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Crystals, Volume 10, Issue 2

February 2020 - 89 articles

Cover Story: An XtalController was used to monitor the crystallization of two enzymes, the CCA-adding enzyme of the psychrophilic bacterium Planococcus halocryophilus, and the hen egg-white lysozyme in the presence of the Tb-Xo4 crystallophore. Using light scattering, the XtalController allowed us to follow the nucleating effect of Tb-Xo4 on lysozyme and produce high-diffraction-quality crystals for structure determination. This novel technology opens a way to the rational production of samples for crystallography, ranging from nanocrystals for electron diffraction to microcrystals for serial or conventional X-ray diffraction and larger crystals for neutron diffraction. View this paper
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Articles (89)

  • Article
  • Open Access
17 Citations
4,485 Views
16 Pages

24 February 2020

A theoretical study and Cambridge Structural Database (CSD) search of dinuclear Ag(I) pyrazolates interactions with Lewis bases were carried out and the effect of the substituents and ligands on the structure and on the aromaticity were analyzed. A r...

  • Article
  • Open Access
9 Citations
5,257 Views
13 Pages

Stable and Metastable Patterns in Chromonic Nematic Liquid Crystal Droplets Forced with Static and Dynamic Magnetic Fields

  • Jordi Ignés-Mullol,
  • Marc Mora,
  • Berta Martínez-Prat,
  • Ignasi Vélez-Cerón,
  • R. Santiago Herrera and
  • Francesc Sagués

24 February 2020

Spherical confinement of nematic liquid crystals leads to the formation of equilibrium director field configurations that include point and line defects. Driving these materials with flows or dynamic fields often results in the formation of alternati...

  • Article
  • Open Access
10 Citations
3,795 Views
17 Pages

24 February 2020

It is well known that the implementation of the conventional model-fitting (CMF) method leads to several indistinguishable ‘best’ candidate models (BCMs) for a single-step isothermal solid-state reaction (ISSR), meaning that subjective se...

  • Article
  • Open Access
15 Citations
4,621 Views
10 Pages

Enhanced Thermoelectric Properties of WS2/Single-Walled Carbon Nanohorn Nanocomposites

  • Ji Hoon Kim,
  • Seunggun Yu,
  • Sang Won Lee,
  • Seung-Yong Lee,
  • Keun Soo Kim,
  • Yoong Ahm Kim and
  • Cheol-Min Yang

24 February 2020

Recently, two-dimensional tungsten disulfide (WS2) has attracted attention as a next generation thermoelectric material due to a favorable Seebeck coefficient. However, its thermoelectric efficiency still needs to be improved due to the intrinsically...

  • Article
  • Open Access
12 Citations
4,483 Views
9 Pages

24 February 2020

The progress of nitride technology is widely limited and hindered by the lack of high-quality gallium nitride (GaN) wafers. Therefore, a large number of GaN epitaxial devices are grown on heterogeneous substrates. Although various additional treatmen...

  • Article
  • Open Access
39 Citations
3,422 Views
22 Pages

24 February 2020

This study considers ethylene-glycol as a moderate ionized regular liquid whose rheological behavior can be analyzed through the relations of the Carreau stress–strain tensor. Hybrid nanoliquids are potent liquids that give better performance...

  • Article
  • Open Access
28 Citations
9,088 Views
12 Pages

23 February 2020

We report the growth of nanoscale hafnium dioxide (HfO2) and zirconium dioxide (ZrO2) thin films using remote plasma-enhanced atomic layer deposition (PE-ALD), and the fabrication of complementary metal-oxide semiconductor (CMOS) integrated circuits...

  • Article
  • Open Access
122 Citations
15,665 Views
11 Pages

Structural and Optical Properties of ZnO Thin Films Prepared by Molecular Precursor and Sol–Gel Methods

  • Theopolina Amakali,
  • Likius. S. Daniel,
  • Veikko Uahengo,
  • Nelson Y. Dzade and
  • Nora H. de Leeuw

22 February 2020

Zinc oxide (ZnO) is a versatile and inexpensive semiconductor with a wide direct band gap that has applicability in several scientific and technological fields. In this work, we report the synthesis of ZnO thin films via two simple and low-cost synth...

  • Article
  • Open Access
36 Citations
7,948 Views
14 Pages

Ultrasonic Pulse Velocity—Compressive Strength Relationship for Portland Cement Mortars Cured at Different Conditions

  • Esteban Estévez,
  • Domingo Alfonso Martín,
  • Cristina Argiz and
  • Miguel Ángel Sanjuán

22 February 2020

The purpose of this paper is to establish some correlations between the main technical parameter with regard to the cement-based materials technology, the 28-day compressive strength, and ultrasonic pulse velocity of standard mortar samples cured at...

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Crystals - ISSN 2073-4352