Magnetic ordering in RCoSn (R = Dy, Ho, Er) compounds

Bażela, W.; Leciejewicz, J.; Stuesser, N.; Szytuła, A.; Zygmunt, A.

doi:10.1016/0304-8853(94)90208-9

Cited by 13 publications

(10 citation statements)

References 4 publications

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“…Ho(1) atom is coordinated by twelve Sn atoms at 3.297(1)-3.345(1) Å, and Ho(2) atom is surrounded by ten Sn atoms at 3.0542(9)-3.2817(7) Å with additional three Co atoms at 2.976(1)-3.018(1). These Ho-Co and Ho-Sn bond distances are comparable with those in HoCoSn, HoCoSn 2 and Ho 7 Co 6 Sn 23 [16,26,47]. In Sc 5 Co 6 Sn 18 , most of the Co-Sn and Sn-Sn lengths are slightly shorter than those of Ho 5 Co 6 Sn 18 , which is in accord with the radii of rare earth ions (Sc 3+ : 0.73 vs Ho 3+ : 0.89).…”

Section: Resultssupporting

confidence: 84%

“…For example, the ternary compounds RECoSn (RE = Dy-Er) feature 3D framework built from the condensation of [CoSn 4 ] tetrahedrons [16]. With a higher tin content, stannides such as RECoSn 2 (RE = Gd-Er), RE 4 Co 2 Sn 5 (RE = La, Ce), Yb 3 CoSn 6 , and La 3 Co 2 Sn 7 with various 3D framework based on Co-centered [CoSn 5 ] square pyramids have been reported [17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

“…As for the RE-Co-Sn (RE = rare earth metal) systems, a number of tin-rich phases have also been prepared and their structures elucidated [16][17][18][19][20][21][22][23][24][25][26]. For example, the ternary compounds RECoSn (RE = Dy-Er) feature 3D framework built from the condensation of [CoSn 4 ] tetrahedrons [16].…”

Section: Introductionmentioning

confidence: 99%

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Syntheses and crystal structures of Y7Co6Sn23 and RE5Co6Sn18 (RE=Sc, Ho)

Lei

Zhong

et al. 2009

Journal of Alloys and Compounds

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Section: Resultssupporting

confidence: 84%

Section: Introductionmentioning

confidence: 99%

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Syntheses and crystal structures of Y7Co6Sn23 and RE5Co6Sn18 (RE=Sc, Ho)

Lei

Zhong

et al. 2009

Journal of Alloys and Compounds

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“…Neutron diffraction data on RCoGe shows no local moment on Co site, as expected [185]. The authors reported that PrCoGe and CeCoGe show paramagnetic behavior down to 1.6 K, while NdCoGe orders antiferromagnetically below 8 K. Neutron diffraction reports [186,187,188] on RCoSn (R=Tb, Dy, Ho, Er) show that rare earth moment in these compounds form different kinds of modulated magnetic structures. In RCoSn (R=Dy, Ho, Er), each magnetic structure can be considered as two modes A and G along the b and c axes, respectively, which results in non-collinear magnetic structures [186].…”

Section: Rcox Compoundsmentioning

confidence: 74%

Review on magnetic and related properties of RTX compounds

Gupta

Суреш

2015

Journal of Alloys and Compounds

261

124

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RTX (R=rare earths, T= 3d/4d/5d, transition metals such as Sc, Ti, Mn, Fe, Co, Ni, Cu, Ru, Rh, Pd, Ag, Os, Ir, Pt, Au, and X=p-block elements such as Al, Ga, In, Si, Ge, Sn, As, Sb, Bi) series is a huge family of intermetallics compounds. These compounds crystallize in different crystal structures depending on the constituents. Though these compounds have been known for a long time, they came to limelight recently in view of the large magnetocaloric effect (MCE) and magnetoresistance (MR) shown by many of them. Most of these compounds crystallize in hexagonal and tetragonal crystal structures. Some of them show crystal structure modification with annealing temperature; while a few of them show iso-structural transition in the paramagnetic regime. Their magnetic ordering temperatures vary from very low temperatures to temperatures well above room temperature (~510 K). Depending on the crystal structure, they show a variety of magnetic and electrical properties.These compounds have been characterized by means of a variety of techniques/measurements such as x-ray diffraction, neutron diffraction, magnetic properties, heat capacity, magnetocaloric properties, electrical resistivity, magnetoresistance, thermoelectric power, thermal expansion, Hall effect, optical properties, XPS, Mössbauer spectroscopy, ESR, μSR, NMR, NQR etc. Some amount of work on theoretical calculations on electronic structure, crystal field interaction and exchange interactions has also been reported. The interesting aspect of this series is that they show a variety of physical properties such as Kondo effect, heavy fermion behavior, spin glass state, intermediate valence, superconductivity, multiple magnetic transitions, metamagnetism, large MCE, large positive as well as negative MR, spin orbital compensation, magnetic polaronic behavior, pseudo gap effect etc.Except Mn, no other transition metal in these compounds possesses considerable magnetic moments.Because of this RMnX compounds in general have high ordering temperatures. Interstitial modification using hydrogen and nitrogen is found to alter their crystal structures and magnetic properties considerably. RTX compounds also show interesting pressure effects on their structural and magnetic properties. In summary, these compounds show variety of physical properties over a wide range of temperatures. This review is intended to cover all the important results obtained in this family, particularly in the last few years.

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“…The existence of ternary compounds, namely Dy 3 Co 8 Sn 4 [15] , Dy 3 Co 6 Sn 5 [16] , DyCo 6 Sn 6 [17] , DyCoSn [18], Dy 7 Co 6 Sn 23 [19] and Dy 117 Co 57 Sn 112 [20] has been confirmed except for DyCo 3 Sn [21] and Dy 4 CoSn 8 [22]. The XRD pattern of nominal alloy DyCo 3 Sn, which is shown in Fig.…”

Section: Phase Analysismentioning

confidence: 92%