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Crystals, Volume 15, Issue 6

June 2025 - 95 articles

Cover Story: Crystals of sodium dithiocuprate(I) dodecahydrate, [Na3(H2O)12][CuS2], formed from NaOH/Na2S solutions used for arsenic separation from copper ore. This salt features a linear hydrogen-bonded dithiocuprate(I) anion, a novelty in crystallographically characterized thiocuprates. While we aimed to understand the chemical behavior of the leaching solution by identifying the thioarsenate ions formed, the complex [CuS2]3− was discovered by coincidence using single-crystal analysis. Subsequent targeted synthesis from a modeling solution, based on the leaching solution formulation for arsenic removal, allowed for further crystal characterization through Raman and XRD analyses. By demonstrating that copper can also be leached at high sulfide concentrations, the results presented in this study contribute to the economic development of arsenic removal via sulfide leaching. View this paper
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Articles (95)

  • Review
  • Open Access
3 Citations
1,645 Views
22 Pages

19 June 2025

The surface electric charge of biomaterials plays a pivotal role in determining their bioactivity and biocompatibility, especially in orthopedic and dental applications. This review analyzes recent progress (2015–2024) in understanding how elec...

  • Article
  • Open Access
1,093 Views
12 Pages

Doping Effects on Magnetic and Electronic Transport Properties in BaZn2As2

  • Guoqiang Zhao,
  • Gangxu Gu,
  • Shuai Yang,
  • Yi Peng,
  • Xiang Li,
  • Kenji M. Kojima,
  • Chaojing Lin,
  • Xiancheng Wang,
  • Timothy Ziman and
  • Yasutomo J. Uemura
  • + 5 authors

19 June 2025

Novel diluted magnetic semiconductors derived from BaZn2As2 are of considerable importance owing to their elevated Curie temperature of 260 K, the diversity of magnetic states they exhibit, and their prospective applications in multilayer heterojunct...

  • Article
  • Open Access
1 Citations
1,195 Views
12 Pages

Structural, Thermophysical, and Radiation Shielding Properties of Lead–Bismuth Eutectic (LBE) Synthesized by Induction Melting

  • Radu Cristian Gavrea,
  • Emanoil Surducan,
  • Răzvan Hirian,
  • Mioara Zagrai and
  • Vasile Rednic

19 June 2025

Lead–bismuth eutectic alloy (LBE, Pb44.5Bi55.5) has emerged as a promising candidate for use in advanced nuclear and solar energy systems due to its favorable thermophysical characteristics and radiation shielding capabilities. The aim of this...

  • Article
  • Open Access
736 Views
16 Pages

19 June 2025

The precise control of thermal–kinetic parameters governs epitaxial perfection in functional oxide heterostructures. Herein, using Iridium/MgO(100) as a model system, the traditional “low-speed/high-temperature” paradigm is revoluti...

  • Article
  • Open Access
1 Citations
1,054 Views
17 Pages

Influence of NaCl on Phase Development and Corrosion Resistance of Portland Cement

  • Byung-Hyun Shin,
  • Miyoung You,
  • Jinyong Park,
  • Junghyun Cho,
  • Seongjun Kim,
  • Jung-Woo Ok,
  • Jonggi Hong,
  • Taekyu Lee,
  • Jong-Seong Bae and
  • Pungkeun Song
  • + 1 author

19 June 2025

Portland cement is one of the most widely used construction materials employed in both large-scale structures and everyday applications. Although various materials are often added during production to enhance their performance, NaCl can be introduced...

  • Article
  • Open Access
735 Views
9 Pages

18 June 2025

Hydrogen gas sensing is critical for energy storage, industrial safety, and environmental monitoring. However, traditional sensors still face challenges in selectivity, sensitivity, and stability. This work introduces an innovative N-polar GaN/AlGaN...

  • Article
  • Open Access
1 Citations
529 Views
16 Pages

In Situ Capture of High-Temperature Precipitate Phases in Ti-48Al-2Cr-2Nb Alloy Using Convolutional Neural Networks

  • Xiaolei Li,
  • Chuanqing Huang,
  • Sen Zhao,
  • Linlin Cui,
  • Shirui Guo,
  • Bo Zheng,
  • Yinghao Cui,
  • Yongqian Chen,
  • Yue Zhao and
  • Lujun Cui
  • + 1 author

18 June 2025

TiAl intermetallic alloy is a crucial high-performance material, and its microstructure evolution at high temperatures is closely related to the process parameters. Observing the lamellar structure is key to exploring growth kinetics, and the feature...

  • Article
  • Open Access
1 Citations
633 Views
22 Pages

18 June 2025

The mechanical reliability of metallic alloys under cyclic loading is crucial for optimizing their microstructure–property relationships. Understanding the statistical behavior of fatigue failure data is essential for designing alloys that endu...

  • Article
  • Open Access
1 Citations
785 Views
13 Pages

Nematic Phases in Photo-Responsive Hydrogen-Bonded Liquid Crystalline Dimers

  • Christian Anders,
  • Muhammad Abu Bakar,
  • Tejal Nirgude and
  • Mohamed Alaasar

18 June 2025

We report on the preparation and characterization of a new family of hydrogen-bonded nematogenic liquid crystalline dimers. The dimers are supramolecular complexes that consist of a benzoic acid derivative, acting as the proton donor, featuring a spa...

  • Article
  • Open Access
1,387 Views
27 Pages

Raman Characterization of Dioxygen Species as Defects in Single-Crystal ZnO Including Their Pressure Dependence

  • Dieter Fischer,
  • Dominik Bloos,
  • Aleksandra Krajewska,
  • Graham M. McNally,
  • Dejan Zagorac and
  • Johann Christian Schön

18 June 2025

The defects in zinc oxide crystals are of crucial importance for their usability in many applications and are not yet fully understood. Here, we demonstrate that dioxygen species are present as defects in the grown ZnO, resulting in a bending of the...

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Crystals - ISSN 2073-4352