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Information can be stored in magnetic materials by encoding with the direction of the magnetic moment of elements. A figure of merit for these systems is the energy needed to change the information rewrite the storage by changing the…

Ferromagnetism is an exciting phase of matter exhibiting strongly correlated electron behavior and a standard example of spontaneously broken rotational symmetry: below the Curie temperature, atomic magnets in an isotropic single-domain…

Other Condensed Matter · Physics 2018-04-06 E. Solano-Carrillo

The research on van der Waals (vdW) layered ferromagnets have promoted the development of nanoscale spintronics and applications. However, low-temperature ferromagnetic properties of these materials greatly hinder their applications. Here,…

Materials Science · Physics 2021-11-03 Cheng Zhang , Yue Gu , Le Wang , Lianglong Huang , Ying Fu , Cai Liu , Shanmin Wang , Jia-Wei Mei , Xiaolong Zou , Jun-Feng Dai

Due to the lack of a net magnetization both at the interface and in the bulk, antiferromagnets with compensated interfaces may appear incapable of influencing the phase transition in an adjacent superconductor via the spin degree of…

Superconductivity · Physics 2021-03-03 Lina G. Johnsen , Sol H. Jacobsen , Jacob Linder

Magnetic properties of uranium and neptunium compounds showing the coexistence of Kondo screening effect and ferromagnetic order are investigated within the Anderson lattice Hamiltonian with a two-fold degenerate $f$-level in each site,…

Strongly Correlated Electrons · Physics 2013-06-25 Christopher Thomas , Acirete S. da Rosa Simões , J. R. Iglesias , C. Lacroix , N. B. Perkins , B. Coqblin

We study magnetic phases of two-component mixtures of ultracold fermions with repulsive interactions in optical lattices in the presence of hopping imbalance. Our analysis is based on dynamical mean-field theory (DMFT) and its real-space…

Quantum Gases · Physics 2012-08-14 Andrii Sotnikov , Daniel Cocks , Walter Hofstetter

We investigate the structural, electronic, transport, and thermoelectric properties of LaNiO$_3$/SrTiO$_3(001)$ superlattices containing either exclusively $n$- or $p$-type interfaces or coupled interfaces of opposite polarity by using…

Materials Science · Physics 2017-03-03 Benjamin Geisler , Ariadna Blanca-Romero , Rossitza Pentcheva

Charge transfer induced interfacial ferromagnetism and its impact on the exchange bias effect in La$_{0.7}$Sr$_{0.3}$MnO$_3$/NdNiO$_3$ correlated oxide heterostructures were investigated by soft x-ray absorption and x-ray magnetic circular…

Materials Science · Physics 2020-04-29 K. Chen , C. Luo , B. B. Chen , R. M. Abrudan , G. Koster , S. K. Mishra , F. Radu

The discovery of reversible 300 K ferromagnetic ordering in a diluted magnetic semiconductor is reported. Switching of room-temperature ferromagnetism between "on" and "off" states is achieved in Co2+:ZnO by lattice incorporation and…

Materials Science · Physics 2007-05-23 Dana A. Schwartz , Daniel R. Gamelin

Using first-principles density-functional calculations, we address the magnetic properties of the ferromagnet/antiferromagnet La(0.67)Sr(0.33)MnO3/BiFeO3(001) heterojunctions, and investigate possible driving mechanisms for a ferromagnetic…

Materials Science · Physics 2013-07-19 R. F. Neumann , M. Bahiana , N. Binggeli

The mixed ferrite-cobaltites LnFe0.5Co0.5O3, with Ln = Eu & Dy have been prepared by a sol-gel method and the samples have been characterized using X-ray diffraction and electron microscopy. The magnetic investigations reveal that both…

Materials Science · Physics 2019-07-16 Ashish Shukla , Oleg I. Lebedev , Md. Motin Seikh , Asish K. Kundu

Magnetoelectric coupling is vital for exploring fundamental science and driving the development of high-density memory and energy-efficient spintronic devices. Altermagnets, which merge the benefits of ferromagnets and antiferromagnets,…

Materials Science · Physics 2026-03-03 Pengqiang Dong , Hanbo Sun , Chao Wu , Ping Li

Nanoparticles of Cr3+-substituted Ni-Zn ferrites with a general formula Ni0.4Zn0.6-xCrxFe2O4 (x = 0.0 - 0.6) have been synthesized via a facile microwave combustion route. The crystalline phase has been characterized by XRD, TEM, FT-I and…

Materials Science · Physics 2026-04-21 Abdulaziz Abu El-Fadl , Azza M. Hassan , Mohamed A. Kassem

For a system of two spatially separated monoatomic graphene layers encapsulated in hexagonal boron nitride, we consider the drag effect between charge carriers in the Fermi liquid regime. Commonly, the phenomenon is described in terms of an…

Mesoscale and Nanoscale Physics · Physics 2012-10-02 Bruno Amorim , Jürgen Schiefele , Fernando Sols , Francisco Guinea

The static magnetic and dynamic properties of the compound (NH3)2(CH2)3CoCl4 are investigated in the temperature interval 0.5-50 K. It is shown that at TN =2.05 K this compound undergoes a transition to a magnetically ordered…

Materials Science · Physics 2009-11-11 A. S. Cherny , K. G. Dergachev , M. I. Kobets , E. N. Khatsko

We report detailed magnetization measurements on the perovskite oxide NdNiO$_3$. This system has a first order metal-insulator (M-I) transition at about 200 K which is associated with charge ordering. There is also a concurrent paramagnetic…

Strongly Correlated Electrons · Physics 2016-01-11 Devendra Kumar , K. P. Rajeev , J. A. Alonso , M. J. Martinez-Lope

The experimental observation that vanadate superlattices (LaVO$_3$)$_m$/SrVO$_3$ show ferromagnetism up to room temperature [U.\ L\"uders {\it et al.}, Phys.\ Rev.\ B {\bf 80}, 241102R (2009)] is investigated by means of density functional…

Strongly Correlated Electrons · Physics 2016-12-13 Cosima Schuster , Ulrike Lueders , Udo Schwingenschloegl , Raymond Fresard

The spin reorientation (SR) phenomenon of the square-lattice antiferromagnets RMnAsO (R = Ce, Nd) was investigated by analyzing the spin exchange interactions between the rare-earth and transition-metal ions (R3+ and Mn2+, respectively) on…

Strongly Correlated Electrons · Physics 2012-05-30 Changhoon Lee , Erjun Kan , Hongjun Xiang , Reinhard K. Kremer , Seung-Hun Lee , Zenji Hiroi , Myung-Hwan Whangbo

The insulating ferrimagnet Cu2OSeO3 shows a rich variety of phases such as skyrmion lattice and helical magnetism controlled by interplay of different exchange interactions which can be tuned by external pressure. In this work we have…

Based on first-principles calculations, we discover a two-dimensional layered antiferromagnetic (AFM) electride Gd$_2$O, where anionic excess electrons exist in the interstitial spaces between positively charged cationic layers. It is…

Materials Science · Physics 2022-01-26 Shuyuan Liu , Chongze Wang , Hyunsoo Jeon , Jeehoon Kim , Jun-Hyung Cho
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