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Related papers: Gold nanotube: structure and melting

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Towards the development of a useful mechanism for hydrogen storage, we have studied the hydrogenation of single-walled carbon nanotubes with atomic hydrogen using core-level photoelectron spectroscopy and x-ray absorption spectroscopy. We…

The structure and elastic properties of (5,5) and (10,10) nanotubes, as well as barriers for relative rotation of the walls and their relative sliding along the axis in a double-walled (5,5)@(10,10) carbon nanotube, are calculated using the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. M. Popov , Yu. E. Lozovik , A. S. Sobennikov , A. A. Knizhnik

In this article we investigate through molecular dynamics simulations the diffusion behavior of the TIP4P/2005 water when confined in pristine and deformed carbon nanotubes (armchair and zigzag). To analyze different diffusive mechanisms,…

Soft Condensed Matter · Physics 2021-02-03 Bruno H. S. Mendonça , Patricia Ternes , Evy Salcedo , Alan B. de Oliveira , Marcia C. Barbosa

Atom-light interactions in nano-scale systems hold great promise for novel technologies based on integrated emitters and optical modes. We present the design architecture, construction method, and characterization of an all-glass…

23Na NMR studies of the Na-K eutectic alloy embedded into porous glass with 7 nm pores showed that melting of Na2K confined nanoparticles is a continuous process with smooth changes in the Knight shift of a narrow resonance line and nuclear…

Materials Science · Physics 2015-06-15 E. V. Charnaya , M. K. Lee , Cheng Tien , L. J. Chang , Z. -J. Wu , Yu. A. Kumzerov , A. S. Bugaev

Metal nanowires exhibit a number of interesting properties: their electrical conductance is quantized, their shot-noise is suppressed by the Pauli principle, and they are remarkably strong and stable. We show that many of these properties…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 C. A. Stafford

Gold nanostructures have important applications in nanoelectronics, nano-optics as well as in precision metrology due to their intriguing opto-electronic properties. These properties are governed by the bulk band structure but to some…

In this work, the structural and magnetic properties of the gold-coated FePt nanoparticles synthesized from high-temperature solution phase are presented. The amount of gold was optimized to obtain most of the FePt particles coated. The…

Materials Science · Physics 2009-11-26 P. de la Presa , M. Multigner , M. P. Morales , T. Rueda , E. Fernandez-Pinel , A. Hernando

We investigate the formation of nanogaps in gold wires due to electromigration. We show that the breaking process will not start until a local temperature of typically 400 K is reached by Joule heating. This value is rather independent of…

Materials Science · Physics 2015-06-25 M. L. Trouwborst , S. J. van der Molen , B. J. van Wees

This study investigates the structural stability of ionized gold clusters of sizes ranging from 22 to 100 atoms, contrasting compact, cage and planar structures. While it is well known that neutral clusters in the upper part of this size…

Materials Science · Physics 2026-02-18 Mohammad Ismaeil Safa , Ehsan Rahmatizad Khajehpasha , Stefan Goedecker

Alkali metals exhibit unexpected structures and electronic behavior at high pressures. Compression of metallic sodium (Na) to 200 GPa leads to the stability of a wide-band-gap insulator with the double hexagonal hP4 structure. Post-hP4…

Materials Science · Physics 2015-08-19 Yinwei Li , Yanchao Wang , Chris J. Pickard , Richard J. Needs , Yi Wang , Yanming Ma

Realizing ferromagnetic semiconductors with room Curie temperature $T\rm_C$ remains a challenge in spintronics. Inspired by the recent experimental progress on the nanotubes based on 2D van der Waals non-magnetic transition-metal…

Materials Science · Physics 2025-01-24 Jia Wen Li , Gang Su , Bo Gu

We present a Tight-Binding Molecular Dynamics investigation of the stability, the geometrical and the electronic structure of suspended monatomic transition metal chains. We show that linear and stable monatomic chains are formed at…

Materials Science · Physics 2007-08-13 A. Hasmy , L. Rincon , R. Hernandez , V. Mujica , M. Marquez , C. Gonzalez

We report the successful synthesis of nanotubules of thermoelectric materials gamma-NaxCoO2 using two different sol-gel routes aided by porous anodized aluminium oxide (AAO) membrane as supporting templates. The gamma-NaxCoO2 nanotubule…

Materials Science · Physics 2009-01-26 Chia-Jyi Liu , Shu-Yo Chen , Long-Jiann Shih

Recently, ultra-small-diameter Single Wall Nano Tubes with diameter of $ \sim 0.4 nm$ have been produced and many unusual properties were observed, such as superconductivity, leading to a transition temperature $T_c\sim 15^oK$, much larger…

Superconductivity · Physics 2009-11-11 S. Bellucci , M. Cini , P. Onorato , E. Perfetto

We study the role of gold droplets in the initial stage of nanowire growth via the vapor liquid solid method. Apart from serving as a collections center for growth species, the gold droplets carry an additional crucial role that necessarily…

Diatomic nitrogen is an archetypal molecular system known for its exceptional stability and complex behavior at high pressures and temperatures, including rich solid polymorphism, formation of energetic states, and an insulator-to-metal…

This review article discusses and compares various techniques for fabricating metal nanowires. We begin by defining what we mean by a nanowire, and why such nanostructures are of scientific and technological interest. We then present…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. Natelson

Structural and thermal characteristics of crystalline ropes of single-wall carbon nanotubes (SWCNTs) are investigated. Novel crystalline ropes of polygonized SWCNTs produced by laser irradiation exhibit rounded-hexagonal cross sections in…

Materials Science · Physics 2015-10-28 M. J. Lopez , A. Rubio , J. A. Alonsos

Similar to the carbon nanotube fabricated from graphene sheet, a black phosphorus nanotube (BPNT) also can theoretically be produced by curling the rectangular single-layer black phosphorus (SLBP). In present study, the effect of thermal…

Computational Physics · Physics 2015-12-24 Kun Cai , Jing Wan , Ning Wei , Haifang Cai , Qing-Hua Qin