179 citations · 315 across the 12 of their papers we have counts for
14 papers
Hydrogen atom/molecule adsorption on 2D metallic porphyrin: A first-principles study
Raphael M. Tromer, Isaac M. Felix, Levi C. Felix +3
Hydrogen is a promising element for applications in new energy sources like fuel cells. One key issue for such applications is storing hydrogen. And, to improve storage capacity, u…
Controlling Movement at Nanoscale: Curvature Driven Mechanotaxis
Leonardo D. Machado, Rafael A. Bizao, Nicola M. Pugno +1
Locating and manipulating nano-sized objects to drive motion is a time and effort consuming task. Recent advances show that it is possible to generate motion without direct interve…
Thiophene-Tetrathia-Annulene monolayer (TTA-2D): A new 2D semiconductor material with indirect bandgap
Raphael M. Tromer, Leonardo D. Machado, Cristiano F. Woellner +1
We propose a new 2D semiconductor material (TTA-2D) based on the molecular structure of Thiophene-Tetrathia-Annulene (TTA). The TTA-2D structural, electronic, and optical propertie…
Zeolite-inspired 3d printed structures with enhanced mechanical properties
Rushikesh S. Ambekar, Eliezer F. Oliveira, Brijesh Kushwaha +7
Specific strength (strength/density) is a crucial factor while designing high load bearing architecture in areas of aerospace and defence. Strength of the material can be enhanced…
Carbon Nanotube Peapods Under High-Strain Rate Conditions: A Molecular Dynamics Investigation
J. M. De Sousa, C. F. Woellner, L. D. Machado +2
New forms of carbon-based materials have received great attention, and the developed materials have found many applications in nanotechnology. Interesting novel carbon structures i…
Three-dimensional carbon nanotube networks from beta zeolite templates: Thermal stability and mechanical properties
Eliezer F. Oliveira, Leonardo D. Machado, Ray H. Baughman +1
We here investigated the thermal and mechanical behaviors of three-dimensional beta zeolite-templated carbon nanotube networks (BZCN). These networks are topologically generated by…
Defect-Free Carbon Nanotube Coils
Nitzan Shadmi, Anna Kremen, Yiftach Frenkel +11
Carbon nanotubes are promising building blocks for various nanoelectronic components. A highly desirable geometry for such applications is a coil. However, coiled nanotube structur…
Structural Transformations of Carbon and Boron Nitride Nanoscrolls at High Impact Collisions
Cristiano F. Woellner, Leonardo D. Machado, Pedro A. S. Autreto +2
The behavior of nanostructures under high strain-rate conditions has been object of theoretical and experimental investigations in recent years. For instance, it has been shown tha…
Scale Effects on the Ballistic Penetration of Graphene Sheets
Rafael A. Bizao, Leonardo D. Machado, Jose M. de Sousa +2
Carbon nanostructures are promising ballistic protection materials, due to their low density and excellent mechanical properties. Recent experimental and computational investigatio…
Carbon Nanoscrolls at High Impacts: A Molecular Dynamics Investigation
Jose Moreira de Sousa, Leonardo Dantas Machado, Cristiano Francisco Woellner +2
The behavior of nanostructures under high strain-rate conditions has been object of interest in recent years. For instance, recent experimental investigations showed that at high v…
A Brief Review on Syntheses, Structures and Applications of Nanoscrolls
E. Perim, L. D. Machado, D. S. Galvao
Nanoscrolls are papyrus-like nanostructures which present unique properties due to their open ended morphology. These properties can be exploited in a plethora of technological app…
The Influence of Morphology on the Charge Transport in Two-Phase Disordered Organic Systems
Cristiano F. Woellner, Leonardo D. Machado, Pedro A. S. Autreto +2
In this work we use a three-dimensional Pauli master equation to investigate the charge carrier mobility of a two-phase system, which can mimic donor-acceptor and amorphous- crysta…
A Nonzero Gap Two-Dimensional Carbon Allotrope from Porous Graphene
G. Brunetto, P. A. S. Autreto, L. D. Machado +3
Graphene is considered one of the most promising materials for future electronic. However, in its pristine form graphene is a gapless material, which imposes limitations to its use…
Anomalous Magnetoresistance in Fibonacci Multilayers
L. D. Machado, C. G. Bezerra, M. A. Correa +3
The present paper theoretically investigates magnetoresistance curves in quasiperiodic magnetic multilayers for two different growth directions, namely [110] and [100]. We consider…