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Metallocenes can be encapsulated inside the carbon nanotubes. The structural, energetic and electronic properties of organometallic MCp2@SWCNT are obtained from DFT method. We verify that such encapsulation is noncovalent functionalization,…

Materials Science · Physics 2011-09-15 Fenglei Cao , Wei Ren , Xianfang Xu , Ye-Xiang Tong , Cunyuan Zhao

We analyze a new family of carbon nanotube-based molecular wires, formed by encapsulating metallocene molecules inside the nanotubes. Our simulations, that are based on a combination of non-equilibrium Green function techniques and density…

Materials Science · Physics 2009-11-11 V. M. Garcia-Suarez , J. Ferrer , C. J. Lambert

Monoatomic chains of molybdenum encapsulated in single walled carbon nanotubes of different chiralities are investigated using density functional theory. We determine the optimal size of the carbon nanotube for encapsulating a single atomic…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. García-Fuente , V. M. García-Suárez , J. Ferrer , A. Vega

In a recent paper Liang {\it et al.} [Nature {\bf 411}, 665 (2001)] showed experimentally, that metallic nanotubes, strongly coupled to external electrodes, may act as coherent molecular waveguides for electronic transport. The experimental…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 S. Krompiewski , J. Martinek , J. Barnas

Using first principles calculations in the framework of Density Functional Theory, we investigated the electronic and transport properties of metal(II)-phthalocyanine (M(II)Pc) systems, both in a single molecule configuration and in a…

Soft Condensed Matter · Physics 2009-11-13 Arrigo Calzolari , Andrea Ferretti , Marco Buongiorno Nardelli

We theoretically study the interplay between electrical and mechanical properties of suspended, doubly clamped carbon nanotubes in which charging effects dominate. In this geometry, the capacitance between the nanotube and the gate(s)…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 S. Sapmaz , Ya. M. Blanter , L. Gurevich , H. S. J. van der Zant

Using first-principles total-energy pseudopotential calculations, we have studied the properties of chains of potassium and aluminum in nanotubes. For BN tubes, there is little interaction between the metal chains and the tubes, and the…

Nanogranular metal composites, consisting of immiscible metallic and insulating phases deposited on a substrate, are characterized by two distinct electronic transport regimes depending on the relative amount of the metallic phase. At…

Disordered Systems and Neural Networks · Physics 2014-06-20 C. Grimaldi

Ambipolar charge carrier transport in Copper phthalocyanine (CuPc) is studied experimentally in field-effect transistors and metal-insulator-semiconductor diodes at various temperatures. The electronic structure and the transport properties…

Mesoscale and Nanoscale Physics · Physics 2015-03-13 C. Schuster , M. Kraus , A. Opitz , W. Brütting , U. Eckern

We propose that electron doped nontransition metal-phthalocyanines (MPc) like ZnPc and MgPc, similar to those very recently reported, should constitute novel strongly correlated metals. Due to orbital degeneracy, Jahn-Teller coupling and…

Strongly Correlated Electrons · Physics 2009-11-10 Erio Tosatti , Michele Fabrizio , Jaroslav Tobik , Giuseppe E. Santoro

In this work we present an ab-initio study of electronic properties of 1 dimensional (1D) core-shell nanostructures made of MS2 (MoS2, WS2) or BN armchair nanotube encapsulated carbon nanotubes (CNT). With local density approximation (LDA)…

Materials Science · Physics 2017-03-24 Amretashis Sengupta

The change of conductance of single molecule junctions in response to various external stimuli is the fundamental mechanism for single-molecule electronic devices with multiple functionalities. We propose a concept that the conductance of…

Mesoscale and Nanoscale Physics · Physics 2014-12-04 Chengbo Zhu , Xiaolin Wang

We simulate the electronic and transport properties of metal/two-dimensional material/metal vertical heterostructures, with a focus on graphene, hexagonal boron nitride and two phases of molybdenum diselenide. Using density functional…

Mesoscale and Nanoscale Physics · Physics 2025-02-06 Gaëlle Bigeard , Zineb Kerrami , François Triozon , Alessandro Cresti

Using density functional calculations, we investigate the structural and magnetic properties of ultrathin Gd and Gd-carbide nanowires (NWs) encapsulated in narrow carbon nanotubes (CNTs). The equilibrium geometry of an encapsulated (2…

Materials Science · Physics 2010-10-05 Jae-Hyeon Parq , Jaejun Yu , Gunn Kim

We have investigated the effects of the interfacial bond arrangement on the electronic transport features of metal-nanotube-metal systems. The transport properties of finite, defect-free armchair and zigzag single-walled carbon nanotubes…

Materials Science · Physics 2007-05-23 Ioannis Deretzis , Antonino La Magna

We study transport properties of a strongly correlated monoatomic chain coupled to metallic leads. Our system is described by tight binding Hubbard-like model in the limit of strong on-site electron-electron interactions in the wire. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. Krawiec , T. Kwapinski

We report on experiments conducted on single walled carbon nanotube bundles aligned in chains and connected through a natural contact barrier. The dependence upon the temperature of the transport properties is investigated for samples…

Mesoscale and Nanoscale Physics · Physics 2011-02-24 M. Salvato , M. Cirillo , M. Lucci , S. Orlanducci , I. Ottaviani , M. L. Terranova , F. Toschi

We study the electronic transport properties of two-dimensional (2D) fully-hydrogenated borophene (namely, borophane), using the density functional theory and non-equilibrium Green's function approaches. Borophane shows a perfect electrical…

Materials Science · Physics 2018-10-17 Yipeng An , Jutao Jiao , Yusheng Hou , Hui Wang , Dapeng Wu , Tianxing Wang , Zhaoming Fu , Guoliang Xu , Ruqian Wu

Motivated by recent experiments of successfully carving out stable carbon atomic chains from graphene, we investigate a device structure of a carbon chain connecting two zigzag graphene nanoribbons with highly tunable spin-dependent…

Mesoscale and Nanoscale Physics · Physics 2013-06-17 Yuehua Xu , Bao-Ji Wang , San-Huang Ke

The charge transport properties of single superconducting tin nanowires, encapsulated by multiwalled carbon nanotubes have been investigated by multi-probe measurements. The multiwalled carbon nanotube protects the tin nanowire from…

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