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2007
INTERNATIONAL
Surface
anisotropy of a Fe3O4 nanoparticle: A simulation approach.
J. Mazo- Zuluaga,
J. Restrepo, J. Mejía- López. Physica
B: Condensed Matter. 398 (2007) 187-190.
Magnetic
properties across intergranular regions of disodered
FeMnAl alloys: Theory. E. A. Velásquez,
L. F. Duque, J. Mazo- Zuluaga, J. Restrepo. Physica
B: Condensed Matter. 398 (2007) 364-368.
Room-temperature
ferromagnetism of sol-gel-synthesized Sn1-x 57FexO2-
d powders. K. Nomura, C. A. Barrero,
J. Sakuma, and M. Takeda. Physical Review B: Condensed
Matter and Material Physics. 78 (2007) 184411-1; 184411-13.
Exciton
diamagnetic shifts in GaAs–Ga1-xAlxAs quantum
dots and ultrathin quantum wells.
Z. Bartevic, M. Pacheco, C. A. Duque and L. E. Oliveira.
Journal of physics: Condensed Matter. 19 (2007) 216224
(8).
Hydrostatic
pressure effects on the G–X conduction band
mixing and the binding energy of a donor impurity
in GaAs–Ga1–xAlxAs quantum wells.
C. A. Duque, S. Y. López, and M. E. Mora-Ramos.
Physica status solidi (b). 244 (2007) 1964-1970.
Impurity-related
polarizability and photoionization-cross section in
GaAs-Ga1-xAlxAs double quantum wells under electric
Field and hydrostatic pressure.
A. L. Morales, N. Raigoza, E. Reyes-Gómez,
J. M. Osorio-Guillén, A. Montes, S. Y. López
and C. A. Duque. Evento The Six International Conference
on Low Dimensional Structures and Devices. (2007)
295-297.
Acceptor
and donor impurity-related optical absorption spectra
in double quantum wells: electric field and hydrostatic
pressure effects.
A. L. Morales, N. Raigoza and C. A. Duque. Physica
Status Solidic. 4 No. 2 (2007) 295-297.
57
Fe Mössbauer study of ß-Fe OOA obtained
in precense of Al 3+ and Ti 4+ ions.
C. A. Barrero, K. E. Garcia, A. L. Morales, S. Kodjikian,
J.M. Greneche. Physica B: Condensed Matter. (2007).
Magnetic
and structural properties of pure hematite submitted
to mechanical milling in air and ethanol.
L. C. Sanchez, J. D. Arboleda, C. Saragovi, R. D.
Zysler, C. A. Barrero. Physica B: Condensed Matter.
(2007) 145-149.
Monte
Carlo study of the change of critical temperature
in a diluted ising model due to configuration disorder.
W.R. Aguirre-Contreras, Ligia E. Zamora, G. Perez
Alcazar, J.A. Plascak, J. Restrepo. Physics Letters
A. (2007) 411-414.
Influence
of the genesis on the structural and hyperfine properties
of Cr-substituted hematites.
Elsa E. Sileo, Diego Pérez Daroca, César
A. Barrero, Ana L. Larralde, Mariela S. Giberti, Celia
Saragovi. Chemical geology. 238 (2007) 84-93.
Comparative
study of the hydrostatic pressure and temperature
effects on the impurity-related potical properties
in single and double GaAs-Ga 1-x AlxAs quantum wells.
H. Odhiambo Oyoko, N. Porras-Montenegro, S. Y. López,
C. A. Duque. Physica status solidi (c). 4 No. 2 (2007)
298-300.
Donor
impurity-related optical absorption spectra in GaAs-Ga
1-x AlxAs quantum wells: hydrostatic pressure ant
l- x conduction band mixing effects.
M. E. Mora-Ramos, S. Y. López, C. A. Duque,
V. R. Velasco. Physica status solidi (c). 4 No. 2
(2007) 418-420.
Effects
of crossed electric and magnetic fields on the electronic
and excitonic states in bulk Ga As and Ga As/Ga 1-x
AlxAs quantum well. M. de Dios-Leyva,
C. A. Duque, L. E. Oliveira. Physical Review B: Condensed
Matter and Material Physics. 75 (2007) 035303-1 –
035303-12.
Excited
states and spontaneous transition life times of donor
impurities in quantum dots.
G. Murillo, Julio C. Arce, C. A. Duque, N. Porras
Montenegro. Physica status solidi (c). 4 No. 2 (2007)
360-362.
Hole
subband structure in single and double p-type d-doped
diamond quantum wells.
I. Rodríguez-Vargas, C. A. Duque, M. E. Mora-Ramos,
V. R. Velasco. Physica status solidi (c). 4 No. 2
(2007) 415-417.
Impurity-related
optical properties in rectangular-transverse section
Ga As- Ga 1-x AlxAs quantum well wires: hydrostatic
pressure and electrtic field effects.
J. W. González, S. Y. López, A. H. Rodriguez,
N. Porras-Montenegro, and C. A. Duque. Physica status
solidi (b). 244 No.1 (2007) 70-75.
Effect
of applied hydrostatic pressure on the e-h ground
transition in self-assembled in As/GaAs quantum lens.
Aresky H. Rodriguez, C. A. Duque, C. Trallero-Giner,
G. J. Vázquez, M. dedel Castillo-Mussot, N.
Porras-Montenegro. Physica status solidi (b). 244
No.1 (2007) 48-52.
2006
INTERNATIONAL
Vacancy-solute
complexes and their clusters in iron.
J. Kuriplach, O. Melikhova, C. Domain, C. S. Becquart,
D. Kulikov, L. Malerba, M. Hou, A. Almazouzi, C. A.
Duque, A. L. Morales. Applied surface science. 252
(2006) 3303-3308.
Infinite
potential barrier and hydrostatic pressure effects
on impurity-related optical absorption spectra in
GaAs duoble quantum wells.
N. Raigoza, A. L. Morales, C. A. Duque. Brazilian
Journal of Physics. 36 No.2A (2006) 350-353.
Magnetism
in non-stoichiometric goethite of varying total water
content and surface area.
C. A. Barrero, J. D. Betancur, J. M. Greneche, G.
F. Goya, T. S Berquó. Geophys Journal Internacional.
164 (2006) 331-339.
Effects
of applied magnetic fields and hydrostatic pressure
on the optical transitions in self-assembled in As/GaAs
quantum dots. C. A. Duque, N. Porras
Montenegro, Z. Barticevic, M. Pacheco, L. E Oliveira.
Journal of Physics Condensed Matter. 18 (2006) 1877-1884.
Correlated
electron-hole transition energies in quantum-well
wires: effects of hydrostatic pressure.
N. Raigoza, C. A Duque, N. Porras Montenegro, L. E.
Oliveira. Physica B Condensed Matter. 371 (2006) 153-157.
Hydrostatic-pressure
effects on the exciton states in GaAs-(Ga,Al)As semiconductor
quantum wells. N. Raigoza, C. A Duque,
E. Reyes Gómez, L. E. Oliveira. Physica Status
Solidi B Basic Research. 243 (2006) 635-640.
New
analysis of theM¨ossbauer spectra of akaganeite.
C. A. Barrero, K. E. Garcia, A. L. Morales, S. Kodjikian,
J.M. Greneche. Journal of Physics: Condensed Matter.
18 (2006) 6827-6840.
New
contributions to the understanding of rust layer formation
in steels exposed to a total immersion test.
K.E. Garcia, A.L. Morales, C.A. Barrero, J.M. Greneche.
Corrosion Science. 48 (2006) 2813-2830.
Binding
energy and photoionization cross-section in GaAs quantum
well-wires and quantum dots: Magnetic field and hydrostatic
pressure effects.
J. D. Correa, N. Porras-Montenegro, and C. A. Duque.
Brazilian Journal of Physics. 36 (2006) 387-390.
Donor-related
optical absorption spectra for a GaAs-Ga0.7Al0.3As
double quantum wells under hydrostatic pressure and
applied electric field effects.
A. L. Morales, N. Raigoza, and C. A. Duque. Brazilian
Journal of Physics. 36 (2006) 862-865.
Electron
spin resonance and magnetization in La0.67Ca0.33MnO3
thin films.
O. Arnache, P. Monod, N. Bontemps, D. Giratá,
P. Prieto. Physica B: Condensed Matter. 384 (2006)
71-73.
Hydrostatic
pressure and electric-field effects on the shallow
donor impurity states in GaAs-Ga0.7Al0.3As quantum-well
wires.
J. W. González, N. Porras-Montenegro, and C.
A. Duque. Brazilian Journal of Physics. 36 (2006)
944-947.
Correlated
electron-hole transitions in bulk GaAs and GaAs-(Ga,Al)As
quantum wells: effects of applied electric and in-plane
magnetic fields. C. A. Duque, L. E.
Oliveira, and M. de Dios-Leyva. Brazilian Journal
of Physics. 36 (2006) 1038-1041.
Electronic
states in n-type GaAs delta-doped quantum wells under
hydrostatic pressure. M. E. Mora-Ramos
and C. A. Duque. Brazilian Journal of Physics. 36
(2006) 866-868.
Hematite
thin films: growth and characterization.
J. D. Uribe, J. Osorio, C.A. Barrero, D. Giratá,
A. L. Morales, A. Devia, M. E. Gómez, J. G.
Ramirez, J. R. Gancedo. hyperfine Interactions. (2006)
1355-1362.
Surface
anisotropy in magnemite nanoparticles.
J. Restrepo, Y. Labaye, J. M. Greneche. Physica B:
Condensed Matter. (2006) 221-223.
Magnetite
thin films: A simulational approach.
J. Mazo-Zuluaga, J. Restrepo. Physica B: Condensed
Matter. (2006) 224-226.
Critical
behavior of ferromagnetic ising thin films.
P. Cossio, J. Mazo-Zuluaga, J. Restrepo. Physica B:
Condensed Matter. (2006) 227-229.
Mössbauer
study of SnO2 powders doped with dilute 57Fe prepared
by a sol-gel method.
K. Nomura, C. Barrero, J. Sakuma, M. Takeda. Czechoslovak
Journal of physics. 56 (2006) E75-E81.
Magnetic
properties across grain boundaries in nanocrystalline
ball-milled iron.
J. Restrepo, J. Mazo-Zuluaga, E. A. Velásquez,
L. F. Duque. Tenth latin america conference on the
applications of the Mössbauer Effect LACAME 2006.
Rio de Janeiro.
2005
INTERNATIONAL
Simulation
of nitrogen adsoption-desorption isotherms. Hysteresis
as an effect of pore connectivity.
Alejandro Ramírez, Ligia Sierra, Mónica
Mesa, Johans Restrepo. Chemical Engineering Science.
60 (2005) 4702-4708.
Ferrimagnetic
to paramagnetic transition in magnetite: mössbauer
versus Monte Carlo.
J.M. Florez, J. Mazo Zuluaga, J. Restrepo. Hyperfine
Interactions. (2005).
On
the rust products formed on weathering and carbon
steels exposed to chloride in dry-wet cyclical processes.
K.E. García, A.L. Morales, C.A. Barrero, J.M.
Greneche. Hyperfine Interactions. (2005).
Magnetic
properties of ball milled Cu70Fe15Mn15.
J. Restrepo, J. M. Greneche, A. Hernando, P. Crespo,
M. A. García, F. J. Palomares, J. M. González.
Journal of Magnetism and Magnetic Materials. 290-291
(2005) 602-605.
Room
temperature Monte Carlo study of the mechanical properties
of termoplastic polymers.
Silvio A. Ospina, Johans Restrepo, Betty L. López,
Michael Hess. Material Research Innovations Online.
(2005).
Electron-hole
transitions in self-assembled InAs/GaAs quantum dots:
Effects of applied and hydrostatic pressure.
C. A. Duque, N. Porras-Montenegro, Z. Barticevic,
M. Pacheco, L. E Oliveira. Microelectronics Journal.
36 (2005) 231-233.
Effects
of hydrostatic pressure on donor states in symmetrical
GaAs-Ga0,7Al0,3As double quantun wells.
N. Raigoza, A. L. Morales, C. A. Duque. Physica B.
363 (2005) 262-270.
Effects
of hydrostatic pressure and applied electric fields
on the exciton states in GaAs-(Ga,Al)As quantum wells.
N. Raigoza, C. A. Duque, E. Reyes -Gómez, L.
E. Oliveira. Physica B. 367 (2005) 267-274.
Hydrostatic
pressure effects on donor-related absorption spectra
in GaAs-Ga1-xAlxAs quantum wells.
S. Y. López, N. Porras Montenegro, C. A. Duque.
Physica B. 362 (2005) 41-49.
Magnetic
properties and critical behavior of random alfa-FeMnAl
alloys: an ising Monte Carlo study.
J. Restrepo, J. M. Greneche. Physical Review B. 71
(2005) 064406/1-8.
Tunneling
and ferroelectric properties of SRO/PZT/Pt capacitor
structures.
E. Delgado, A. Cortes, W. Lopera, J. Osorio, P. Prieto.
Physica Status Solidi (b). 242 (2005) 1902-1905.
Magnetic
properties of magnetite above the Verwey transition:
a Monte Carlo simulation.
J. Mazo-Zuluaga, J. Restrepo. Physica status solidi
(c). 2 (2005) 3540-3543.
Design
and construction of an autonomous control system for
Mössbauer spectrometry.
A. A. Velasquez-Torres, J.M. Trujillo, A.L. Morales,
J.E. Tobon, L. Reyes and J.R. Hyperfine Interactions.
161 (2005) 139-145.
Local
structural order in nanostructured Hematite.
J. M. Florez, J. Mazo-Zuluaga, J. Restrepo. Hyperfine
Interact. 165 No. 1-4 (2006) 253-259.
Electrical
and structural properties of Ce0.9CoFe3Sb12 thermoelectric
thin films. O. Arnache, D. Giratá,
F. Pérez, L. F. Castro, P. Prieto, W. Lopera.
Solid State Communications. 133 No. 5 (2004) 343-346.
2004
INTERNATIONAL
Hyperfine
and structural properties of the mechanically alloyed
(FeMn)30Cu70 system.
J. Restrepo, J. M. Greneche. Hyperfine Interactions.
159/157 (2004) 69-73.
Theoretical
study of the applied stress on the binding energy
of a donor impurity in GaAs quantum well dot within
an infinite potential barrier.
H. Odhiambo Oyoko, C. A. Duque, N. Porras Montenegro.
Indian Journal of Pure & Applied Physics. 42 (2004)
908-911.
The
effect of water content on the magnetic and structural
properties of goethite.
J. D. Betancur, C. A. Barrero, J. M. Greneche, G.
F. Goya. Journal of alloys and compounds. 369 (2004)
247-251.
Effects
of surface anisotropy and vacancies in ferromagnetic
nanoparticles.
J. Restrepo, Y.Labaye, L. Berger, J. M. Greneche.
Journal of Magnetism and Magnetic Materials. 272/276
(2004) 681-682.
Ni-
and Zn-doped hematite obtained by combustion of mixed
metal oxinates.
C. A. Barrero, J. Arpe, E. Sileo, L. C. Sánchez,
R. Zysler, C. Saragovi. Physica B. 354 (2004) 27-34.
Magnetic
and crystal structure in akaganeite nanoparticle.
K. E. García, A. L. Morales, C. A. Barrero,
C. E. Arroyave, J. M. Greneche. Physica B. 354 (2004)
187-190.
Monte
Carlo study of the bulk magnetic properties of magnetite.
J. Mazo Zuluaga, J. Restrepo. Physica B. 354 (2004)
20-26.
Finite
size effects and spin transition in ball-milled g-(FeMn)30Cu70
nanostructured alloys.
J. Restrepo, J. M. Greneche, J. M. González.
Physica B. 354 (2004) 174-182.
In-plane
electrodynamics of the superconductivity in Bi2Sr2CaCu2O8+d:
energy scales and weight distribution.
A. F. Santander Syro, R. P. S. M. Lobo, N. Bontemps,
W Lopera, D. Giratá, Z. Konstantinovic, Z.
Z. Li, H. Raffy. Physical Review B. 70 (2004) 134504/1-13.
Stress
effects on shallow-donor impurity states in symmetrical
GaAs/AlxGa1-xAs double quantum wells.
N. Raigoza, A. L. Morales, A. Montes, N. Porras-Montenegro,
C. A. Duque. Physical Review B. 69 (2004) 045323/1-8.
Symmetric
and asymmetric GaAs/Al0.3Ga0.7As double quantum well
subjected to an uniaxial stress and applied electric
field.
A. L. Morales, N. Raigoza, A. Montes, N. Porras Montenegro,
C. A. Duque. Physica Status Solidi. 241 (2004) 3224-3230.
Exciton
mixing and internal transitions of neutral magnetoexcitons
in quantum wells.
C. A. Duque, Z. Barticevic, M. Pacheco, L. E. Oliveira.
Physica Status Solidi B. 241 (2004) 2434-2439.
Donor-related
photoionization cross-section of GaAs-(Ga,Al)As quantum
dots: hydrostatic pressure effects.
J. D. Correa, N. Porras Montenegro, C. A. Duque. Physica
Status Solidi B. 241 (2004) 2440-2443.
Hydrostatic
pressure effects on the donor impurity-related photoionización
cross-section in cylindrical-shaped GaAs/GaAlAs quantum
well wires.
J. D. Correa, O. Cepeda Giraldo, N. Porras Montenegro,
C. A. Duque. Physica Status Solidi B. 241 (2004) 3311-3317.
Changes
in the structural and magnetic properties of Ni-substituted
hematite prepared from metal oxinates. C.
Saragovi, J. Arpe, E. Sileo, R. Zysler, L.C. Sanchez,
C.A. Barrero. Physics and Chemistry of Minerals. 31
No. 9 (2004) 625-632.
Monte
Carlo simulation of the self-assembly process of nonionic
surfactants (type HxTy)considering second-neighbor
interaction between surfactant molecules.
C. P. Zapata, H. Casanova, J. Restrepo. Progress in
colloid and polymer science. 128 (2004) 146-150.
2003
INTERNATIONAL
Properties
of goethite grown under the presence of Cr3+, Cu2+
and Mn2+ ions.
A. L. Morales, C. A. Barrero, F. Jaramillo, C. E.
Arroyave, J. M. Greneche. Hyperfine Interactions.
148/149 (2003) 135-144.
On
the analysis of the Mössbauer spectra of the
rust converted by tannic and phosphoric acids.
C. A. Barrero, J. F. Rios, A. L. Morales, A. Bohórquez,
G. Pérez Alcázar. Hyperfine Interactions.
148/149 (2003) 211-217.
The
experimental nuclear quadrupole interaction in synthetic
Al-goethites of varying crystallinity.
C. A. Barrero, R. E. Vanderberghe, E. de Grave, A.
L. Morales, G. Pérez. Hyperfine Interactions.
148/149 (2003) 337-344.
Variable
temperature Mössbauer study of some rust converters.
F. Bolívar, C. A. Barrero, J. Minotas, A. L.
Morales, J. -M. Greneche. Hyperfine Interactions.
148/149 (2003) 219-225.
Thermally
driven and ball-milled hematite to magnetite transformation.
J. D. Betancur, J. Restrepo, C. A. Palacio, A. L.
Morales, J. Mazo-Zuluaga, J. J. Fernández,
O. Pérez, J. F. Valderruten, A. Bohórquez.
Hyperfine Interactions. 148/149 (2003) 163-175.
Thermally
induced megnetite-haematite transformation. J.
Mazo Zuluaga, C. A. Barrero, J. Díaz Terán,
A. Jerez. Hyperfine Interactions. 148/149 (2003) 153-161.
Bulk
magnetic properties of the Fe0.5Mn0.1Al0.4 disordered
alloy: A Monte Carlo study.
J. Restrepo, Claudia González, G.A. Pérez
Alcázar, O. Arnache, J. -M. Greneche. Hyperfine
Interactions. 148/149 (2003) 285-293.
Mössbauer
Characterizacion of Rust Obtained in an Accelerated
Corrosion Test.
K. E. García, A. L. Morales, C. E. Arroyave,
C. A. Barrero, D. C. Cook. Hyperfine Interactions.
148/149 (2003) 177-183.
Deformation
of polyethylene: Monte Carlo simulation.
Silvio A. Ospina, Johans Restrepo, Betty L. López.
Materials research innovations. 7 (2003) 27-30.
Exciton
trapping in interface defects/quantum dots in narrow
quantum wells: magnetic-field effects.
Z. Barticevic, M. Pacheco, C. A. Duque, L. E. Oliveira.
Physica B Condensed Matter. 340/342 (2003) 1090-1093.
Magnetic-field
effects on excitons trapped in quantum dots/interface
defects in narrow quantum wells. Z.
Barticevic, M. Pacheco, C. A. Duque, L. E. Oliveira.
Physical Review. 68 (2003) 073312/1-4.
Donor-related
density of states and polarizability in a GaAs-(Ga,Al)As
quantum-well under hydrostatic pressure and applied
electric field.
A. L. Morales, A. Montes, S. Y. López, N. Raigoza,
C. A. Duque. Physica Status Solidi (b). (2003).
Effects
of hydrostatic stress on the density of impurity states
and donor-related optical absorption spectra in GaAs-(Ga,Al)As
quantum wells.
S. Y. López, N. Porras Montenegro, C. A. Duque.
Physica Status Solidi C. 2 (2003) 648-651.
Binding
energy and density of shallow impurity states in GaAs-(Ga,Al)As
quantum wells: effects of an applied hydrostatic stress.
S. Y. López, N. Porras Montenegro, C. A. Duque.
Semiconductor Science and Technology. 18 (2003) 718-722.
An
X-ray diffraction study of corrosion products from
low carbon steel.
A. L. Morales. Revista de Metalurgia (Madrid). 39
No. 7 (2003) 28-31.
Synthesis
and Mössbauer characterization of Cu and Cr doped
magnetites. C. A. Barrero, A. L. Morales,
J. Mazo-Zuluaga, F. Jaramillo, G. Pérez, D.
M. Escobar, C. E. Arroyave, J. Tobón, P. M.
Montoya, L. Osorio, R. E. Vanderberghe, J. M. Greneche.
Revista de Metalurgia (Madrid). 39 No. 7 (2003) 62-67.
Corrosion
related iron oxides: Cu, Mn and Cr doped hematite.
G. Pérez, C. Barrero, A. Morales, J. Tobón,
O. Arnache, C. Rodríguez, C. Arroyave. Revista
de Metalurgia (Madrid). 39 No. 7 (2003) 68-71.
Simulation
of a long term atmospheric corrosion process on plain
and weathering steels. F. Bolívar,
A. Morales, C. Arroyave. Revista de Metalurgia (Madrid).
39 No. 7. (2003) 265-269.
2002
INTERNATIONAL
Mössbauer
spectra of a- and sigma -polymorphs of FeOOH and Fe2O3:
effects of poor crystallinity and of Al-for-Fe substitution.
E. de Grave, C. A. Barrero, G. M. da Costa, R. E.
Vandenberghe, E. Van San. Clay Minerals. 37 (2002)
591-606.
On
magnetite formation as a corrosion product of steel.
C. A. Barrero, A. L. Morales, M. I. Mejía,
C. E. Arroyave. Proceedings of the International Conference
on the Applications of the Mössbauer Effect.
(2002).
Magnetoabsorption
spectra of intraexcitonic transitions in GaAs-(Ga,Al)As
semiconductor quantum wells.
Z. Barticevic, M. Pacheco, C. A. Duque, L. E. Oliveira.
Journal of Applied Physics. 92 (2002) 1227-1231.
Simultaneous
effects of hydrostatic stress and an electric field
on donors in a GaAs-(Ga,Al)As quantum well.
A. L. Morales, A. Montes, S. Y. López, C. A.
Duque. Journal of Physics Condensed Matter. 14 (2002)
987-995.
Magnetoexiton
transitions in GaAs-Ga1-xAlxAs quantum wells.
Z. Barticevic, M. Pacheco, C. A. Duque, L. Oliveira.
Journal of Physics: Condensed Matter. 14 (2002) 1021-1033.
Shallow-donor
states in spherical quantum dots with parabolic confinement.
C. A. Duque, N. Porras-Montenegro, M. De Dios-Leyva,
L. E. Oliveira. Materials Research Society Symposium
Proceedings. 692 (2002) H9.20.1- H9.20.4.
Intra-magnetoexciton
transitions in semiconductors quantum wells.
Z. Barticevic, M. Pacheco, C. A. Duque, L. E. Oliveira.
Materials Research Society Symposium Proceedings.
692 (2002) H6.35.1-H6.35.5.
Hysteretic
behavior of Fe0.9-qMn0.1Alq- disordered alloys: a
Monte Carlo study.
J. Restrepo, O. Arnache. Physica B. 320 (2002) 244-248.
Monte
Carlo study of the magnetic properties of Fe0.9-qMn0.1Alq-disordered
alloys. J. Restrepo, O. Arnache, D.
P. Landau. Physica B. 320 (2002) 239-243.
A
theoretical study of the terahertz dynamics of magnetoexcitons
in GaAs-(Ga,Al)As quantum wells.
L. E. Oliveira, C. A. Duque, N. Porras Montenegro.
Physica Status Solidi (a). 190 (2002) 731-734.
Optimization
of a rust converter formulation. Francisco
Bolivar, Julio Minotas, César Barrero, Álvaro
Morales. Félix Echevarria, Carlos Arroyave.
Proceedings of fifteen international corrosion congress.
(2002).
Synthesis
of magnetite in the presence of Al or Ce ions.
L. C. Suárez, M. I. Mejía, L. M. Calle,
L. K. Herrera, C. A. Barrero, A. L. Morales, J. Minotas,
J. M. Greneche. Proceedings of fifteen international
corrosion congress. (2002).
Binding
energy for a shallow donor impurity in GaAs-(Ga,Al)As
quantum wells under hydrostatic pressure and applied
electric field.
A. Montes, A. L. Morales, C. A. Duque. Surface Review
and Letters. 9 No. 5-6 (2002) 1753-1756.
2001 INTERNATIONAL
Possible
improvements in the action of some rust converters.
C. A. Barrero, L. M. Ocampo, C. E. Arroyave. Corrosion
Science. 43 (2001) 1003-1018.
Autonomous
system design for Mössbauer spectra adquisition.
A. L. Morales, J. Zuluaga, A. Cely, J. Tobón.
Hyperfine Interactions. 134 (2001) 167-170.
Synthesis
of magnetite in presence of Cu2+ or Cr3+.
C. A. Barrero, A. L. Morales, J. Restrepo, G. Pérez,
J. Tobón, J. Mazo Zuluaga, F. Jaramillo, D.
M. Escobar, C. E. Arroyave, R. E. Vanderberghe, J.
M. Greneche. Hyperfine Interactions. 134 (2001) 141-152.
Magnetic
properties of the mechanically alloyed (Fe0.85Mn0.15)0.3Cu0.7
system. J. Restrepo, A. L. Morales,
J. M. González, G. A. Pérez Alcázar,
G. Medina, C. A. Barrero, J. Tobón, G. Pérez,
O. Arnache, J. D. Betancur, M. A. Giraldo. Hyperfine
Interactions. 134 (2001) 199-206.
A
comparative study on the magnetic properties of Arc-Melted
and Ball-Milled Fe0.9-xMn0.1Alx alloys.
J. Restrepo, G. A. Pérez Alcázar, J.
M. González. Hyperfine Interactions. 134 (2001)
27-35.
Uniaxial
stress dependence of the binding energy of shallow
donor impurities in GaAs-(Ga,Al)As quantum dots. H.
O. Oyoko, C. A. Duque, N. Porras Montenegro. Journal
of Applied Physics. 90 (2001) 819-823.
Magnetism
of Fe-Al disordered alloys: An Ising-Monte Carlo approach.
J. Restrepo, G. A. Pérez Alcázar, D.
P. Landau. Journal of Applied Physics. 89 (2001) 7341-7343.
Positron
annihilation in Ni3Al: Theory and experiment.
S. van Peregem, J. Kuriplach, M. Hou, E. E. Zhurkin,
D. Segers, A. L. Morales, S. Ettaoussi, C. Dauwe,
W. Mondelaers. Material Science Forum. 363-365 (2001)
210-212.
Binding
energy and polarizability in GaAs-(Ga,Al)As quantum-well
wires.
C. A. Duque, A. Montes, A. L. Morales. Physica B.
302-303 (2001) 84-87.
Shallow-donor
states in semiconductor heterostructures within the
fractional-dimensional space approach.
L. E. Oliveira, C. A. Duque, N. Porras Montenegro,
M. de Dios Leyva. Physica B. 302-303 (2001) 72-76
Study
of surface morphology in epitaxial thin films of HoBa2Cu3O7-d.
W. Lopera, D. Giratá, L. F. Cstro, F. Pérez,
E. Baca, P. Prieto. Physica C. 354 No.1 (2001) 433-436.
Terahertz
dynamics of magnetoexcitons in semiconductor quantum
wells.
C. A. Duque, N. Porras Montenegro, L. E. Oliveira.
14th International Conference on the Electronic Properties
of Two-Dimensional Systems. (2001).
Simulation
of positron characteristics in nanocrystalline materials.
Jan
Kuriplach, Steven Van Petegem, Danny Seger, Charles
Dauwe, Marc Hou, Eugenij E. Zhurrkin, Helena Van Swygenhoven,
Alvaro L. Morales. Materials Research Society. 634
(2001) B3.8.1-B3.8.6.
2000
INTERNATIONAL
Mössbauer
characterization of iron oxides and (oxy)hydroxides:
the present state of the art.
R. E. Venderberghe, C. A. Barrero, G. M. da Costa,
E. Van San, E. De Grave. Hyperfine Interactions. 126
(2000) 247-259.
Room
temperature magnetic properties of quenched-disordered
FeAl alloys: A simulational study.
J. Restrepo, G. A. Pérez Alcázar, D.
P. Landu. Journal of Applied Physics. 87 (2000) 6528-6530.
Magnetic
properties of disordered Fe0.9-xMn0.1Alx alloys.
J. Restrepo, G. A. Pérez Alcázar, J.
M. González. Journal of Applied Physics. 87
(2000) 7425-7529
Interpretation
based on a binomial method of the hyperfine field
distributions of disordered Fe0.9-xMn0.1Alx alloys.
J. Restrepo, G. A. Pérez Alcázar. Journal
of Magnetism and Magnetic Materials. 213 (2000) 135-142.
The
relation between corrosion rates and corrosion products
from low carbon steel. A. L. Morales,
D. Cartagena, J. L. Rendón, A. Valencia. Physica
Status Solidi (b). 220 (2000) 351-356.
Density
of states of a donor impurity in a GaAs quantum box
under the action of an applied electric field.
A. Montes, C. A. Duque, N. Porras Montenegro. Physica
Status Solidi B Basic Research. 220 (2000) 181-185.
Confined
magneto-excitons in GaAs-(Ga, Al)As quantum wells.
C. L. Beltrán, C. A. Duque, A. Montes, N. Porras
Montenegro, L. E. Oliveira. Physica Status Solidi
B Basic Research. 220 (2000) 137-139.
Description
in a local model of the magnetic field distributions
of mechanically alloyed Fe-Si (3.5 wt%).
H. Sanchez Sthepa, J. Restrepo, M. Fajardo, G. A.
Perez Alcazar. Physica Status Solidi B Basic Research.
220 (2000) 347-349.
Hyperfine
magnetic field distributions of Fe0.8-qMnqAl0.2 disordered
alloys: Interpretation in a local model.
J. Restrepo, G. A. Pérez Alcázar. Physica
Status Solidi B Basic Research. 220 (2000) 395-399.
Room
temperature magnetic properties of the mechanically
alloyed Fe0.8-xMnxAl0.2 system. J.
Restrepo, G. A. Pérez Alcázar, J. M.
González. Physica Status Solidi. 220 (2000)
429-434.
Polaron
free energy in GaAs quantum wells.
M. E. Mora Ramos, C. A. Duque. Physica Status Solidi
B Basic Research. 220 (2000) 159-162.
Structural
and Electrical Properties of Grain Boundary Josephson
Junctions Based on Bi2Sr2CaCu2O8+d thin films. W.
Lopera, D. Giratá, J. Osorio, P. Prieto. Physica
satus solidi B Basic Research. 220 (2000) 483-485.
Intraexcitonic
energy transition in GaAs quantum well.
W. Ospina, P. Aristizábal, R. L. Restrepo,
A. Montes, C. A. Duque. Physica Status Solidi B Basic
Research. 220 (2000)131-135.
Internal
transitions of confined magnetoexcitions in GaAs-(Ga,
Al)As quantum wells.
C. A. Duque, C. L. Beltrán, A. Montes, N. Porras
Montenegro, L. E. Oliveira. Physical Review B. 61
(2000) 9936-9939.
Magnetic
properties of Fe0.9-qMn0.1Alq disordered alloys: Theory.
J. Restrepo, G. A. Pérez Alcázar. Physical
Review B Condensed Matter and Material Physics. 61
(2000) 5880-5883.
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