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Related papers: New multiferroics based on EuxSr1-xTiO3 nanotubes …

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Recent advances in moire engineering provide new pathways for manipulating lattice distortions and electronic properties in low-dimensional materials. Here, we demonstrate that twisted stacking can induce dipolar vortices in metallic SrRuO3…

We use \textit{ab initio} calculations to systematically study the phase diagram of multiferroic Sr$_{1-x}$Ba$_x$MnO$_3$ ($0 \leq x \leq 1$) as a function of chemical doping, epitaxial strain and external pressure. We find that by replacing…

Materials Science · Physics 2016-11-03 Hanghui Chen , Andrew J. Millis

Recently, the possibility of a low-temperature non-cubic phase in BaZrO$_3$ has generated engaging discussions about its true ground state and the consequences on its physical properties. In this paper, we investigate the microscopic…

Materials Science · Physics 2023-04-19 M. Sepliarsky , R. Machado , S. Tinte , M. G. Stachiotti

We present a study of the dielectric, structural, and magnetic properties of the multiferroic or linear magnetoelectric substitution series [(NH$_4$)$_{1-x}$K$_x$]$_2$[FeCl$_5$(H$_2$O)]. Pyroelectric currents, magnetic susceptibilities, and…

The magnetic properties of single-domain nanoparticles with different geometric shapes, crystalline anisotropies and lattice structures are investigated. A recently proposed scaling approach is shown to be universal and in agreement with…

Strongly Correlated Electrons · Physics 2009-11-13 Wen Zhang , Rohit Singh , Noah Bray-Ali , Stephan Haas

The incommensurate magnetic structures and phase diagrams of multiferroics has been explored on the basis of accurate micromagnetic analysis taking into account the spin flexoelecric interaction (Lifshitz invariant). The objects of the…

Materials Science · Physics 2015-06-15 Z. V. Gareeva , A. F. Popkov , S. V. Soloviov , A. K. Zvezdin

We study the electronic and magnetic structures of multiferroic CaMn$_7$O$_{12}$ by first-principle calculations, based on the experimentally determined modulated crystal structure. We confirm the presence of a 3$d$ orbital modulation of…

Materials Science · Physics 2015-06-23 Kun Cao , Roger D. Johnson , Natasha Perks , Feliciano Giustino , Paolo G. Radaelli

Room-temperature magnetoelectric multiferroicity has been observed in c-axis oriented GaFeO$_3$ thin films (space group $Pna2_1$), grown on economic and technologically important (100)Si substrates by pulsed laser deposition technique.…

For decades transition-metal oxides have generated a huge interest due to the multitude of physical phenomena they exhibit. In this class of materials, the rare-earth nickelates, $R$NiO$_3$, stand out for their rich phase diagram stemming…

Strongly Correlated Electrons · Physics 2023-09-18 Luca Binci , Michele Kotiuga , Iurii Timrov , Nicola Marzari

The ground-state structural and electronic properties of ferroelectric BiFeO$_3$ are calculated using density functional theory within the local spin-density approximation and the LSDA+U method. The crystal structure is computed to be…

Materials Science · Physics 2007-05-23 J. B. Neaton , C. Ederer , U. V. Waghmare , N. A. Spaldin , K. M. Rabe

Using density functional theory calculations, ultrathin films of SrVO3(d1) and SrCrO3(d2) on SrTiO3 substrates have been studied as possible multiferroics. Although both are metallic in the bulk limit, they are found to be insulating as a…

Materials Science · Physics 2015-06-16 Kapil Gupta , Priya Mahadevan , Phivos Mavropoulos , Marjana Lezaic

Solid solution BiFe1-xCoxO3 shows anti-ferromagnetic order and pyroelectric order, simultaneously. It has been known that BiFe1-xCoxO3 exhibits a structural phase transition between monoclinic and tetragonal phases as x increases. This…

Materials Science · Physics 2021-12-15 Hiroshi Katsumoto , Kunihiko Yamauchi , Tamio Oguchi

Full pattern Le-Bail refinement using x-ray powder diffraction profiles of Sr1-xCaxTiO3 for x=0.02, 0.04 in the temperature range 12 to 300 K reveals anomalies in the unit cell parameters at 170, 225 K due to an antiferrodistortive (cubic…

Materials Science · Physics 2015-05-13 Sanjay Kumar Mishra , Dhananjai Pandey

Oxide heterostructures have repeatedly been shown to display apical properties at the interfaces, some of which favorable to the formation of two-dimensional electron systems, as well as high transition temperature superconductivity. In…

Superconductivity · Physics 2022-12-21 Wai Hei Terence Tse , Carla Lupo , Evan Sheridan , Evgeny Plekhanov , Cedric Weber

Functional devices with ultrathin ferroelectric layers have been attracted as a promising candidate for next-generation memory and logic device applications. Using the ultrathin ferroelectric layers, particularly approaching the…

We report on detailed sucseptibility and magnetization studies in La{1-x}Sr{x}MnO3 for x<=0.2. We arrive at a phase diagram which shows a ferromagnetic ground state for 0.1<=x<=0.15 followed by a canted antiferromagnetic phase at higher…

Strongly Correlated Electrons · Physics 2007-05-23 M. Paraskevopoulos , J. Hemberger , A. Loidl , A. A. Mukhin , V. Yu. Ivanov , A. M. Balbashov

Using first-principles electronic structure calculations, we studied the electronic and thermoelectric properties of SrTiO3 based oxide materials and their nanostructures identifying those nanostructures which possess highly anisotropic…

In this work, we have designed obtained a novel multiferroic nanocomposite using the high-pressure torsion (HPT) method. The crystal structure, phase composition, morphology, ferromagnetic (FM) and ferroelectric (FE) properties of the…

This paper reviews the recent developments on building nanoelectronics for our future information processing paradigm using multiferroic composites. With appropriate choice of materials, when a tiny voltage of few tens of millivolts is…

Mesoscale and Nanoscale Physics · Physics 2019-06-05 Kuntal Roy

A novel nanocomposite system has been prepared by dispersing multiferroic bismuth ferrite nanoparticles (BiFeO$_3$) in a bent-core nematic liquid crystal (8-F-OH) that exhibits cybotactic clusters. Transition temperature, optical textures,…

Soft Condensed Matter · Physics 2024-07-10 Dhananjoy Mandal , Yiwei Wang , Supreet Kaur , Golam Mohiuddin , Apala Majumdar , Aloka Sinha