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1

Accumulation layer and interface effects in doped nonabrupt GaAs/AlxGa1-xAs heterojunctions

Alexander K. Freire, J.Ribeiro Filho, Gil A. Farias, Valder N. Freire

Journal:

Superlattices and Microstructures

Year:

1995

File:

PDF, 159 KB

1995

2

A percolation based dielectric breakdown model with randomic changes in the dielectric constant

Sergio S. Sombra, Uriel M.S. Costa, Valder N. Freire, E.A. de Vasconcelos, Eronildes F. da Silva Jr.

Journal:

Physica A: Statistical Mechanics and its Applications

Year:

2002

Language:

english

File:

PDF, 135 KB

english, 2002

3

As barrier subjected to an electric field

Lima, M. Consuelo A., Farias, Gil A., Freire, Valder N.

Journal:

Physical Review B

Year:

1995

Language:

english

File:

PDF, 174 KB

english, 1995

4

Ultrafast mobility in photoinjected polar semiconductors

Freire, Valder N., Vasconcellos, Áurea R., Luzzi, Roberto

Journal:

Physical Review B

Year:

1989

Language:

english

File:

PDF, 529 KB

english, 1989

5

DFT Calculations with van der Waals Interactions of Hydrated Calcium Carbonate Crystals CaCO 3 ·(H 2 O, 6H 2 O): Structural, Electronic, Optical, and Vibrational Properties

Costa, Stefane N., Freire, Valder N., Caetano, Ewerton W. S., Maia, Francisco F., Barboza, Carlos A., Fulco, Umberto L., Albuquerque, Eudenilson L.

Journal:

Journal of Physical Chemistry A

Year:

2016

Language:

english

File:

PDF, 5.31 MB

english, 2016

6

Energy levels of single nonabrupt GaAs/AlxGa1-xAs quantum wells

Eraldo C. Ferreira, J.Alzamir P. da Costa, Gil A. Farias, Valder N. Freire

Journal:

Superlattices and Microstructures

Year:

1995

File:

PDF, 173 KB

1995

7

The influence of growth patterns on the transmission properties of nonabrupt GaAs/AlxGa1−xAs heterojunctions

José Ribeiro Filho, Gil A. Farias, Valder N. Freire

Journal:

Superlattices and Microstructures

Year:

1996

Language:

english

File:

PDF, 302 KB

english, 1996

8

The time response of photoexcited carriers to strong high-frequency and constant electric fields

Valder N. Freire, Antônio J.C. Sampaio

Journal:

Solid State Communications

Year:

1990

Language:

english

File:

PDF, 245 KB

english, 1990

9

On the coherent tunneling current in semiconductor heterostructures

J. Alfred, B. Saip, Valder N. Freire

Journal:

Solid State Communications

Year:

1992

Language:

english

File:

PDF, 205 KB

english, 1992

10

High field transient of photoexcited GaAs electrons and holes with acoustic and to-phonon momentum scattering

A.P.C. Pires Filho, Ana E.P. Maia, A.J.C. Sampaio, Valder N. Freire

Journal:

Solid State Communications

Year:

1992

Language:

english

File:

PDF, 294 KB

english, 1992

11

Resonant peaks in the transmission coefficient of compositionally nonabrupt GaAs/AlxGa1−xAs heterojunctions

Valder N. Freire, Margarida M. Auto, Gil A. Farias

Journal:

Superlattices and Microstructures

Year:

1992

Language:

english

File:

PDF, 385 KB

english, 1992

12

AFM and hydrodynamic electrochemical characterization of the self-assembled 1,4-dithiane on gold surface

Pedro de Lima-Neto, Marcelo M.V. Parente, Ícaro S. Moreira, Izaura C.N. Diógenes, Oscar R. Mattos, Oswaldo E. Barcia, Ricardo P. Santos, Valder N. Freire

Journal:

Journal of Electroanalytical Chemistry

Year:

2007

Language:

english

File:

PDF, 374 KB

english, 2007

13

Smooth interface effects on the confinement properties of GaSb/AlxGa1−xSb quantum wells

Artur B. Adib, Jeanlex S. de Sousa, Gil A. Farias, Valder N. Freire

Journal:

Applied Surface Science

Year:

2000

Language:

english

File:

PDF, 326 KB

english, 2000

14

Strong exciton energy blue shift in annealed Si/SiO2 single quantum wells

Jeanlex S. de Sousa, H. Wang, Gil A. Farias, Valder N. Freire, Eronides F. da Silva Jr

Journal:

Applied Surface Science

Year:

2000

Language:

english

File:

PDF, 89 KB

english, 2000

15

Influence of graded interfaces on the exciton energy of type-I and type-II Si/Si1-xGexquantum wires

Andrey Chaves, Jusciane da Costa e Silva, José Alexander de King Freire, Marcos Henrique Degani, Valder Nogueira Freire, Gil de Aquino Farias

Journal:

Journal of Materials Science

Year:

2007

Language:

english

File:

PDF, 218 KB

english, 2007

16

The influence of 4-mercaptopyridine layer instability on rapid electron transfer reaction

Pedro de Lima-Neto, Marcelo M.V. Parente, Ícaro S. Moreira, Izaura C.N. Diógenes, Oscar R. Mattos, Oswaldo E. Barcia, Ricardo P. Santos, Valder N. Freire

Journal:

Journal of Electroanalytical Chemistry

Year:

2008

Language:

english

File:

PDF, 292 KB

english, 2008

17

Interface effects on the resonant tunnelling in GaAs/AlxGa1−xAs double-quantum-well triple-barriers

Maria Consuelo A Lima, Gil A Farias, Valder N Freire

Journal:

Microelectronic Engineering

Year:

1998

Language:

english

File:

PDF, 101 KB

english, 1998

18

The influence of interfacial growth patterns on the transmission of electrons through nonabrupt GaAs/AlxGa1−xAs double-barriers

Maria Consuelo A Lima, Gil A Farias, Valder N Freire

Journal:

Microelectronic Engineering

Year:

1998

Language:

english

File:

PDF, 118 KB

english, 1998

19

Crystal structure of a lectin from Canavalia maritima (ConM) in complex with trehalose and maltose reveals relevant mutation in ConA-like lectins

Plínio Delatorre, Bruno A.M. Rocha, Carlos A.A. Gadelha, Tatiane Santi-Gadelha, João B. Cajazeiras, Emmanuel P. Souza, Kyria S. Nascimento, Valder N. Freire, Alexandre H. Sampaio, Walter F. Azevedo Jr

Journal:

Journal of Structural Biology

Year:

2006

Language:

english

File:

PDF, 594 KB

english, 2006

20

Two-Level Adsorption of Ibuprofen on C 60 Fullerene for Transdermal Delivery: Classical Molecular Dynamics and Density Functional Theory Computations

Hadad, André, Azevedo, David L., Caetano, Ewerton W. S., Freire, Valder N., Mendonça, Glaydson L. F., Neto, Pedro L., Albuquerque, Eudenilson L., Margis, Rogerio, Gottfried, Carmem

Journal:

The Journal of Physical Chemistry C

Year:

2011

Language:

english

File:

PDF, 3.41 MB

english, 2011

21

Sensitive voltammetric responses and mechanistic insights into the determination of residue levels of endosulfan in fresh foodstuffs and raw natural waters

Ribeiro, Francisco W.P., Oliveira, Thiago M.B.F., da Silva, Francisco L.F., Mendonça, Glaydson L.F., Homem-de-Mello, Paula, Becker, Helena, de Lima-Neto, Pedro, Correia, Adriana N., Freire, Valder Nog

Journal:

Microchemical Journal

Year:

2013

Language:

english

File:

PDF, 702 KB

english, 2013

22

Electrochemical and Monte Carlo studies of self-assembled trans-[Fe(cyclam)(NCS)2]+ complex ion on gold surface as electrochemical sensor for nitric oxide

Santos, Vanessa N., Mendonça, Glaydson L.F., Freire, Valder N., Holanda, Alda K.M., Sousa, Jackson R., Lopes, Luiz G.F., Ellena, Javier, Correia, Adriana N., de Lima-Neto, Pedro

Journal:

Electrochimica Acta

Year:

2013

Language:

english

File:

PDF, 956 KB

english, 2013

23

Dimethomorph electrooxidation: Analytical determination in grape-derived samples and mechanistic aspects

de Souza Lucas, Francisco Willian, do Nascimento, Jefferson Melo, Nogueira Freire, Valder, Melo Camelo, André Luiz, Longhinotti, Elisane, de Lima-Neto, Pedro, Nunes Correia, Adriana

Journal:

Electrochimica Acta

Year:

2013

Language:

english

File:

PDF, 1015 KB

english, 2013

24

Exploiting the Reduction of Haloperidol: Electrochemical and Computational Studies Using Silver Amalgam and HMDE Electrodes

Ribeiro, Francisco W.P., Mendonça, Glaydson L.F., Soares, Janete E.S., Freire, Valder N., De Souza, Djenaine, Casciano, Paulo N.S., de Lima-Neto, Pedro, Correia, Adriana N.

Journal:

Electrochimica Acta

Year:

2014

Language:

english

File:

PDF, 1.31 MB

english, 2014

25

Inactivation of Ovine Cyclooxygenase-1 by Bromoaspirin and Aspirin: A Quantum Chemistry Description

Barroso-Neto, Ito L., Marques, João Paulo C., da Costa, Roner F., Caetano, Ewerton W. S., Cavada, Benildo S., Gottfried, Carmem, Freire, Valder N.

Journal:

Journal of Physical Chemistry B

Year:

2012

Language:

english

File:

PDF, 5.23 MB

english, 2012

26

Antipsychotic Haloperidol Binding to the Human Dopamine D3 Receptor: Beyond Docking Through QM/MM Refinement Toward the Design of Improved Schizophrenia Medicines

Zanatta, Geancarlo, Nunes, Gustavo, Bezerra, Eveline M., da Costa, Roner F., Martins, Alice, Caetano, Ewerton W. S., Freire, Valder N., Gottfried, Carmem

Journal:

ACS Chemical Neuroscience

Year:

2014

Language:

english

File:

PDF, 4.58 MB

english, 2014

27

Resveratrol prevents social deficits in animal model of autism induced by valproic acid

Bambini-Junior, Victorio, Zanatta, Geancarlo, Della Flora Nunes, Gustavo, Mueller de Melo, Gabriela, Michels, Marcus, Fontes-Dutra, Mellanie, Nogueira Freire, Valder, Riesgo, Rudimar, Gottfried, Carme

Journal:

Neuroscience Letters

Year:

2014

Language:

english

File:

PDF, 1.33 MB

english, 2014

28

Four-level levodopa adsorption on C60 fullerene for transdermal and oral administration: a computational study

Frazão, Nilton F., Albuquerque, Eudenilson L., Fulco, Umberto L., Azevedo, David L., Mendonça, Glaydson L. F., Lima-Neto, Pedro, Caetano, Ewerton W. S., Santana, Josias V., Freire, Valder N.

Journal:

Year:

2012

Language:

english

File:

PDF, 2.36 MB

english, 2012

29

An ab initio explanation of the activation and antagonism strength of an AMPA-sensitive glutamate receptor

Martins, Ana Caroline V., de Lima-Neto, Pedro, Barroso-Neto, Ito L., Cavada, Benildo S., Freire, Valder N., Caetano, Ewerton W. S.

Journal:

Year:

2013

Language:

english

File:

PDF, 589 KB

english, 2013

30

The quantum biophysics of the isoniazid adduct NADH binding to its InhA reductase target

da Silva Ribeiro, Tamires C., da Costa, Roner F., Bezerra, Eveline M., Freire, Valder N., Lyra, Marcelo L., Manzoni, Vinícius

Journal:

New Journal of Chemistry

Year:

2014

Language:

english

File:

PDF, 2.73 MB

english, 2014

31

On the transmission coefficient of graded composition GaAs/AlxGa1−xAs heterojunctions under an electric field

Freire, Valder N., Farias, Gil A., Auto, Margarida M.

Journal:

Journal of Applied Physics

Year:

1992

Language:

english

File:

PDF, 535 KB

english, 1992

32

Dissipative quantum tunneling of two-level systems driven by dc-ac fields

Wang, Hao, Freire, Valder N., Zhao, Xian-Geng

Journal:

Physical Review E

Year:

1998

Language:

english

File:

PDF, 128 KB

english, 1998

33

Phosphate group vibrational signatures of the osteoporosis drug alendronate

Bezerra Neto, João Rufino, de Lima Neto, Pedro, Sales, Francisco Adilson Matos, da Silva, Edelma Eleto, Ladeira, Luiz Orlando, Freire, Valder Nogueira, Caetano, Ewerton Wagner Santos

Journal:

Journal of Raman Spectroscopy

Year:

2014

Language:

english

File:

PDF, 1.17 MB

english, 2014

34

Emission spectrum in driven two-level systems

Wang, Hao, Freire, Valder N., Zhao, Xian-Geng

Journal:

Physical Review A

Year:

1998

Language:

english

File:

PDF, 135 KB

english, 1998

35

Slab lenses from simple anisotropic media

Dumelow, Thomas, da Costa, José Alzamir Pereira, Freire, Valder Nogueira

Journal:

Physical Review B

Year:

2005

Language:

english

File:

PDF, 468 KB

english, 2005

36

Nonlinear transport properties of III-nitrides in electric field

Rodrigues, Clóves G., Vasconcellos, Áurea R., Luzzi, Roberto, Freire, Valder N.

Journal:

Journal of Applied Physics

Year:

2005

Language:

english

File:

PDF, 423 KB

english, 2005

37

Nonlinear transport properties of doped III-N and GaAs polar semiconductors: A comparison

Rodrigues, Clóves G., Vasconcellos, Áurea R., Luzzi, Roberto, Freire, Valder N.

Journal:

Journal of Applied Physics

Year:

2005

Language:

english

File:

PDF, 389 KB

english, 2005

38

Structural basis of ConM binding with resveratrol, an anti-inflammatory and antioxidant polyphenol

Rocha, Bruno A.M., Teixeira, Claudener S., Silva-Filho, José C., Nóbrega, Raphael B., Alencar, Daniel B., Nascimento, Kyria S., Freire, Valder N., Gottfried, Carmem J.S., Nagano, Celso S., Sampaio, Al

Journal:

International Journal of Biological Macromolecules

Year:

2015

Language:

english

File:

PDF, 1.64 MB

english, 2015

39

Simple synthesis of Al2O3 sphere composite from hybrid process with improved thermal stability for catalytic applications

Santos, Regina C.R., Pinheiro, Antônio N., Leite, Edson R., Freire, Valder N., Longhinotti, Elisane, Valentini, Antoninho

Journal:

Materials Chemistry and Physics

Year:

2015

Language:

english

File:

PDF, 1.96 MB

english, 2015

40

Quantum molecular modelling of ibuprofen bound to human serum albumin

Dantas, Diego S., Oliveira, Jonas I. N., Lima Neto, José X., da Costa, Roner F., Bezerra, Eveline M., Freire, Valder N., Caetano, Ewerton W. S., Fulco, Umberto L., Albuquerque, Eudenilson L.

Journal:

Year:

2015

Language:

english

File:

PDF, 2.64 MB

english, 2015

41

A quantum biochemistry investigation of willardiine partial agonism in AMPA receptors

Lima Neto, José X., Fulco, Umberto L., Albuquerque, Eudenilson L., Corso, Gilberto, Bezerra, Eveline M., Caetano, Ewerton W. S., da Costa, Roner F., Freire, Valder N.

Journal:

Physical Chemistry Chemical Physics

Year:

2015

Language:

english

File:

PDF, 4.33 MB

english, 2015

42

SPIE Proceedings [SPIE Integrated Optoelectronic Devices 2005 - San Jose, CA (Saturday 22 January 2005)] Quantum Sensing and Nanophotonic Devices II - The impact of high-k dielectrics in nanocrystal flash memories

Freire, Valder N., de Sousa, Jeanlex S., Razeghi, Manijeh, Brown, Gail J.

Year:

2005

Language:

english

File:

PDF, 173 KB

english, 2005

43

Transient transport in III-nitrides: interplay of momentum and energy relaxation times

Rodrigues, Clóves G, Vasconcellos, Áurea R, Luzzi, Roberto, Freire, Valder N

Journal:

Journal of Physics Condensed Matter

Year:

2007

Language:

english

File:

PDF, 310 KB

english, 2007

44

SPIE Proceedings [SPIE Integrated Optoelectronic Devices 2005 - San Jose, CA (Saturday 22 January 2005)] Quantum Sensing and Nanophotonic Devices II - Feasibility of IR-to-UV detection in SiC/SiO2 heterostructures

de Sousa, Jeanlex S., Freire, Valder N., da Silva, Jr., Eronides F., Razeghi, Manijeh, Brown, Gail J.

Year:

2005

Language:

english

File:

PDF, 220 KB

english, 2005

45

Modeling of laccase inhibition by formetanate pesticide using theoretical approaches

Martins, Ana C.V., Ribeiro, Francisco W.P., Zanatta, Geancarlo, Freire, Valder N., Morais, Simone, de Lima-Neto, Pedro, Correia, Adriana N.

Journal:

Bioelectrochemistry

Year:

2016

Language:

english

File:

PDF, 1.37 MB

english, 2016

46

A quantum chemistry investigation of a potential inhibitory drug against the dengue virus

Ouriques, G. S., Vianna, J. F., Lima Neto, José Xavier, Oliveira, Jonas I.N., Mauriz, Paulo Wilson, Vasconcelos, M. S., Caetano, Ewerton Wagner, Freire, Valder Nogueira, Albuquerque, Eudenilson Lins,

Journal:

Year:

2016

Language:

english

File:

PDF, 7.98 MB

english, 2016

47

SPIE Proceedings [SPIE Integrated Optoelectronic Devices 2005 - San Jose, California, United States (Saturday 22 January 2005)] Quantum Sensing and Nanophotonic Devices II - Si- and SiGe- high-k oxide nanostructures for optoelectronic devices

Freire, Jose A. d. K., Razeghi, Manijeh, Brown, Gail J., Pereira, Teldo A. S., Costa e Silva, Jusciane, Farias, Gil A., Freire, Valder N., da Silva, Jr., Eronides F.

Year:

2005

Language:

english

File:

PDF, 754 KB

english, 2005

48

Two Binding Geometries for Risperidone in Dopamine D3 Receptors: Insights on the Fast-Off Mechanism through Docking, Quantum Biochemistry, and Molecular Dynamics Simulations

Zanatta, Geancarlo, Della Flora Nunes, Gustavo, Bezerra, Eveline M., da Costa, Roner F., Martins, Alice, Caetano, Ewerton W. S., Freire, Valder N., Gottfried, Carmem

Journal:

ACS Chemical Neuroscience

Year:

2016

Language:

english

File:

PDF, 4.29 MB

english, 2016

49

Explaining RANKL inhibition by OPG through quantum biochemistry computations and insights into peptide-design for the treatment of osteoporosis

Sousa, Bruno Lopes, Barroso-Neto, Ito Liberato, Oliveira, Evanildo Ferreira, Fonseca, Emerson A, de Lima-Neto, Pedro, Ladeira, Luiz O., Freire, Valder Nogueira

Journal:

Year:

2016

Language:

english

File:

PDF, 2.63 MB

english, 2016

50

Computational Electronic Structure of the Bee Killer Insecticide Imidacloprid

MOREIRA, ANTONIO AURELIO GOMES, de Lima-Neto, Pedro, Caetano, Ewerton Wagner, Barroso-Neto, Ito Liberato, Freire, Valder Nogueira

Journal:

New Journal of Chemistry

Year:

2016

Language:

english

File:

PDF, 1.78 MB

english, 2016

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