English
Related papers

Related papers: Encapsulation-Induced Alignment in Endofullerenes

200 papers

We studied the temperature stability of the endohedral fullerene molecule, N@C60, inside single-wall carbon nanotubes using electron spin resonance spectroscopy. We found that the nitrogen escapes at higher temperatures in the encapsulated…

Materials Science · Physics 2010-07-14 S. Toth , D. Quintavalle , B. Nafradi , L. Korecz , L. Forro , F. Simon

Magnetism in carbon nanostructures is of high scientific interest, which could lead to novel magnetic materials. The magnetic properties of symmetrical and asymmetrical sized small fullerene dimers have been investigated using spin…

Materials Science · Physics 2020-06-04 Sandeep Kaur , Amrish Sharma , Hitesh Sharma , Isha Mudahar

We show that C$_{60}$ fullerene molecules can serve as promising building blocks in the construction of versatile crystal structures with unique symmetries using first-principles calculations. These phases include quasi-2D layered…

Mesoscale and Nanoscale Physics · Physics 2025-04-03 Darius Kayley , Bo Peng

For the first time, ordered polar molecules confined in monolayer-deep rectangular pits produced on an alkali halide surface by electron irradiation have been resolved at room temperature by non-contact atomic force microscopy. Molecules…

The fluorescence of organic fluorophore molecules is enhanced when they are placed in contact with certain metals (Al, Ag, Cu, Au, etc.) whose surface plasmon waves couple into the radiative modes of the molecules and increase the radiative…

Mesoscale and Nanoscale Physics · Physics 2015-04-21 S. Sarkar , B. Kanchibotla , J. D. Nelson , J. D. Edwards , J. Anderson , G. C. Tepper , S. Bandyopadhyay

In this study, based on density functional theory (DFT), we propose a new branch of pseudo-fullerenes which contain triple bonds with sp hybridization. We should call these new nanostructures fullerynes, according to IUPAC. We present four…

Materials Science · Physics 2020-03-24 Mohammad Qasemnazhand , Farhad Khoeini , Farah Marsusi

Since the first laboratory synthesis of C$_{60}$ in 1985, fullerene-related species have been proposed to interpret various astronomical features. After more than 25 years' efforts, several circumstellar and interstellar features have been…

Solar and Stellar Astrophysics · Physics 2020-04-22 Yong Zhang , Seyedabdolreza Sadjadi , Chih-Hao Hsia

Hybrid polymer-plasmonic nanostructures might combine high enhancement of localized fields from metal nanoparticles with light confinement and long-range transport in subwavelength dielectric structures. Here we report on the complex…

In this letter, we show that a new class of two-dimensional phosphorus allotropes can be constructed via assembling the previously proposed ultrathin metastable phosphorus nanotube into planar structures in different stacking orientations.…

Materials Science · Physics 2018-05-02 Zhenqing Li , Chaoyu He , Tao Ouyang , Chunxiao Zhang , Cao Tang , Rudolf A. Romer , Jianxin Zhong

Fullerene peapods, that is carbon nanotubes encapsulating fullerene molecules, can offer enhanced functionality with respect to empty nanotubes. However, the present incomplete understanding of how a nanotube is affected by entrapped…

Mesoscale and Nanoscale Physics · Physics 2010-09-08 Pawel Utko , Raffaello Ferone , Ilya V. Krive , Robert I. Shekhter , Mats Jonson , Marc Monthioux , Laure Noé , Jesper Nygård

C59N magnetic fullerenes were formed inside single-wall carbon nanotubes by vacuum annealing functionalized C59N molecules encapsulated inside the tubes. A hindered, anisotropic rotation of C59N was deduced from the temperature dependence…

Strongly Correlated Electrons · Physics 2007-05-23 F. Simon , H. Kuzmany , B. Nafradi , T. Feher , L. Forro , F. Fulop , A. Janossy , L. Korecz , A. Rockenbauer , F. Hauke , A. Hirsch

We report idealized mode-coupling theory results for the glass transition of ensembles of model fullerenes interacting via phenomenological two-body potentials. Transition lines are found for C60, C70 and C96 in the temperature-density…

Statistical Mechanics · Physics 2007-05-23 M. J. Greenall , Th. Voigtmann

Intense X-ray photo-absorption from short and intense pulses by a molecule triggers complicated electron and subsequently ion dynamics leading to photo-electron spectra which are difficult to interpret. Illuminating fullerenes offers a way…

Atomic and Molecular Clusters · Physics 2014-08-20 Abraham Camacho Garibay , Ulf Saalmann , Jan M. Rost

Fullerides are crystals made from C60 molecules. When doped with alkali metals the valence electrons of the alkali atoms are transfered to the C60 molecules. We show how to set up a model Hamiltonian to describe the correlated hopping of…

Strongly Correlated Electrons · Physics 2007-05-23 Erik Koch , Olle Gunnarsson , Richard M. Martin

Trapping macromolecules is impoartant for the study of their conformations, interactions, dynamics and kinetic processes. Here, we develop a variational approach which self-consistently introduces a mean force that controls the…

Soft Condensed Matter · Physics 2024-04-23 Luofu Liu , Chao Duan , Rui Wang

To understand the phenomenon of fullerene growth during its synthesis, an attempt is made to model a minimum energy growth route using a semi-empirical quantum mechanics code. C2 addition leading to C60 was modelled and three main routes,…

Chemical Physics · Physics 2016-09-21 Sabih D Khan , Shoaib Ahmad

The generation and control of entanglement in a quantum mechanical system is a critical element of nearly all quantum applications. Molecular systems are a promising candidate, with numerous degrees of freedom able to be targeted. However,…

Quantum Physics · Physics 2023-07-28 Davis M. Welakuh , Spyros Tserkis , Scott E. Smart , Prineha Narang

We study the electronic states of giant single-shell and the recently discovered nested multi-shell carbon fullerenes within the tight-binding approximation. We use two different approaches, one based on iterations and the other on…

Materials Science · Physics 2009-10-22 Yeong-Lieh Lin , Franco Nori

Tight binding molecular dynamics simulations, with a non orthogonal basis set, are performed to study the fragmentation of carbon fullerenes doped with up to six silicon atoms. Both substitutional and adsorbed cases are considered. The…

Materials Science · Physics 2009-11-07 Chu-Chun Fu , Javier Fava , Ruben Weht , M. Weissmann

We study the deterministic entanglement of a pair of neutral atoms trapped in an optical lattice by coupling to excited-state molecular hyperfine potentials. Information can be encoded in the ground-state hyperfine levels and processed by…

Quantum Physics · Physics 2009-11-07 G. K. Brennen , I. H. Deutsch , C. J. Williams