Rare Earth Compounds

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (30 October 2019) | Viewed by 3772

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Department of Solid State Physics, A. Chełkowski Institute of Physics and Silesian Centre for Education and Interdisciplinary Research, University of Silesia, 75 Pułku Piechoty 1, 41-500 Chorzów, Poland
Interests: rare earth intermetallic compounds, bulk and nanomaterials; magnetic and electronic transport properties; electronic structure; XPS measurements
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Special Issue Information

Dear Colleagues,

Rare earth compounds represent a very wide class of materials with interesting physical properties. In particular, the magnetic and transport properties are interesting and often discussed in the context of the electronic structure. Interesting phenomena that are observed in these materials also appear as a result of changes in their chemical composition, the use of high magnetic fields or high pressure. In recent years, these studies have been extended to rare-earth compounds that have been shredded into nanometric sized powders. Many new achievements have become possible thanks to the use of modern research techniques, including spectroscopic methods.

This Special Issue is expected to collect articles containing recent progress and new achievements regarding all aspects of rare earth compounds. The original results regarding the fabrication, characterization, experimental investigations, theoretical calculations and practical applications are welcome.

Prof. Dr. Grażyna Chełkowska
Guest Editor

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Keywords

  • rare earth intermetallic compounds
  • magnetic and electric properties
  • magnetocaloric effect
  • specific heat
  • electronic structure
  • XPS measurements
  • band structure calculations
  • ball milling

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Published Papers (1 paper)

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Research

9 pages, 7500 KiB  
Article
Effect of Iron Impurities on Magnetic Properties of Nanosized CeO2 and Ce-Based Compounds
by Yvonna Jiraskova, Jiri Bursik, Pavel Janos, Jiri Lunacek, Artur Chrobak and Ondrej Zivotsky
Metals 2019, 9(2), 222; https://doi.org/10.3390/met9020222 - 13 Feb 2019
Cited by 13 | Viewed by 3368
Abstract
CeO2 samples prepared by three technological procedures from the same cerium source, namely cerium (III) nitrate hexahydrate, are studied from the viewpoint of structure, chemical and phase composition, and micro- and macro-magnetic properties. The scanning and transmission electron microscopies completed by energy-dispersive [...] Read more.
CeO2 samples prepared by three technological procedures from the same cerium source, namely cerium (III) nitrate hexahydrate, are studied from the viewpoint of structure, chemical and phase composition, and micro- and macro-magnetic properties. The scanning and transmission electron microscopies completed by energy-dispersive X-ray (EDX) analysis yield nano-structural natures and homogenous chemical compositions of the ceria samples, confirmed also by X-ray diffraction. The diamagnetic, paramagnetic, and ferromagnetic phases in all samples follow from an analysis of the room- and low-temperature measurements of hysteresis loops. Iron impurities in ppm amounts are clearly detected by 57Fe Mössbauer spectrometry not only in the ceria samples but also in the selected input chemicals used for their preparation. This contributes to the explanation of the magnetic behaviour of nanosized ceria. Full article
(This article belongs to the Special Issue Rare Earth Compounds)
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