Synthesis and Crystal Structure of Rare-Earth Metal Compounds

A special issue of Crystals (ISSN 2073-4352).

Deadline for manuscript submissions: 31 May 2025 | Viewed by 680

Special Issue Editor


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Guest Editor
Institute for Inorganic Chemistry, University of Stuttgart, 70569 Stuttgart, Germany
Interests: rare-earth metal compounds with mixed anions; luminescent materials; compounds with lone-pair oxoanions; hydroborates; thermoanalysis and phase and structure elucidation via X-ray diffraction
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Dear Colleagues,

In 1887, Sir William Crookes stated that "these elements perplex us in our researches, baffle us in our speculations, and haunt us in our very dreams. They stretch like an unknown sea before us – mocking, mystifying, and murmuring strange revelations and possibilities". These words—almost 140 years old yet still true—come from a pioneer in rare-earth metals, who contributed greatly to the commercial use of science. "The Fraternal Fifteen", as "mister rare earth" Karl A. Gschneidner Jr. called the most similar ones among them (Ln = La + Ce – Lu) in his 1966 book, were brought before a broader public in the 20th century, with their benefits demonstrated to humankind. Even now, with it being common knowledge that rare earths are “Neither Rare, Nor Earths” (BBC World Service, 2014), we encourage authors in the field to contribute to this Special Issue of Crystals with syntheses and crystal structures of rare-earth metal compounds (RE = Sc, Y, La – Lu) for readers in both academia and industry. Moreover, as children of the 21st century, we would happily include actinides (An = Ac + Th – Lr) in the realm of rare-earth elements.

You may also choose our Joint Special Issue in Molecules.

Prof. Dr. Thomas Schleid
Guest Editor

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Keywords

  • synthesis
  • crystal structure
  • luminescence
  • magnetism
  • catalysts
  • optical properties

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Published Papers (1 paper)

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Research

13 pages, 2565 KiB  
Article
The Structure and Optical Properties of Luminescent Terbium Terephthalate Metal–Organic Frameworks Doped with Yttrium, Gadolinium, and Lanthanum Ions
by Anna S. Petrova, Oleg S. Butorlin, Yulia N. Toikka, Ilya E. Kolesnikov, Sergey N. Orlov, Mikhail N. Ryazantsev, Nikita A. Bogachev, Mikhail Yu. Skripkin and Andrey S. Mereshchenko
Crystals 2024, 14(11), 966; https://doi.org/10.3390/cryst14110966 - 8 Nov 2024
Viewed by 473
Abstract
The structural features and luminescent properties of heterometallic Tb–Gd, Tb–La, and Tb–Y terephthalate metal–organic frameworks, namely (TbxM1−x)2(1,4-bdc)3∙4H2O (M = Gd, La, Y), were studied in detail in a wide concentration range (x = [...] Read more.
The structural features and luminescent properties of heterometallic Tb–Gd, Tb–La, and Tb–Y terephthalate metal–organic frameworks, namely (TbxM1−x)2(1,4-bdc)3∙4H2O (M = Gd, La, Y), were studied in detail in a wide concentration range (x = 0.001–1). The crystalline phase of synthesized compounds corresponds to Ln2(1,4-bdc)3·4H2O. The lifetime of 5D4 decreased with increased Tb3+ concentration, but PLQY depends non-linearly on the Tb3+ concentration. The 50% substitution of Tb3+ for Y3+, Gd3+, or La3+ ions result in the significant enhancement of photoluminescence quantum yield, up to 1.6 times. The morphology, thermal stability, and vibrational structure of the selected homo- and bi-metallic materials is reported as well. Full article
(This article belongs to the Special Issue Synthesis and Crystal Structure of Rare-Earth Metal Compounds)
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