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Unusual Mn-Mn spin coupling in the polar intermetallic compounds CaMn2Sb2 and SrMn2Sb2.
Temperature- and field-dependent dc- and ac-magnetization measurements suggest complex magnetic ordering of the Mn moments below ca.
Cation-anion interactions as structure directing factors: structure and bonding of Ca2CdSb2 and Yb2CdSb2.
These results suggest narrow gap semiconducting and poorly metallic behavior, respectively, and are confirmed by resistivity and magnetic susceptibility measurements.
Are Ba11Cd6Sb12 and Sr11Cd6Sb12 Zintl phases or not? A density‐functional theory study
Results reveal that the classic Zintl reasoning and the concept of two‐center two‐electron bonds cannot explain the subtleties of this complex structure type and suggest that the antimony dimers present in these structures play an important role and allow for a greater flexibility of the bonding with the surrounding d‐metal atoms.
Interplay between size and electronic effects in determining the homogeneity range of the A9Zn4+xPn9 and A9Cd4+xPn9 phases (0 < or = x < or = 0.5), A = Ca, Sr, Yb, Eu; Pn = Sb, Bi.
Analysis of the crystal and electronic structure indicate that the polyanionic subnetwork requires 19 additional electrons, whereas only 18 electrons are provided by the cations, so apparent "electron deficiency" necessitates the presence of an interstitial atom.
Synthesis, structure and physical properties of the new Zintl phases Eu11Zn6Sb12 and Eu11Cd6Sb12
Eight-coordinated arsenic in the Zintl phases RbCd4As3 and RbZn4As3: synthesis and structural characterization.
Preliminary transport properties measurements on polycrystalline samples suggest that the compounds of these families could be promising thermoelectric materials.
Synthesis, structure, and bonding of the Zintl phase Ba3Cd2Sb4.
Crystal orbital Hamilton population analyses on selected atomic interactions in this structure are discussed within the context of the site preference, manifested in the mixed-cation compounds and Ba3-xAxCd2Sb4, where A = Ca, Sr, Eu, and Yb.
Zintl phase variations through cation selection. Synthesis and structure of A21Cd4Pn18 (A = Eu, Sr, Ba; Pn = Sb, Bi).
Four new Zintl compounds have been synthesized and structurally characterized and the structures adapt to a novel packing of the resultant heteronuclear anions.
Clathrates of Group 14 with Alkali Metals: An Exploration
Abstract The quantitative synthesis of four silicon and germanium compounds with the clathrate-II structure, Cs8Na16Si136 (1), Cs8Na16Ge136 (2), Rb8Na16Si136 (3), and Rb8Na16Ge36 (4), and their…
Synthesis, Crystal Structures and Properties of the Zintl Phases Sr2ZnP2, Sr2ZnAs2, A2ZnSb2 and A2ZnBi2 (A = Sr and Eu)
The new intermetallic compounds Sr2ZnP2, Sr2 ZnAs2, A2ZnSb2 and A2ZnBi2 (A = Sr, Eu) have been synthesized from the corresponding elements through high-temperature reactions using the flux-growth…