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Co$_3$Sn$_2$S$_2$ is a ferromagnetic semi-metal with Weyl nodes in its band structure and a large anomalous Hall effect below its Curie temperature of 177 K. We present a detailed study of its Fermi surface and examine the relevance of the…

Mesoscale and Nanoscale Physics · Physics 2021-09-22 Linchao Ding , Jahyun Koo , Changjiang Yi , Liangcai Xu , Huakun Zuo , Meng Yang , Youguo Shi , Binghai Yan , Kamran Behnia , Zengwei Zhu

We report the magnetic and magnetotransport properties with electronic band structure calculation of the Bi square net system PrAgBi$_2$. The magnetization and heat capacity data confirm the presence of a crystalline electric field (CEF)…

Strongly Correlated Electrons · Physics 2025-02-05 Sudip Malick , Hanna Świątek , Michał J Winiarski , Tomasz Klimczuk

In contrast to the previous reports that the divalent perovskite SrCrO$_3$ was believed to be cubic structure and nonmagnetic metal, recent measurements suggest coexistence of majority tetragonally distorted weak antiferromagnetic phase and…

Strongly Correlated Electrons · Physics 2009-10-01 K. -W. Lee , W. E. Pickett

In this work we study the de Haas van Alfhen (dHvA) effect for neutral atoms with a nonvanishing magnetic moment interacting with an electric field. Considering the particles confined in a two dimensional (2D) atomic cloud and using the…

Quantum Physics · Physics 2016-07-20 B. Farias , Claudio Furtado

We performed de Haas-van Alphen (dHvA) experiments in the spin-triplet superconductor UTe2 for magnetic field along the c-axis above 15T. Three fundamental dHvA frequencies, named alpha1, alpha2 and beta corresponding to the cross sections…

Strongly Correlated Electrons · Physics 2023-05-17 Dai Aoki , Ilya Sheikin , Alix McCollam , Jun Ishizuka , Youichi Yanase , Gerard Lapertot , Jacques Flouquet , Georg Knebel

Anomalous Hall effect (AHE) emerged in antiferromagnetic metals shows intriguing physics and application potential. In contrast to certain noncollinear antiferromagnets, rutile RuO$_2$ has been proposed recently to exhibit a…

{\alpha}-CaCr2O4 is a distorted triangular antiferromagnet. The magnetic Cr3+ ions which have spin-3/2 and interact with their nearest neighbors via Heisenberg direct exchange interactions, develop long-range magnetic order below T_N=42.6…

Strongly Correlated Electrons · Physics 2011-11-22 S. Tóth , B. Lake , S. A. J. Kimber , O. Pieper , M. Reehuis , A. T. M. N. Islam , O. Zaharko , C. Ritter , A. H. Hill , H. Ryll , D. N. Argyriou , A. J. Williams

Metals composed of weakly-coupled, stacked layers possess a Fermi surface that slightly varies in size along the stacking direction. This appears in de Haas-van Alphen (dHvA) oscillations of the magnetisation with magnetic field as two…

Mesoscale and Nanoscale Physics · Physics 2021-10-29 Andrew A. Allocca , Nigel R. Cooper

We theoretically study the anomalous Hall effect (AHE) in perovskites with antiferromagnetic (AFM) orderings. By studying the multiorbital Hubbard model for $d$ electrons in perovskite transition metal oxides under the GdFeO$_3$-type…

Strongly Correlated Electrons · Physics 2022-12-07 Makoto Naka , Yukitoshi Motome , Hitoshi Seo

We report detailed measurements of the de Haas-van Alphen (dHvA) effect in BaFe_2P_2 which is the end member of the superconducting series, BaFe_2(As_{1-x}P_x)_2. Using high purity samples we are able to observe dHvA oscillations from all…

Superconductivity · Physics 2011-09-12 B. J. Arnold , S. Kasahara , A. I. Coldea , T. Terashima , Y. Matsuda , T. Shibauchi , A. Carrington

The structural and magnetic anomaly of the layered compound SrFeO$_{2}$ were examined by first principles density functional calculations and Monte Carlo simulations. The down-spin Fe 3$d$ electron occupies the $d_{z^2}$ level rather than…

Materials Science · Physics 2008-04-25 H. J. Xiang , Su-Huai Wei , M. -H. Whangbo

Recent density functional theory (DFT) calculations for KFe2As2 have shown to be insufficient to satisfactorily describe angle-resolved photoemission (ARPES) measurements as well as observed de Haas van Alphen (dHvA) frequencies. In the…

Strongly Correlated Electrons · Physics 2014-08-21 Steffen Backes , Daniel Guterding , Harald O. Jeschke , Roser Valenti

We study the Hall and Nernst effects across the antiferromagnetic transition that reconstructs the quasi-2D Fermi surface of the metallic local moment antiferromagnet PdCrO$_2$. We show that non- monotonic temperature dependence in the Hall…

Mesoscale and Nanoscale Physics · Physics 2016-01-07 Ramzy Daou , Raymond Frésard , Sylvie Hébert , Antoine Maignan

The de Haas - van Alphen effect in two-dimensional (2D) metals is investigated at different conditions and with different shapes of Landau levels (LLs). The analytical calculations can be done when many LLs are occupied. We consider the…

Statistical Mechanics · Physics 2007-05-23 P. D. Grigoriev , I. D. Vagner

The planar Hall effect (PHE), wherein a rotating magnetic field in the plane of a sample induces oscillating transverse voltage, has recently garnered attention in a wide range of topological metals and insulators. The observed twofold…

Mesoscale and Nanoscale Physics · Physics 2021-03-25 D. Huang , H. Nakamura , H. Takagi

We report the magnetoresistance, Hall effect, de Haas-van Alphen (dHvA) oscillations and the electronic structures of single crystal RhSn, which is a typical material of CoSi family holding a large Chern number. The large unsaturated…

Mesoscale and Nanoscale Physics · Physics 2020-01-01 Sheng Xu , Liqin Zhou , Huan Wang , Xiao-Yan Wang , Yuan Su , Peng Cheng , Hongming Weng , Tian-Long Xia

Intrinsic antiferromagnetism in van der Waals (vdW) monolayer (ML) crystals enriches the understanding regarding two-dimensional (2D) magnetic orders and holds special virtues over ferromagnetism in spintronic applications. However, the…

Metallic amorphous ferrimagnets derived from alloying 3d transition metals with 4f electron rare earths host fascinating effects of compensation between the 3d and 4f magnetic sublattices. Here, a detailed study of anisotropic…

Mesoscale and Nanoscale Physics · Physics 2025-01-17 Ramesh C Budhani , Rajeev Nepal , Vinay Sharma , Jerzy Sadowski

The de Haas - van Alphen (dHvA) effect in the cluster superconductor ZrB12 was studied by magnetic torque measurements in magnetic fields up to 28 T at temperatures down to 0.35 K. The dHvA oscillations due to orbits from the Neck sections…

Superconductivity · Physics 2007-10-26 V. A. Gasparov , I. Sheikin , F. Levy , J. Teyssier , G. Santi

Partially disordered antiferro (PDA) magnetism (in which one of the three magnetic ions in a triangular network remains magnetically disordered), has been known commonly among geometrically frustrated insulating materials. The one-third…

Strongly Correlated Electrons · Physics 2023-09-18 Kartik K Iyer , Kalobaran Maiti , Sudhindra Rayaprol , Ram Kumar , S. Mattepanavar , S. Dodamani , E. V. Sampathkumaran