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Related papers: Correlation stabilized ferromagnetic MnRuAs with d…

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Based on first-principles electron structure calculations and employing the frozen-magnon approximation we study the exchange interactions in a series of transition-metal binary alloys crystallizing in the zinc-blende structure and…

Materials Science · Physics 2009-11-11 E. Sasioglu , I. Galanakis , L. M. Sandratskii , P. Bruno

We report a detailed study of the magnetic properties, critical analysis of magnetization, and magnetocaloric effect of a spin-$2$ kagome lattice YCa$_3$(MnO)$_3$(BO$_3$)$_4$. The experiments are complemented by the density functional band…

Materials Science · Physics 2025-07-29 A. Choudhary , A. Magar , S. Ghosh , S. Kanungo , R. Nath

Two-dimensional (2D) metallic lattices with kagome topology provide a unique platform for exploring the interplay between geometric frustration, reduced coordination, and lattice stability in elemental systems. Motivated by the recent…

We have experimentally identified a new magnetic ground state for the kagome lattice, in the perfectly hexagonal Fe2+ (3d6, S = 2) compound Fe4Si2Sn7O16. Representational symmetry analysis of neutron diffraction data shows that below T_N =…

Strongly Correlated Electrons · Physics 2017-11-22 C. D. Ling , M. C. Allison , S. Schmid , M. Adveev , J. S. Gardner , C. -W. Wang , D. H. Ryan , M. Zbiri , T. Soehnel

V-based Kagome metals exhibit a unique lattice geometry that can give rise to exotic electronic and magnetic phenomena, making them an ideal platform to study the interplay of topology and magnetism. We present a combined thermodynamic and…

Strongly Correlated Electrons · Physics 2026-01-15 Sheetal Devi , Yishui Zhou , Thomas J. Hicken , Zurab Guguchia , Hubertus Luetkens , Min-Kai Lee , Lieh-Jeng Chang , Yixi Su

By means of the density functional theory in combination with the dynamical mean-field theory, we tried to examine the electronic structure of hexagonal FeGe, in which the Fe atoms form a quasi-2D layered Kagome lattice. We predict that it…

Strongly Correlated Electrons · Physics 2020-09-18 Li Huang , Haiyan Lu

The different crystal structures of ferromagnetic Ni$_2$MnGa have been calculated using density functional theory (DFT) with special emphasis on the modulated structures 10M and 14M. These are important for understanding the stability of…

Materials Science · Physics 2007-05-23 A. Zayak , W. A. Adeagbo , P. Entel , V. D. Buchelnikov

The square-kagome lattice, composed of two-dimensional corner-sharing triangles, provides a novel platform for studying frustrated magnetism. However, material realizations of the square-kagome lattice remain scarce. Here, we report the…

Strongly Correlated Electrons · Physics 2026-05-04 Jingjing Jing , Andreas Eich , Yiqiu Liu , Lunhua He , Aifeng Wang , Yisheng Chai , Young Sun , Yi Cui , Weiqiang Yu , Xinrun Mi , Michael Merz , Mingquan He

The exploration of tunable superconductivity in strongly correlated electron systems is a central pursuit in condensed matter physics, with implications for both fundamental understanding and potential applications. The Laves phase…

The spiral magnetic structure and underlying spin lattice of BiMnFe2O6 are investigated by low-temperature neutron powder diffraction and density functional theory band structure calculations. In spite of the random distribution of the Mn3+…

We study energetic, magnetic, and electronic properties of diluted substitutional Mn-pairs on the reconstructed $(001)$ GaAs surfaces. The studies are based on first-principles calculations in the framework of the density functional theory.…

Materials Science · Physics 2017-03-29 M. Birowska , C. Śliwa , J. A. Majewski

The electric-current stabilized semi-metallic state in the quasi-two-dimensional Mott insulator Ca$_2$RuO$_4$ exhibits an exceptionally strong diamagnetism. Through a comprehensive study using neutron and X-ray diffraction, we show that…

Using first-principles calculations, we studied Mn$_2$RuZ (Z=Al, Ga, Si, Ge) and their heterojunctions with MgO along (001) direction. All these alloys possess Hg$_2$CuTi-type inverse Heusler alloy structure and ferrimagnetic ground state.…

Materials Science · Physics 2021-05-26 Tufan Roy , Masahito Tsujikawa , Masafumi Shirai

The magnetic properties, electronic band structure and Fermi surfaces of the hexagonal Cr2GeC system have been studied by means of both generalized gradient approximation (GGA) and the +U corrected method (GGA+U). The effective U value has…

Materials Science · Physics 2013-12-04 Maurizio Mattesini , Martin Magnuson

The kagome lattice based on 3d transition metals is a versatile platform for novel topological phases hosting symmetry-protected electronic excitations and exotic magnetic ground states. However, the paradigmatic states of the idealized…

New insights into the microscopic origin of itinerant ferromagnetism were recently gained from investigations of electronic lattice models within dynamical mean-field theory (DMFT). In particular, it is now established that even in the…

Strongly Correlated Electrons · Physics 2007-05-23 D. Vollhardt , N. Blümer , K. Held , M. Kollar

The kagome motif is a versatile platform for condensed matter physics, hosting rich interactions between magnetic, electronic, and structural degrees of freedom. In recent years, the discovery of a charge density wave (CDW) in the…

We present a systematic study of the structural, magnetic, and transport properties of hexagonal Mn3-xGa alloys, revealing a series of composition-controlled emergent phenomena. By tuning the Mn concentration, we uncover distinct lattice…

Materials Science · Physics 2026-04-02 Linxuan Song , Feng Zhou , Guilin Lu , Liang Yao , Xuekui Xi , Yong-Chang Lau , Youguo Shi , Wenhong Wang

PbCuTe2O6 is a rare example of a spin liquid candidate featuring a three dimensional magnetic lattice. Strong geometric frustration arises from the dominant antiferromagnetic interaction which generates a hyperkagome network of Cu2+ ions…

Strongly Correlated Electrons · Physics 2016-03-14 P. Khuntia , F. Bert , P. Mendels , B. Koteswararao , A. V. Mahajan , M. Baenitz , F. C. Chou , C. Baines , A. Amato , Y. Furukawa

We report crystal structure, electronic structure, and magnetism of manganese tetraboride, MnB4, synthesized under high-pressure high-temperature conditions. In contrast to superconducting FeB4 and metallic CrB4, which are both…