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Materials, Volume 15, Issue 24

December-2 2022 - 384 articles

Cover Story: A novel device that enables light polarization control in silicon photonic-integrated waveguides has been demonstrated using graphene. The proposed device consists of a graphene nanoribbon placed on top of a silicon-on-insulator (SOI) strip waveguide. It allows us to tune and filter out one of the two orthogonal polarizations with respect to the other polarization by adjusting the waveguide design. Numerical simulations showed that the chemical potential of graphene and the device’s geometrical dimensions (e.g., waveguide and nanoribbon widths; oxide spacer thickness between silicon and graphene) are the main parameters that influence the polarization control functionality. The results are relevant for applications in silicon photonic-based polarization-encoded QKD devices that operate in the telecom 1.55 µm C-band. View this paper
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Articles (384)

  • Article
  • Open Access
2 Citations
2,749 Views
16 Pages

19 December 2022

In this paper, stress intensity factor (SIF) solutions are numerically obtained for notched bars subjected to tensile loading containing an eccentric circular inner crack located in the cross-section corresponding to the notch root. The finite elemen...

  • Article
  • Open Access
4 Citations
2,398 Views
13 Pages

New Insights into the Crystal Chemistry of FeB-Type Compounds: The Case of CeGe

  • Riccardo Freccero,
  • Emmelina Frick,
  • Caroline Wilthorn and
  • Julia-Maria Hübner

19 December 2022

Several alkaline earth or rare earth binary monosilicides and -germanides possess complex bonding properties, such as polycation formation exceeding the scope of classical electron counting rules. In this study, we present characterization by powder...

  • Article
  • Open Access
6 Citations
2,995 Views
17 Pages

Effect of Al Addition on Microstructure and Properties of CoCrNi Medium-Entropy Alloy Prepared by Powder Metallurgy

  • Xuekun Ding,
  • Jichang He,
  • Jinde Zhong,
  • Xiang Wang,
  • Zhanjiang Li,
  • Jun Tian and
  • Pinqiang Dai

19 December 2022

Powder metallurgy possesses the advantages of low energy consumption, less material consumption, uniform composition, and near-final forming. In order to improve the mechanical properties and high-temperature oxidation resistance of CoCrNi medium-ent...

  • Article
  • Open Access
8 Citations
3,690 Views
16 Pages

Laser Welding of Ti6Al4V Titanium Alloy in Air and a Water Medium

  • Mohamad Alhajhamoud,
  • Sayit Ozbey,
  • Mehmet Alp Ilgaz,
  • Levent Candan,
  • Ibrahim Cinar,
  • Mario Vukotić,
  • Selma Čorović,
  • Damijan Miljavec and
  • Ersin Kayahan

19 December 2022

Ti6Al4V titanium alloys are widely used in a variety of scientific and industrial fields. Laser beam welding is one of the most effective techniques for the joining of titanium plates. The main objective of this study was to investigate the influence...

  • Review
  • Open Access
19 Citations
3,826 Views
25 Pages

Bioactive Glasses as Carriers of Cancer-Targeted Drugs: Challenges and Opportunities in Bone Cancer Treatment

  • Roger Borges,
  • Agatha Maria Pelosine,
  • Ana Carolina Santos de Souza,
  • Joel Machado,
  • Giselle Zenker Justo,
  • Lionel Fernel Gamarra and
  • Juliana Marchi

19 December 2022

The treatment of bone cancer involves tumor resection followed by bone reconstruction of the defect caused by the tumor using biomaterials. Additionally, post-surgery protocols cover chemotherapy, radiotherapy, or drug administration, which are emplo...

  • Article
  • Open Access
14 Citations
3,497 Views
12 Pages

Nano-Confined Tin Oxide in Carbon Nanotube Electrodes via Electrostatic Spray Deposition for Lithium-Ion Batteries

  • Alexandra Henriques,
  • Amin Rabiei Baboukani,
  • Borzooye Jafarizadeh,
  • Azmal Huda Chowdhury and
  • Chunlei Wang

19 December 2022

The development of novel materials is essential for the next generation of electric vehicles and portable devices. Tin oxide (SnO2), with its relatively high theoretical capacity, has been considered as a promising anode material for applications in...

  • Article
  • Open Access
16 Citations
3,081 Views
9 Pages

Non-Volatile Memory and Synaptic Characteristics of TiN/CeOx/Pt RRAM Devices

  • Hoesung Ha,
  • Juyeong Pyo,
  • Yunseok Lee and
  • Sungjun Kim

19 December 2022

In this study, we investigate the synaptic characteristics and the non-volatile memory characteristics of TiN/CeOx/Pt RRAM devices for a neuromorphic system. The thickness and chemical properties of the CeOx are confirmed through TEM, EDS, and XPS an...

  • Article
  • Open Access
3 Citations
1,934 Views
11 Pages

19 December 2022

Deep-red persistent luminescence (PersL) materials have promising applications in fluorescence labeling and tracking. PersL spectral range and PersL duration are considered to be the key factors driving the development of high-performance deep-red Pe...

  • Article
  • Open Access
3 Citations
2,016 Views
15 Pages

19 December 2022

The main cause of in-service failure of cold drawn wires in aggressive environments is hydrogen embrittlement (HE). The non-uniform plastic strains and residual stresses generated after cold drawing play a significant role in the matter of HE suscept...

  • Article
  • Open Access
3 Citations
2,141 Views
21 Pages

19 December 2022

The impact of the dynamic soil-structure interaction (DSSI) on the response of a single-span footbridge to mining-induced shocks was assessed. Firstly, the eigen values, modes and damping of the footbridge were evaluated based on in-operation field t...

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Materials - ISSN 1996-1944