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Crystals, Volume 8, Issue 11

2018 November - 43 articles

Cover Story: Spin-state crossover has long been subject to hot debate in doped and undoped perovskite oxide LaCoO3. The authors in this article have discovered that the crossover is enhanced by nonmagnetic Al3+ impurity doped into the Co-O network in the ferromagnetic La0.8Sr0.2CoO3. The introduced Al3+ ion changes the neighboring Co3+ ions from the intermediate-spin state to the nonmagnetic low-spin state at low temperatures, dramatically affecting the transport and magnetic properties in spite of its nonmagnetic nature. View this paper.
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Articles (43)

  • Article
  • Open Access
9 Citations
5,121 Views
9 Pages

Interfacial Mixing Analysis for Strained Layer Superlattices by Atom Probe Tomography

  • Ayushi Rajeev,
  • Weixin Chen,
  • Jeremy D. Kirch,
  • Susan E. Babcock,
  • Thomas F. Kuech,
  • Thomas Earles and
  • Luke J. Mawst

21 November 2018

Quantum wells and barriers with precise thicknesses and abrupt composition changes at their interfaces are critical for obtaining the desired emission wavelength from quantum cascade laser devices. High-resolution X-ray diffraction and transmission e...

  • Review
  • Open Access
106 Citations
13,730 Views
13 Pages

Can Microbially Induced Calcite Precipitation (MICP) through a Ureolytic Pathway Be Successfully Applied for Removing Heavy Metals from Wastewaters?

  • Álvaro Esteban Torres-Aravena,
  • Carla Duarte-Nass,
  • Laura Azócar,
  • Rodrigo Mella-Herrera,
  • Mariella Rivas and
  • David Jeison

21 November 2018

Microbially induced calcite precipitation (MICP) through a ureolytic pathway is a process that promotes calcite precipitation as a result of the urease enzymatic activity of several microorganisms. It has been studied for different technological appl...

  • Article
  • Open Access
16 Citations
4,963 Views
13 Pages

21 November 2018

In this paper, we report on the synthesis, crystal structure, and photomagnetic properties of the spin-crossover salt of formula [Fe(bpp)2](C6H4NO2)2·4H2O (1·4H2O) (bpp = 2,6-bis(pyrazol-3-yl)pyridine; C6H4NO2− = nicotinate anion)...

  • Article
  • Open Access
6 Citations
8,904 Views
11 Pages

20 November 2018

Human carbonic anhydrase IX (CA IX) is a multi-domain membrane protein that is therefore difficult to express or crystalize. To prepare crystals that are suitable for neutron studies, we are using only the catalytic domain of CA IX with six surface m...

  • Article
  • Open Access
21 Citations
5,631 Views
10 Pages

Aging Behavior and Precipitation Analysis of Cu-Ni-Co-Si Alloy

  • Xiangpeng Xiao,
  • Jian Huang,
  • Jinshui Chen,
  • Hai Xu,
  • Zhao Li and
  • Jianbo Zhang

20 November 2018

Cu-Ni-Si alloy with a different Co content was prepared by inductive melting and hot rolling. The alloy was solution treated at 950 °C for 1.5 h and aged at 450 °C, 500 °C, and 550 °C for different times. The phase diagram calculation and transmissio...

  • Communication
  • Open Access
14 Citations
5,044 Views
10 Pages

Self-Assembly of a Carboxyl-Functionalized BODIPY Dye via Hydrogen Bonding

  • Beatriz Matarranz,
  • Angel Sampedro,
  • Constantin G. Daniliuc and
  • Gustavo Fernández

20 November 2018

We report the synthesis, characterization, and self-assembly behavior of a 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) dye functionalized at the meso-position with a butyric acid group. Various spectroscopic investigations (UV-Vis, emission,...

  • Article
  • Open Access
37 Citations
7,913 Views
9 Pages

Fabrication of Novel ZIF-8@BiVO4 Composite with Enhanced Photocatalytic Performance

  • Yun-hui Si,
  • Ya-yun Li,
  • Yu Xia,
  • Shao-ke Shang,
  • Xin-bo Xiong,
  • Xie-rong Zeng and
  • Ji Zhou

19 November 2018

In this work, a novel metal-organic framework (MOF) and BiVO4 (BVO) composite photocatalyst was successfully synthesized by an in-situ growth method. The characterization of obtained samples was done by X-ray diffraction, scanning electron microscopy...

  • Article
  • Open Access
12 Citations
6,698 Views
9 Pages

Soft X-ray Absorption Spectroscopy Study of Spin Crossover Fe-Compounds: Persistent High Spin Configurations under Soft X-ray Irradiation

  • Ahmed Yousef Mohamed,
  • Minji Lee,
  • Kosuke Kitase,
  • Takafumi Kitazawa,
  • Jae-Young Kim and
  • Deok-Yong Cho

19 November 2018

Metal-organic complex exhibiting spin crossover (SCO) behavior has drawn attention for its functionality as a nanoscale spin switch. The spin states in the metal ions can be tuned by external stimuli such as temperature or light. This article demonst...

  • Communication
  • Open Access
2 Citations
3,756 Views
18 Pages

Filling Tricompartmental Ligands with GdIII and ZnII Ions: Some Structural and MRI Studies

  • Julio Corredoira-Vázquez,
  • Matilde Fondo,
  • Jesús Sanmartín-Matalobos,
  • Pablo Taboada and
  • Ana M. García-Deibe

16 November 2018

Here we report the synthesis and characterization of a mononuclear gadolinium complex (Gd) and two heteronuclear Zn-Gd complexes (ZnGd and Zn2Gd), which contain two similar three-armed ligands that display an external compartment suitable for lanthan...

  • Article
  • Open Access
24 Citations
5,028 Views
15 Pages

15 November 2018

Structural, electronic, magnetic and mechanic properties of the inverse Heusler alloy Ti2NiIn under different pressure are systematically studied with density functional theory (DFT). The equilibrium lattice constant and electronic band structure at...

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Crystals - ISSN 2073-4352