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Related papers: Two-dimensional manganese oxide nanolayers on Pd(1…

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Polymer-based nanocomposite dielectrics are expected to become essential in future generations of high voltage electrical insulation. However, the physics behind their performance is not yet understood. Here we investigate electronic…

Materials Science · Physics 2016-07-29 Elena Kubyshkina , Mikael Unge , B. L. G. Jonsson

Atomic oxygen adsorption on the Mo(112) surface has been investigated by means of first-principles total energy calculations. Among the variety of possible adsorption sites it was found that the bridge sites between two Mo atoms of the…

Materials Science · Physics 2007-05-23 Adam Kiejna , R. M. Nieminen

In this article we report about active interaction of volumetric mesoscopic structures composed of PdNi alloy nanowires with low temperature nonequilibrium oxygen plasma. Object of our study is fine 3D meso-structures, which were fabricated…

Mesoscale and Nanoscale Physics · Physics 2015-12-18 Galina Strukova , Gennady Strukov , Igor Khodos , Sergey Vitkalov

In the purpose of expanding the family of two-dimensional materials, we predict the existence of two-dimensional octa-structure of nitrogen group elements that are composed of squares and octagons in first-principle method based on density…

Materials Science · Physics 2015-12-08 Yu Zhang , Jason Lee , Wei-Liang Wang , Dao-Xin Yao

Group II-IV nitrides have recently emerged as a novel class of semiconductors composed of earth-abundant elements. Owing to their tunable bandgaps, comparable to those of III-nitrides, these materials are attractive candidates for replacing…

Finite magnesium oxide nanotubes are investigated. Stacks of four parallel squares, hexagons, octagons, and decagons are constructed and studied by the pseudopotential density functional theory within the local-density approximation.…

Materials Science · Physics 2009-11-10 G. Bilalbegovic

In this study, the structure and composition of the native oxide forming on the basal plane (0001) of Mg-2Al-0.1Ca is investigated by a correlative approach, combining scanning transmission electron microscopy (STEM) and atom probe…

Chemical exfoliation of MAX phases into two-dimensional (2D) MXenes can be considered as a major breakthrough in the synthesis of novel 2D systems. To gain insight into the exfoliation possibility of MAX phases and to identify which MAX…

One-dimensional (1D) nanostructures - nanowires (NWs) - exhibit promising properties for integration in different types of functional devices. Their properties can be enhanced even further or tuned for a specific application by combining…

A two-dimensional (2D) topological semimetal is characterized by the nodal points in its low-energy band structure. While the linear nodal points have been extensively studied, especially in the context of graphene, the realm beyond linear…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Weikang Wu , Ying Liu , Zhi-Ming Yu , Y. X. Zhao , Weibo Gao , Shengyuan A. Yang

The magnetic properties of [Mn(pyrazinecarboxylate)2]n (Mn-pyrazine), empirical formula C10H6MnN4O4, are investigated through susceptibility, heat capacity and neutron scattering measurements. The structure of Mn-pyrazine consists of Mn-Mn…

Strongly Correlated Electrons · Physics 2023-12-19 S. Calder , R. Baral , N. Narayanan , L. D. Sanjeewa

Ultra-thin oxide (UTO) films were grown on Si(111) in ultrahigh vacuum at room temperature and characterized by scanning tunneling microscopy. The ultra-thin oxide films were then used as substrates for room temperature growth of pentacene.…

Materials Science · Physics 2015-05-13 B. R. Conrad , W. G. Cullen , B. C. Riddick , E. D. Williams

Monolayer group-IV monochalcogenides (MX, M = Ge, Sn, Pb; X = S, Se, Te) are a family of novel two-dimensional (2D) materials that have atomic structures closely related to that of the staggered black phosphorus lattice. The structure of…

Materials Science · Physics 2020-06-16 Kai Chang , Stuart S. P. Parkin

Two-dimensional electron gases (2DEGs) at the surfaces of KTaO3 have become an exciting platform for exploring strong spin-orbit coupling, Rashba physics, and low-carrier-density superconductivity. Yet, a large fraction of reported…

Growing uniform oxides with various thickness on TMDs is one of the biggest challenges to integrate TMDs into complementary metal oxide semiconductor (CMOS) logic circuits. Here, we report a layer-by-layer oxidation of atomically thin MoTe2…

Colossal enhancement of magnetoresistance has been achieved over a broad temperature range which extends upto the room temperature, in ferromagnetic metal-charge ordered insulator manganite multi-layers. The artificially created phase…

Mesoscale and Nanoscale Physics · Physics 2010-06-24 Soumik Mukhopadhyay , I. Das

To investigate structure-property correlations, high-coercivity MnxGa nanoparticles were synthesized by the method of sequential deposition of Ga and Mn fluxes using molecular beam epitaxy. Spontaneous nanostructuring was assisted by the…

Materials Science · Physics 2014-02-21 Michelle E. Jamer , Badih A. Assaf , Steven P. Bennett , Laura H. Lewis , Don Heiman

We present an investigation of Mn {\delta}-doped layers in Si(001) grown by molecular beam epitaxy. We discovered that a Pb surfactant has significant effect on the structural and magnetic properties of the submonolayer of Mn, which depends…

Materials Science · Physics 2015-06-12 S. Kahwaji , R. A. Gordon , E. D. Crozier , S. Roorda , M. D. Robertson , J. Zhu , T. L. Monchesky

The structure of the ultimately-thin crystalline allotrope of silicon oxide, prepared onto a ruthenium surface, is unveiled down to atomic scale with chemical sensitivity, thanks to high resolution scanning tunneling microscopy and first…

We study theoretically the phase diagram of perovskite manganites taking into account the double degeneracy of the $e_g$ orbitals in a $Mn^{3+}$ ion. A rich phase diagram is obtained in the mean field theory at zero temperature as functions…

Strongly Correlated Electrons · Physics 2007-05-23 Ryo Maezono , Sumio Ishihara , Naoto Nagaosa
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