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Epitaxial superlattices of ferromagnetic/paramagnetic La$_{0.67}$Sr$_{0.33}$MnO$_3$/SrIrO$_3$ materials have been prepared on SrTiO$_3$ (100) substrate using pulse laser deposition technique. An unexpected onset of interface magnetic…

Strongly Correlated Electrons · Physics 2019-05-08 Rachna Chaurasia , K. C. Kharkwal , A. K. Pramanik

A variety of emergent phenomena has been enabled by interface engineering in the complex oxides heterostructures. While extensive attention has been attracted to LaMnO3 (LMO) thin films for observing the control of functionalities at its…

The exfoliation of layered magnetic materials generates atomically thin flakes characterized by an ultrahigh surface sensitivity, which makes their magnetic properties tunable via external stimuli, such as electrostatic gating and proximity…

Many of the recent advancements in oxide heterostructures have been attributed to modification of spin, charge, lattice, and orbital order parameters at atomically well-defined interfaces. However, the details on the structural, chemical,…

Understanding and controlling the interfacial magnetic properties of ferromagnetic thin films are crucial for spintronic device applications. However, using conventional magnetometry, it is difficult to detect them separately from the bulk…

Materials Science · Physics 2017-06-21 Le Duc Anh , Noboru Okamoto , Munetoshi Seki , Hitoshi Tabata , Masaaki Tanaka , Shinobu Ohya

Interface engineering in complex oxide heterostructures has developed into a flourishing field as various intriguing physical phenomena can be demonstrated which are otherwise absent in their constituent bulk compounds. Here we present…

Materials Science · Physics 2023-04-03 Snehal Mandal , Sandip Halder , Biswarup Satpati , Kalpataru Pradhan , I. Das

The control of matter properties (transport, magnetic, dielectric,...) using synthesis as thin films is strongly hindered by the lack of reliable theories, able to guide the design of new systems, through the understanding of the interface…

Strongly Correlated Electrons · Physics 2015-05-28 Marie-Bernadette Lepetit , Bernard Mercey , Charles Simon

Creating new interfacial magnetic states with desired functionalities is attractive for fundamental studies and spintronics applications. The emergence of interfacial magnetic phases demands the fabrication of pristine interfaces and the…

Novel phenomena appear when two different oxide materials are combined together to form an interface. For example, at the interface of LaAlO3/SrTiO3, two dimensional conductive states form to avoid the polar discontinuity and magnetic…

Materials Science · Physics 2017-02-23 Fang Wang , Zhaohui Ren , He Tian , Shengyuan A. Yang , Yanwu Xie , Yunhao Lu , Jianzhong Jiang , Gaorong Han , Kesong Yang

Interface effects on the ferroelectric behavior of PbTiO$_3$ ultrathin films deposited on SrTiO$_3$ substrate are investigated using an interatomic potential approach with parameters fitted to first-principles calculations. We find that the…

Materials Science · Physics 2009-11-11 M Sepliarsky , M. G. Stachiotti , R. L. Migoni

In a recent publication (S. Dong et al., Phys. Rev. Lett.103, 127201 (2009)), two (related) mechanisms were proposed to understand the intrinsic exchange bias present in oxides heterostructures involving G-type antiferromagnetic…

Materials Science · Physics 2012-01-04 Shuai Dong , Qinfang Zhang , Seiji Yunoki , J. -M. Liu , Elbio Dagotto

In polar oxide interfaces phenomena such as conductivity, superconductivity, magnetism, one-dimensional conductivity and Quantum Hall states can emerge at the polar discontinuity. Combining controllable ferroelectricity at such interfaces…

Strongly Correlated Electrons · Physics 2020-07-06 Gal Tuvia , Yiftach Frenkel , Prasanna K. Rout , Itai Silber , Beena Kalisky , Yoram Dagan

Atomically sharp oxide heterostructures exhibit a range of novel physical phenomena that do not occur in the parent bulk compounds. The most prominent example is the appearance of highly conducting and superconducting states at the…

The distortion of corner-sharing octahedra in isovalent perovskite transition-metal oxide interfaces is proven to be an excellent way to tailor the electronic and magnetic properties of their heterostructures. Combining depth-dependent…

Here, we study an interface induced magnetic properties in 3$d$-5$d$ based multilayer made of La$_{0.67}$Sr$_{0.33}$MnO$_3$ and double perovskite Sr$_2$FeIrO$_6$, respectively. Bulk La$_{0.67}$Sr$_{0.33}$MnO$_3$ is metallic and shows…

Strongly Correlated Electrons · Physics 2019-01-23 K C Kharkwal , Rachna Chaurasia , A K Pramanik

Perovskite oxide heterostructures offer an important path forward for stabilizing and controlling low-dimensional magnetism. One of the guiding design principles for these materials systems is octahedral connectivity. In superlattices…

Materials Science · Physics 2017-11-08 Charles L. Flint , Arturas Vailionis , Hua Zhou , Hoyoung Jang , Jun-Sik Lee , Yuri Suzuki

Possible ferromagnetism induced in otherwise non-magnetic materials has been motivating intense research in complex oxide heterostructures. Here we show that a confined magnetism is realized at the interface between SrTiO3 and two…

By performing first-principles calculations on four capacitor structures based on BaTiO3 and PbTiO3, we determine the intrinsic interfacial effects that are responsible for the destabilization of the polar state in thin-film ferroelectric…

Materials Science · Physics 2011-03-03 Massimiliano Stengel , David Vanderbilt , Nicola A. Spaldin

We report on a systematic study of a number of structurally identical but chemically distinct transition metal oxides in order to determine how the material-specific properties such as the composition and the strain affect the properties at…

We have studied transport and magnetotransport properties of the heterostructure consisting of the ferroelectric Ba$_{0.8}$Sr$_{0.2}$TiO$_3$ film deposited on the single crystalline manganite LaMnO$_3$. Two-dimensional electron gas arising…

Mesoscale and Nanoscale Physics · Physics 2019-12-06 D. P. Pavlov , N. N. Garif'yanov , A. V. Leontyev , T. M. Salikhov , V. M. Mukhortov , A. M. Balbashov , R. F. Mamin , V. V. Kabanov
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