Instituto de Física

Qu Fanyao

(Dr., UnB, Brasília, 1998)

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Pesquisa e pós-graduação

Atividades acadêmicas e ensino de graduação

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Grupo de trabalho

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Local de trabalho

BSS 298

 

Ramal: 298

 

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Pesquisa e pós-graduação

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Últimos trabalhos

Qu Fanyao, A. L. A. Fonseca, O. A. C. Nunes, "Hydrogenic impurities in a quantum well wire in intense, high-frequency laser fields", Physical Review B 54, 16405 (1996)

Qu Fanyao, A. L. A. Fonseca, O. A. C. Nunes, "Intense field effects on hydrogen impurities in quantum dots", Journal of Applied Physics 82, 1236 (1997)

Fanyao Qu, P. C. Morais, "The 2-D-3-D crossover in modulation doped GaAs-Ga(1-x)Al(x)As quantum wells", IEEE Journal of Quantum Electronics 33, 1492 (1997)

Fanyao Qu, P. C. Morais, "Hydrogenic impurity states in n-doped and undoped quantum wells in GaAs-Al x Ga 1-x As embedded in intense laser fields", Journal of the Physical Society of Japan 67, 513 (1998)

Qu Fanyao, A. L. A. Fonseca, O. A. C. Nunes, "Laser dressed binding energy of a hydrogenic impurity in the GaAs-Al x Ga 1-x nanostructure in the presence of a static electric field", Superlattice and Microstructures 23, 1005 (1998)

O. A. C. Nunes, Q. Fanyao, W. Santos, A. L. Fonseca, D. Agrello, "Photostimulated impurity absorption of ultrasound in semiconductor nanostructures", Journal of Applied Physics 84, 2420 (1998)

Fanyao Qu, P. C. Morais, "Investigation of the magnetic field dependence of electronic and optical properties in one-sided modulation-doped GaAs-Ga 1-x Al x As quantum wells", IEEE Journal of Quantum Electronics 34, 1 (1998)

O. A. C. Nunes, Qu Fanyao, D. A. Agrello, A. L. A. Fonseca, "Photostimulated impurity absorption of ultrasound in semiconducting quantum well structure", in XXI Encontro Nacional de Física da Matéria Condensada, Caxambu, p. 1 (1998)

Fanyao Qu, P. C. Morais, "Energy levels in metal oxide semiconductor quantum dots in water-based colloids", Journal of Chemical Physics 111, 8588 (1999)

A. J. C. Cardoso, Fanyao Qu, P. C. Morais, "Optical control of the two-dimensional electron-gas density in single asymmetric quantum wells: magnetic-field effect", Physical Review B 60 (1999)

Qu Fanyao, A. L. A. Fonseca, O. A. C. Nunes, "Stokes shift in one-side modulation-n-doped-strained Ga x In 1-x As/InP asymmetric quantum well", Superlattices and Microstructures 26, 377 (1999)

A. L. A. Fonseca, F. M. S. Lima, Qu Fanyao, "Cálculo de mobilidade eletrônica em hetero-estruturas: uma abordagem geral considerando diversos processos de espalhamento", in XXII Encontro Nacional de Física da Matéria Condensada, São Lourenço (1999)

Fanyao Qu, P. C. Morais, "An oxide semiconductor nanoparticle in an aqueous medium: a surface charge density investigation", Journal of Chemical Physics B 104, 5232 (2000)

Fanyao Qu, P. C. Morais, "2-D-3-D crossover in single asymmetric quantum wells: investigation of the electric field and temperature effects", Journal of Quantum Electronics 36,348 (2000)

F. M. Souza Lima, Qu Fanyao, A. L. A. Fonseca, O. A. C. Nunes, "Cálculo da mobilidade eletrônica em poço quântico de GaAl/AlGaAs dopado em um dos lados e mantido sob influência de um campo magnético", in XXIII Encontro Nacional de Física da Matéria Condensada, São Lourenço, p. 305 (2000)

F. M. Souza Lima, Qu Fanyao, A. L. A. Fonseca, O. A. C. Nunes, "Cálculo da mobilidade eletrônica em poço quântico de GaAl/AlGaAs com dopagem modulada em um dos lados e sob influência de um campo elétrico uniforme", in XXIII Encontro Nacional de Física da Matéria Condensada, São Lourenço, p. 306 (2000)

P. C. Morais, Qu Fanyao, N. O. Dantas, "Observation of the Fermi-edge singularity at low carrier density in GaAs-AlGaAs single asymmetric quantum wells", in XXIII Encontro Nacional de Física da Matéria Condensada, São Lourenço, p. 303 (2000)

P. C. Morais, Qu Fanyao, N. O. Dantas, "The anomalous shift of photon energy in one-side modulation-doped GaAs-AlGaAs single quantum well", in XXIII Encontro Nacional de Física da Matéria Condensada, São Lourenço, p. 312 (2000)

P. C. Morais, Qu Fanyao, N. O. Dantas, "The breakdown of optical control of the two-dimensional electron-gas density in single asymmetric quantum wells: investigation of the temperature effects", in XXIII Encontro Nacional de Física da Matéria Condensada, São Lourenço, p. 303 (2000)

F. M. S. Lima, Qu Fanyao, O. A. C. Nunes, A. L. A. Fonseca, "Electron mobility in one (two)-side modulation-doped GaAs/Al x Ga 1-x asymmetric quantum wells", Physica Status Solidi B 225, 43 (2001)

Fanyao Qu, N. O. Dantas, P. C. Morais, "Observation of the Fermi-edge singularity in n-doped single asymmetric quantum wells: the influence of residual acceptors", Physica E 9, 709 (2001)

Q. Fanyao, N. O. Dantas, P. C. Morais, "The breakdown of the temperature dependence of the photoluminescence peak position in single asymmetric quantum wells", Europhysics Letters 53, 790 (2001)

Q. Fanyao, P. C. Morais, "The pH dependence of the surface charge density in oxide-based semiconductor nanoparticles immersed in aqueous solution", IEEE Transactions on Magnetics 37 2654 (2001)

N. O. Dantas, Fanyao Qu, P. C. Morais, "Anomalous shift of the recombination energy in single asymmetric quantum wells", Brazilian Journal of Physics 32, 306 (2002)

N. O. Dantas, Fanyao Qu, R. S. Silva, P. C. Morais, "Anti-Stokes photoluminescence in nanocrystal quantum dots", Journal of Physical Chemistry B 106, 7453 (2002)

F. M. S. Lima, A. L. A. Fonseca, O. A. C. Nunes, Q. Fanyao, "Electric field effects on electron mobility in n-AlGaAs/GaAs/AlGaAs single asymmetric quantum wells", Journal of Applied Physics 92, 5296 (2002)

F. M. S. Lima, A. L. A. Fonseca, O. A. C. Nunes, Fanyao Qu, V. N. Freire, E. F. da Silva Jr., "Effect of residual acceptors on electron mobility in single asymmetric quantum wells", Physica E (2002)

P. C. Morais, Fanyao Qu, "A quantum dot model for the surface charge density in ferrite-based ionic magnetic fluids", Journal of Magnetism and Magnetic Materials 252, 117 (2002)

Qu Fanyao, P. C. Morais, "Nanoparticle surface charge density in ionic magnetic fluids: the effect of particle-particle interaction", Journal of Applied Physics 93, 7385 (2003)

Fanyao Qu, N. O. Dantas, P. C. Morais, S. P. Daude, "The effects of external field on the surface charge distribution of spherical nanoparticles", Microelectronics Journal 34, 471 (2003)

Fanyao Qu, A. T. Lino, N. O. Dantas, P. C. Morais, E. C. F. Silva, A. A. Quivy, J. R. Leite, "H-band emission in single heterojunctions", Microelectronics Journal 34, 755 (2003)

F. M. S. Lima, A. L. A. Fonseca, O. A. C. Nunes, Fanyao Qu, V. N. Freire, E. F. da Silva Jr., "Effect of residual acceptors on electron mobility in single asymmetric quantum wells", Physica E 17, 322 (2003)

Fanyao Qu, N. O. Dantas, P. C. Morais, E. C. F. da Silva, A. A. Quivy, J. R. Leite, "Optical properties of H-band emission in single heterojunctions", Journal of Applied Physics 94, 1686 (2003)

Q. Fanyao, P. C. Morais, "The optical Stark effect in semiconductor quantum wires", Physics Letters A 310, 460 (2003)

B. G. Enders, F. M. S. Lima, O. A. C. Nunes, A. L. A. Fonseca, D. A. Agrello, Fanyao Qu, E. F. da Silva, V. N. Freire, "Electronic properties of a quasi-two-dimensional electron gas in semiconductor quantum wells under intense laser fields", Physical Review B 70, 035307 (2004)

Q. Fanyao, D. R. Santos, N. O. Dantas, A. F. G. Monte, P. C. Morais, "Effects of nanocrystal shape on the physical properties of colloidal ZnO quantum well", Physica E 23, 410 (2004)

Q. Fanyao, R. H. Oliveira, P. C. Morais, "Effects of nanocrystal shape on the surface charge density of ionic colloidal nanoparticles", Journal of Magnetism and Magnetic Materials 272, 1668 (2004)
94) E. C. Sousa, M. H. Sousa, G. F. Goya, H. R. Rechenberg, M. C. F. L. Lara, F. A. Tourinho, J. Depeyrot, "Enhanced surface anisotropy evidenced by Mössbauer spectroscopy in nickel ferrite", Journal of Magnetism and Magnetic Materials 272, 1215 (2004)

Q. Fanyao, D. R. Santos, P. C. Morais, "The effects of external magnetic field upon the stability of ionic magnetic fluids", Journal of Magnetism and Magnetic Materials 272, 943 (2004)

R. S. Silva, A. F. G. Monte, P. C. Morais, A. M. Alcalde, Fanyao Qu, N. O. Dantas, "Synthesis and characterization of PbS quantum dots embedded in oxide glass", Brazilian Journal of Physics 36, 394 (2006)

R. S. Silva, P. C. Morais, A. M. Alcalde, Qu Fanyao, A. F. G. Monte, N. O. Dantas, "Optical properties of PbSe quantum dots embedded in oxide glass", Journal of Non-crystalline Solids 352, 3522 (2006)

N. O. Dantas, Qu Fanyao, A. F. G. Monte, R. S. Silva, P. C. Morais, "Optical properties of IV-VI quantum dots embedded in glass: size-effects", Journal of Non-crystalline Solids 352, 3525 (2006)

P. C. Morais, Qu Fanyao, "The quantum mechanical description of the dot-dot interaction in ionic colloids", Journal of Alloys and Compounds 434, 565 (2007)

R. S. Silva, P. C. Morais, Qu Fanyao, A. M. Alcalde, N. O. Dantas, H. S. L. Sullasi, "Synthesis process controlled magnetic properties of Pb1-xMnxS nanocrystals", Applied Physics Letters 90, 253114 (2007)

R. S. Silva, P. C. Morais, H. S. L. Sullasi, W. E. F. Ayta, Qu Fanyao, N. O. Dantas, "Optical and electron paramagnetic resonance spectroscopies of Mn-doped PbS nanocrystals", IEEE Transactions on Magnetics 43, 3124 (2007)

P. C. Morais, Qu Fanyao, "The quantum mechanical description of the dot-dot interaction in ionic colloids", Journal of Alloys and Compounds 434, 565 (2007)

P. C. Morais, Qu Fanyao, O. O. Diniz Neto, N. O. Dantas, "Spin-dependent transport in quantum dots mediated by Mn2+ ions", Journal of Applied Physics 103, 07B707 (2008)

Qu Fanyao, D. R. Santos Jr., P. C. Morais, "Colloidal stability in magnetic fluids: effects of the intrinsic dipolar magnetic field in magnetic semiconductors", Journal of Physics-Condensed Matter 20, 204114 (2008)

Qu Fanyao, C. G. de Almeida, P. C. Morais, "Electrical controlled magnetic property of magnetic ions doped single quantum dots", Journal of Magnetism and Magnetic Materials 320, E412 (2008)

R. S. Silva, P. C. Morais, E. Mosiniewicz-Szablewska, R. F. Cuevas, J. C. P. Campoy, F. Pelegrini F, Qu Fanyao, N. O. Dantas, "Synthesis and magnetic characterization of Pb1-xMnxS nanocrystals in glass matrix", Journal of Physics D 41, 165005 (2008)

N. O. Dantas, L. Damigo, Qu Fanyao, R. S. Silva, P. P. C. Sartoratto, K. L. Miranda, E. C. Vilela, F. Pelegrini, P. C. Morais, "Structural and magnetic properties of ZnO and Zn1-xMnxO nanocrystals", Journal of Non-Crystalline Solids 354, 4727 (2008)

N. O. Dantas, L. Damigo, Qu Fanyao, J. F. R. Cunha, R. S. Silva, K. L. Miranda, E. C. Vilela, P. P. C. Sartoratto, P. C. Morais, "Raman investigation of ZnO and Zn1-xMnxO nanocrystals synthesized by precipitation method", Journal of Non-Crystalline Solids 354, 4827 (2008)

R. S. Silva, P. C. Morais, H. S. L. Sullasi, W. E. F. Ayta, Qu Fanyao, N. O. Dantas, "Magnetic and optical characterization of Mn-doped PbS nanocrystals supported in oxide glass matrix", Journal of Alloys and Compounds 483, 204 (2009)

Qu Fanyao, G. L. Iorio, V. Lopez-Richard, G. E. Marques, "Electrical control of singlet-triplet entanglement in lateral quantum dot molecules", Applied Physics Letters 95 083101 (2009)

F. V. Moura, L. O. Massa, P. H. Oliveira Neto, R. Gargano, Qu Fanyao, "Electronic structure of vertically coupled double quantum dots: optimization of basis functions", Chemical Physics Letters 494, 228 (2010)

L. Villegas-Lelovsky, Qu Fanyao, V. Lopez-Richard, G. E. Marques, "Control of p-d exchange interaction in single Mn-doped vertically coupled asymmetric double quantum dots", Physical Review B 82, 193304 (2010)

E. Margapoti, F. M. Alves, S. Mahapatra, T. Schmidt, V. Lopez-Richard, C. Destefani, E. Menendez-Proupin, Qu Fanyao, C. Bougerol, K. Brunner, A. Forchel, G. E. Marques, L. Worschech, "Characterization of spin-state tuning in thermally annealed semiconductor quantum dots", Physical Review B 82, 205318 (2010)

Qu Fanyao, D. R. Santos Jr., P. C. Morais, V. Lopez-Richard, G. E. Marques, "Tunability of magnetization in lateral few electron double quantum dots", Journal of Applied Physics 108, 094325 (2010)

A. F. G. Monte, F. Y. Qu, "Nonlinear effects of the photocurrent in self-assembled InAs/GaAs quantum dots", Journal of Applied Physics 109, 053722 (2011)

E. Vernek, F. Y. Qu, F. M. Souza, J. C. Egues, E. V. Anda, "Kondo screening regimes of a quantum dot with a single Mn ion", Physical Review B 83, 205422 (2011)

L. Villegas-Lelovsky, Qu Fanyao, L. O. Massa, V. Lopez-Richard, G. E. Marques, "Hole-mediated ferromagnetism in coupled semimagnetic quantum dots", Physical Review B 84, 075319 (2011)

 

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