Structure of CePdAl

Xue, Benjing; Schwer, H.; Hulliger, F.

doi:10.1107/s0108270193007632

Cited by 14 publications

(9 citation statements)

References 6 publications

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“…The next chemical element following Rh in the periodic table, palladium, also forms an equiatomic ternary compound when reacting with Ce and Al-CePdAl. This compound crystallizes in two polymorphic modifications: high-temperature hexagonal [11] and low-temperature orthorhombic crystal structures [12]. CeRuAl and CeRhAl are closely related to the high-temperature hexagonal modification of CePdAl [11] (ZrNiAl type, space group P-62m (No.…”

Section: Resultsmentioning

confidence: 99%

“…This compound crystallizes in two polymorphic modifications: high-temperature hexagonal [11] and low-temperature orthorhombic crystal structures [12]. CeRuAl and CeRhAl are closely related to the high-temperature hexagonal modification of CePdAl [11] (ZrNiAl type, space group P-62m (No. 189), Z = 3, a = 7.2198Å, c = 4.2329Å), which can also be described as a packing of trigonal prisms centered by the small Pd atoms.…”

Section: Resultsmentioning

confidence: 99%

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Crystal structures of isotypic aluminides CeRuAl and CeRhAl

Грибанов

Турсина

Grytsiv

et al. 2008

Journal of Alloys and Compounds

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Crystal structures of isotypic aluminides CeRuAl and CeRhAl

Грибанов

Турсина

Grytsiv

et al. 2008

Journal of Alloys and Compounds

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“…8,9 In the present study, we focus on the geometrically frustrated Kondo lattice CePdAl, which crystallizes in a hexagonal ZrNiAl-type crystal structure (space group P 62m) with no inversion symmetry. 10 There exist three equivalent Ce sites, forming a quasi-Kagome lattice. 11,12 The magnetic susceptibility has a strong anisotropy due to the crystal-electric-field (CEF) effect.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Investigation of Metamagnetic Transitions and Partial Disorder in the Quasi-Kagome Kondo Lattice CePdAl

et al. 2017

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Low-temperature (T ) thermodynamic properties in magnetic fields (B) of the quasi-Kagome antiferromagnet CePdAl (T N ∼ 2.7 K) were studied by means of magnetization and specific-heat C(T, B) measurements. The unusual magnetic phase diagram, including three thermodynamic phases I-III, and crossover anomalies, has been obtained. In low-field phase I, the existence of the partial Kondo screening state on the one-third Ce sites is supported from the thermodynamic point of view: (i) an appearance of the paramagnetic moment with one-third of the full moment around 3 T, and (ii) an occurrence of the entropy release ∼0.3Rln2 around the observed crossover. On the other hand, a strong enhancement of C/T is found around the point, where T N (B) meets the boundary of phase III, indicating the possible presence of a tri-critical point. Furthermore, it is suggested that the three metamagnetic transitions at B mi (i =1,2,3) come from successive increments of the Ising-type magnetic moment along the c-axis. In high-field state above 20 T, the behavior of f electron can be rather described by the crystal-electric-field model.

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“…Ternary intermetallic compound CePdAl crystallizes in the hexagonal ZrNiAl-type structure with space group P62m [1]. Strong anisotropy and frustration of the magnetic interactions are expected for this system due to the distinct layered character and the triangular coordination symmetry of Ce atoms on its lattice.…”

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confidence: 98%