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Journal articles on the topic 'Kagome layers'

Author: Grafiati

Published: 21 December 2024

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1

Xie, Sheng-Yi, Xian-Bin Li, Wei Quan Tian, et al. "A novel two-dimensional MgB6 crystal: metal-layer stabilized boron kagome lattice." Physical Chemistry Chemical Physics 17, no. 2 (2015): 1093–98. http://dx.doi.org/10.1039/c4cp03728f.

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Based on first-principles calculations, we designed for the first time a boron-kagome-based two-dimensional MgB<sub>6</sub> crystal, in which two boron kagome layers sandwich a triangular magnesium layer.

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2

Gautam, Rinoj, and Sridhar Idapalapati. "Compressive Properties of Additively Manufactured Functionally Graded Kagome Lattice Structure." Metals 9, no. 5 (2019): 517. http://dx.doi.org/10.3390/met9050517.

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Cellular lattice structures have important applications in aerospace, automobile and defense industries due to their high specific strength, modulus and energy absorption. Additive manufacturing provides the design freedom to fabricate complex cellular structures. This study investigates the compressive properties and deformation behavior of a Ti-6Al-4V unit Kagome structure fabricated by selective laser melting. Further, the mechanical performance of multi-unit and multi-layer Kagome structure of acrylonitrile butadiene styrene (ABS) ABS-M30™ manufactured by fused deposition modeling is explo

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Yang, Yuxin, Wenhui Fan, Qinghua Zhang, et al. "Discovery of Two Families of Vsb-Based Compounds with V-Kagome Lattice." Chinese Physics Letters 38, no. 12 (2021): 127102. http://dx.doi.org/10.1088/0256-307x/38/12/127102.

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We report the structure and physical properties of two newly discovered compounds AV8Sb12 and AV6Sb6 (A = Cs, Rb), which have C 2 (space group: Cmmm) and C 3 (space group: R 3 ¯ m ) symmetry, respectively. The basic V-kagome unit appears in both compounds, but stacking differently. A V2Sb2 layer is sandwiched between two V3Sb5 layers in AV8Sb12, altering the V-kagome lattice and lowering the symmetry of kagome layer from hexagonal to orthorhombic. In AV6Sb6, the building block is a more complex slab made up of two half-V3Sb5 layers that are intercalated by Cs cations along the c-axis. Transpor

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Lee, Jeong-Eun, Ulrich Burkhardt, and Alexander Christoph Komarek. "Synthesis of a New Ruthenate Ba26Ru12O57." Crystals 10, no. 5 (2020): 355. http://dx.doi.org/10.3390/cryst10050355.

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Single crystals of Ba 26 Ru 12 O 57 were grown by the floating zone method. The crystal structure is formed by an alternating stacking of pseudo-hexagonal Ru single layers and double layers. The Ru ions within the double layers are dimerized (Ru 2 O 9 ) whereas the Ru ions within the single layers arrange in a distorted Kagome lattice of trigonal bipyramidally coordinated RuO 5 polyhedra. Additionally, this Kagome lattice is “decorated” with RuO 6 octahedra that are situated in the central free spaces within this Kagome lattice. According to the composition, the oxidation state of most of the

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5

Wulff, L., and Hk Müller-Buschbaum. "Isolierte trigonale SrO6 – Prismen verknüpfen Kagome-Netze im Strontium-Manganat(IV)-Tellurat(VI): SrMnTeO6 / Kagomé Layers Connected by Isolated Trigonal SrO6 Prisms in the Strontium Manganate(IV) Tellurate(VI): SrMnTeO6 L." Zeitschrift für Naturforschung B 53, no. 3 (1998): 283–86. http://dx.doi.org/10.1515/znb-1998-0305.

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Abstract Single crystals of the hitherto unknown compound SrMnTeO6 have been prepared from Sr(OH)2 ·8H2O , MnCO3(aq) and TeO2 in air by crystallization below the melt range. X-ray investigations showed hexagonal symmetry, space group D33h -P6̅2m, lattice constants a = 5.143( 1), c = 5.384(2) A, Z = 1. SrMnTeO6 is characterized by staggered [(Mn/Te)6O18] Kagome layers along [001]. These layers are connected by Sr2+ ions, resulting in SrO6 prisms isolated from each other. The structure is discussed with respect to the connection of Kagome nets in the quaternary oxides of the Ba3Ln4O9 type.

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Yin, Qiangwei, Zhijun Tu, Chunsheng Gong, Shangjie Tian, and Hechang Lei. "Structures and physical properties of v-based kagome metals csv₆sb₆ and csv₈sb₁₂ *." Chinese Physics Letters 38, no. 12 (2021): 127401. http://dx.doi.org/10.1088/0256-307x/38/12/127401.

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We report two new members of V-based kagome metals CsV6Sb6 and CsV8Sb12. The most striking structural feature of CsV6Sb6 is the V kagome bilayers. For CsV8Sb12, there is an intergrowth of two-dimensional V kagome layers and one-dimensional V chains, and the latter ones lead to the orthorhombic symmetry of this material. Further measurements indicate that these two materials exhibit metallic and Pauli paramagnetic behaviors. More importantly, different from CsV3Sb5, the charge density wave state and superconductivity do not emerge in CsV6Sb6 and CsV8Sb12 when temperature is above 2 K. Small mag

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7

Aidoudi, Farida H., Lewis J. Downie, Russell E. Morris, Mark A. de Vries, and Philip Lightfoot. "A hybrid vanadium fluoride with structurally isolated S = 1 kagome layers." Dalton Trans. 43, no. 17 (2014): 6304–7. http://dx.doi.org/10.1039/c4dt00452c.

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8

Yang, Ming, Su-Yun Zhang, Wen-Bin Guo, Ying-Ying Tang, and Zhang-Zhen He. "Spin-frustration in a new spin-1/2 oxyfluoride system (Cu13(VO4)4(OH)10F4) constructed by alternatively distorted kagome-like and triangular lattices." Dalton Transactions 44, no. 35 (2015): 15396–99. http://dx.doi.org/10.1039/c5dt02752g.

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9

Sun, Yu-Wei, Zhan-Wei Li, and Zhao-Yan Sun. "Multiple 2D crystal structures in bilayered lamellae from the direct self-assembly of 3D systems of soft Janus particles." Physical Chemistry Chemical Physics 24, no. 13 (2022): 7874–81. http://dx.doi.org/10.1039/d1cp05894k.

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Multiple highly-ordered 2D crystal structures, including a triangular lattice, kagome lattice, and even a Frank–Kasper σ phase, are found within the layers of bilayered lamellae self-assembled directly from 3D systems of soft Janus particles.

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10

Mu, Chao, Qiangwei Yin, Zhijun Tu, et al. "Tri-hexagonal charge order in kagome metal CsV₃Sb₅ revealed by ¹²¹Sb nuclear quadrupole resonance." Chinese Physics B 31, no. 1 (2022): 017105. http://dx.doi.org/10.1088/1674-1056/ac422c.

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We report 121Sb nuclear quadrupole resonance (NQR) measurements on kagome superconductor CsV3Sb5 with T c = 2.5 K. 121Sb NQR spectra split after a charge density wave (CDW) transition at 94 K, which demonstrates a commensurate CDW state. The coexistence of the high temperature phase and the CDW phase between 91 K and 94 K manifests that it is a first order phase transition. The CDW order exhibits tri-hexagonal deformation with a lateral shift between the adjacent kagome layers, which is consistent with 2 × 2 × 2 superlattice modulation. The superconducting state coexists with CDW order and sho

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11

Zhang, Dongyao, Zhipeng Hou, and Wenbo Mi. "Anomalous and topological Hall effects of ferromagnetic Fe₃Sn₂ epitaxial films with kagome lattice." Applied Physics Letters 120, no. 23 (2022): 232401. http://dx.doi.org/10.1063/5.0096144.

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Fe3Sn2, a ferromagnetic alloy with a kagome lattice, has attracted much attention from research communities owing to its special crystal structure and symmetry, which gives rise to numerous intriguing magneto-electronic properties, including the topological Hall effect, skyrmionic bubbles, Dirac cones, and Weyl points. To study such physical properties, Fe3Sn2 epitaxial films without buffer layers are in urgent need. In this work, we fabricated the Fe3Sn2 epitaxial films without buffer layers using the facing-target magnetron sputtering method, and their magneto-electronic transport properties

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Yasin, Sohail, Zamir Ahmed, Zhu Chenyang, and Yao Juming. "Altering Sound Absorption in Acoustic Fabrics via Different Honeycomb Cell Patterns." Research Journal of Textile and Apparel 18, no. 3 (2014): 22–27. http://dx.doi.org/10.1108/rjta-18-03-2014-b003.

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This study shows the result of experiments carried out with different weave patterns introduced in honeycombed acoustic fabrics by varying the cell patterns. The designed honeycomb fabrics with regular triangular, hexagonal and kagome lattice woven patterns are introduced into acoustic fabrics. Acoustic fabrics have sandwiched and porous layers for absorbing different sound waves that convert sound energy into thermal energy, thus allowing a minimal number of waves to penetrate. The sound absorption of the prepared samples is tested twice by using the microphone transfer function method accord

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13

Hong, Deshun, Changjiang Liu, Jianguo Wen, et al. "Synthesis of antiferromagnetic Weyl semimetal Mn₃Ge on insulating substrates by electron beam assisted molecular beam epitaxy." APL Materials 10, no. 10 (2022): 101113. http://dx.doi.org/10.1063/5.0116981.

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The antiferromagnetic kagome semimetals Mn3X (X = Ge, Sn, Ga) are of great interest due to properties arising from their Berry curvature, such as large anomalous Nernst and anomalous Hall coefficients, and spin to charge conversion efficiencies at ambient temperatures. However, the synthesis of epitaxial thin films of Mn3Ge in the desired hexagonal phase has been challenging because they do not wet insulating substrates, necessitating the use of a metallic buffer layer. Furthermore, a ferrimagnetic tetragonal phase also forms readily under typical growth conditions, interfering with hexagonal

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14

Kaboudvand, Farnaz, Samuel M. L. Teicher, Stephen D. Wilson, Ram Seshadri, and Michelle D. Johannes. "Fermi surface nesting and the Lindhard response function in the kagome superconductor CsV₃Sb₅." Applied Physics Letters 120, no. 11 (2022): 111901. http://dx.doi.org/10.1063/5.0081081.

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The recently discovered kagome net compounds AV3Sb5 ( A = K, Rb, and Cs) become superconducting on cooling, in addition to displaying interesting topological features in the electronic structure. They also exhibit charge density wave ordering, which manifests as a breathing-mode distortion in the kagome layers. It has been suggested that such ordering derives from nesting between saddle points on the Fermi surface. In aid of the evolving understanding of this intriguing materials class, we present calculations of Fermi surface nesting and Lindhard susceptibility of CsV3Sb5. The breathing mode

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15

Kornyakov, Ilya V., Victoria A. Vladimirova, Oleg I. Siidra, and Sergey V. Krivovichev. "Expanding the Averievite Family, (MX)Cu5O2(T5+O4)2 (T5+ = P, V; M = K, Rb, Cs, Cu; X = Cl, Br): Synthesis and Single-Crystal X-ray Diffraction Study." Molecules 26, no. 7 (2021): 1833. http://dx.doi.org/10.3390/molecules26071833.

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Averievite-type compounds with the general formula (MX)[Cu5O2(TO4)], where M = alkali metal, X = halogen and T = P, V, have been synthesized by crystallization from gases and structurally characterized for six different compositions: 1 (M = Cs; X = Cl; T = P), 2 (M = Cs; X = Cl; T = V), 3 (M = Rb; X = Cl; T = P), 4 (M = K; X = Br; T = P), 5 (M = K; X = Cl; T = P) and 6 (M = Cu; X = Cl; T = V). The crystal structures of the compounds are based upon the same structural unit, the layer consisting of a kagome lattice of Cu2+ ions and are composed from corner-sharing (OCu4) anion-centered tetrahedr

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16

Letrouit, A., S. Boudin, and R. Retoux. "A strontium aluminium antimony oxide with Kagome layers: Sr1.5+xSb5+2−xAl5+xO14 (x≈0.21)." Solid State Sciences 11, no. 7 (2009): 1183–86. http://dx.doi.org/10.1016/j.solidstatesciences.2009.02.019.

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17

Lee, Kyunghoon, M. Iqbal Bakti Utama, Salman Kahn, et al. "Ultrahigh-resolution scanning microwave impedance microscopy of moiré lattices and superstructures." Science Advances 6, no. 50 (2020): eabd1919. http://dx.doi.org/10.1126/sciadv.abd1919.

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Two-dimensional heterostructures composed of layers with slightly different lattice vectors exhibit new periodic structure known as moiré lattices, which, in turn, can support novel correlated and topological phenomena. Moreover, moiré superstructures can emerge from multiple misaligned moiré lattices or inhomogeneous strain distributions, offering additional degrees of freedom in tailoring electronic structure. High-resolution imaging of the moiré lattices and superstructures is critical for understanding the emerging physics. Here, we report the imaging of moiré lattices and superstructures

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18

Ishikawa, Hajime, Jun-ichi Yamaura, Yoshihiko Okamoto, Hiroyuki Yoshida, Gøran J. Nilsen, and Zenji Hiroi. "A novel crystal polymorph of volborthite, Cu3V2O7(OH)2·2H2O." Acta Crystallographica Section C Crystal Structure Communications 68, no. 7 (2012): i41—i44. http://dx.doi.org/10.1107/s010827011202536x.

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A new polymorph of volborthite [tricopper(II) divanadium(V) heptaoxide dihydroxide dihydrate], Cu3V2O7(OH)2·2H2O, has been discovered in a single crystal prepared by hydrothermal synthesis. X-ray analysis reveals that the monoclinic structure has the space groupC2/cat room temperature, which is different from that of the previously reportedC2/mstructure. Both structures have Cu3O6(OH)2layers composed of edge-sharing CuO4(OH)2octahedra, with V2O7pillars and water molecules between the layers. The Cu atoms occupy two and three independent crystallographic sites in theC2/mandC2/cstructures, respe

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19

Zhang, Yiming, Xuanhao Yuan, Jian Hao, Meiling Xu, and Yinwei Li. "Realizing high-temperature superconductivity in borophene with Dirac states assembled by kagome and honeycomb boron layers." Materials Today Physics 35 (June 2023): 101144. http://dx.doi.org/10.1016/j.mtphys.2023.101144.

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20

Krüger, Biljana, Evgeny V. Galuskin, Irina O. Galuskina, Hannes Krüger та Yevgeny Vapnik. "Kahlenbergite KAl<sub>11</sub>O<sub>17</sub>, a new <i>β</i>-alumina mineral and Fe-rich hibonite from the Hatrurim Basin, the Negev desert, Israel". European Journal of Mineralogy 33, № 4 (2021): 341–55. http://dx.doi.org/10.5194/ejm-33-341-2021.

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Abstract. Kahlenbergite, ideally KAl11O17, and Fe-rich hibonite, CaAl10Fe2O19, are high-temperature minerals found in “olive” subunits of pyrometamorphic rocks, in the Hatrurim Basin, the Negev desert, Israel. The crystal structures of both minerals are refined using synchrotron radiation single-crystal diffraction data. The structure of kahlenbergite (P63/mmc; a=5.6486(1) Å; b=22.8970(3) Å; Z=2) exhibits triple spinel blocks and so-called R blocks. The spinel blocks show mixed layers with AlO6 octahedra and (Al0.56Fe0.44)O4 tetrahedra and kagome layers with (Al0.92Fe0.08)O6 octahedra. One-dim

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21

Dabić, Predrag, Volker Kahlenberg, Biljana Krüger, et al. "Low-temperature phase transition and magnetic properties of K3YbSi2O7." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 77, no. 4 (2021): 584–93. http://dx.doi.org/10.1107/s2052520621006077.

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The new ambient-temperature hexagonal (space group P63 /mmc) polymorph of tripotassium ytterbium(III) disilicate (β-K3YbSi2O7) has been synthesized by the high-temperature flux method and subsequently structurally characterized. In the course of the temperature-dependent single-crystal diffraction experiments, a phase transformation of β-K3YbSi2O7 to a novel low-temperature orthorhombic phase (β′-K3YbSi2O7, space group Cmcm) has been observed at about 210 K. β-K3YbSi2O7 is isostructural with K3ErSi2O7, whereas β′-K3YbSi2O7 adopts a new type of structure. Both compounds can be built up from a r

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Pei, Yongmao, Anmin Zeng, Licheng Zhou, Rubing Zhang, and Kuixue Xu. "ELECTROMAGNETIC OPTIMAL DESIGN FOR DUAL-BAND RADOME WALL WITH ALTERNATING LAYERS OF STAGGERED COMPOSITE AND KAGOME LATTICE STRUCTURE." Progress In Electromagnetics Research 122 (2012): 437–52. http://dx.doi.org/10.2528/pier11101906.

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WULFF, L., and HK MUELLER-BUSCHBAUM. "ChemInform Abstract: Kagome Layers Connected by Isolated Trigonal SrO6 Prisms in the Strontium Manganate(IV) Tellurate(VI): SrMnTeO6." ChemInform 29, no. 24 (2010): no. http://dx.doi.org/10.1002/chin.199824020.

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24

Wills, A. S. "Conventional and unconventional orderings in the jarosites." Canadian Journal of Physics 79, no. 11-12 (2001): 1501–10. http://dx.doi.org/10.1139/p01-093.

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The jarosites make up the most studied family of Kagome anti-ferromagnets. The flexibility of the structure to substitution of the A and B ions allows a wide range of compositions to be synthesized with the general formula AB3(SO4)2(OH)6 (A = Na+, K+, Ag+, Rb+, H3O+, NH4+, 1/2Ba2+, and 1/2Pb2+; B = Fe3+, Cr3+, and V3+). Additional chemical tuning of the exchange between layers is also possible by substitution of the (SO4)2 groups by (SeO4)2 or (CrO4)2. Thus, a variety of S = 5/2, 3/2, and 1 systems can be engineered to allow study of the effects of frustration in both the classical and more

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ENGLICH, U., C. FROMMEN, and W. MASSA. "ChemInform Abstract: Jahn-Teller Ordering in Kagome-Type Layers of Compounds M2M′MnIII3F12 ( M: Rb, Cs; M′: Li, Na, K)." ChemInform 28, no. 24 (2010): no. http://dx.doi.org/10.1002/chin.199724026.

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26

Siidra, Oleg I., Michael S. Kozin, Wulf Depmeier, Roman A. Kayukov, and Vadim M. Kovrugin. "Copper–lead selenite bromides: a new large family of compounds partly having Cu2+ substructures derivable from kagome nets." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 74, no. 6 (2018): 712–24. http://dx.doi.org/10.1107/s2052520618016542.

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Extensive experiments in the Pb–Cu–Se–O–Br system at 400°C yielded single crystals of nine new compounds (Cu2+Pb6(SeO3)4Br6, Cu2+Pb2(SeO3)2Br2, Cu2+ 3Pb2.4(SeO3)5Br0.8, Cu2+ 2Pb(SeO3)2Br2, Cu2+ 4Pb(SeO3)4Br2, [Cu2+ 9Pb2O4](Cu+Br2)(SeO3)4Br5, [Cu2+ 7PbO3](Cu+Br)0.35(SeO3)3Br4, [Cu2+ 8Pb2O4](Cu+Br)1.5(SeO3)4Br4, [Cu2+ 6Pb3O4](Cu+Pb1.27Br3.54)(SeO3)4Br2), all but one exhibiting new complex layered or open-framework architectures, organized via the host–guest principle. Five of these structures contain only bivalent copper: three with well ordered 2D structures and completely filled atomic positio

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Fujiwara, Kohei, Junya Ikeda, Shun Ito, and Atsushi Tsukazaki. "Electrochemical thinning of Co kagome-lattice layers in ferromagnetic Co₃Sn₂S₂ thin films by bias-induced Co dissolution." Journal of Applied Physics 133, no. 12 (2023): 125302. http://dx.doi.org/10.1063/5.0134291.

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Solid–liquid interfaces made of functional inorganic materials and liquid electrolytes exhibit various interesting responses by applying an electric bias across the interface. Using an electric-double-layer device fabricated on a thin-film channel of magnetic Weyl semimetal Co3Sn2S2 with an ionic liquid gate electrolyte, we show that the conducting channel thickness can be effectively decreased by applying a negative gate voltage. The application of a gate voltage of −6 V at 250 K gives rise to an irreversible increase in the channel resistance. Transmission electron microscopy reveals that th

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Crichton, Wilson A., and Harald Müller. "Centennialite, CaCu3(OH)6Cl2.nH2O, n ≈ 0.7, a new kapellasite-like species, and a reassessment of calumetite." Mineralogical Magazine 81, no. 5 (2017): 1105–24. http://dx.doi.org/10.1180/minmag.2016.080.157.

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AbstractThe new mineral centennialite (IMA 2013-110), CaCu3(OH)6Cl2·nH2O, was identified from three cotype specimens originating from the Centennial Mine, Houghton County, Michigan, USA, where it occurs as a secondary product, after acid water action upon supergene Cu mineralization in association with, and essentially indivisible from, other copper-containing minerals such as calumetite and atacamite family minerals. It forms as pale to azure blue encrustations, often taking a botryoidal form. Centennialite is trigonal, , a = 6.6606(9) Å, c = 5.8004(8) Å, V= 222.85(6) Å3, Z= 1. The strongest

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Volkova, L. M., and D. V. Marinin. "Antiferromagnetic spin-frustrated layers of corner-sharing Cu4 tetrahedra on the kagome lattice in volcanic minerals Cu5O2(VO4)2(CuCl), NaCu5O2(SeO3)2Cl3, and K2Cu5Cl8(OH)4·2H2O." Journal of Physics: Condensed Matter 30, no. 42 (2018): 425801. http://dx.doi.org/10.1088/1361-648x/aade0b.

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Whangbo, Myung-Hwan, Hyun-Joo Koo, Eva Brücher, Pascal Puphal, and Reinhard K. Kremer. "Absence of Spin Frustration in the Kagomé Layers of Cu2+ Ions in Volborthite Cu3V2O7(OH)2·2H2O and Observation of the Suppression and Re-Entrance of Specific Heat Anomalies in Volborthite under an External Magnetic Field." Condensed Matter 7, no. 1 (2022): 24. http://dx.doi.org/10.3390/condmat7010024.

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We determined the spin exchanges between the Cu2+ ions in the kagomé layers of volborthite, Cu3V2O7(OH)2·2H2O, by performing the energy-mapping analysis based on DFT+U calculations, to find that the kagomé layers of Cu2+ ions are hardly spin-frustrated, and the magnetic properties of volborthite below ~75 K should be described by very weakly interacting antiferromagnetic uniform chains made up of effective S = 1/2 pseudospin units. This conclusion was verified by synthesizing single crystals of not only Cu3V2O7(OH)2·2H2O but also its deuterated analogue Cu3V2O7(OD)2·2D2O and then by investigat

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McGuire, Michael A., Eleanor M. Clements, Qiang Zhang, and Satoshi Okamoto. "Double-Layer Kagome Metals Pt3Tl2 and Pt3In2." Crystals 13, no. 5 (2023): 833. http://dx.doi.org/10.3390/cryst13050833.

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The connectivity and inherent frustration of the kagome lattice can produce interesting electronic structures and behaviors in compounds containing this structural motif. Here we report the properties of Pt3X2 (X = In and Tl) that adopt a double-layer kagome net structure related to that of the topologically nontrivial high-temperature ferromagnet Fe3Sn2 and the density wave hosting compound V3Sb2. We examined the structural and physical properties of single crystal Pt3Tl2 and polycrystalline Pt3In2 using X-ray and neutron diffraction, magnetic susceptibility, heat capacity, and electrical tra

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Zhang, Mengsi, Zhiying Zhao, Wanwan Zhang, Jinyang Li, Xiaoying Huang, and Zhangzhen He. "Pb(OF)Cu3(SeO3)2(NO3): a selenite fluoride nitrate with a breathing kagomé lattice." Chemical Communications 56, no. 80 (2020): 11965–68. http://dx.doi.org/10.1039/d0cc03684f.

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A spin-1/2 breathing kagomé compound Pb(OF)Cu<sub>3</sub>(SeO<sub>3</sub>)<sub>2</sub>(NO<sub>3</sub>) exhibits ferromagnetic interactions inside the layers and antiferromagnetic interactions between the neighboring layers.

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Li, Zhijun, Xinlong Dong, Dou Chen, Yan Jiang, and Xuehua Li. "Blast-Resistant Performance of Steel Petrochemical Control Room with 3D-Kagome Sandwich Wall." Sustainability 16, no. 10 (2024): 3967. http://dx.doi.org/10.3390/su16103967.

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As the control brain of the petrochemical plant, blast-resistant performance requirements are important for the sustainability of the petrochemical control room and should be guaranteed when the vapor cloud explosion occurs in the petrochemical production process. The 3D-Kagome truss core sandwich structure is a kind of blast-resistant material with high energy absorption and recycling. Considering the influential factors of the radius of the truss core rod and thickness of the upper and lower panels, in this paper, the blast-resistant performance of a real steel petrochemical control room wit

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Kshetrimayum, Augustine, Christian Balz, Bella Lake, and Jens Eisert. "Tensor network investigation of the double layer Kagome compound Ca10Cr7O28." Annals of Physics 421 (October 2020): 168292. http://dx.doi.org/10.1016/j.aop.2020.168292.

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Grey, Ian E. "Kagomé networks of octahedrally coordinated metal atoms in minerals: Relating different mineral structures through octahedral tilting." Mineralogical Magazine 84, no. 5 (2020): 640–52. http://dx.doi.org/10.1180/mgm.2020.72.

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AbstractKagomé nets of corner-connected triangles of atoms occur in diverse minerals, from the {111} anion arrays in perovskite-group minerals to natural metallic alloys like auricupride, AuCu3, to the cation layers in atacamite-group minerals. We review here two- and three-dimensional kagomé networks in minerals where the kagomé node atoms are octahedrally coordinated in hexagonal tungsten bronze (HTB) arrays. Octahedral tilting, coupled with capping of the apical anions of the triangular groupings of octahedra in the HTB layers, gives rise to several important mineral groups, including pyroc

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M. S, Hema, Abhilash V, Tharun V, and Madukar Reddy. "Weed Detection Using Convolutional Neural Network." BOHR International Journal of Intelligent Instrumentation and Computing 1, no. 1 (2021): 39–42. http://dx.doi.org/10.54646/bijiiac.007.

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Precision agriculture relies heavily on information technology, which also aids agronomists in their work. Weeds usually grow alongside crops, reducing the production of that crop. Weeds are controlled by herbicides. The pesticide may harm the crop as well if the type of weed isn’t identified. In order to control weeds on farms, it is required to identify and classify them. Convolutional Network or CNN, a deep learning-based computer vision technology, is used to evaluate images. A methodology is proposed to detect weed using convolutional neural networks. There were two primary phases in this

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V, Tharun, Madukar Reddy D, M. S. Hema, and V. Abhilash. "Weed Detection Using Convolutional Neural Network." BOHR International Journal of Computer Science 1, no. 1 (2023): 47–50. http://dx.doi.org/10.54646/bijcs.2022.08.

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Precision agriculture relies heavily on information technology, which also aids agronomists in their work. Weeds usually grow alongside crops, reducing the production of that crop. They are controlled by herbicides. The pesticide may harm the crop as well if the type of weed is not identified. To control weeds on farms, it is required to identify and classify them. A convolutional network or CNN, a deep learning-based computer vision technology, is used to evaluate images. A methodology is proposed to detect weeds using convolutional neural networks. There were two primary phases in this propo

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Weihrich, Richard, Wenjie Yan, Jan Rothballer, et al. "Tuneable anisotropy and magnetism in Sn2Co3S2−xSex – probed by 119Sn Mößbauer spectroscopy and DFT studies." Dalton Transactions 44, no. 36 (2015): 15855–64. http://dx.doi.org/10.1039/c5dt02036k.

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Wang, Jinfeng, and Xuegang Wang. "Two new methods for facial expression recognition using Convolutional Neural Networks." Journal of Physics: Conference Series 2031, no. 1 (2021): 012023. http://dx.doi.org/10.1088/1742-6596/2031/1/012023.

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Abstract In this research, we propose two novel methods for facial expression recognition to improve the accuracy of recognition. The first of our novel approach is to add the Batch Normalization (BN) layer to the CNN model, and the second of the novel approach is to preprocess the image before image training, such as rotating image, cropping the image and adding Gaussian noise in the picture, especially it is beneficial for unbalanced classifications. Our model consists of 3 CNN layers, 3 BN layers, three average-pooling layers, and three fully-connected layers; our model has a satisfying per

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Siswanto, Joko, Benny Daniawan, Haryani Haryani, and Pipit Rusmandani. "Testing Of Deep Learning-Based LSTM Model For Number Of Road Accidents Predicting." Jurnal Sains, Nalar, dan Aplikasi Teknologi Informasi 3, no. 3 (2024): 95–103. http://dx.doi.org/10.20885/snati.v3.i3.37.

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Many have used the prediction of the number of road accidents, but it is still rare to find those who use and test prediction models that are not suitable. Predictive models that have been used to predict road accidents have proven successful, but have not provided model testing with data that is different from the deep learning approach. The LSTM model test is proposed to be tested with 5 different datasets from Kaggle and 3 hidden layer variations. The test results of the LSTM model are that with variations of 4 hidden layers it can achieve higher accuracy results than those without hidden l

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Smart, Megan M., Tiffany M. Smith Pellizzeri, Gregory Morrison, Colin D. McMillen, Hans-Conrad zur Loye, and Joseph W. Kolis. "Ferrite Materials Containing Kagomé Layers: Chemistry of Ba2Fe11Ge2O22 and K2Co4V9O22 Hexaferrites." Chemistry of Materials 33, no. 7 (2021): 2258–66. http://dx.doi.org/10.1021/acs.chemmater.0c03852.

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Phani, A. Srikantha, and Norman A. Fleck. "Elastic Boundary Layers in Two-Dimensional Isotropic Lattices." Journal of Applied Mechanics 75, no. 2 (2008). http://dx.doi.org/10.1115/1.2775503.

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The phenomenon of elastic boundary layers under quasistatic loading is investigated using the Floquet–Bloch formalism for two-dimensional, isotropic, periodic lattices. The elastic boundary layer is a region of localized elastic deformation, confined to the free edge of a lattice. Boundary layer phenomena in three isotropic lattice topologies are investigated: the semiregular Kagome lattice, the regular hexagonal lattice, and the regular fully triangulated lattice. The boundary layer depth is on the order of the strut length for the hexagonal and the fully triangulated lattices. For the Kagome

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Gibson, Quinn D., Dongsheng Wen, Hai Lin, et al. "Control of Polarity in Kagome‐NiAs Bismuthides." Angewandte Chemie International Edition, March 12, 2024. http://dx.doi.org/10.1002/anie.202403670.

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A 2×2×1 superstructure of the P63/mmc NiAs structure is reported in which kagome nets are stabilized in the octahedral transition metal layers of the compounds Ni0.7Pd0.2Bi, Ni0.6Pt0.4Bi, and Mn0.99Pd0.01Bi. The ordered vacancies that yield the true hexagonal kagome motif lead to filling of trigonal bipyramidal interstitial sites with the transition metal in this family of “kagome‐NiAs” type materials. Further ordering of vacancies within these interstitial layers can be compositionally driven to simultaneously yield kagome‐connected layers and a net polarization along the c axes in Ni0.9Bi an

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Gibson, Quinn D., Dongsheng Wen, Hai Lin, et al. "Control of Polarity in Kagome‐NiAs Bismuthides." Angewandte Chemie, March 12, 2024. http://dx.doi.org/10.1002/ange.202403670.

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A 2×2×1 superstructure of the P63/mmc NiAs structure is reported in which kagome nets are stabilized in the octahedral transition metal layers of the compounds Ni0.7Pd0.2Bi, Ni0.6Pt0.4Bi, and Mn0.99Pd0.01Bi. The ordered vacancies that yield the true hexagonal kagome motif lead to filling of trigonal bipyramidal interstitial sites with the transition metal in this family of “kagome‐NiAs” type materials. Further ordering of vacancies within these interstitial layers can be compositionally driven to simultaneously yield kagome‐connected layers and a net polarization along the c axes in Ni0.9Bi an

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Riberolles, S. X. M., Tyler J. Slade, Tianxiong Han, et al. "Chiral and flat-band magnetic quasiparticles in ferromagnetic and metallic kagome layers." Nature Communications 15, no. 1 (2024). http://dx.doi.org/10.1038/s41467-024-45841-8.

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AbstractMagnetic kagome metals are a promising platform to develop unique quantum transport and optical phenomena caused by the interplay between topological electronic bands, strong correlations, and magnetic order. This interplay may result in exotic quasiparticles that describe the coupled electronic and spin excitations on the frustrated kagome lattice. Here, we observe novel elementary magnetic excitations within the ferromagnetic Mn kagome layers in TbMn6Sn6 using inelastic neutron scattering. We observe sharp, collective acoustic magnons and identify flat-band magnons that are localized

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Li, Man, Huan Ma, Rui Lou, and Shancai Wang. "Electronic band structures of topological kagome materials." Chinese Physics B, November 14, 2024. http://dx.doi.org/10.1088/1674-1056/ad925d.

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Abstract The kagome lattice has garnered significant attention due to its ability to host quantum spin Fermi liquid states. Recently, the combination of unique lattice geometry, electron-electron correlations, and adjustable magnetism in solid kagome materials has led to the discovery of numerous fascinating quantum properties. These include unconventional superconductivity, charge and spin density waves (CDW/SDW), pair density waves (PDW), and Chern insulator phases. These emergent states are closely associated with the distinctive characteristics of the kagome lattice's electronic structure,

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Zhang, Huimin, Basu Dev Oli, Qiang Zou, Xu Guo, Zhengfei Wang, and Lian Li. "Visualizing symmetry-breaking electronic orders in epitaxial Kagome magnet FeSn films." Nature Communications 14, no. 1 (2023). http://dx.doi.org/10.1038/s41467-023-41831-4.

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AbstractKagome lattice hosts a plethora of quantum states arising from the interplay of topology, spin-orbit coupling, and electron correlations. Here, we report symmetry-breaking electronic orders tunable by an applied magnetic field in a model Kagome magnet FeSn consisting of alternating stacks of two-dimensional Fe3Sn Kagome and Sn2 honeycomb layers. On the Fe3Sn layer terminated FeSn thin films epitaxially grown on SrTiO3(111) substrates, we observe trimerization of the Kagome lattice using scanning tunneling microscopy/spectroscopy, breaking its six-fold rotational symmetry while preservi

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Yang, T. Y., Q. Wan, J. P. Song, et al. "Fermi-level flat band in a kagome magnet." Quantum Frontiers 1, no. 1 (2022). http://dx.doi.org/10.1007/s44214-022-00017-7.

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AbstractThe band structure in a kagome lattice can naturally exhibit flat band, Dirac cones, and van Hove singularity, enabling rich interplays between correlation and topology. However, the flat band is rarely detected just at the Fermi level in kagome materials, which would be crucial to realize emergent flat band physics. Here, combining angle-resolved photoemission spectroscopy, transport measurements and first-principles calculation, we observe a striking Fermi-level flat band in paramagnetic YCr6Ge6 as a typical signature of electronic kagome lattice. We explicitly unveil that orbital ch

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de Rojas, Julius, Del Atkinson, and Adekunle Olusola Adeyeye. "Tailoring magnon modes by extending square, kagome, and trigonal spin ice lattices vertically via interlayer coupling of trilayer nanomagnets." Journal of Physics: Condensed Matter, June 28, 2024. http://dx.doi.org/10.1088/1361-648x/ad5d3f.

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Abstract In this work high-frequency magnetization dynamics and statics of artificial spin-ice lattices with different geometric nanostructure array configurations are studied where the individual nanostructures are composed of ferromagnetic/non-magnetic/ferromagnetic trilayers with different non-magnetic thicknesses. These thickness variations enable additional control over the magnetic interactions within the spin-ice lattice that directly impacts the resulting magnetization dynamics and the associated magnonic modes. Specifically the geometric arrangements studied are square, kagome and tri

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Ding, Jianyang, Zhonghao Liu, Ningning Zhao, et al. "Kagome surface states and weak electronic correlation in vanadium-kagome metals." Journal of Physics: Condensed Matter, June 28, 2023. http://dx.doi.org/10.1088/1361-648x/ace2a2.

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Abstract RV6Sn6 (R = Y and lanthanides) with two-dimensional vanadium-kagome surface states is an ideal platform to investigate kagome physics and manipulate the kagome features to realize novel phenomena. Utilizing the micron-scale spatially resolved angle-resolved photoemission spectroscopy and ﬁrst-principles calculations, we report a systematical study of the electronic structures of RV6Sn6 (R = Gd, Tb, and Lu) on the two cleaved surfaces, i.e., the V- and RSn1-terminated (001) surfaces. The calculated bands without any renormalization match well with the main ARPES dispersive features, in

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