Breathing pyrochlore
WebMar 30, 2024 · (a) A schematic plot of breathing pyrochlore lattice. The tetrahedron in blue is up pointing while the tetrahedron in red is down pointing. The uniaxial strains in the … WebThe breathing pyrochlore system, which consists of an alternatingarrayofsmall(S)andlarge(L)tetrahedra,embodies bond alternation and frustration in a single material as shown in Fig. 1(a) [13–19]. Its spin Hamiltonian is given by H = J ij∈S S i ·S j +J ij∈L S i ·S j, with nearest-neighbor ex-change interaction J for the S tetrahedra …
Breathing pyrochlore
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WebOct 16, 2024 · We present a comprehensive neutron scattering study of the breathing pyrochlore magnet LiGaCr_{4}S_{8}. We observe an unconventional magnetic … WebAug 1, 2024 · The magnetic Cr occupies a breathing pyrochlore lattice. Ferromagnetic ordering is found below TC ∼ 61 K, by both neutron diffraction and magnetometer studies, with a small, saturated moment of ∼0.25 μB/Cr observed at 2 K, making Cr4PtGa17 the first ferromagnetically ordered material with a breathing pyrochlore lattice. A …
WebPyrochlore definition, a mineral, chiefly composed of niobates of the cerium metals, occurring in syenites in the form of brown crystals. See more. WebAug 10, 2024 · These compounds have breathing ratios of \(d^{\prime} /d\approx 1\) and are thus in a regime of effective (competing) interactions close to the regular, non …
WebDec 18, 2024 · Breathing chromium spinels: a showcase for a variety of pyrochlore Heisenberg Hamiltonians Introduction. In particular, for rare … WebSep 21, 2016 · The breathing pyrochlore and the phase diagram.: (a) The breathing pyrochlore. The letter u(d) refers to the up-pointing (down-pointing) tetrahedra and J(J?) indicates the nearest-neighbour ...
WebJun 29, 2024 · Pyrochlore and kagome antiferromagnets are archetypical examples of flat-band systems in frustrated magnetism [1, 2].In these classical spin liquids, the flat bands correspond to highly degenerate ground-state manifolds which support emergent Coulomb physics [].However, while the pyrochlore and kagome antiferromagnets have been …
WebJun 10, 2024 · The waveguide arrays are sequenced in a breathing kagome lattice, including the triangle and rhombic lattices. We show the triangle arrays are able to support three corner modes while the rhombic array only supports a single corner mode. ... Ezawa, M. Higher-Order Topological Insulators and Semimetals on the Breathing Kagome and … sheriff\u0027s work card las vegasWebJan 2, 2024 · The formation of breathing pyrochlore lattices is accompanied in many cases by clustering and the appearance of exotic … sheriff\\u0027s work card las vegasPyrochlore (Na,Ca)2Nb2O6(OH,F) is a mineral group of the niobium end member of the pyrochlore supergroup. The general formula, A2B2O7 (where A and B are metals), represent a family of phases isostructural to the mineral pyrochlore. Pyrochlores are an important class of materials in diverse technological applications such as luminescence, ionic conductivity, nuclear w… sql field to jsonWebJan 29, 2013 · A unique type of frustrated lattice is found in two A-site ordered spinel oxides, LiGaCr4O8 and LiInCr4O8. Because of the large size mismatch between Li+ and … sql filegroups best practicesWebOct 19, 2024 · The breathing pyrochlore lattice material Ba 3 Yb 2 Zn 5 O 11 exists in the nearly decoupled limit, in contrast to most other well-studied breathing pyrochlore compounds. As a result, it constitutes a useful platform to benchmark theoretical calculations of exchange interactions in insulating Yb 3+ magnets. Here we study Ba 3 Yb 2 Zn 5 O … sql fill column with increasing numbersWebSep 26, 2024 · The breathing pyrochlore lattice material Ba 3 Yb 2 Zn 5 O 11 exists in the nearly decoupled limit, in contrast to most other well-studied breathing pyrochlore compounds. As a result, it constitutes a useful platform to benchmark theoretical calculations of exchange interactions in insulating Yb 3+ magnets. sql fill with leading zerosWebinstead of identical ones, known as a “breathing pyrochlore lattice”. Such systems are currently being explored, both theoretically and experimentally.52–58 Two examples of the breathing pyrochlore lattice materials are the spinel-based compounds LiGaCr 4 O 8 and LiInCr 4 O 8.53 Both compounds antiferromagnetically order 53near 15 K. sql field search