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M. J. S. P. Brasil
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Journal Articles

Enhancement of carrier lifetimes in type-II quantum dot/quantum well hybrid structures

O. D. D. Couto, Jr., P. T. de Almeida, G. E. dos Santos, M. A. G. Balanta, H. F. Andriolo, J. A. Brum, M. J. S. P. Brasil, F. Iikawa, B. L. Liang, D. L. Huffaker
Journal: Journal of Applied Physics
J. Appl. Phys. 120, 084305 (2016)
https://doi.org/10.1063/1.4961534
Published: August 2016
View articletitled, Enhancement of carrier lifetimes in type-II quantum dot/quantum well hybrid structures
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Journal Articles

The circular polarization inversion in δ⟨Mn⟩/InGaAs/GaAs light-emitting diodes

M. V. Dorokhin, Yu. A. Danilov, B. N. Zvonkov, M. A. Gonzalez Balanta, M. J. S. P. Brasil, F. Iikawa, U. C. Mendes, J. A. Brum, P. B. Demina, E. I. Malysheva, A. V. Zdoroveyshchev, A. V. Kudrin
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 042406 (2015)
https://doi.org/10.1063/1.4927645
Published: July 2015
View articletitled, The circular polarization inversion in δ⟨Mn⟩/InGaAs/GaAs light-emitting diodes
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Journal Articles

Effects of a nearby Mn delta layer on the optical properties of an InGaAs/GaAs quantum well

M. A. G. Balanta, M. J. S. P. Brasil, F. Iikawa, J. A. Brum, Udson C. Mendes, Yu. A. Danilov, M. V. Dorokhin, Olga V. Vikhrova, Boris N. Zvonkov
Journal: Journal of Applied Physics
J. Appl. Phys. 116, 203501 (2014)
https://doi.org/10.1063/1.4902857
Published: November 2014
View articletitled, Effects of a nearby Mn delta layer on the optical properties of an InGaAs/GaAs quantum well
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Journal Articles

Effects of Be acceptors on the spin polarization of carriers in p-i-n resonant tunneling diodes

I. T. Awan, H. V. A. Galeti, Y. Galvão Gobato, M. J. S. P. Brasil, D. Taylor, M. Henini
Journal: Journal of Applied Physics
J. Appl. Phys. 116, 054506 (2014)
https://doi.org/10.1063/1.4891996
Published: August 2014
View articletitled, Effects of Be acceptors on the spin polarization of carriers in p-i-n resonant tunneling diodes
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Journal Articles

Laser irradiation of carbon nanotube films: Effects and heat dissipation probed by Raman spectroscopy

J. R. Mialichi, M. J. S. P. Brasil, F. Iikawa, C. Veríssimo, S. A. Moshkalev
Journal: Journal of Applied Physics
J. Appl. Phys. 114, 024904 (2013)
https://doi.org/10.1063/1.4813485
Published: July 2013
View articletitled, Laser irradiation of carbon nanotube films: Effects and heat dissipation probed by Raman spectroscopy
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Journal Articles

High energy sideband on the magnetic polaron related luminescence in EuTe

E. Heredia, P. Motisuke, P. H. de Oliveira Rappl, M. J. S. P. Brasil, F. Iikawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 092108 (2012)
https://doi.org/10.1063/1.4748981
Published: August 2012
View articletitled, High energy sideband on the magnetic polaron related luminescence in EuTe
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Journal Articles

On the Nature of the Light Emission of Si Nanoparticles Embedded in SiO 2

C. C. Baganha, E. Ribeiro, E. Silveira, M. J. S. P. Brasil, F. Iikawa, U. S. Sias, E. C. Moreira
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 561–562 (2011)
https://doi.org/10.1063/1.3666503
Published: December 2011
View articletitled, On the Nature of the Light Emission of Si Nanoparticles Embedded in SiO 2
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Journal Articles

Spin injection from two-dimensional electron and hole gases in resonant tunneling diodes

Y. Galvão Gobato, H. V. A. Galeti, L. F. dos Santos, V. López-Richard, D. F. Cesar, G. E. Marques, M. J. S. P. Brasil, M. Orlita, J. Kunc, D. K. Maude, M. Henini, R. J. Airey
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 233507 (2011)
https://doi.org/10.1063/1.3668087
Published: December 2011
View articletitled, Spin injection from two-dimensional electron and hole gases in resonant tunneling diodes
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Journal Articles

Optical properties of multi-layer type II InP/GaAs quantum dots studied by surface photovoltage spectroscopy

Ts. Ivanov, V. Donchev, K. Germanova, P. F. Gomes, F. Iikawa, M. J. S. P. Brasil, M. A. Cotta
Journal: Journal of Applied Physics
J. Appl. Phys. 110, 064302 (2011)
https://doi.org/10.1063/1.3638705
Published: September 2011
View articletitled, Optical properties of multi-layer type II InP/GaAs quantum dots studied by surface photovoltage spectroscopy
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Journal Articles

Enhanced magneto-optical oscillations from two-dimensional hole-gases in the presence of Mn ions

A. L. Gazoto, M. J. S. P. Brasil, F. Iikawa, J. A. Brum, E. Ribeiro, Yu. A. Danilov, O. V. Vikhrova, B. N. Zvonkov
Journal: Applied Physics Letters
Appl. Phys. Lett. 98, 251901 (2011)
https://doi.org/10.1063/1.3601477
Published: June 2011
View articletitled, Enhanced magneto-optical oscillations from two-dimensional hole-gases in the presence of Mn ions
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Journal Articles

Publisher's Note: “Absence of ferromagnetic order in high quality bulk Co-doped ZnO samples” [J. Appl. Phys. 108, 033914 (2010)]

H. B. de Carvalho, M. P. F. de Godoy, R. W. D. Paes, M. Mir, A. Ortiz de Zevallos, F. Iikawa, M. J. S. P. Brasil, V. A. Chitta, W. B. Ferraz, M. A. Boselli, A. C. S. Sabioni
Journal: Journal of Applied Physics
J. Appl. Phys. 108, 079906 (2010)
https://doi.org/10.1063/1.3488970
Published: October 2010
View articletitled, Publisher's Note: “Absence of ferromagnetic order in high quality bulk Co-doped ZnO samples” [J. Appl. Phys. 108, 033914 (2010)]
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Journal Articles

Absence of ferromagnetic order in high quality bulk Co-doped ZnO samples

H. B. de Carvalho, M. P. F. de Godoy, R. W. D. Paes, M. Mir, A. Ortiz de Zevallos, F. Iikawa, M. J. S. P. Brasil, V. A. Chitta, W. B. Ferraz, M. A. Boselli, A. C. S. Sabioni
Journal: Journal of Applied Physics
J. Appl. Phys. 108, 033914 (2010)
https://doi.org/10.1063/1.3459885
Published: August 2010
View articletitled, Absence of ferromagnetic order in high quality bulk Co-doped ZnO samples
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Journal Articles

Ambipolar diffusion and spatial and time-resolved spectroscopies in semiconductor heterostructures

Áurea R. Vasconcellos, M. J. S. P. Brasil, Roberto Luzzi, A. A. P. Silva, A. H. S. Leite
Journal: Journal of Applied Physics
J. Appl. Phys. 106, 043503 (2009)
https://doi.org/10.1063/1.3173176
Published: August 2009
View articletitled, Ambipolar diffusion and spatial and time-resolved spectroscopies in semiconductor heterostructures
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Journal Articles

Giant effective g -factor in Pb x Eu 1 − x Te epitaxial films

E. Heredia, P. H. de Oliveira Rappl, P. Motisuke, A. L. Gazoto, F. Iikawa, M. J. S. P. Brasil
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 031903 (2008)
https://doi.org/10.1063/1.2961018
Published: July 2008
View articletitled, Giant effective g -factor in Pb x Eu 1 − x Te epitaxial films
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Journal Articles

Polarization resolved luminescence in asymmetric n -type Ga As ∕ Al Ga As resonant tunneling diodes

L. F. dos Santos, Y. Galvão Gobato, V. Lopez-Richard, G. E. Marques, M. J. S. P. Brasil, M. Henini, R. J. Airey
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 143505 (2008)
https://doi.org/10.1063/1.2908867
Published: April 2008
View articletitled, Polarization resolved luminescence in asymmetric n -type Ga As ∕ Al Ga As resonant tunneling diodes
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Journal Articles

Carrier dynamics in stacked In P ∕ Ga As quantum dots

A. B. Veloso, M. K. K. Nakaema, M. P. F. de Godoy, J. M. J. Lopes, F. Iikawa, M. J. S. P. Brasil, J. R. R. Bortoleto, M. A. Cotta, P. F. P. Fichtner, M. Morschbächer, J. R. Madureira
Journal: Applied Physics Letters
Appl. Phys. Lett. 91, 121917 (2007)
https://doi.org/10.1063/1.2789705
Published: September 2007
View articletitled, Carrier dynamics in stacked In P ∕ Ga As quantum dots
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Journal Articles

Light controlled spin polarization in asymmetric n -type resonant tunneling diode

L. F. dos Santos, Y. Galvão Gobato, G. E. Marques, M. J. S. P. Brasil, M. Henini, R. Airey
Journal: Applied Physics Letters
Appl. Phys. Lett. 91, 073520 (2007)
https://doi.org/10.1063/1.2772662
Published: August 2007
View articletitled, Light controlled spin polarization in asymmetric n -type resonant tunneling diode
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Journal Articles

Structural and optical properties of InP quantum dots grown on GaAs(001)

M. P. F. de Godoy, M. K. K. Nakaema, F. Iikawa, M. J. S. P. Brasil, J. M. J. Lopes, J. R. R. Bortoleto, M. A. Cotta, R. Magalhães-Paniago, M. J. Mörschbächer, P. F. P. Fichtner
Journal: Journal of Applied Physics
J. Appl. Phys. 101, 073508 (2007)
https://doi.org/10.1063/1.2718869
Published: April 2007
View articletitled, Structural and optical properties of InP quantum dots grown on GaAs(001)
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Journal Articles

Circular polarization from a nonmagnetic p - i - n resonant tunneling diode

H. B. de Carvalho, M. J. S. P. Brasil, Y. Galvão Gobato, G. E. Marques, H. V. A. Galeti, M. Henini, G. Hill
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 062120 (2007)
https://doi.org/10.1063/1.2472522
Published: February 2007
View articletitled, Circular polarization from a nonmagnetic p - i - n resonant tunneling diode
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Journal Articles

Strain redistribution at the phase transition of Mn As ∕ Ga As ( 001 ) films

C. Adriano, C. Giles, O. D. D. Couto, M. J. S. P. Brasil, F. Iikawa, L. Däweritz
Journal: Applied Physics Letters
Appl. Phys. Lett. 88, 151906 (2006)
https://doi.org/10.1063/1.2194407
Published: April 2006
View articletitled, Strain redistribution at the phase transition of Mn As ∕ Ga As ( 001 ) films
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