Search Results - "Boselli, M. A"

Water Dynamics on Germinating Diaspores: Physiological Perspectives from Biophysical Measurements by Ribeiro-Oliveira, J P, Ranal, M A, Boselli, M A

“…We demonstrated that classical biophysical measurements of water dynamics on germinating diaspores (seeds and other dispersal units) can improve the…”
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Evidence of defect-mediated magnetic coupling on hydrogenated Co-doped ZnO by de Godoy, M.P.F., Mesquita, A., Avansi, W., Neves, P.P., Chitta, V.A., Ferraz, W.B., Boselli, M.A., Sabioni, A.C.S., de Carvalho, H.B.

“…► High-quality Co-doped ZnO samples were prepared by solid state reaction method. ► Structural defects were introduced by a post-annealing (Ar-95%+H2-5%,…”
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Roles of Extended and Localized States in the Magnetic and Transport Properties of GaMnAs Alloys by da Cunha Lima, I. C., de Oliveira, E. J. R., Dias Cabral, E., Boselli, M. A.

“…We investigate the spin-polarized transport of holes in GaMnAs/GaAs heterostructures with Mn concentration 5% in which a ferromagnetic order is known to exist…”
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Indirect exchange in (Ga,Mn)As bilayers via the spin-polarized inhomogeneous hole gas: Monte Carlo simulation by A. Boselli, M., C. da Cunha Lima, I., Ghazali, Abdelwahab

“…The magnetic order resulting from an indirect exchange between magnetic moments provided by the spin-polarized hole gas in the metallic phase of a Ga1-xMnxAs…”
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Dynamics of the incorporation of Co into the wurtzite ZnO matrix and its magnetic properties by Mesquita, A., Rhodes, F.P., da Silva, R.T., Neves, P.P., de Zevallos, A.O., Andreeta, M.R.B., de Lima, M.M., Cantarero, A., da Silva, I.S., Boselli, M.A., Gratens, X., Chitta, V.A., Doriguetto, A.C., Ferraz, W.B., Sabioni, A.C.S., de Carvalho, H.B.

“…•ZnO:Co samples were prepared by solid state reaction method up to 30% of Co content.•A Co solubility limit of 23% was determined.•Magnetic results showed a…”
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Ferromagnetism in the metallic phase of (Ga,Mn)N nanostructures by Boselli, M. A., da Cunha Lima, I. C., Leite, J. R., Troper, A., Ghazali, A.

“…The occurrence of ferromagnetism in the metallic phase of (Ga,Mn)N thin layers is studied by Monte Carlo simulation assuming an indirect exchange of the…”
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Electrical control of magnetic quantum wells: Monte Carlo simulations by Dias Cabral, E., Boselli, M. A., Oszwałdowski, R., Žutić, I., da Cunha Lima, I. C.

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The non-metal-to-metal and Vice-Versa transitions in a GaMnAs layer by DIAS CABRAL, E, DA CUNHA LIMA, I. C, BOSELLI, M. A, DA CUNHA LIMA, A. T, GHAZALI, A

“…A self-consistent calculation of the density of states and the spectral density function is performed in a two-dimensional spin-polarized hole system based on…”
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A resonant tunneling diode based on a Ga1-xMnxAs/GaAs double barrier structure by MAKLER, S. S, BOSELLI, M. A, WEBERSZPIL, J, WANG, X. F, DA CUNHA LIMA, I. C

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Magnetic ordering in GaAlAs:Mn heterostructures: Monte Carlo simulation by Boselli, M.A, Ghazali, A, da Cunha Lima, I.C

“…The magnetic order resulting from a confinement-adapted Ruderman–Kittel–Kasuya–Yosida indirect exchange between magnetic moments in the metallic phase of…”
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Spin-polarized mobility in ferromagnetic superlattices of Ga1-xMnxAs by LOUREIRO DA SILVA, L, BOSELLI, M. A, WANG, X. F, DA CUNHA LIMA, I. C, GHAZALI, A

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The Upper Mustang (Nepal) ecosystem: Population, water quality and tourism by Boselli, A. M., Caravello, G. U., Baroni, A.

“…Upper Mustang, a Nepalese valley of high environmental, social and historical interest, and part of the Mustang District, is located in the Trans Himalayan…”
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Spin-polarized transport in GaMnAs multilayers by Loureiro da Silva, L., Boselli, M. A., da Cunha Lima, I. C., Wang, X. F., Ghazali, A.

“…The spin-dependent mobility for the lateral transport of the hole gas in a GaMnAs/GaAs heterostructure containing several metallic-like ferromagnetic layers is…”
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Effect of spin-polarized subbands in the inhomogeneous hole gas providing the indirect exchange in GaMnAs bilayers by Boselli, M.A, Cunha Lima, I.C.da, Ghazali, A

“…The magnetic order resulting from the indirect exchange in the metallic phase of a (Ga,Mn)As/GaAs double layer structure is studied via Monte Carlo simulation…”
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Chlorophyll fluorescence and initial growth of two liana species, Cuspidaria sceptrum (Cham.) L.G. Lohmann and Fridericia florida (DC) L.G. Lohmann, under changes of natural light conditions by PAULA, S.M., BOSELLI, M.A., SANCHES, M.C.

“…The physiological alterations as well as the growth were evaluated in seedlings of two liana species, Cuspidaria sceptrum and Fridericia florida, which were…”
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Mobility of spin-polarized holes in GaMnAs multilayers by Wang, X.F., Loureiro da Silva, L., Boselli, M.A., da Cunha Lima, I.C.

“…The spin-dependent lateral mobility of the hole gas in a AlAs/GaAs quantum well inserted by two Ga 1− x Mn x As metallic ferromagnetic layers is studied. A…”
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Carrier induced ferromagnetism in Mn-doped ZnO: Monte Carlo simulations by Souza, T. M., da Cunha Lima, I. C., Boselli, M. A.

“…Ferromagnetism in Mn-doped ZnO is investigated by Monte Carlo simulations assuming indirect exchange interaction via two different competing mechanisms: (i)…”
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A semiquantitative approach to the impurity-band-related transport properties of GaMnAs nanolayers by de Oliveira, E. J. R, Cabral, E. Dias, Boselli, M. A, Lima, I. C. da Cunha

“…We investigate the spin-polarized transport of GaMnAs nanolayers in which a ferromagnetic order exists below a certain transition temperature. Our calculation…”
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Impurity bands and the character of the electronic states in ferromagnetic GaMnAs layers by Dias Cabral, E., da Cunha Lima, I. C., Boselli, M. A., da Cunha Lima, A. T.

“…The interplay between disorder and spin polarization in a GaMnAs thin layer results into spin-polarized impurity hole bands. A figure of merit is defined to…”
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Lattice vibrations and alloying: A model inspired in the density functional by Ferreira, Luiz G., Boselli, Marco A.

“…By modeling the kinetic-exchange-correlation functional it is possible to find a Hamiltonian for alloying and lattice vibrations consisting of pair…”
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