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The interface between the polar LaAlO$_3$ and nonpolar SrTiO$_3$ layers has been shown to exhibit various electronic and magnetic phases such as two dimensional electron gas, superconductivity, magnetism and electronic phase separation.…

Strongly Correlated Electrons · Physics 2012-08-31 A. Annadi , A. Putra , Z. Q. Liu , X. Wang , K. Gopinadhan , Z. Huang , S. Dhar , T. Venkatesan , Ariando

The combination of charge and spin degrees of freedom with electronic correlations in condensed matter systems leads to a rich array of phenomena, such as magnetism, superconductivity, and novel conduction mechanisms. While such phenomena…

A number of recent studies indicate that the charge conduction of the LaAlO$_3$/SrTiO$_3$ interface at low temperature is confined to filaments which are linked to structural domain walls in the SrTiO$_3$ with drastic consequences for…

Mesoscale and Nanoscale Physics · Physics 2021-08-25 M. S. Prasad , G. Schmidt

By means of ab initio calculations within the density functional theory (DFT) electronic and magnetic properties of BaTiO3/LaMnO3 interface were investigated. An impact of ferroelectric overlayer thickness onto the interface properties was…

Materials Science · Physics 2022-06-07 Irina Piyanzina , Rinat Mamin

First-principles calculations based on density-functional theory in the pseudo-potential approach have been performed for the total energy, crystal structure and cell polarization for SrTaO$_2$N/SrTiO$_3$ heterostructures. Different…

We report on spin atomistic calculations used to model static and dynamic magnetic properties of inhomogeneous ultrathin iron films. Active magnetic layers in next-generation spintronic devices are becoming so thin that they exhibit some…

Using polarized X-rays, we compare the electronic and magnetic properties of a La(2/3)Sr(1/3)MnO(3)(LSMO)/SrTiO(3)(STO) and a modified LSMO/LaMnO(3)(LMO)/STO interface. Using the technique of X-ray resonant magnetic scattering (XRMS), we…

Strongly Correlated Electrons · Physics 2013-05-29 J. J. Kavich , M. P. Warusawithana , J. W. Freeland , P. Ryan , X. Zhai , R. H. Kodama , J. N. Eckstein

To form a conducting layer at the interface between the oxide insulators LaAlO3 and SrTiO3, the LaAlO3 layer on the SrTiO3 substrate must be at least four unit-cells-thick. The LaAlO3 SrTiO3 heterointerface thus formed exhibits various…

Despite a clear demonstration of bistability in spin-crossover (SCO) materials, the absence of long-range magnetic order and poor electrical conductivity limit their prospect in spintronic and nanoelectronic applications. Intending to…

High-quality epitaxial ferrites, such as low-damping MgAl-ferrite (MAFO), are promising nanoscale building blocks for all-oxide heterostructures driven by pure spin current. However, the impact of oxide interfaces on spin dynamics in such…

Polarized neutron reflectivity measurements of a ferromagnetic [(LaMnO$_3$)$_{11.8}$/(SrMnO$_3$)$_{4.4}$]$_6$ superlattice reveal a modulated magnetic structure with an enhanced magnetization at the interfaces where LaMnO$_3$ was deposited…

Understanding and manipulating properties emerging at a surface or an interface require a thorough knowledge of structure-property relationships. We report a study of a prototype oxide system, La2/3Sr1/3MnO3 grown on SrTiO3(001), by…

Strongly Correlated Electrons · Physics 2019-04-11 Lina Chen , Zhen Wang , Gaomin Wang , Hangwen Guo , Mohammad Saghayezhian , Zhaoliang Liao , Yimei Zhu , E. W. Plummer , Jiandi Zhang

Superconductivity has been one of the most fascinating quantum states of matter for over several decades. Among the superconducting materials, LaAlO3/SrTiO3 interface is of particularly interest since superconductivity exists between two…

Superconductivity · Physics 2020-11-11 Yang Ma , Jiasen Niu , Wenyu Xing , Yunyan Yao , Ranran Cai , Jirong Sun , X. C. Xie , Xi Lin , Wei Han

Due to the absence of interlayer coupling and inversion symmetry, transition metal dichalcogenide (MX$_2$) semiconductor monolayers exhibit novel properties that are distinctly different from their bulk crystals such as direct optical band…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Chung-Yu Wang , Guang-Yu Guo

By means of ab initio calculations the possibilities of switchable spin-polarized two-dimensional electron gas (2DEG) at the interface of antiferromagnetic and ferroelectric perovskites, i.e., LaMnO3/BaTiO3 superlattice, were investigated.…

Materials Science · Physics 2022-01-25 Irina Piyanzina , Rinat Mamin

Using atomistic Monte Carlo simulations, we investigated the impact of the interface on the structural properties of iron and copper (Fe/Cu) magnetic multilayers grown by Vorono\"i diagram. Interest in magnetic multilayers has recently…

Materials Science · Physics 2017-11-27 Jules Berlin Nde Kengne , Bernard Fongang , Serge Zekeng

Multilayer VO$_2$/TiO$_2$ nanostructures ($d^1$ - $d^0$ interfaces with no polar discontinuity) are studied with first principles density functional methods including structural relaxation. Quantum confinement of the {\it half metallic}…

Strongly Correlated Electrons · Physics 2015-05-13 Victor Pardo , Warren E. Pickett

Two-dimensional (2D) tin monoxide (SnO) has attracted much attention owing to its distinctive electronic and optical properties, which render itself suitable as a channel material in field effect transistors (FETs). However, upon contact…

Materials Science · Physics 2023-08-31 Yujia Tian , Devesh R. Kripalani , Ming Xue , Kun Zhou

Designing two-dimensional (2D) materials with magnetic and topological properties has continuously attracted intense interest in fundamental science and potential applications. Here, on the basis of first-principles calculations, we predict…

Materials Science · Physics 2020-09-08 Chang Liu , Botao Fu , Huabing Yin , Guangbiao Zhang , Chao Dong

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