Journal ArticleDOI
Magnetic properties of the compound UPTe
A. Zygmunt,A. Czopnik +1 more
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In this paper, a new compound of the composition UPTe, belonging to the UXY group compounds (X = pnigogen, Y = chalcogen) has been obtained.Abstract:
A new compound of the composition UPTe, belonging to the UXY group compounds (X = pnigogen, Y = chalcogen) has been obtained. It is assigned to the crystalline structure of the type UGeTe (space group 14/mmm-D). Magnetic investigations performed on single-crystal and powder specimens in the temperature range 4.2 to 1000 K show that it constitutes an uniaxial ferromagnet with a Curie temperature of 85 K. In the measured paramagnetic range the dependence χ = f(T) deviates from the Curie-Weiss law, which is explained by a strong crystal field.
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The crystal and magnetic structure of UPTe and UAsTe studied by neutron diffraction
TL;DR: In this paper, the magnetic moment of the uranium ion at liquid helium temperature was determined to be 1.44 and 1.59 mu /sub BETA / in UPTe and UAsTe, respectively.
Journal ArticleDOI
MAGNETIC PROPERTIES OF UAsY COMPOUNDS (Y = S, Se, Te).
A. Zygmunt,M. Duczmal +1 more
TL;DR: In this article, the magnetic properties of UGeY compounds were investigated within the range 4.2 to 300 K. UGeS, UGeSe, and UGeTe are antiferromagnetics with Neel temperatures 88, 40, and 73 K, respectively.
Journal ArticleDOI
Structural and magnetic properties of the tetragonal actinide compounds
TL;DR: In this article, the structural and magnetic properties of a large family of tetragonal actinide compounds have been investigated and it has been shown that all these compounds crystallize in structure types which have very close connections.
Journal ArticleDOI
Magnetic ordering in UGeY (Y S, Se, Te) by neutron diffraction
TL;DR: In this paper, the magnetic structures and magnitudes of the ordered magnetic moments for UGeS, UGeTe, and UGeSe are determined by neutron diffraction using powder samples.
Journal ArticleDOI
Propriétés magnétiques de NpSbTe et NpAsTe
TL;DR: The magnetic properties of NpSbTe and NpAsTe have been studied in this article and the results indicate a 3+valence state for Np ions in the paramagnetic range, which is consistent with recent crystal field calculations, Mossbauer effect and electrical resistivity measurements.
References
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Journal ArticleDOI
New ternary thorium and uranium compounds myx.
TL;DR: In this paper, two new metallic compounds, ThYX and UYX, were synthesized and found to crystallize in the PbFCl structure, and the occurrence of metallic and non-metallic properties in these compounds were discussed.
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Structure et propriétés magnétiques de l'oxysulfure d'uranium uos
TL;DR: In this article, anisotopie uniaxiale is proposed for the U-O-U quadratique in antiferromagnetique with a temperature of N = 55°K and Θ p = −51°K.
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Neutron-diffraction study of UAsSe and USbSe
J. Leciejewicz,A. Zygmunt +1 more
TL;DR: Neutron-diffraction study of UAsSe and USbSe, both of PbFCl-type crystal structure (space group P4/mnm) has been made at 4.2°K and room temperature.
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MAGNETIC PROPERTIES OF UAsY-TYPE COMPOUNDS (Y = S, Se, Te) IN ORDERED STATE.
C. Bazan,A. Zygmunt +1 more
TL;DR: The dependence of the magnetization for the ternary compounds UAsS, UAsSe, and UAsTe on temperature and magnetic field has been investigated in the temperature range between 3 K and the respective Curie point in fields up to 80 kOe.
Journal ArticleDOI
MAGNETIC PROPERTIES OF UAsY COMPOUNDS (Y = S, Se, Te).
A. Zygmunt,M. Duczmal +1 more
TL;DR: In this article, the magnetic properties of UGeY compounds were investigated within the range 4.2 to 300 K. UGeS, UGeSe, and UGeTe are antiferromagnetics with Neel temperatures 88, 40, and 73 K, respectively.