Structure and Properties of YbZnSn, YbAgSn, and Yb2Pt2Pb

Pöttgen, Rainer; Arpe, Petra E.; Felser, Claudia; Kußmann, Dirk; Müllmann, Ralf; Mosel, Bernd D.; Künnen, Bernd; Kotzyba, Gunter

doi:10.1006/jssc.1998.8280

Cited by 58 publications

(43 citation statements)

References 38 publications

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“…In agreement with the lower site symmetry, the signal with the higher quadrupole splitting parameter was assigned to the Sn1 sites. A similar behavior was observed for YbAgSn [35]. The experimentally observed isomer shifts indicated considerable s elelctron density at the tin nuclei [36].…”

Section: Crystal Chemistrysupporting

confidence: 78%

Solid Solutions RE₁₆Rh_11–xZ_x (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) – Centrosymmetric n = 2 Variants of Parthé’s Homologous Series A_5n+6B_3n+5

Tappe

Schappacher

Langer

et al. 2012

Zeitschrift Für Naturforschung B

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Several samples of solid solutions RE 16 Rh 11−x Z x (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) were synthesized by high-frequency melting of the elements in sealed tantalum ampoules. The samples were characterized by powder X-ray diffraction, and the structures of eight compounds were refined on the basis of single-crystal X-ray diffractometer data. The compounds crystallize with a centrosymmetric variant (space group P4/mbm) of the Ca 16 Sb 11 type (P42 1 m). The relation between both structure types is discussed on the basis of a group-subgroup scheme. Only for La 16 Rh 8 Sn 3 we observed full rhodium-tin ordering. The striking structural motif is a chain of face-sharing square prisms (filled with tin) and anti-prisms (filled with rhodium

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Section: Crystal Chemistrysupporting

confidence: 78%

Solid Solutions RE₁₆Rh_11–xZ_x (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) – Centrosymmetric n = 2 Variants of Parthé’s Homologous Series A_5n+6B_3n+5

Tappe

Schappacher

Langer

et al. 2012

Zeitschrift Für Naturforschung B

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“…The 10 K neutron powder pattern [ Fig. 5(a)] is well refined using the reported U 2 Pt 2 Sn-type tetragonal structure [34]. The 0.5 K neutron powder diffraction pattern has additional peaks corresponding to AF order [ Fig.…”

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confidence: 91%

Magnetic structure ofYb2Pt2Pb: Ising moments on the Shastry-Sutherland lattice

Miiller

Kim

et al. 2016

Phys. Rev. B

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Neutron diffraction measurements were carried out on single crystals and powders of Yb 2 Pt 2 Pb, where Yb moments form two interpenetrating planar sublattices of orthogonal dimers, a geometry known as ShastrySutherland lattice, and are stacked along the c axis in a ladder geometry. Yb 2 Pt 2 Pb orders antiferromagnetically at T N = 2.07 K, and the magnetic structure determined from these measurements features the interleaving of two orthogonal sublattices into a 5 × 5 × 1 magnetic supercell that is based on stripes with moments perpendicular to the dimer bonds, which are along (110) and (−110). Magnetic fields applied along (110) or (−110) suppress the antiferromagnetic peaks from an individual sublattice, but leave the orthogonal sublattice unaffected, evidence for the Ising character of the Yb moments in Yb 2 Pt 2 Pb that is supported by point charge calculations. Specific heat, magnetic susceptibility, and electrical resistivity measurements concur with neutron elastic scattering results that the longitudinal critical fluctuations are gapped with E 0.07 meV. DOI: 10.1103/PhysRevB.93.104419 Much attention is focused on coupled spin-dimer systems, where frustrated magnetic interactions can lead to spin liquid ground states [1,2]. The Shastry-Sutherland lattice (SSL), consisting of planes of orthogonal dimers with intradimer exchange J and interdimer exchange J , is of particular interest as it has been exactly solved [3] to show that the ground state is ordered antiferromagnetically (AF) for J /J less than a critical value (J /J ) C and otherwise has a singlet ground state with gapped magnetic excitations. Insulating SrCu 2 (BO 3 ) 2 is an example of the SSL dimer liquid ground state [4][5][6]. Here, frustrated exchange interactions tend to localize singlet and triplet dimers into complex ordered superstructures at high fields [7][8][9], resulting in quantized plateaus in the magnetic field B dependence of the magnetization M(B) [10][11][12].Most SSL systems are magnetically ordered, where the closure of the singlet dimer gap yields a nonzero magnetization that makes AF order possible even for B = 0. The metallic RB 4 (R = Ho,Er,Tm,Tb) compounds order AF with period-doubling Néel ground states with Ising-like moments oriented perpendicular to the SSL planes [13][14][15][16]. In metallic The neutron diffraction measurements presented here demonstrate that the in-plane Ising-like Yb moments in Yb 2 Pt 2 Pb have a remarkably complex magnetic structure, with a commensurate superlattice of ordered stripes consisting of moment-bearing and magnetically compensated Yb pairs with moments perpendicular to the (110) and (−110) dimer bonds. The magnetic cell contains 200 Yb atoms, whose Ising character results in the formation of two independent and orthogonal sublattices that are separately polarized by magnetic fields along either (110) or (−110). The persistence of AF order in the surviving AF sublattice shows that the two orthogonal bonds of the B = 0 SSL are effectively decoupled in magnetic field, leading to a un...

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“…1) In this compound, Yb ions are located on two different Wyckoff sites 4f (Yb1) and 4g (Yb2) of the same local symmetry, which are arranged in the network of mixed rectangles and isosceles triangles. The bond length between the Yb1 (Yb2) atoms in the basal plane is 3.8890 A (3.5451 A).…”

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Low Temperature Magnetization of Yb₂Pt₂Pb with the Shastry–Sutherland Type Lattice and a High-Rank Multipole Interaction

et al. 2012

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We measured DC magnetization of the antiferromagnet Yb 2 Pt 2 Pb (T N $ 2:1 K) with the Shastry-Sutherland lattice for two in-plane directions H k ½100 and [110] down to 0.08 K. Multiple metamagnetic transitions are found to develop in the field dependence of the magnetization MðHÞ near the I-II phase boundary. Substantial anisotropy observed in MðHÞ is well explained on the basis of a two-sublattice model with strong Ising anisotropy along the orthogonal [110] and [1 10] directions arising from the wave function of the ground state Kramers doublet predominantly comprised of jAE7=2i, as recently proposed by Ochiai et al. In the high-field region of phase II, however, MðHÞ increases nearly linear to H and the full saturation is reached by a second-order transition even at the base temperature of 0.08 K, just like a spin flop state of an ordinary antiferromagnet. The results are interpreted by a pseudospin-flop state, which can be stabilized by a high-rank multipole, possibly a rank-7 octacosahectapole (128 pole), interaction between the Yb ions.

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Structure and Properties of YbZnSn, YbAgSn, and Yb2Pt2Pb

Cited by 58 publications

References 38 publications

Solid Solutions RE₁₆Rh_11–xZ_x (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) – Centrosymmetric n = 2 Variants of Parthé’s Homologous Series A_5n+6B_3n+5

Solid Solutions RE₁₆Rh_11–xZ_x (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) – Centrosymmetric n = 2 Variants of Parthé’s Homologous Series A_5n+6B_3n+5

Magnetic structure ofYb2Pt2Pb: Ising moments on the Shastry-Sutherland lattice

Low Temperature Magnetization of Yb₂Pt₂Pb with the Shastry–Sutherland Type Lattice and a High-Rank Multipole Interaction

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Structure and Properties of YbZnSn, YbAgSn, and Yb2Pt2Pb

Cited by 58 publications

References 38 publications

Solid Solutions RE16Rh11–xZx (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) – Centrosymmetric n = 2 Variants of Parthé’s Homologous Series A5n+6B3n+5

Solid Solutions RE16Rh11–xZx (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) – Centrosymmetric n = 2 Variants of Parthé’s Homologous Series A5n+6B3n+5

Magnetic structure ofYb2Pt2Pb: Ising moments on the Shastry-Sutherland lattice

Low Temperature Magnetization of Yb2Pt2Pb with the Shastry–Sutherland Type Lattice and a High-Rank Multipole Interaction

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Solid Solutions RE₁₆Rh_11–xZ_x (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) – Centrosymmetric n = 2 Variants of Parthé’s Homologous Series A_5n+6B_3n+5

Solid Solutions RE₁₆Rh_11–xZ_x (RE = La, Ce, Pr, Nd, Sm; Z = Ga, Zn, Cd, In, Sn, Sb, Pb, Bi) – Centrosymmetric n = 2 Variants of Parthé’s Homologous Series A_5n+6B_3n+5

Low Temperature Magnetization of Yb₂Pt₂Pb with the Shastry–Sutherland Type Lattice and a High-Rank Multipole Interaction