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Related papers: Crystalline C60 fulleride with metal inside

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Small metal-containing molecules have been detected and recognized as one of the hybrid species efficiently formed in space; especially in the circumstellar envelopes of evolved stars. It has been predicted also that more complex hybrid…

Solar and Stellar Astrophysics · Physics 2023-09-21 R. Barzaga , D. A. Garcia-Hernandez , S. Diaz-Tendero , S. Sadjadi , A. Manchado , M. Alcami , M. A. Gomez-Muñoz , T. Huertas-Roldan

Superconducting behavior even under harsh ambient conditions is expected to occur in La@C(60) if it could be isolated from the primary metallofullerene soot when functionalized by CF(3) radicals. We use ab initio density functional theory…

Materials Science · Physics 2017-08-02 Jie Guan , David Tomanek

The presence of neutral C60 fullerenes in circumstellar environments has been firmly established by astronomical observations as well as laboratory experiments and quantum-chemistry calculations. However, the large variations observed in…

Solar and Stellar Astrophysics · Physics 2023-01-04 R. Barzaga , D. A. Garcia-Hernandez , S. Diaz-Tendero , S. Sadjadi , A. Manchado , M. Alcami

We examine effects of encapsulated metal atoms inside a C$_{60}$ molecule on the activation energy barrier to the Stone-Wales transformation using {\it ab initio} calculations. The encapsulated metal atoms we study are K, Ca and La which…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Woon Ih Choi , Gunn Kim , Seungwu Han , Jisoon Ihm

The structural, electronic, and magnetic properties of Gd@C_82 endohedral metallofullerene have been studied by employing on-site correlation corrected, scalar-relativistic and full-relativistic density functional theory within the local…

Atomic and Molecular Clusters · Physics 2009-02-19 Ali Sebetci , Manuel Richter

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

The recent detection of fullerene (C$_{60}$) in space and the positive assignment of five diffuse interstellar bands to C$_{60}^+$ reinforce the notion that fullerene-related compounds can be efficiently formed in circumstellar envelopes…

Solar and Stellar Astrophysics · Physics 2017-08-23 Yong Zhang , SeyedAbdolreza Sadjadi , Chih-Hao Hsia , Sun Kwok

Investigations of clathrate structures have gained a new impetus with the recent discovery of room-temperature superconductivity in metal hydrides. Here we report the finding, through density functional theory calculations, of a clathrate…

Materials Science · Physics 2021-08-02 Jorge Laranjeira , Leonel Marques , Manuel Melle-Franco , Karol Strutynski , Manuel Barroso

For field-effect-doped fullerenes it was reported that the superconducting transition temperature Tc is markedly larger for C60.2CHX_3 (X=Cl, Br) crystals, than for pure C60. Initially this was explained by the expansion of the volume per…

Superconductivity · Physics 2009-11-07 Erik Koch , Olle Gunnarsson

A novel fulleride Sm6C60 has been synthesized using high temperature solid state reaction. The Rietveld refinement on high resolution synchrotron X-ray powder diffraction data shows that Sm6C60 is isostructural with body-centered cubic…

Materials Science · Physics 2009-10-31 X. H. Chen , Z. S. Liu , S. Y. Li , H. C. Dam , Y. Iwasa

Using density functional methods we calculated structural and electronic properties of bulk chloroform and bromoform intercalated C60, C60 2CHX3 (X=Cl,Br). Both compounds are narrow band insulator materials with a gap between valence and…

Materials Science · Physics 2016-08-31 R. Windiks , A. Bill , B. Delley , V. Z. Kresin

Li4C60, one of the best representatives of lithium intercalated fullerides, features a novel type of 2D polymerization. Extensive investigations, including laboratory x-ray and synchrotron radiation diffraction, 13C NMR, MAS and Raman…

Materials Science · Physics 2007-05-23 M. Ricco , T. Shiroka , M. Belli , D. Pontiroli , M. Pagliari , G. Ruani , D. Palles , S. Margadonna , M. Tomaselli

Monolayer fullerene (C$_{60}$) networks combine molecular-level rigidity with crystalline connectivity, offering a promising platform for numerous applications. In this Feature article, we review the physical and chemical properties of…

Materials Science · Physics 2025-09-01 Bo Peng , Michele Pizzochero

The initial insight into electron elastic scattering off endohedral fullerenes A@C60 is gained in the framework of a theoretical approach where the C60 cage is modelled by a rectangular (in the radial coordinate) potential well, as in many…

Atomic Physics · Physics 2014-03-20 V K Dolmatov , M B Cooper , M E Hunter

Recent experimental reports on the realizations of two-dimensional (2D) networks of the C60-based fullerenes with anisotropic and nanoporous lattices represent a significant advance, and create exciting prospects for the development of a…

Materials Science · Physics 2023-07-13 Bohayra Mortazavi

The models of endofullerenes C60 and C82 with silver atom or diatomic silver are calculated with ab initio SCF Hartree-Fock methods including the full geometry optimization. Ag@C60 is a bound system with positive binding energy while…

Materials Science · Physics 2007-05-23 V. S. Gurin

Nanoclusters like fullerenes as the unit to build intriguing two-dimensional topological structures is of great challenge. Here we propose three bridged fullerene monolayers and comprehensively investigate the novel fullerene monolayer as…

Materials Science · Physics 2022-07-21 Linfeng Yu , Jinyuan Xu , Bo Peng , Guangzhao Qin , Gang Su

We present a detailed NMR study of simple cubic CsC60, the only metallic cubic fullerides known so far besides A3C60. 133Cs NMR signals the presence of about 12 to 15% of ``anomalous'' C60 balls, characterized by a 15 meV gap. We present…

Strongly Correlated Electrons · Physics 2009-11-07 V. Brouet , H. Alloul , L. Forro

Endohedral fullerenes, or endofullerenes, are chemical systems of fullerene cages encapsulating single atoms or small molecules. These species provide an interesting challenge of Potential Energy Surface (PES) determination as examples of…

Chemical Physics · Physics 2023-11-21 K. Panchagnula , A. J. W. Thom

Superconductivity in the new polymerized C60 fullerite clathrate doped with simple metals was investigated through density functional theory methods. The phonon dispersion curves were systematically computed for the clathrate structures…

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