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Crystals, Volume 13, Issue 10

October 2023 - 121 articles

Cover Story: The potassium titanyl phosphate (KTP) crystal family is a promising candidate for applications in nonlinear and quantum optics. KTP combines large nonlinearities with a high damage threshold and unique dispersion properties. The fabrication of devices remains a challenge due to the complexity of the crystal structure and the difficulty of characterization. Raman spectroscopy combined with theoretical modelling provides access to study defects, strain, ferroelectric domains and more. Here, a comprehensive study of the Raman spectrum of the material family is presented, providing a baseline for the interpretation of the vibrational properties, enabling more in-depth studies of the crystal family possibly enabling improved device fabrication. The cover symbolically shows the excitation of a lattice vibration in KTP. View this paper
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Articles (121)

  • Article
  • Open Access
5 Citations
1,812 Views
14 Pages

An Influence of Fluorinated Alkyl Substituents on Structure and Magnetic Properties of Mn(II) Complexes with Pyrazolyl-Substituted Nitronyl Nitroxides

  • Ekaterina Kudryavtseva,
  • Andrey Serykh,
  • Bogdan Ugrak,
  • Tatyana Dutova,
  • Darina Nasyrova,
  • Alexander Korlyukov,
  • Mikhail Zykin,
  • Nikolay Efimov,
  • Artem Bogomyakov and
  • Evgeny Tretyakov

23 October 2023

New complexes of manganese(II) hexafluoroacetylacetonate [Mn(hfac)2] with 2-(1-R-3-pyrazol-4-yl)-4,4,5,5-tetramethyl-2-imidazoline-3-oxide-1-oxyl (R = CHF2, CH2CH2F, CH2CHF2 or CH2CF3) were synthesised and characterised structurally and magnetically....

  • Article
  • Open Access
2 Citations
1,969 Views
13 Pages

22 October 2023

The major challenge of hydrogen production via photocatalytic water-splitting is to utilize active photocatalysts that respond to a wide range of visible light. In this work, hybrid nanostructures purposed to combine the tunable magnetic behavior of...

  • Article
  • Open Access
6 Citations
1,800 Views
15 Pages

Study of Gas Swelling Processes under Irradiation with Protons and He2+ Ions in Li4SiO4–Li2TiO3 Ceramics

  • Inesh E. Kenzhina,
  • Artem L. Kozlovskiy,
  • Yevgen Chikhray,
  • Timur Kulsartov,
  • Zhanna Zaurbekova,
  • Meiram Begentayev and
  • Saulet Askerbekov

22 October 2023

One of the important areas of research in the energy sector is the study of the prospects for using new types of nuclear fuel, including tritium, which is one of the most promising types of fuel for thermonuclear energy. At the same time, for the pro...

  • Article
  • Open Access
7 Citations
2,407 Views
11 Pages

High Gas Pressure and High-Temperature Synthesis (HP-HTS) Technique and Its Impact on Iron-Based Superconductors

  • Mohammad Azam,
  • Manasa Manasa,
  • Andrzej Morawski,
  • Tomasz Cetner and
  • Shiv J. Singh

21 October 2023

The high-pressure growth technique generally plays an important role in the improvement of sample quality and the enhancement of various physical and magnetic properties of materials. The high gas pressure technique provides a large sample space (10–...

  • Article
  • Open Access
5 Citations
1,652 Views
19 Pages

20 October 2023

Quasi-beta processing was considered to be a promising processing method to obtain a component with excellent mechanical properties. To achieve an optimized quasi-beta processing parameter for TC21 alloys, the hot deformation behavior in the near &be...

  • Feature Paper
  • Article
  • Open Access
6 Citations
3,289 Views
12 Pages

20 October 2023

The adsorption equilibrium of methane (CH4) and carbon dioxide (CO2) on the metal–organic framework (MOF) UiO-66 is studied via molecular simulation. UiO-66 is a versatile MOF with vast potential for various adsorption processes, such as biogas...

  • Article
  • Open Access
1 Citations
1,654 Views
14 Pages

20 October 2023

Due to notable water–salt activities, salt damage easily recurs and becomes one of the biggest challenges for the protection of ancient murals. Herein, superhydrophobic SiO2 materials with different sizes were used to modify mural ground layer...

  • Article
  • Open Access
10 Citations
2,473 Views
20 Pages

Structural, Electrical, and Electrochemical Properties of a Na2O-V2O5 Ceramic Nanocomposite as an Active Cathode Material for a Na-Ion Battery

  • Ahmed Ibrahim,
  • Satoshi Watanabe,
  • Marta Razum,
  • Luka Pavić,
  • Zoltán Homonnay,
  • Ernő Kuzmann,
  • Mohamed Yousry Hassaan and
  • Shiro Kubuki

20 October 2023

In this paper, a relationship between the structure and the electrical properties of a nanocrystalline composite ceramics xNa2O·(100 − x)V2O5 with ‘x’ of 5, 15, 25, 35, and 45 mol%, abbreviated as xNV, was investigated by X-r...

  • Article
  • Open Access
1 Citations
1,944 Views
9 Pages

Single-Chip Switchable Dual-Wavelength Vertical External-Cavity Surface-Emitting Laser

  • Zhuo Zhang,
  • Jianwei Zhang,
  • Ziye Du,
  • Haopeng Bai,
  • Jiye Zhang,
  • Tianjiao Liu,
  • Yinli Zhou,
  • Xing Zhang,
  • Chao Chen and
  • Li Qin
  • + 2 authors

19 October 2023

Dual-wavelength output devices have a wide range of applications in mid-infrared band difference frequency generation, anti-interference lidar, dual-wavelength holographic interferometry, and other applications. Vertical external cavity surface-emitt...

  • Communication
  • Open Access
1 Citations
1,871 Views
11 Pages

Ethoxylate Polymer-Based 96-Well Screen for Protein Crystallization

  • Ulrike Demmer,
  • Olivier N. Lemaire,
  • Mélissa Belhamri and
  • Ulrich Ermler

19 October 2023

Crystallization is the limiting step in X-ray structure determination of biological macromolecules. As crystallization experiments can be largely automatized, the diversity of precipitant solutions is often the determinant factor to obtain crystals o...

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Crystals - ISSN 2073-4352Creative Common CC BY license