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Related papers: Magnetization in electron- and Mn- doped SrTiO3

200 papers

We report on the observation of metallic behavior in thin films of oxygen-deficient SrTiO$_3$ - down to 9 unit cells - when coherently strained on (001) SrTiO$_3$ or DyScO$_3$-buffered (001) SrTiO$_3$ substrates. These films have carrier…

Materials Science · Physics 2016-06-06 Purnima P. Balakrishnan , Urusa S. Alaan , Matthew T. Gray , Yuri Suzuki

The magnetic excitations in electron doped (Sr$_{1-x}$La$_x$)$_2$IrO$_4$ with $x = 0.03$ were measured using resonant inelastic X-ray scattering at the Ir $L_3$-edge. Although much broadened, well defined dispersive magnetic excitations…

Strongly Correlated Electrons · Physics 2016-06-15 Xuerong Liu , M. P. M. Dean , Z. Y. Meng , M. H. Upton , T. Qi , T. Gog , Y. Cao , J. Q. Lin , D. Meyers , H. Ding , G. Cao , H. P. Hill

Over the years attempts have been made to compensate for the inherent weaknesses in the bulk state of the multiferroic BiFeO3, such as high leakage current and the absence of ferromagnetic correlation, and exploit its magnetoelectric…

Materials Science · Physics 2018-02-21 Amit Kumar , Bastola Narayan , Rohit P , Rajeev Ranjan

Modulation-doped oxide two-dimensional electron gas (2DEG) formed at the LaMnO3 (LMO) buffered disorderd-LaAlO3/SrTiO3 (d-LAO/LMO/STO) heterointerface, provides new opportunities for electronics as well as quantum physics. Herein, we…

Materials Science · Physics 2017-04-05 Y. Z. Chen , Y. L. Gan , D. V. Christensen , Y. Zhang , N. Pryds

Mn-doped \b{eta}-Ga2O3 (GMO) films with room-temperature ferromagnetism (RTFM) are synthesized by polymer-assisted deposition and the effects of annealing atmosphere (air or pure O2 gas) on their structures and physical properties are…

Materials Science · Physics 2022-05-10 Xu Dai , Xi Zhang , Gang Xiang

We report on the evolution of the average and depth-dependent magnetic order in thin film samples of biaxially stressed and electron-doped EuTiO$_3$ for samples across a doping range $<$0.1 to 7.8 $\times 10^{20}$ cm$^{-3}$. Under an…

Strongly Correlated Electrons · Physics 2020-05-22 Zach Porter , Ryan F. Need , Kaveh Ahadi , Yang Zhao , Zhijun Xu , Brian J. Kirby , Jeffrey W. Lynn , Susanne Stemmer , Stephen D. Wilson

Ferromagnetic insulator thin films can convey information by spin waves, avoiding charge displacement and Eddy current losses. The sparsity of high-temperature insulating ferromagnetic materials hinders the development of spin wave based…

Density functional theory with local spin density approximation has been used to propose possible room temperature ferromagnetism in N-doped NaCl-type BaO. Pristine BaO is a wide bandgap semiconductor, however, N induces a large density of…

Materials Science · Physics 2015-05-05 Gul Rahman

Some doped semiconductors have recently been shown to display superconductivity or weak ferromagnetism. Here we investigate the electronic structure and conditions for magnetism in a supercells of cubic XW_{26}O_{81}, where X=Nb,V and Re.…

Materials Science · Physics 2016-08-31 T. Jarlborg

Tailoring transport properties of strongly correlated electron systems in a controlled fashion counts among the dreams of materials scientists. In copper oxides, varying the carrier concentration is a tool to obtain high-temperature…

The structure and magnetic properties in doped Heusler alloys of Mn2CoGa and Mn2CoAl have been investigated by experiments and calculations. The main group elements of Ga and Al are substituted by the magnetic or non-magnetic transition…

Materials Science · Physics 2013-03-26 Y. J. Zhang , G. J. Li , E. K. Liu , J. L. Chen , W. H. Wang , G. H. Wu

A temperature-dependent EXAFS investigation of La{1-x}Ca{x}MnO3 is presented for the concentration range that spans the ferromagnetic-insulator (FMI) to ferromagnetic-metal (FMM) transition region, x = 0.16-0.22. The samples are insulating…

Strongly Correlated Electrons · Physics 2009-11-13 Y. Jiang , F. Bridges , L. Downward , J. J. Neumeier

The discovery of superconductivity in Nd$_{0.8}$Sr$_{0.2}$NiO$_2$ [1] introduced a new family of layered nickelate superconductors that has now been extended to include a range of Sr-doping [2, 3], Pr or La in place of Nd [4-6], and the…

MnBi2nTe3n+1(MBT) is the first intrinsic magnetic topological insulator and is promising to hostemergent phenomena such as quantum anomalous Hall effect. They can be made ferromagnetic by having n >= 4 or with Sb doping. We studied the…

Materials Science · Physics 2022-01-07 Chaowei Hu , Makariy A. Tanatar , Ruslan Prozorov , Ni Ni

It is shown that substitution of C or N for O recently proposed as a way to create ferromagnetism in otherwise nonmagnetic oxide insulators is curtailed by formation of impurity pairs, and the resultant C2 spin=1 dimers as well as the…

Materials Science · Physics 2010-12-30 Hua Wu , Alessandro Stroppa , Sung Sakong , Silvia Picozzi , Matthias Scheffler , Peter Kratzer

CrI3, as a soft van der Waals layered magnetic material, has been widely concerned and explored for its magnetic complexity and tunability. In this work, high quality and large size thin CrI3, V and Mn doped single crystals were prepared by…

Materials Science · Physics 2023-12-01 Shuang Pan , Yuqing Bai , Jiaxuan Tang , Peihao Wang , Yurong You , Guizhou Xu , Feng Xu

Atomically thin ferromagnetic and conducting electron systems are highly desired for spintronics, because they can be controlled with both magnetic and electric fields. We present (SrRuO3)1-(SrTiO3)5 superlattices and single-unit-cell-thick…

The structural, optical and magnetic properties of the Zn1-xMnxO (0 < x < 0.05) thin films synthesized by sol-gel technique have been analyzed in the light of modification of the electronic structure and disorder developed in the samples…

Materials Science · Physics 2015-06-11 R. Karmakar , S. K. Neogi , Aritra Banerjee , S. Bandyopadhyay

Ferroelectric and ferromagnetic orders rarely coexist, and magnetoelectric coupling is even more scarce. A possible avenue for combining these orders is by interface design, where orders formed at the constituent materials can overlap and…

Strongly Correlated Electrons · Physics 2022-04-12 Gal Tuvia , Sapir Weitz Sobelman , Shay Sandik , Beena Kalisky , Yoram Dagan

The influence of magnetic dopants on the electronic and chemical environments in topological insulators (TIs) is a key factor when considering possible spintronic applications based on topological surface state properties. Here we provide…