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Crystals, Volume 13, Issue 5

May 2023 - 143 articles

Cover Story: The Fe alkoxide was initially fabricated by a facile solvothermal method. It was then converted into γ-Fe2O3, α-Fe2O3, and mixed-phase α/γ-Fe2O3 with a nanosheet-assembled flower-like structure at different annealing temperatures. The α/γ-Fe2O3, which annealed at 400 °C, included 18% α-Fe2O3, demonstrating excellent sensing performance towards acetone compared to that of γ-Fe2O3 and α-Fe2O3. It showed a response of 353 to 200 ppm acetone, a low limit of detection of 0.5 ppm at 160 °C, good reproducibility as well as selectivity, and a fast response time (22 s) as well as recovery time (14 s). The potential sensing mechanism is mainly ascribed to the unique microstructure and mixed phases of α/γ-Fe2O3. View this paper
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Articles (143)

  • Article
  • Open Access
16 Citations
3,468 Views
12 Pages

Hetero-Deformation Induced Hardening in a CoCrFeNiMn High-Entropy Alloy

  • Hamed Shahmir,
  • Parham Saeedpour,
  • Mohammad Sajad Mehranpour,
  • Seyed Amir Arsalan Shams and
  • Chong Soo Lee

19 May 2023

One of the most important issues in materials science is to overcome the strength–ductility trade-off in engineering alloys. The formation of heterogeneous and complex microstructures is a useful approach to achieving this purpose. In this inve...

  • Article
  • Open Access
9 Citations
2,911 Views
13 Pages

Role of Hydroxy Group in the Electro-Optical Properties of Polymer-Dispersed Liquid Crystals

  • Meina Yu,
  • Jianjun Xu,
  • Lingpeng Luo,
  • Luoning Zhang,
  • Yanzi Gao,
  • Cheng Zou,
  • Qian Wang,
  • Huiyun Wei,
  • Xiao Wang and
  • Huai Yang

19 May 2023

In this work, hydroxylated compounds are applied to prepare polymer-dispersed liquid crystal (PDLC) films and the role of the hydroxy group is studied in detail by comparing the effects of the hydroxylated acrylate monomer, the hydroxylated mesogenic...

  • Article
  • Open Access
11 Citations
4,171 Views
18 Pages

Modeling Microsegregation during Metal Additive Manufacturing: Impact of Dendrite Tip Kinetics and Finite Solute Diffusion

  • V. S. Hariharan,
  • Baler Nithin,
  • L. Ruban Raj,
  • Surendra Kumar Makineni,
  • B. S. Murty and
  • Gandham Phanikumar

19 May 2023

Rapid solidification during metal additive manufacturing (AM) leads to non-equilibrium microsegregation, which can result in the formation of detrimental phases and cracking. Most of the microsegregation models assume a Scheil-type solidification, wh...

  • Article
  • Open Access
1 Citations
1,734 Views
13 Pages

19 May 2023

Conventional billet rolling is being widely used in magnesium (Mg) alloys products, but this method gives rise to biological and environmental problems. The advantages of the short process on sheet fabrication have been widely proved in Mg alloy twin...

  • Article
  • Open Access
3 Citations
2,669 Views
11 Pages

Laser Textured Superhydrophobic SiC Ceramic Surface and the Performance of Condensation Heat Transfer

  • Deyuan Lou,
  • Gengxin Lu,
  • Heng Li,
  • Pengjian Chen,
  • Qing Tao,
  • Qibiao Yang and
  • Dun Liu

19 May 2023

Chemical modification is usually utilized for preparing superhydrophobic SiC surfaces, which has the problems of long processing time, high environmental contamination risk, and high cost. To enhance the condensation heat transfer efficiency of SiC,...

  • Article
  • Open Access
6 Citations
4,973 Views
13 Pages

The Crystal Structure of Mg–Al–CO3 Layered Double Hydroxide

  • Elena S. Zhitova,
  • Rezeda M. Sheveleva,
  • Andrey A. Zolotarev and
  • Sergey V. Krivovichev

19 May 2023

The crystal structure of quintinite, Mg4Al2(OH)12(CO3)·3H2O, from the Jacupiranga alkaline complex (Cajati, São Paulo, Brazil), was refined for two samples (91002 and C7029) using single-crystal X-ray diffraction data. The mineral cryst...

  • Review
  • Open Access
1 Citations
2,824 Views
14 Pages

Magnetic Force Microscopy of Multiferroic Bulk Ceramic Oxides

  • Hana Uršič,
  • Matej Šadl,
  • Uroš Prah and
  • Val Fišinger

19 May 2023

Bulk multiferroic ceramics have been extensively studied due to their great potential for magneto-electric coupling applications such as low-power and multifunctional nano-electronic devices. In most of these studies the macroscopic magnetic performa...

  • Article
  • Open Access
7 Citations
2,049 Views
15 Pages

Structure Guiding Supramolecular Assemblies in Metal-Organic Multi-Component Compounds of Mn(II): Experimental and Theoretical Studies

  • Manjit K. Bhattacharyya,
  • Kamal K. Dutta,
  • Pranay Sharma,
  • Rosa M. Gomila,
  • Miquel Barceló-Oliver and
  • Antonio Frontera

18 May 2023

Two multi-component coordination compounds of Mn(II), viz. [Mn(H2O)6](2-Mepy)2(4-NO2bz)2·2H2O (1) and [Mn(H2O)6][Mn(2,3-PDCH)3]2 (2) (where, 2-Mepy = 2-methylpyridine, 4-NO2bz = 4-nitrobenzoate, 2,3-PDC = 2,3-pyridinedicarboxylate), have been...

  • Article
  • Open Access
6 Citations
3,631 Views
15 Pages

Febuxostat–p-Toluenesulfonic Acid Multi-Component Crystal: Characterization, Crystal Growth and Elucidation of the Salt/Co-Crystal Nature

  • Doriana T. Ungur,
  • Gustavo Santiso-Quinones,
  • Mihaela M. Pop,
  • Tudor L. Tamas,
  • Carmen Guguta,
  • Danny Stam,
  • Alice Mija and
  • Coca A. Iordache

18 May 2023

The multi-component solid form of febuxostat (FEB) with p-toluenesulfonic acid was synthesized by solvent-drop grinding and cooling-evaporative crystallization and characterized by powder X-ray diffraction (XRPD), thermogravimetry (TGA), differential...

  • Article
  • Open Access
16 Citations
2,694 Views
14 Pages

Preparation of Laterally Chloro-Substituted Schiff Base Ester Liquid Crystals: Mesomorphic and Optical Properties

  • Violeta Jevtovic,
  • Hoda A. Ahmed,
  • Mohd Taukeer Khan,
  • Salma A. Al-Zahrani,
  • Najat Masood and
  • Yassin Aweis Jeilani

18 May 2023

A new class of Schiff base/ester compounds: ICln, 4-((2′-chlorophenylimino)methyl)phenyl-4″-alkoxy benzoates, were synthesized and their mesophase characteristics and thermal behavior were evaluated. Differential scanning calorimetry (DSC...

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Crystals - ISSN 2073-4352