Crystal structure and magnetic properties of R3Fe0.5GeS7 (R = Y, La, Ce, Pr, Sm, Gd, Tb, Dy, Ho, Er and Tm)

DASZKIEWICZ, M ; PASHYNSKA, Yu. O ; et al.

In: Journal of alloys and compounds, Jg. 616 (2014), S. 243-249

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The crystal structure of quaternary compounds R3Fe0.5GeS7 (R=Y, La, Ce, Pr, Sm, Gd, Tb, Dy, Ho, Er and Tm) was determined by means of single-crystal and powder X-ray diffraction methods. It is of the hexagonal La3Mn0.5SiS7 type (space group P63, Pearson symbol hP23) The R atoms occupy trigonal prisms capped with two additional atoms, the Fe atoms are located inside octahedra, and the Ge atoms have tetrahedral environment. Magnetic properties of the compounds R3Fe0.5GeS7 (R = Ce, Pr, Sm, Gd, Tb, Dy, Er and Tm) were studied down to 1.72 K. Their magnetic behaviour results from combined contributions due to R3+ and Fe2+ sublattices. In each material magnetic exchange interactions are dominated by antiferromagnetic correlations. In most of them, the exchange interactions give rise to long-range magnetic orderings at low temperatures.

Titel:	Crystal structure and magnetic properties of R3Fe0.5GeS7 (R = Y, La, Ce, Pr, Sm, Gd, Tb, Dy, Ho, Er and Tm)
Autor/in / Beteiligte Person:	DASZKIEWICZ, M ; PASHYNSKA, Yu. O ; MARCHUK, O. V ; GULAY, L. D ; KACZOROWSKI, D
Link:	View record from ScienceDirect (Volltext) View record from PASCAL Archive
Zeitschrift:	Journal of alloys and compounds, Jg. 616 (2014), S. 243-249
Veröffentlichung:	Kidlington: Elsevier, 2014
Medientyp:	academicJournal
Umfang:	print, 10 ref
ISSN:	0925-8388 (print)
Schlagwort:	Inorganic chemistry Chimie minérale Crystallography Cristallographie cristallogenèse Metallurgy, welding Métallurgie, soudage Condensed state physics Physique de l'état condensé Sciences exactes et technologie Exact sciences and technology Physique Physics Etat condense: structure, proprietes mecaniques et thermiques Condensed matter: structure, mechanical and thermal properties Structure des liquides et des solides; cristallographie Structure of solids and liquids; crystallography Structure de solides cristallins particuliers Structure of specific crystalline solids Composés minéraux Inorganic compounds Etat condense: structure electronique, proprietes electriques, magnetiques et optiques Condensed matter: electronic structure, electrical, magnetic, and optical properties Propriétés et matériaux magnétiques Magnetic properties and materials Arrangements de spin dans les matériaux magnétiquement ordonnés (incluant les études par neutrons et électrons à spin polarisé, la diffusion de rayons x synchrotroniques, etc.) Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.) Autres propriétés intrinsèques des matériaux magnétiquement ordonnés Magnetically ordered materials: other intrinsic properties Interactions d'échange et de superéchange Exchange and superexchange interactions Chalcogénure Chalcogenides Diffraction RX XRD Fer Germanium Lanthanide Sulfure Mixte Iron Germanium Rare earths Sulfides Mixed Mixto Interaction échange Exchange interactions Ordre longue distance Long-range order Ordre magnétique Magnetic ordering Sous réseau Sublattices Structure cristalline Crystal structure 6166F Sm Crystal structures Magnetic properties Rare-earth chalcogenides
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wrocław, Poland ; Department of Material Science, Lutsk National Technical University, L'vivska str. 75, 43018 Lutsk, Ukraine ; Department of Inorganic and Physical Chemistry, Eastern European National University, Voli Ave 13, 43009 Lutsk, Ukraine ; Department of Ecology and Protection of Environment, Eastern European National University, Voli Ave 13, 43009 Lutsk, Ukraine Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Physics of condensed state: electronic structure, electrical, magnetic and optical properties ; Physics of condensed state: structure, mechanical and thermal properties

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