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Breathing pyrochlore

WebFeb 14, 2024 · Herein, the structure and magnetic properties of the breathing pyrochlore compound LiInCr 4−x Fe x O 8 (x = 0, 0.2, 0.4, 0.5) are reported. Raman scattering experiments show the hardening behavior of the active mode induced by the increased ionic masses and bond strength. WebOct 16, 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.

Formation of breathing pyrochlore lattice: structural, …

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 ... 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 … trading cards castle https://rhinotelevisionmedia.com

Breathing pyrochlore magnet CuGaCr$_{4}$S$_{8}$: …

Webinstead 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. Pyrochlore (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… WebJan 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 … trading cards cello vs hobby retail

Behavior of the breathing pyrochlore lattice Ba3Yb2Zn5O11 in …

Category:(PDF) Weyl magnons in breathing pyrochlore …

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Breathing pyrochlore

Flat bands and Dirac cones in breathing lattices - IOPscience

WebSome of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. WebMar 30, 2015 · The breathing factor can be modulated through breathing ratio, the ratio of sizes of the two tetrahedra, by using different elements at A and A' sites in the breathing pyrochlore structure.

Breathing pyrochlore

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WebMar 31, 2015 · We show here that the solid solutions LiGa 1−x In x Cr 4 O 8 between these two “breathing” pyrochlore compounds display (i) rapid suppression of magnetic and structural transitions upon doping the end members, (ii) spin-glass-like freezing above 2 K in the range 0.1 ≲ x ≲ 0.6, and (iii) apparent spin-gap behavior for x ≳ 0.7. 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 …

WebMar 31, 2015 · The spinel oxides LiGaCr4O8 and LiInCr4O8 contain size-alternating pyrochlore lattices of spin-3/2 Cr3+ tetrahedra with different magnitudes of alternation. We show here that the solid solutions LiGa1-xInxCr4O8 between these two 'breathing' pyrochlore compounds display (i) rapid suppression of magnetic and structural … WebFeb 14, 2024 · Herein, the structure and magnetic properties of the breathing pyrochlore compound LiInCr 4−x Fe x O 8 (x = 0, 0.2, 0.4, 0.5) are reported. Raman scattering …

WebApr 1, 2024 · Cubic breathing pyrochlore LiACr 4 O 8 (A = In, Ga) belongs to the space group F-43 m. Based on the group theoretical analysis, it expected to have the following … 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 …

Webpyrochlore: [noun] a brown or dark reddish mineral NaCaCb2O6F that is isomorphous with microlite and is an oxide and fluoride of sodium, calcium, and columbium.

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 … trading cards chicagoWebOct 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 … the sak sequoia crochetWebJan 2, 2024 · The formation of breathing pyrochlore lattices is accompanied in many cases by clustering and the appearance of exotic … trading cards checklist