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Related papers: Ferromagnetism and conductivity in atomically thin…

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A series of superlattices composed of ferromagnetic La$_{0.7}$Ca$_{0.3}$MnO$_3$ (LCMO) and ferroelectric/paraelectric Ba$_{1-x}$Sr$_x$TiO$_3$ (0$\leq $x$\leq $1) were deposited on SrTiO$_3$ substrates using the pulsed laser deposition.…

Materials Science · Physics 2009-11-11 M. P. Singh , W. Prellier , L. Mechin , W. Prellier

A (II,Mn)VI diluted magnetic semiconductor quantum dot with an integer number of electrons controlled with a gate voltage is considered. We show that a single conduction band electron is able to induce a spontaneous collective magnetization…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. Fernández-Rossier , L. Brey

We present experimental evidence for small-moment magnetism below the ferromagnetic transition temperature (T_c3 = 183 K) in the quasi-one-dimensional metal BaIrO_3. Further, we identify rearrangement of the local magnetic moment…

Strongly Correlated Electrons · Physics 2009-11-11 M. L. Brooks , S. J. Blundell , T. Lancaster , W. Hayes , F. L. Pratt , P. P. C. Frampton , P. D. Battle

The emerging material class of complex-oxides, where manipulation of physical properties lead to new functionalities at their heterointerfaces, is expected to open new frontiers in Spintronics. For example, SrRuO_3 is a promising material…

Strongly Correlated Electrons · Physics 2015-11-09 S. Roy , C. Autieri , B. Sanyal , T. Banerjee

The resistivity as a function of temperature, magnetic field and its orientation for atomically flat SrTiO3\LaAlO3 interfaces with carrier densities of ~3*10^13 cm^-2 is reported. At low magnetic fields superconductivity is observed below…

Strongly Correlated Electrons · Physics 2010-03-26 M. Ben Shalom , C. W. Tai , Y. Lereah , M. Sachs , E. Levy , D. Rakhmilevitch , A. Palevski , Y. Dagan

Single crystals of CrSbSe$_3$, a structurally pseudo-one-dimensional ferromagnetic semiconductor, were grown using a high-temperature solution growth technique and were characterized by x-ray diffraction, anisotropic, temperature- and…

Materials Science · Physics 2018-01-24 Tai Kong , Karoline Stolze , Ni Danrui , Satya K. Kushwaha , Robert J. Cava

The tetragonal phase of chromium (III) oxide, although unstable in the bulk, can be synthesized in epitaxial heterostructures. The theoretical investigation by density functional theory predicts an antiferromagnetic ground state for this…

Strongly Correlated Electrons · Physics 2019-11-22 M. Asa , C. Autieri , C. Barone , C. Mauro , S. Picozzi , S. Pagano , M. Cantoni

We report transport and thermodynamic properties of single-crystal SrIrO3 as a function of temperature T and applied magnetic field H. We find that SrIrO3 is a non-Fermi-liquid metal near a ferromagnetic instability, as characterized by the…

Strongly Correlated Electrons · Physics 2009-11-13 G. Cao , V. Durairaj , S. Chikara , L. E. DeLong , S. Parkin , P. Schlottmann

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…

We have prepared high-quality epitaxial thin films of CaRuO$_3$ with residual resistivity ratios up to 55. Shubnikov-de Haas oscillations in the magnetoresistance and a $T^2$ temperature dependence in the electrical resistivity only below…

Strongly Correlated Electrons · Physics 2014-05-27 M. Schneider , D. Geiger , S. Esser , U. S. Pracht , C. Stingl , Y. Tokiwa , V. Moshnyaga , I. Sheikin , J. Mravlje , M. Scheffler , P. Gegenwart

Occurrence of room temperature ferromagnetism is demonstrated in pulsed laser deposited thin films of Sn1-xCoxO2-d (x<0.3). Interestingly, films of Sn0.95Co0.05O2-d grown on R-plane sapphire not only exhibit ferromagnetism with a Curie…

Interface enhanced superconductivity at two dimensional limit has become one of most intriguing research directions in condensed matter physics. Here, we report the superconducting properties of ultra-thin FeSe films with the thickness of…

Superconductivity · Physics 2014-08-14 Yi Sun , Wenhao Zhang , Ying Xing , Fangsen Li , Yanfei Zhao , Zhengcai Xia , Lili Wang , Xucun Ma , Qi-Kun Xue , Jian Wang

Recent experimental results demonstrate that in thin films ferroelectricity persists down to film thickness of a few unit cells. This finding opens an avenue for novel electronic devices based on ultathin ferroelectrics, but also raises…

Materials Science · Physics 2015-06-25 Chun-Gang Duan , Renat F. Sabirianov , Wai-Ning Mei , Sitaram S. Jaswal , Evgeny Y. Tsymbal

Oxide based ferromagnet/semiconductor heterostructures offer substantial advantages for spin electronics. We have grown (111) oriented Fe3O4 thin films and Fe3O4/ZnO heterostructures on ZnO(0001) and Al2O3(0001) substrates by pulsed laser…

Materials Science · Physics 2008-12-30 A. Nielsen , A. Brandlmaier , M. Althammer , W. Kaiser , M. Opel , J. Simon , W. Mader , S. T. B. Goennenwein , R. Gross

Magnetic insulators are often antiferromagnetic (AFM) and layered AFM compounds usually show low ordering temperature. On the other hand, layered ferromagnetic (FM) insulators with high-TC are very rare although they could be quite useful…

Materials Science · Physics 2018-11-12 Ke Yang , Feng-Ren Fan , Alessandro Stroppa , Hua Wu

The discovery of ferromagnetism in two-dimensional (2D) monolayers has stimulated growing research interest in both spintronics and material science. However, these 2D ferromagnetic layers are mainly prepared through an incompatible…

Materials Science · Physics 2023-02-02 Qianwen Zhao , ChaoChao Xia , Hanying Zhang , Baiqing Jiang , Tunan Xie , Kaihua Lou , Chong Bi

The magnetic behaviour of SmN has been investigated in stoichiometric polycrystalline films. All samples show ferromagnetic order with Curie temperature (T_c) of 27 +/- 3 K, evidenced by the occurrence of hysteresis below T_c. The…

Strongly Correlated Electrons · Physics 2009-11-13 C. Meyer , B. J. Ruck , J. Zhong , S. Granville , A. R. H. Preston , G. V. M. Williams , H. J. Trodahl

The spin-polarization and magnetic coupling character of N-doped SrTiO3 and BaTiO3 are studied through first-principles calculations. The substitutional N doping at O sites leads to a half-metallic property and produces a magnetic moment of…

Materials Science · Physics 2012-02-13 Kesong Yang , Ying Dai , Baibiao Huang

The latest discovery of ferromagnetism in atomically thin films of semiconductors Cr$_2$Ge$_2$Te$_6$ and CrI$_3$ has unleashed numerous opportunities for fundamental physics of magnetism in two-dimensional (2D) limit and also for…

Mesoscale and Nanoscale Physics · Physics 2019-05-09 Vijay Kumar Gudelli , Guang-Yu Guo

We present an interacting model for the electronic and magnetic behavior of a strained $(001)$ atomic layer of Sr$_2$FeMoO$_6,$ which shows room-temperature ferrimagnetism and magnetoresistance with potential spintronics application in the…

Strongly Correlated Electrons · Physics 2020-07-22 Masahiko G. Yamada , George Jackeli