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We investigated the magnetic properties of the ilmenite-type iridate CdIrO$_3$ with a honeycomb lattice formed by Ir$^{4+}$ ions prepared via a solid-state metathesis. The magnetization measurements with using the powder sample reveal a…

Strongly Correlated Electrons · Physics 2020-04-20 Yuya Haraguchi , Hiroko Aruga Katori

We report on the quasi-two-dimensional magnetism of the natural mineral diaboleite Pb2Cu(OH)4Cl2 with a tetragonal crystal structure, which is closely related to that of the frustrated spin-1/2 magnet PbVO3. Magnetic susceptibility of…

Materials Science · Physics 2013-02-15 Alexander A. Tsirlin , Oleg Janson , Stefan Lebernegg , Helge Rosner

Recent experimental and theoretical work has focused on two-dimensional van der Waals (2D vdW) magnets due to their potential applications in sensing and spintronics devises. In measurements of these emerging materials, conventional…

Mesoscale and Nanoscale Physics · Physics 2024-10-15 Qi Li , Weili Zhen , Ning Wang , Meng Shi , Yang Yu , Senyang Pan , Lin Deng , Jiaqiang Cai , Kang Wang , Lvkuan Zou , Zhongming Zeng , Jinglei Zhang

There has been a long-standing debate on the coexistence between itinerant electrons and localized spins in the PdCrO$_2$ delafossite. By means of the charge self-consistent combination of density functional theory and dynamical mean-field…

Strongly Correlated Electrons · Physics 2018-08-21 Frank Lechermann

Magnetodielectric (MD) materials are important for their ability to spin-charge conversion, magnetic field control of electric polarization and vice versa. Among these, two-dimensional (2D) van der Waals (vdW) magnetic materials are of…

Materials Science · Physics 2025-02-26 Koushik Dey , Hasina Khatun , Anudeepa Ghosh , Soumik Das , Bikash Das , Subhadeep Datta

In the triangular layered magnet PdCrO2 the intralayer magnetic interactions are strong, however the lattice structure frustrates interlayer interactions. In spite of this, long-range, 120$^\circ$ antiferromagnetic order condenses at $T_N =…

An electronic solid with itinerant carriers and localized magnetic moments represents a paradigmatic strongly correlated system. The electrical transport properties associated with the itinerant carriers, as they scatter off these local…

Strongly Correlated Electrons · Physics 2023-09-04 J. F. Mendez-Valderrama , Evyatar Tulipman , Elina Zhakina , Andrew P. Mackenzie , Erez Berg , Debanjan Chowdhury

The discovery of two-dimensional (2D) van der Waals magnets opened unprecedented opportunities for the fundamental exploration of magnetism in quantum materials and the realization of next generation spintronic devices. Here, based on a…

Mesoscale and Nanoscale Physics · Physics 2022-09-28 Nihad Abuawwad , Manuel dos Santos Dias , Hazem Abusara , Samir Lounis

Atomically-thin magnetic crystals have been recently isolated experimentally, greatly expanding the family of two-dimensional materials. In this Article we present an extensive comparative analysis of the electronic and magnetic properties…

Strongly Correlated Electrons · Physics 2019-09-06 Guido Menichetti , Matteo Calandra , Marco Polini

Two perovskite-derived materials, CaCu3Mn4O12 and CaCu3Ti4O12, have drawn much recent interest due to their magnetoresistive, dielectric, and magnetoelectronic characteristics. Here we present initial theoretical insights into each of these…

Materials Science · Physics 2007-05-23 M. D. Johannes , W. E. Pickett , R. Weht

Cubic perovskite-structure ABO$_3$ and A$_{1-x}$A$^{\prime}$$_x$BO$_3$-type oxides have been investigated extensively while their hexagonal-structure versions have received minimal attention, even though they are multiferroic and can form…

Materials Science · Physics 2024-01-29 M. J. Swamynadhan , Andrew O'Hara , Saurabh Ghosh , Sokrates T. Pantelides

A model of magnetic interaction of CrO$_2$ and Pd hexagonal layers in PdCrO$_2$ is proposed. Since Cr-O-Pd bridges do not provide an interlayer magnetic coupling in case of a 120$^0$ magnetic ordering, a direct exchange interaction between…

Strongly Correlated Electrons · Physics 2020-06-11 Yu. B. Kudasov

The magnetic and dielectric properties under high magnetic fields are studied in the single crystal of Cu3Mo2O9. This multiferroic compound has distorted tetrahedral spin chains. The effects of the quasi-one dimensionality and the…

Strongly Correlated Electrons · Physics 2013-11-13 H. Kuroe , K. Aoki , R. Kino , T. Sato , H. Kuwahara , T. Sekine , T Kihara , M. Akaki , Y. Kohama , M. Tokunaga , A. Matsuo , K. Kindo , M. Hase , K. Takehana , H. Kitazawa , K. Oka , T. Ito , H. Eisaki

We report the synthesis and properties of two new insulating phases of SrFeO3-d with introduction of oxygen deficiencies in metallic SrFeO3 ; one with 0.15 < d < 0.19 (sample A)and the other above d = 0.19 (sample B). Sample A shows large…

Materials Science · Physics 2009-11-11 S. Srinath , M. Mahesh Kumar , M. L. Post , H. Srikanth

Calculations of the electronic and magnetic properties of the non-magnetic metallic compound YFe$_2$Si$_2$ are reported. These show that at the density functional level a magnetic state involving ordering along the $c$-axis. The electronic…

Strongly Correlated Electrons · Physics 2016-06-30 D. J. Singh

Based on density functional theory calculations, we elucidated the origin of multifunctional properties for cubic antiperovskites with noncollinear magnetic ground states, which can be attributed to strong isotropic and anisotropic…

The advent of magnetic two-dimensional electron gases (2DEGs) at oxide interfaces has provided new opportunities in the field of spintronics. The enhancement of magnetism in 2DEGs at oxide interfaces continues to be a significant challenge,…

Altermagnetism, a newly discovered magnetic phase, has spurred growing research activity. Studies from a perspective of dynamical electronic correlation still remain scarce. Employing density functional theory plus dynamical mean-field…

Strongly Correlated Electrons · Physics 2025-08-04 Zhenfeng Ouyang , Peng-Jie Guo , Rong-Qiang He , Zhong-Yi Lu

The electronic and magnetic structures of A2CrN3 (A = Ce, U) ternary compounds calculated based on band magnetism within DFT exhibit different behaviors of the nf elements (n = 4, 5 resp.). Charge analysis allows to formally express the two…

Materials Science · Physics 2018-08-30 Samir F. Matar , Charbel N. Kfoury

Two-dimensional (2D) magnets have attracted significant attentions in recent years due to their importance in the research on both fundamental physics and spintronic applications. Here, we report the discovery of a new ternary compound…