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The Impact of d- and p-Electron Elements on Magnetic Properties of RT_{x}X₂Compounds

100%
Gil A.
|
EN
Studies of rare earth compounds with transition metals are one of the dominant trends in modern magnetism and cover a wide range of research both basic and applicative nature. The main aim of the study of lanthanide compounds is to find answers to questions concerning mechanisms of interaction between the magnetic moments. A systematic study of the magnetic properties of rare-earth compounds gives hope for full understanding of magnetism in these families of compounds. For many years the RT_{x}X₂ compounds with the crystal structure of CeNiSi₂ - type are in the circle of my interests. Based on my own research and the results published in the literature by other authors, the impact of d- and p-electron elements on magnetic properties of the RT_{x}X₂ compounds, where x ≤1 and R = Tb, Dy, Ho, Er; T = Ni, Co, Cu, Fe, Mn, Cr; X = Si, Ge, Sn will be analysed.
2
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Magnetic and Electronic Properties of Selected Rare-Earth Chromium Germanides Compounds

63%
Gil A., Makowska-Janusik M.
Acta Physica Polonica A
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2015
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vol. 127
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issue 2
385-387
EN
The ternary rare-earth compounds exhibit interesting physical and structural properties. These structures changing composition and stoichiometry change drastically their magnetic properties. Some of them, based on chromium germanides were studied experimentally concerning their magnetic properties and up to our knowledge they were never studied theoretically explaining nature of their magnetic behaviour. In the presented work the nature and mechanism of the magnetic and electronic properties of rare-earth chromium germanides is presented. The magnetic and electronic properties of RCrGe₂ and RCr_{0.3}Ge₂ (R = Tb, Dy, Ho or Er) were investigated theoretically applying plane-wave density functional theory/Perdew-Burke-Ernzerhof methodology. The computational investigations were performed for the stoichiometric and nonstoichiometric crystal structure with the space group Cmcm. The stoichiometry of the rare-earth chromium germanides compounds has significant effect on the magnetic properties of the investigated material. The theoretical predictions are compared to the experimentally obtained results.
3
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Magnetic Properties of TbFe_{0.25}Ge_2, TbSn_{0.4}Ge_{1.4} and NdSn_{0.6}Ge_{1.775} Compounds

51%
Gil A., Duraj R., Szytuła A.
Acta Physica Polonica A
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2012
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vol. 122
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issue 2
394-395
EN
The magnetic data of TbFe_{0.25}Ge_2, TbSn_{0.4}Ge_{1.4} and NdSn_{0.6}Ge_{1.775} compounds are reported. These compounds crystallize in the orthorhombic crystal structures described by the space group Cmcm (No. 63) and they are antiferromagnets with the Néel temperatures equal to 19.5, 22 and 3.7 K, respectively.
4
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Susceptibility of the Rare Earth Ternary RNiSi_{2} and RNiGe_{2} Compounds

45%
Gil A., Szytuła A., Tomkowicz Z., Wojciechowski K., Zygmunt A.
Acta Physica Polonica A
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1994
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vol. 85
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issue 2
271-274
EN
The ternary silicides and germanides RNiX_{2} (R - rare earth, X = Si or Ge) with the orthorhombic CeNiSi_{2}-type structure are investigated by magnetometric measurements. CeNiSi_{2}, CeNiGe_{2} and SmNiGe_{2} have a nonmagnetic state in low temperatures. The compounds with R = Pr and Nd are ferromagnets while those containing R = Gd-Er are antiferromagnets. The de Gennes scaling of the Néel temperatures indicates a strong influence of the crystalline-electric field effects.
5
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Integration of Computer Tomography and Simulation Analysis in Evaluation of Quality of Ceramic-Carbon Bonded Foam Filter

45%
Karwiński A., Małysza M., Tchórz A., Gil A., Lipowska B.
Archives of Foundry Engineering
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2013
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issue 4
6
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The Use of Innovative Ceramic-Carbon Bonded Filters Used for Filtration of Liquid Alloys and Evaluation of the Filtration Efficiency

45%
Wieliczko P., Karwiński A., Małysza M., Gil A., Lipowska B.
Archives of Foundry Engineering
|
2014
|
issue 3
7
Publication available in full text mode
Content available

Making Artificial Heart Components – Selected Aspects Of Casting Technology

33%
Pysz S., Sobczak N., Wieliczko P., Kowalski P., Sobczak J. J., Karwiński A., Leśniewski W., Gil A.
Archives of Metallurgy and Materials
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2015
|
issue 3
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