Search Results - "GALVAO, D. S"

Site-dependent hydrogenation on graphdiyne by Autreto, P.A.S., de Sousa, J.M., Galvao, D.S.

“…Graphene is one of the most important materials in science today due to its unique and remarkable electronic, thermal and mechanical properties. However in its…”
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Hierarchically buckled sheath-core fibers for superelastic electronics, sensors, and muscles by Liu, Z. F., Fang, S., Moura, F. A., Ding, J. N., Jiang, N., Di, J., Zhang, M., Lepró, X., Galvão, D. S., Haines, C. S., Yuan, N. Y., Yin, S. G., Lee, D. W., Wang, R., Wang, H. Y., Lv, W., Dong, C., Zhang, R. C., Chen, M. J., Yin, Q., Chong, Y. T., Zhang, R., Wang, X., Lima, M. D., Ovalle-Robles, R., Qian, D., Lu, H., Baughman, R. H.

“…Superelastic conducting fibers with improved properties and functionalities are needed for diverse applications. Here we report the fabrication of highly…”
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Inorganic Graphenylene: A Porous Two-Dimensional Material With Tunable Band Gap by Perim, E, Paupitz, R, Autreto, P. A. S, Galvao, D. S

“…By means of ab initio calculations, we investigate the possibility of existence of a boron nitride (BN) porous two-dimensional nanosheet, which is…”
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Nonzero Gap Two-Dimensional Carbon Allotrope from Porous Graphene by Brunetto, G, Autreto, P. A. S, Machado, L. D, Santos, B. I, dos Santos, R. P. B, Galvão, D. S

“…Graphene is considered one of the most promising materials for future electronics. However, in its pristine form, graphene is a gapless material, which imposes…”
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Quantum biochemical analysis of the TtgR regulator and effectors by de Carvalho Matias, E. G., Bezerra, K. S., Costa, A. H. Lima, Clemente Junior, W. S., Oliveira, J. I. N., Ribeiro Junior, L. A., Galvão, D. S., Fulco, U. L.

“…The recent expansion of multidrug-resistant (MDR) pathogens poses significant challenges in treating healthcare-associated infections. Although antibacterial…”
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Linear Carbon Chains under High-Pressure Conditions by Andrade, N. F, Aguiar, A. L, Kim, Y. A, Endo, M, Freire, P. T. C, Brunetto, G, Galvão, D. S, Dresselhaus, M. S, Souza Filho, A. G

“…A high-pressure resonance Raman spectroscopy study of linear carbon chains encapsulated inside multiwalled carbon nanotubes (MWCNTs) is reported. While the…”
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On the Mechanical Properties of Popgraphene‐Based Nanotubes: a Reactive Molecular Dynamics Study by Brandão, W. H. S., Aguiar, A. L., Ribeiro, L. A., Galvão, D. S., De Sousa, J. M.

“…Carbon‐based tubular materials have sparked a great interest in future electronics and optoelectronics device applications. In this work, we computationally…”
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Molecular-dynamics simulations of carbon nanotubes as gigahertz oscillators by Legoas, S B, Coluci, V R, Braga, S F, Coura, P Z, Dantas, S O, Galvão, D S

“…Recently, Zheng and Jiang [Phys. Rev. Lett. 88, 045503 (2002)]] have proposed that multiwalled carbon nanotubes could be the basis for a new generation of…”
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Prediction of the hydrogen storage capacity of carbon nanoscrolls by Coluci, V. R., Braga, S. F., Baughman, R. H., Galvão, D. S.

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Mechanical deformation of nanoscale metal rods: when size and shape matter by Lagos, M J, Sato, F, Galvão, D S, Ugarte, D

“…Face centered cubic metals deform mainly by propagating partial dislocations generating planar fault ribbons. How do metals deform if the size is smaller than…”
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Observation of the smallest metal nanotube with a square cross-section by Ugarte, D, Lagos, M. J, Sato, F, Bettini, J, Rodrigues, V, Galvão, D. S

“…Understanding the mechanical properties of nanoscale systems requires a range of measurement techniques and theoretical approaches to gather the relevant…”
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Experimental realization of suspended atomic chains composed of different atomic species by Galvão, D. S, Bettini, J, Sato, F, Coura, P. Z, Dantas, S. O, Ugarte, D

“…Research into nanostructured materials frequently relates to pure substances. This contrasts with industrial applications, where chemical doping or alloying is…”
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Violation of the universal behavior of membranes inside cylindrical tubes at nanoscale by Perim, E., Fonseca, A. F., Pugno, N. M., Galvao, D. S.

“…Recently, it was proposed based on classical elasticity theory and experiments at macroscale, that the conformations of sheets inside cylindrical tubes present…”
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Mechanical properties of carbon nanotube networks by molecular mechanics and impact molecular dynamics calculations by Coluci, V. R., Dantas, S. O., Jorio, A., Galvão, D. S.

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Dynamics of the formation of carbon nanotube serpentines by Machado, L D, Legoas, S B, Soares, J S, Shadmi, N, Jorio, A, Joselevich, E, Galvão, D S

“…Recently, Geblinger et al. [Nat. Nanotechnol. 3, 195 (2008)] reported the experimental realization of carbon nanotube S-like shaped nanostructures, the…”
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Defects in Graphene-Based Twisted Nanoribbons: Structural, Electronic, and Optical Properties by Caetano, E. W. S, Freire, V. N, dos Santos, S. G, Albuquerque, E. L, Galvão, D. S, Sato, F

“…We present some computational simulations of graphene-based nanoribbons with a number of half-twists varying from 0 to 4 and two types of defects obtained by…”
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Indication of unusual pentagonal structures in atomic-size Cu nanowires by GONZALEZ, J. C, RODRIGUES, V, BETTINI, J, REGO, L. G. C, ROCHA, A. R, COURA, P. Z, DANTAS, S. O, SATO, F, GALVAO, D. S, UGARTE, D

“…We present a study of the structural and quantum conductance properties of atomic-size copper nanowires generated by mechanical stretching. The atomistic…”
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Entanglement and the nonlinear elastic behavior of forests of coiled carbon nanotubes by Coluci, V R, Fonseca, A F, Galvão, D S, Daraio, C

“…Helical or coiled nanostructures have been objects of intense experimental and theoretical studies due to their special electronic and mechanical properties…”
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Intrinsic stability of the smallest possible silver nanotube by Autreto, P A S, Lagos, M J, Sato, F, Bettini, J, Rocha, A R, Rodrigues, V, Ugarte, D, Galvao, D S

“…Recently, Lagos et al. [Nature Nanotech. 4, 149 (2009)] reported the discovery of the smallest possible Ag nanotube with a square cross section. Ab initio…”
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Thermophoretically driven carbon nanotube oscillators by Coluci, V. R., Timóteo, V. S., Galvão, D. S.

“…The behavior of a nanodevice based upon double-walled carbon nanotube oscillators driven by periodically applied thermal gradients (7 and 17 K/nm) is…”
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