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Related papers: Strain-tunable magnetic and magnonic states in Ni-…

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We present a detailed study of magnetization, resistivity, heat capacity, and X-ray and neutron powder diffraction measurements performed on single crystals of non-stoichiometric CeAuBi$_2$, Au deficiency 18$\%$, a strongly correlated…

Following the recent isolation of monolayer CrI3, there has been a surge of new two-dimensional van der Waals magnetic materials, whose incorporation in van der Waals heterostructures offers a new platform for spintronics, proximity…

Twist between neighboring layers and variation of interlayer distance are two extra ways to control the physical properties of stacked two-dimensional van der Waals materials without alteration of chemical compositions or application of…

Materials Science · Physics 2024-04-19 Li-Ya Qiao , Xiu-Cai Jiang , Ze Ruan , Yu-Zhong Zhang

Long-range magnetic orders in atomically thin ferromagnetic CrI3 give rise to new fascinating physics and application perspectives. The physical properties of two-dimensional (2D) ferromagnetism CrI3 are significantly influenced by…

Materials Science · Physics 2019-11-13 Kai Guo , Bowen Deng , Zhongtai Shi , Yue Li , Xin Wang , Lei Bi , Li Zhang , Haipeng Lu , Peiheng Zhou , Linbo Zhang , Yingchun Cheng , Bo Peng

Chromium triiodide, CrI$_3$, is emerging as a promising magnetic two-dimensional semiconductor where spins are ferromagnetically aligned within a single layer. Potential applications in spintronics arise from an antiferromagnetic ordering…

Binary transition metal nitride with a graphene-like structure and strong magnetic properties is rare. Based on the first-principles calculations, we design two kinds of $M$N$_4$ ($M$ =transition metal) monolayers, which are transition…

Materials Science · Physics 2024-06-19 Shuo Zhang , Panjun Feng , Dapeng Liu , Hongfen Wu , Miao Gao , Tongshuai Xu , Xun-Wang Yan , Z. Y. Xie

The effect of uniaxial strain on electronic structure and magnetism in LaMnO$_3$ is studied from a model Hamiltonian that illustrates the competition between the Jahn-Teller, super exchange, and double exchange interactions. We retain in…

Materials Science · Physics 2010-12-07 B. R. K. Nanda , S. Satpathy

We report a giant linear magnetoelectric coupling in strained BiMnO3 thin films in which the disorder associated with an islanded morphology gives rise to extrinsic relaxor ferroelectricity that is not present in bulk centrosymmetric…

Materials Science · Physics 2016-04-13 Patrick R. Mickel , Hyoungjeen Jeen , Pradeep Kumar , Amlan Biswas , Arthur F. Hebard

We thoroughly study the zero temperature properties of monoaxial chiral spin systems under a tilted magnetic field. The magnetic phase diagram includes two kinds of continuous phase transitions and one discontinuous phase transition. We…

Strongly Correlated Electrons · Physics 2020-06-17 Yusuke Masaki

Two-dimensional (2D) van der Waals (vdW) magnets provide an ideal platform for exploring, on the fundamental side, new microscopic mechanisms and for developing, on the technological side, ultra-compact spintronic applications. So far,…

Materials Science · Physics 2021-12-22 J. Y. Ni , X. Y. Li , D. Amoroso , X. He , J. S. Feng , E. J. Kan , S. Picozzi , H. J. Xiang

We model changes of magnetic ordering in Mn-antiperovskite nitrides driven by biaxial lattice strain at zero and at finite temperature. We employ a non-collinear spin-polarised density functional theory to compare the response of the…

Strongly Correlated Electrons · Physics 2017-06-07 J. Zemen , E. Mendive Tapia , Z. Gercsi , R. Banerjee , C. E. Patrick , J. B. Staunton , K. G. Sandeman

Recently, great effort has been devoted to the search for two-dimensional (2D) ferromagnetic materials with inherent strong Dzyaloshinskii--Moriya interaction (DMI). Here, through a first-principles approach, we systematically investigate…

Materials Science · Physics 2022-09-14 Zhong Shen , Changsheng Song , Yufei Xue , Zebin Wu , Jiqing Wang , Zhicheng Zhong

We employed small-angle neutron scattering to demonstrate that the magnetic skyrmion lattice can be realized in bulk chiral magnets as a thermodynamically stable state at temperatures much lower than the ordering temperature of the…

Strongly Correlated Electrons · Physics 2019-11-12 A. S. Sukhanov , Praveen Vir , A. Heinemann , S. E. Nikitin , D. Kriegner , H. Borrmann , C. Shekhar , C. Felser , D. S. Inosov

The effect of thermal fluctuations on the phase structure of monoaxial helimagnets with external magnetic field parallel to the chiral axis is analyzed by means of a saddle point expansion of the free energy. The phase transition that…

Strongly Correlated Electrons · Physics 2018-11-07 Victor Laliena , Yusuke Kato , German Albalate , Javier Campo

The experimental investigations of the magnetic interactions in an atomically thin magnetic layer are essential to understand the physics of low-dimensional magnets. The full spectrum of collective magnetic excitations (magnons) would…

Strongly Correlated Electrons · Physics 2024-05-17 Khalil Zakeri , Albrecht von Faber , Arthur Ernst

Here, we report both ac and dc magnetization, thermodynamic and electric properties of hexagonal Ba$_3$NiIr$_2$O$_9$. The Ni$^{2+}$ (spin-1) forms layered triangular-lattice and interacts antiferromagnetically while Ir$^{5+}$ is believed to…

Strongly Correlated Electrons · Physics 2021-07-14 Shobha Gondh , Manju Mishra Patidar , Kranti Kumar , M. P. Saravanan , V. Ganesan , A. K. Pramanik

The finite-temperature magnetism of a monolayer on a bcc (110) surface was examined using a model Hamiltonian containing ferromagnetic or antiferromagnetic exchange interactions, Dzyaloshinsky-Moriya interactions and easy-axis on-site…

Strongly Correlated Electrons · Physics 2014-12-12 L. Rózsa , L. Szunyogh , L. Udvardi

Strain engineering in single-layer semiconducting transition metal dichalcogenides aims to tune their bandgap energy and to modify their optoelectronic properties by the application of external strain. In this paper we study transition…

Martensitic transition temperature steadily decreases in Ni$_{2-x}$Fe$_{x}$Mn$_{1.5}$In$_{0.5}$ and is completely suppressed at $x$ = 0.2. Despite suppression of martensitic transition, Ni$_{1.8}$Fe$_{0.2}$Mn$_{1.5}$In$_{0.5}$ does not…

Materials Science · Physics 2020-04-02 R. Nevgi , Gangadhar Das , M. Acet , K. R. Priolkar

We present a study of the effect of biaxial strain on the electrical and magnetic properties of thin films of manganites. We observe that manganite films grown under biaxial compressive strain exhibit island growth morphology which leads to…

Strongly Correlated Electrons · Physics 2019-08-17 Amlan Biswas , M. Rajeswari , R. C. Srivastava , Y. H. Li , T. Venkatesan , R. L. Greene , A. J. Millis