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Closely packed quasi-hexagonal and quasi-tetragonal crystalline phase of C$_{60}$ molecules (named qHPC$_{60}$) was recently synthesized. Here, we used DFT simulations to investigate the electronic, optical, and mechanical properties of…

Materials Science · Physics 2022-08-17 Raphael M. Tromer , Luiz A. Ribeiro Junior , Douglas S. Galvão

Two-dimensional fullerene networks have been synthesized in several forms [Hou et al., Nature 606, 507 (2022)], and it is unknown which monolayer form is stable at ambient condition. Using first principles calculations, I show that the…

Materials Science · Physics 2023-10-27 Bo Peng

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

We carried out fully-atomistic reactive molecular dynamics simulations to study the elastic properties and fracture patterns of transition metal dichalcogenide (TMD) MoX2 (X=S, Se, Te) membranes, in their 2H and 1T phases, within the…

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

Among exciting recent advances in the field of two-dimensional (2D) materials, the successful fabrications of the C60 fullerene networks has been a particularly inspiring accomplishment. Motivated by the recent achievements, herein we…

Materials Science · Physics 2023-08-11 Bohayra Mortazavi , Yves Remond , Hongyuan Fang , Timon Rabczuk , Xiaoying Zhuang

The recent experimental fabrication of monolayer and few-layer C60 polymers paves the way for synthesizing two-dimensional cluster-assembled materials. Compared to atoms with the SO(3) symmetry, clusters as superatoms (e.g., C60) have an…

Materials Science · Physics 2023-05-08 Xueao Li , Fan Zhang , Xuefei Wang , Weiwei Gao , Jijun Zhao

We theoretically investigate the dynamical stability of one-dimensional fullerene polymers by computing the phonon dispersion relations within the atomistic approach. We find that only seven models among 54 models proposed previously [J.…

Materials Science · Physics 2018-03-14 Atsushi Shimizu , Shota Ono

The two-dimensional polymer structure and lattice dynamics of the superionic conductor Li4 C60 are investigated by neutron diffraction and spectroscopy. The peculiar bonding architecture of this compound is definitely confirmed through the…

We present a study on the structural, spectroscopic, conducting and magnetic properties of Mg5C60, a two dimensional (2D) fulleride polymer. The polymer phase is stable up to the exceptionally high temperature of 823 K. Infrared and Raman…

Strongly Correlated Electrons · Physics 2008-01-28 D. Quintavalle , F. Borondics , G. Klupp , A. Baserga , F. Simon , A. Janossy , K. Kamaras , S. Pekker

Recently (C.-T. Toh et al., Nature 577, 199 (2020)), the first synthesis of free-standing monolayer amorphous carbon (MAC) was achieved. MAC is a pure carbon structure composed of five, six, seven and eight atom rings randomly distributed.…

Materials Science · Physics 2020-07-21 Levi C. Felix , Raphael M. Tromer , Luiz A. Ribeiro Junior , Douglas S. Galvao

A quasi-2D semiconductor carbon allotrope called tetrahexcarbon, also named tetragraphene, was recently proposed featuring an unusual structure combining squared and hexagonal rings. Mechanical and electronic properties of tetragraphene…

The novel carbon allotrope with particular and unique 2D arrangement of carbon atoms similar to a Cairo pentagonal tiling, with interplay of $sp^{3}$ and $sp^{2}$ hybridized carbon atoms is called of Penta-graphene (PG). Previous…

Materials Science · Physics 2021-07-07 W. H. S. Brandão , A. L. Aguiar , J. M. De Sousa

We report classical and tight-binding molecular dynamics simulations of the C$_{60}$ fullerene and cubane molecular crystal in order to investigate intermolecular dynamics and polymerization processes. Our results show that, for 200 K and…

Materials Science · Physics 2009-03-19 Vitor R. Coluci , Fernando Sato , Scheila F. Braga , Munir S. Skaf , Douglas S. Galvao

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

Phase transition in fullerenes C60 and C240 are investigated by means of constant-temperature molecular dynamics simulations. In the phase transition region, the assembly (and fragmentation) of the C60 cage from (and to) the gaseous state…

Atomic and Molecular Clusters · Physics 2008-07-29 Adilah Hussien , Alexander Yakubovich , Andrey Solov'yov , Walter Greiner

The thermal stability of C60 dimers and 2D pressure-polymerized C60 is studied using high-resolution capacitance dilatometry. The transformation of both the dimer and the polymer phases back to 'normal' C60 is excellently described by a…

Condensed Matter · Physics 2009-10-31 P. Nagel , V. Pasler , S. Lebedkin , C. Meingast , B. Sundqvist , T. Tanaka , K. Komatsu

We study experimentally the fracture mechanisms of a model cohesive granular medium consisting of glass beads held together by solidified polymer bridges. The elastic response of this material can be controlled by changing the cross-linking…

Soft Condensed Matter · Physics 2018-05-29 Alexander Schmeink , Lucas Goehring , Arnaud Hemmerle

We elucidate the molecular forces leading to assembly of two dimensional membrane-like structures composed of a one rod-length thick monolayer of aligned rods from an immiscible suspension of hard rods and depleting polymers. We perform…

Soft Condensed Matter · Physics 2011-03-15 Yasheng Yang , Edward Barry , Zvonimir Dogic , Michael F. Hagan

Porous graphene (PG) is a graphene derivative endowed of nanoporous architectures. This material possesses a particular structure with interconnected networks of high pore volume, producing membranes with a large surface area. Experiments…

Materials Science · Physics 2020-12-16 Marcelo Lopes Pereira Junior , Luiz Antonio Ribeiro Junior
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