Search Results - "Costa, A.T."

Spin Dynamics of Itinerant Electron Ferromagnetic Nanostructures by Muniz, R.B., Costa, A.T., Mills, D.L.

“…We review our theoretical studies of the spin dynamics of ultrathin ferromagnetic films adsorbed on metallic substrates. Of interest are the spin waves with…”
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Effects of disorder on the spin wave spectra of ferromagnetic ultrathin films: A critique of naive effective medium approaches by Santos, E.B., Costa, A.T.

“…•Effects of disorder on the dynamical properties of ferromagnets are rarely studied systematically.•The most widely used approach for studying disordered…”
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Investigation of mycoviruses in endophytic and phytopathogenic strains of Colletotrichum from different hosts by Rosseto, P, Costa, A T, Polonio, J C, da Silva, A A, Pamphile, J A, Azevedo, J L

“…Fungi belonging to the Colletotrichum genus can be categorized as endophytic or phytopathogenic. These fungi can be infected by viruses, termed mycoviruses,…”
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Extracellular enzymatic profiles and taxonomic identification of endophytic fungi isolated from four plant species by Alberto, R N, Costa, A T, Polonio, J C, Santos, M S, Rhoden, S A, Azevedo, J L, Pamphile, J A

“…Plants of medicinal and economic importance have been studied to investigate the presence of enzyme-producing endophytic fungi. The characterization of…”
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The dynamic trace memoization reuse technique by da Costa, A.T., Franca, F.M.G., Filho, E.M.C.

“…Dynamic Trace Memoization (DTM) is a reuse technique that employs memoization tables to skip the execution of sequences of redundant instructions. For the…”
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Molecular phylogeny and biotechnological potential of bacterial endophytes associated with Malpighia emarginata by Specian, V, Costa, A T, Felber, A C, Polonio, J C, Azevedo, J L, Pamphile, J A

“…Acerola (Malpighia emarginata) is a shrub native to tropical and subtropical climates, which has great commercial interest due to the high vitamin C content of…”
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Enhanced spin-valve effect in magnetically doped carbon nanotubes by Kirwan, D.F., de Menezes, V.M., Rocha, C.G., Costa, A.T., Muniz, R.B., Fagan, S.B., Ferreira, M.S.

“…Spin valves made of nanotubes contacted to magnetic electrodes may display significant values of magnetoresistance but are limited by the restricted capacity…”
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Au and Cu Atoms on NaCl(001): a single-atom based memory device prototype? by Martins, A. S., da Costa, A. T., Venezuela, P., Muniz, R. B.

“… We present a first-principle study of gold and copper atoms adsorbed in NaCl(001) surfaces. Motivated by a recent STM experiment on this subject, the…”
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Individual-based model for coevolving competing populations by Charret, I.C., Louzada, J.N.C., Costa, A.T.

“…Classical models for competition between two species usually predict exclusion or divergent evolution of resource exploitation. However, recent experimental…”
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Impact of high-intensity ultrasound on fermentation, viability and predictive growth of lactic acid cultures: A study with conventional and probiotic fermented milks by Brito, Luma M., Costa, Giovanna A.T., Reis, Pedro C.C., Guimarães, Jonas. T., Ramos, Gustavo L.P.A., Cruz, Adriano G., Lacerda, Inayara C.A., Alvarenga, Verônica O.

“…This study assessed the effect of high-intensity ultrasound on fermentation, viability, and microbial behavior of starter cultures in fermented milk. First,…”
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Preliminary Investigation on Application of VO2, Polyaniline, and Ethanolic Extracts of Different Fruits as Components for DSSCs by Gomes, A.R., Costa, L.A.T., Silva, M.P.A., Tomé, N.S.R., Cestarolli, D.T., Guerra, E.M.

“…The energy levels of dye-sensitized solar cells (DSSCs) using a combination of vanadium dioxide (VO2), polyaniline (PANI), and dyes such as blueberries…”
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Banks' profitability, institutions, and regulation in the context of the financial crisis by Teixeira, João C.A., Silva, Francisco J.F., Costa, Fernando A.T., Martins, Dário M.C., Batista, Maria da Graça

“…This paper empirically examines how banks' dividend policy, the institutional environment, and banking regulation affects banks' profitability using panel data…”
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Extra-facial melasma: clinical, histopathological, and immunohistochemical case-control study by Ritter, C.G., Fiss, D.V.C., Borges da Costa, J.A.T., de Carvalho, R.R., Bauermann, G., Cestari, T.F.

“…Background  Extra‐facial melasma is a prevalent dermatosis in some populations with special characteristics in relation to its clinical aspects and probable…”
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A Speculative Trace Reuse Architecture with Reduced Hardware Requirements by Pilla, M.L., Childers, B.R., da Costa, A.T., Franca, F.M.G., Navaux, P.O.A.

“…Trace reuse is an effective way of improving the performance of superscalar processors by skipping the execution of a sequence of instructions with known input…”
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Micro-Raman characterization of plasma nitrided Ti6Al4V-ELI by Vasconcellos, M.A.Z., Hinrichs, R., Javorsky, C.S., Giuriatti, G., Borges da Costa, J.A.T.

“…Titanium nitride surface coatings have been extensively used as wear resistant and biocompatible layers on titanium alloys. Plasma nitriding is a suitable…”
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The limits of speculative trace reuse on deeply pipelined processors by Pilla, M.L., Navaux, P.O.A., da Costa, A.T., Franca, F.M.G., Childers, B.R., Soffa, M.L.

“…Trace reuse improves the performance of processors by skipping the execution of sequences of redundant instructions. However, many reusable traces do not have…”
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Effective electronic dynamics in organic charge-transfer salts by Fonseca Romero, K.M., Nemes, M.C., Costa, A.T., Thomaz, M.T.

“…We derive the finite temperature effective dynamics of electrons coupled to in-phase boson modes of a crystal lattice in the long wavelength limit. We extend…”
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Value predictors for reuse through speculation on traces by Pilla, M.L., Navaux, P.O.A., Childers, B.R., da Costa, A.T., Franca, F.M.G.

“…Reusing dynamic sequences of instructions - i.e., traces - improves performance for many benchmarks. However, many traces are not reused because of unavailable…”
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Ion beam analysis of plasma nitrided Ti6Al4V-ELI by Javorsky, C.S., Strohaecker, T.R., Borges da Costa, J.A.T., Vasconcellos, M.A.Z.

“…Nitrogen and aluminum concentration profiles in the near surface region of the Ti6Al4V-ELI alloy plasma nitrided under controlled processing conditions are…”
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Depth dependence of electrical resistivity transformations by ion beams by Miranda, R.M.N., Vasconcellos, M.A.Z., Baibich, M.N., Borges da Costa, J.A.T.

“…In situ electrical resistivity of thin-film β-NiAl under Ar irradiation at 77 K has been measured as a function of the total fluence for different film…”
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