accessible to Everyone

  • Sergey G. Martanov,
  • Natalia K. Zhurbina,
  • Mikhail V. Pugachev,
  • Aliaksandr I. Duleba,
  • Mark A. Akmaev,
  • Vasilii V. Belykh and
  • Aleksandr Y. Kuntsevich

21 November 2020

Van-der Waals heterostructures assembled from one or few atomic layer thickness crystals are becoming increasingly more popular in condensed matter physics. These structures are assembled using transfer machines, those are based on mask aligners, pro...

  • Article
  • Open Access
21 Citations
4,092 Views
12 Pages

Defect Engineering Enhances the Charge Separation of CeO2 Nanorods toward Photocatalytic Methyl Blue Oxidation

  • Jindong Yang,
  • Ning Xie,
  • Jingnan Zhang,
  • Wenjie Fan,
  • Yongchao Huang and
  • Yexiang Tong

21 November 2020

Defect-rich photocatalytic materials with excellent charge transfer properties are very popular. Herein, Sm-doped CeO2 nanorods were annealed in a N2 atmosphere to obtain the defective Sm-doped CeO2 photocatalysts (Vo–Sm–CeO2). The morpho...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,945 Views
11 Pages

Gas Sensing with Solar Cells: The Case of NH3 Detection through Nanocarbon/Silicon Hybrid Heterojunctions

  • Giovanni Drera,
  • Sonia Freddi,
  • Tiziano Freddi,
  • Andrea De Poli,
  • Stefania Pagliara,
  • Maurizio De Crescenzi,
  • Paola Castrucci and
  • Luigi Sangaletti

21 November 2020

Photovoltaic (PV) cells based on single-walled carbon nanotube (SWCNT)/silicon (Si) and multiwalled carbon nanotube (MWCNT)/Si junctions were tested under exposure to NH3 in the 0–21 ppm concentration range. The PV cell parameters remarkably ch...

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Nanomaterials - ISSN 2079-4991