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Crystals, Volume 9, Issue 5

May 2019 - 51 articles

Cover Story: The Al- and Fe-oxide-hydroxides systems share many isostructures. While Al10O14(OH)2(akdalaite) and Fe10O14(OH)2(ferrihydrite) are indeed isostructural, the former crystallizes from solution while the latter occurs only in nanocrystalline form. A comprehensive study combining total X-ray and neutron scattering, and NMR spectroscopy, reveals the two structures share anomalies in expected bond valence sums, especially at the tetrahedral metal site of the M13Keggin cluster motifs implicated in the NP growth. View this paper
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Articles (51)

  • Article
  • Open Access
4 Citations
4,988 Views
9 Pages

Floating Zone Growth of Sr Substituted Han Purple: Ba0.9Sr0.1CuSi2O6

  • Pascal Puphal,
  • Stephan Allenspach,
  • Christian Rüegg and
  • Ekaterina Pomjakushina

27 May 2019

We present a route to grow single crystals of Ba 0.9 Sr 0.1 CuSi 2 O 6 suitable for inelastic neutron studies via the floating zone technique. Neutron single crystal diffraction was utilized to check their bulk qualit...

  • Article
  • Open Access
5 Citations
3,465 Views
8 Pages

Multifrequency Driven Nematics

  • Noureddine Bennis,
  • Jakub Herman,
  • Aleksandra Kalbarczyk,
  • Przemysław Kula and
  • Leszek R. Jaroszewicz

27 May 2019

Liquid crystals act on the amplitude and the phase of a wave front under applied electric fields. Ordinary LCs are known as field induced birefringence, thus both phase and amplitude modulation strongly depend on the voltage controllable molecular ti...

  • Review
  • Open Access
110 Citations
14,141 Views
20 Pages

Recent Advances in Adaptive Liquid Crystal Lenses

  • José Francisco Algorri,
  • Dimitrios C. Zografopoulos,
  • Virginia Urruchi and
  • José Manuel Sánchez-Pena

25 May 2019

An adaptive-focus lens is a device that is capable of tuning its focal length by means of an external stimulus. Numerous techniques for the demonstration of such devices have been reported thus far. Moving beyond traditional solutions, several new ap...

  • Perspective
  • Open Access
102 Citations
16,328 Views
36 Pages

New Directions in Metal Phosphonate and Phosphinate Chemistry

  • Stephen J.I. Shearan,
  • Norbert Stock,
  • Franziska Emmerling,
  • Jan Demel,
  • Paul A. Wright,
  • Konstantinos D. Demadis,
  • Maria Vassaki,
  • Ferdinando Costantino,
  • Riccardo Vivani and
  • Sébastien Sallard
  • + 3 authors

24 May 2019

In September 2018, the First European Workshop on Metal Phosphonates Chemistry brought together some prominent researchers in the field of metal phosphonates and phosphinates with the aim of discussing past and current research efforts and identifyin...

  • Article
  • Open Access
36 Citations
10,719 Views
17 Pages

Simultaneous SAXS-WAXS Experiments on Semi-Crystalline Polymers: Example of PA11 and Its Brill Transition

  • Sylvie Tencé-Girault,
  • Sylvie Lebreton,
  • Oana Bunau,
  • Patrick Dang and
  • François Bargain

24 May 2019

This manuscript of the special issue “Microstructural Evolution and Mechanical Behavior of Semi-Crystalline Polymers” aims to show that Small Angle X-ray Scattering (SAXS) and Wide Angle X-ray Scattering (WAXS) experiments performed simul...

  • Article
  • Open Access
6 Citations
3,297 Views
9 Pages

23 May 2019

The effect of sectional polymerization process on tunable filters with cholesteric liquid crystal (CLC) and blue phase liquid crystal (BPLC) is demonstrated. The bandwidths of the polymer-stabilized cholesteric liquid crystal (PSCLC) and polymer-stab...

  • Review
  • Open Access
31 Citations
9,772 Views
31 Pages

Reading and Misreading 8-oxoguanine, a Paradigmatic Ambiguous Nucleobase

  • Anna V. Yudkina,
  • Evgeniy S. Shilkin,
  • Anton V. Endutkin,
  • Alena V. Makarova and
  • Dmitry O. Zharkov

23 May 2019

7,8-Dihydro-8-oxoguanine (oxoG) is the most abundant oxidative DNA lesion with dual coding properties. It forms both Watson–Crick (anti)oxoG:(anti)C and Hoogsteen (syn)oxoG:(anti)A base pairs without a significant distortion of a B-DNA helix. DNA pol...

  • Article
  • Open Access
3 Citations
3,827 Views
10 Pages

Transformation of the Topological Phase and the Edge Modes of Double-Bilayer Bismuthene with Inter-Bilayer Spacing

  • Huanzhi Hu,
  • Zhibin Shi,
  • Peng Wang,
  • Weiping Zhou,
  • Tai-Chang Chiang and
  • Xiaoxiong Wang

22 May 2019

The transformations of the topological phase and the edge modes of a double-bilayer bismuthene were investigated with first-principles calculations and Green’s function as the inter-bilayer spacing increased from 0 Å to 10 Å. At a c...

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Crystals - ISSN 2073-4352