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Crystals, Volume 11, Issue 5

May 2021 - 117 articles

Cover Story: Lithium niobate (LiNbO3) crystal boule quality depends on the technological conditions of crystal growth: the variation in charge synthesis type, stoichiometry, dopant type, concentration, etc. The figure shows a macrodefect cellular structure in a doped LiNbO3:Zn crystal: a—at the bottom; b—on the Z surface through the X surface; c—observation in the DIC mode.View this paper
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Articles (117)

  • Article
  • Open Access
10 Citations
3,621 Views
17 Pages

Design and Evaluation the Anti-Wear Property of Inorganic Fullerene Tungsten Disulfide as Additive in PAO6 Oil

  • Wenting Chen,
  • Kunyapat Thummavichai,
  • Xiaorong Chen,
  • Guangsheng Liu,
  • Xuefeng Lv,
  • Linyi Zhang,
  • Ding Chen,
  • Santosh Kr. Tiwari,
  • Nannan Wang and
  • Yanqiu Zhu

20 May 2021

Inorganic fullerene-like tungsten disulfide particles have been proved to have good anti-friction and anti-wear properties as lubricating materials. As far as we know, however, when it is used as a lubricant additive, its behavior and action mechanis...

  • Article
  • Open Access
6 Citations
5,775 Views
12 Pages

Synthesis of 1-[(Aryl)(3-amino-5-oxopyrazolidin-4-ylidene) methyl]-2-oxo-1,2-dihydroquinoline-3-carboxylic Acid Derivatives and Their Breast Anticancer Activity

  • Ahmed Gaber,
  • Walaa F. Alsanie,
  • Majid Alhomrani,
  • Abdulhakeem S. Alamri,
  • Ibrahim M. El-Deen and
  • Moamen S. Refat

20 May 2021

This research aimed to produce new 1-[(aryl)(3-amino-5-oxopyrazolidin-4-ylidene) methyl]-2-oxo-1,2-dihydroquinoline-3-carboxylic acid derivatives and check their anticancer effect against the breast cancer MCF-7 cell line. The 2-oxo-1,2-dihydroquinol...

  • Article
  • Open Access
7 Citations
4,651 Views
17 Pages

Novel Dihydro-1,3,2H-benzoxazine Derived from Furfurylamine: Crystal Structure, Hirshfeld Surface Analysis, Photophysical Property, and Computational Study

  • Worawat Wattanathana,
  • Yuranan Hanlumyuang,
  • Suttipong Wannapaiboon,
  • Kantapat Chansaenpak,
  • Piyanut Pinyou,
  • Tanin Nanok and
  • Pongsakorn Kanjanaboos

20 May 2021

Dihydro-1,3,2H-benzoxazines (or benzoxazine monomers) are a class of compounds that have been widely utilized in many areas such as the production of the functional polymers and optoelectronic materials. The structure variety of the benzoxazines play...

  • Article
  • Open Access
9 Citations
3,672 Views
15 Pages

3D-FEM Simulation of Hot Rolling Process and Characterization of the Resultant Microstructure of a Light-Weight Mn Steel

  • Ana Claudia González-Castillo,
  • José de Jesús Cruz-Rivera,
  • Mitsuo Osvaldo Ramos-Azpeitia,
  • Pedro Garnica-González,
  • Carlos Gamaliel Garay-Reyes,
  • José Sergio Pacheco-Cedeño and
  • José Luis Hernández-Rivera

20 May 2021

Computational simulation has become more important in the design of thermomechanical processing since it allows the optimization of associated parameters such as temperature, stresses, strains and phase transformations. This work presents the results...

  • Article
  • Open Access
4 Citations
3,773 Views
11 Pages

20 May 2021

In this paper, the pole figures plotted from X-ray diffraction data are employed to analyze the orientation of hydroxyapatite in ivory and mammoth ivory for the first time. The results present evidence of the lamellar structure and the hydroxyapatite...

  • Article
  • Open Access
10 Citations
3,017 Views
19 Pages

19 May 2021

Surface Enhanced on Infrared Absorption (SEIRAS) and Raman Spectroscopy (SERS) are nondestructive analytic techniques used to detect low concentrations and recognize the fingerprints of molecules. The recognition of the absorption from samples by con...

  • Article
  • Open Access
3 Citations
2,881 Views
14 Pages

19 May 2021

An experimental investigation has been carried out to analyse different mould section sizes to measure the meniscus fluctuation by varying different liquid flow rates and different submerged entry nozzle port angles, i.e., 0° port angles, 15° downwar...

  • Article
  • Open Access
8 Citations
6,387 Views
13 Pages

Synthesis and Characterization of Some New Coumarin Derivatives as Probable Breast Anticancer MCF-7 Drugs

  • Ahmed Gaber,
  • Walaa F. Alsanie,
  • Majid Alhomrani,
  • Abdulhakeem S. Alamri,
  • Ibrahim M. El-Deen and
  • Moamen S. Refat

19 May 2021

This study aimed to synthesize quinolinone derivatives and investigate their cytotoxic activity. The compound 1-azacoumarin-3-carboxylic acid (2-oxo-1H-quinoline-3-carboxylic acid) was obtained via the cyclocondensation of 2-hydroxybenzaldehyde with...

  • Article
  • Open Access
6 Citations
3,327 Views
11 Pages

19 May 2021

Optical parametric oscillation can convert the input laser into a couple of coherent optical output with signal and idler frequencies. It is an important method for the realization of the broadband middle infrared tunable lasers. The optical parametr...

  • Article
  • Open Access
3 Citations
2,950 Views
8 Pages

19 May 2021

The ab-plane optical conductivity of the Weyl semimetal TaP is calculated from the band structure and compared to the experimental data. The overall agreement between theory and experiment is found to be best when the Fermi level is slightly (20 to 6...

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Crystals - ISSN 2073-4352