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Related papers: Double-layer Kagome Metals Pt3Tl2 and Pt3In2

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Kagome magnets are expected to feature emergent properties due to the interplays among geometry, magnetism, electronic correlation, and band topology. The magnetism and topological electronic states can be tuned via the rare earth…

Strongly Correlated Electrons · Physics 2023-03-02 Xing Huang , Zhiqiang Cui , Chaoxin Huang , Mengwu Huo , Hui Liu , Jingyuan Li , Feixiang Liang , Lan Chen , Hualei Sun , Bing Shen , Yunwei Zhang , Meng Wang

We present a high-resolution single crystal x-ray diffraction study of kagome-superconductor \cvs, exploring its response to variations in pressure and temperature. We discover that at low temperatures, the structural modulations of the…

We systematically measure the superconducting (SC) and mixed state properties of high-quality CsV3Sb5 single crystals with Tc ~ 3.5 K. We find that the upper critical field Hc2(T) exhibits a large anisotropic ratio of Hc2^(ab)/Hc2^(c) ~ 9…

The Kondo lattice, describing a matrix of local magnetic moments coupled via spin-exchange interactions to itinerant conduction electrons, is a prototype of strongly correlated quantum matter. Traditionally, Kondo lattices are realized in…

Strongly Correlated Electrons · Physics 2023-04-26 Wenjin Zhao , Bowen Shen , Zui Tao , Zhongdong Han , Kaifei Kang , Kenji Watanabe , Takashi Taniguchi , Kin Fai Mak , Jie Shan

Magnetic materials with kagome crystal structure exhibit rich physics such as frustrated magnetism, skyrmion formation, topological flat bands, and Dirac/Weyl points. Until recently, most studies on kagome magnets have been performed on…

Recent experimental observations of magnetization plateau in metallic tetraboride $\textrm{TmB}_{4}$ have created a lot of interest in these class of materials. Hysteretic longitudinal resistance and anomalous Hall Effect are other…

Strongly Correlated Electrons · Physics 2018-09-11 Nandan Pakhira , Jyoti Krishna , S. Nandy , T. Maitra , A Taraphder

By combining bulk sensitive soft-X-ray angular-resolved photoemission spectroscopy and accurate first-principles calculations we explored the bulk electronic properties of WTe$_2$, a candidate type-II Weyl semimetal featuring a large…

Using projector augmented wave approach within the generalized gradient approximation, we have studied the structural property and electronic structure of ZrB12. The calculated lattice constants and bulk modulus are in good agreement with…

Materials Science · Physics 2007-05-23 Z. F. Hou

The $RT_3$B$_2$ ($R=$Y, Lu, $T=$ Co, Os) family hosts a perfect kagome lattice of $T$ atoms, offering an interesting platform to investigate the interplay of electronic structure, superconductivity, and lattice dynamics. Here, we compare…

Strongly Correlated Electrons · Physics 2025-07-08 Savita Chaudhary , Armando Consiglio , Jaskaran Singh , Domenico Di Sante , Ronny Thomale , Yogesh Singh

Shandite with Ni$_{3}$Pb$_{2}$S$_{2}$ chemical formula and R$\bar{3}$m symmetry, contains the kagome sublattice formed by the transition metal atoms. Recent experimental results confirmed the possibility of successfully synthesizing…

Materials Science · Physics 2025-04-01 Surajit Basak , Aksel Kobiałka , Andrzej Ptok

Physical properties of polycrystalline CeCrGe$_{3}$ and LaCrGe$_{3}$ have been investigated by x-ray absorption spectroscopy, magnetic susceptibility $\chi(T)$, isothermal magnetization M(H), electrical resistivity $\rho(T)$, specific heat…

Strongly Correlated Electrons · Physics 2014-02-21 Debarchan Das , T. Gruner , H. Pfau , U. B. Paramanik , U. Burkhardt , C. Geibel , Z. Hossain

By means of the first-principles calculations, we have studied in details the structural, elastic and electronic properties of the new tetragonal CaBe2Ge2-type 5.2K superconductor SrPt2As2 in comparison with two hypothetical SrPt2As2…

Superconductivity · Physics 2011-01-28 I. R. Shein , A. L. Ivanovskii

The interest in the physical properties of kagome lattices has risen considerably. In addition to the synthesis of new materials, the possibility of realizing ultracold atoms on an optical kagome lattice (KL) raises interesting issues. For…

Strongly Correlated Electrons · Physics 2023-04-26 Lucas O. Lima , Andressa R. Medeiros-Silva , Raimundo R. dos Santos , Thereza Paiva , Natanael C. Costa

We investigate the low-energy collective charge excitations (plasmons, holons) in metallic atomic wires deposited on semiconducting substrates. These systems are described by two-dimensional correlated models representing strongly…

Strongly Correlated Electrons · Physics 2020-06-24 Eric Jeckelmann

The interplay of superconductivity with electronic and structural instabilities on the kagome lattice provides a fertile ground for the emergence of unusual phenomena. The vanadium-based kagome metals $A$V$_3$Sb$_5$ ($A=$ K, Rb, Cs) exhibit…

Kagome materials have become solid grounds to study the interplay among geometry, topology, correlation, and magnetism. Recently, semiconductors Nb3X8(X = Cl, Br, I) have been predicted to be two-dimensional (2D) magnets and importantly…

We report LDA calculated band structure, densities of states and Fermi surfaces for recently discovered Pt-pnictide superconductors APt3P (A=Ca,Sr,La), confirming their multiple band nature. Electronic structure is essentially three…

Superconductivity · Physics 2015-03-20 I. A. Nekrasov , M. V. Sadovskii

Strongly correlated Fermi systems are among the most intriguing and fundamental systems in physics, whose realization in some compounds is still to be discovered. We show that herbertsmithite ZnCu_3(OH)_6Cl_2 can be viewed as a strongly…

Strongly Correlated Electrons · Physics 2015-05-27 V. R. Shaginyan , A. Z. Msezane , K. G. Popov

We report magnetic behavior of two intermetallics-based kagome lattices, Tb3Ru4Al12 and Er3Ru4Al12, crystallizing in the Gd3Ru4Al12-type hexagonal crystal structure, by measurements in the range 1.8-300 K with bulk experimental techniques…

Strongly Correlated Electrons · Physics 2017-08-02 Sanjay Kumar Upadhyay , Kartik K Iyer , E. V. Sampathkumaran

Kagome materials have attracted enormous research interest recently owing to their diverse topological phases and manifestation of electronic correlation. Here, we present the electronic structure of a distorted ferromagnetic kagome metal,…