Journal ArticleDOI
UFe6Ge6: a new ternary magnetic compound
António Pereira Gonçalves,João C. Waerenborgh,Gregoire Bonfait,Ana M. Amaro,Margarida Godinho,Manuel Almeida,J. C. Spirlet +6 more
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TLDR
The ternary intermetallic magnetic compound UFe6Ge6 was studied by single crystal X-ray diffraction and 57Fe Mossbauer spectroscopy; the magnetic properties were also investigated as mentioned in this paper.About:
This article is published in Journal of Alloys and Compounds.The article was published on 1994-02-01. It has received 17 citations till now. The article focuses on the topics: Magnetization & Ternary operation.read more
Citations
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Evidence of spin reorientation in YbFe6Ge6 from neutron diffraction and 57Fe Mössbauer experiments
TL;DR: In this article, high-resolution neutron diffraction and 57 Fe Mossbauer experiments have been performed on powder samples of the ternary intermetallic YbFe6 Ge6.
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Neutron diffraction and 57Fe Mössbauer study of the HfFe6Ge6-type RFe6Ge6 compounds (R=Sc, Ti, Zr, Hf, Nb)
TL;DR: In this article, the authors observed that at 4.2 K, ≈30% of the iron atoms have moments which deviate from the c-axis of the Fe planes, which is attributed to an increase of the hybridization of the d valence states with the 3d iron states.
Journal ArticleDOI
Evidence of uranium magnetic ordering on U2Fe3Ge
Marta S. C. Henriques,Olivier Tougait,Henri Noël,Luísa Pereira,João C. Waerenborgh,António Pereira Gonçalves +5 more
TL;DR: A ternary uranium intermetallic compound, U2Fe3Ge, was synthesized and investigated in this article, which crystallizes in the MgZn2-type structure (a = 5.1870 ( 3 ) A and c = 7.8501 ( 5 ) A, space group P 6 3 / m m c ), with uranium-uranium distances well below the Hill limit.
Journal ArticleDOI
Crystallographic and magnetic properties of UFe5.8Al6.2 single crystals
António Pereira Gonçalves,Pedro Estrela,João C. Waerenborgh,José A. Paixão,M. Bonnet,J.C. Spirlet,Margarida Godinho,Manuel Almeida +7 more
TL;DR: In this article, single crystals of UFe5.8Al6.2 were characterised by X-ray and neutron diffraction, 57Fe Mossbauer spectroscopy and magnetisation.
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Structural and physical properties of UFe10Mo2
António Pereira Gonçalves,Pedro Estrela,João C. Waerenborgh,Margarida Godinho,Manuel Almeida,J. C. Spirlet +5 more
TL;DR: UFe10Mo2 was obtained as single-phase polycrystalline material by annealing at 1450 K a polyphasic sample prepared by melting the elements as mentioned in this paper, which was characterized by single-crystal X-ray diffraction, 57Fe Mossbauer spectroscopy and magnetization measurements.
References
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Journal ArticleDOI
A semi-empirical method of absorption correction
TL;DR: An extension of Furnas's method is described in this paper, where the variation of intensity of an axial reflection as the crystal is rotated about the goniometer axis is used to give a curve of relative transmission T against azimuthal angle ϕ for the corresponding reciprocal lattice level.
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Extinction within the limit of validity of the Darwin transfer equations. I. General formalism for primary and secondary extinction and their applications to spherical crystals
P. J. Becker,Philip Coppens +1 more
TL;DR: In this article, a theory of extinction within the limit of the Darwin intensity transfer equations is derived, which differs from the equation given by Zachariasen because independent coordinates x1 and x2 based on an external coordinate system have been used, rather than the coordinates t1 and t2 which are only mutually independent if the crystal is a parallelepiped with faces parallel to the incident and diffracted beams.
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Extinction within the limit of validity of the Darwin transfer equations. III. Non-spherical crystals and anisotropy of extinction
P. J. Becker,Philip Coppens +1 more
TL;DR: In this article, a pseudo-spherical approximation for polyhedral crystals is described which is accurate to within 2% of the extinction factor y for crystals whose ratio of maximum and minimum dimensions is less than two.
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Magnetic ordering in ternary rare earth iron aluminium compounds (RFe4Al8)
TL;DR: The magnetic properties of the tetragonal ternary compounds RFe4Al8 (R=La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y and Th) were investigated in this paper.
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Intermetallische Phasen mit B35‐Überstruktur und Verwandtschaftsbeziehung zu LiFe6Ge6
TL;DR: In this paper, a series of hexagonally crystallizing phases of the composition AB6X6 (A Li, Mg, Sc, Y, Zr, Hf, GdLu, U; B Fe, Co, Ni; X Ge, Si) was described as superstructures of the B35(CoSn)-type structure, space group P6/mmm, and are closely related to LiFe6Ge6.