Publications by authors named "A G Kuznetsov"

Two platinide plumbides, EuPtPb and SrPtPb, were discovered using high-temperature exploratory synthesis and flux-assisted crystal growth. Their crystal structures were determined from single-crystal X-ray diffraction. Both compounds crystallize in the orthorhombic system; EuPtPb belongs to the YRhSn structure type (2, = 4.

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and its bacteriophages are among the most studied model microorganisms. Bacteriophages for various strains can typically be easily isolated from environmental sources, and many of these viruses can be harnessed to combat infections in humans and animals. However, some relatively rare strains pose significant challenges in finding suitable phages.

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Interactions between metal cations, notably Cu(II), and humic substances (HS) affect their mobility, bioavailability, and toxicity. This necessitates a molecular-level determination of the nature of HS functional groups binding Cu(II) (Cu-HS) and effects of pH on them. This study investigates the pH effects on the spectroscopic and structural properties of the complexes of Cu(II) with HS and representative model compounds using differential absorbance spectroscopy (DAS), examination of the properties of the d-d transition band characteristic for Cu(II) ions, and quantum chemical (QC) calculations.

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Polymorphs commonly exist for various materials, enabling phase engineering for diverse material properties. While the crystal structures of different polymorphs can, in principle, be experimentally characterized, interpreting and understanding complex crystal structures can be very challenging. Using Ga_{2}O_{3} as a prototype, here we show that the crystal structure of γ-Ga_{2}O_{3} has long been misinterpreted from either theory or experiment.

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Article Synopsis
  • J-aggregates are assemblies of dyes that exhibit strong light absorption and fluorescence due to delocalized excitons, but their effectiveness is limited by local disorder and thermal decoherence.
  • To enhance exciton coherence and delocalization, researchers coupled ordered molecular dipoles to an electromagnetic mode within an optical resonator.
  • By using dielectric metasurfaces, the study achieved a 5-fold increase in luminescence intensity and reduced emission directivity, showcasing the potential of these surfaces in promoting cooperative behaviors in excitonic systems.
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