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Investigation of structural, microstructural and magnetic properties of YbxY1-xF3 solid solutions

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2020
Authors
Aleksić, Jelena
Barudžija, Tanja
Jugović, Dragana
Mitrić, Miodrag
Bošković, Marko
Jagličić, Zvonko
Lisjak, Darja
Kostić, Ljiljana
Article (Accepted Version)
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Abstract
In this investigation, we have synthesized YbxY1-xF3 solid solutions by fluorination of yttrium and ytterbium sesquioxides with ammonium hydrogen difluoride. According to the XRD analysis, all synthesized YbxY1-xF3 samples have an orthorhombic crystal structure belonging to the β-YF3 structural type. The refinement of crystal structure was done by the Rietveld method within the Pnma space group using the TCH pseudo-Voigt function. The anisotropic peak broadening was analyzed, and the average apparent crystallite size is about 50 nm with a small anisotropy of shape, while the significant microstrain that is highly anisotropic is present in all samples. The temperature-dependent magnetic susceptibility was analyzed by applying the model of a free ion perturbed by the crystal field. We have obtained the effective magnetic quantum numbers Mieff of four Kramer's doublets of Yb3+ ion along with the entire crystal field splitting of the 2F7/2 manifold of Yb3+ in YF3. The acquired maximum ener...gy splitting of the ground level is about 150 K in our most diluted samples. The field-dependent isothermal magnetization measurements were carried out at various temperatures and analyzed by classical Langevin function. Results obtained from magnetic measurements show that all YbxY1-xF3 (x ≠ 0) solid solutions exhibit pure paramagnetic behavior in the whole temperature range from 2 to 300 K, with a predominant antiferromagnetic exchange interactions.

Keywords:
Crystal and ligand fields / Magnetic measurements / Rare-earth fluorides / X-ray diffraction
Source:
Journal of Physics and Chemistry of Solids, 2020, 142, 109449-
Publisher:
  • Elsevier
Projects:
  • Magnetic and radionuclide labeled nanostructured materials for medical applications (RS-45015)
  • Molecular designing of nanoparticles with controlled morphological and physicochemical characteristics and functional materials based on them (RS-45004)
  • The electrical breakdown of gases, surface processes and applications (RS-171025)
  • Development, optimization and application of energy-harvesting sensors technology (RS-32026)
  • Bilateral collaboration between Serbia and Slovenia (06-00-118/2018-09/32/02)
  • Bilateral collaboration between Serbia and Slovenia (BI-RS/18-19-031)
Note:
  • This is the peer-reviewed version of the article: Aleksić, J., Barudžija, T., Jugović, D., Mitrić, M., Bošković, M., Jagličić, Z., Lisjak, D., Kostić, L., 2020. Investigation of structural, microstructural and magnetic properties of YbxY1-xF3 solid solutions. Journal of Physics and Chemistry of Solids 142, 109449. https://doi.org/10.1016/j.jpcs.2020.109449

DOI: 10.1016/j.jpcs.2020.109449

ISSN: 0022-3697

WoS: 000528271700008

Scopus: 2-s2.0-85081116825
[ Google Scholar ]
URI
http://www.sciencedirect.com/science/article/pii/S0022369719325983
http://dais.sanu.ac.rs/123456789/8949
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA

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