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J. M. Ulloa
J. M. Ulloa
ISOM-Universidad Politécnica de Madrid
Verified email at isom.upm.es
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Cited by
Cited by
Year
Characterization of GaN quantum discs embedded in Al x Ga 1− x N nanocolumns grown by molecular beam epitaxy
J Ristić, E Calleja, MA Sanchez-Garcia, JM Ulloa, J Sanchez-Paramo, ...
Physical Review B 68 (12), 125305, 2003
1632003
Suppression of InAs∕ GaAs quantum dot decomposition by the incorporation of a GaAsSb capping layer
JM Ulloa, IWD Drouzas, PM Koenraad, DJ Mowbray, MJ Steer, HY Liu, ...
Applied physics letters 90 (21), 2007
1102007
GaAsSb-capped InAs quantum dots: from enlarged quantum dot height to alloy fluctuations
JM Ulloa, R Gargallo-Caballero, M Bozkurt, M Del Moral, A Guzmán, ...
Physical Review B 81 (16), 165305, 2010
1082010
Annealing effects on the crystal structure of GaInNAs quantum wells with large In and N content grown by molecular beam epitaxy
A Hierro, JM Ulloa, JM Chauveau, A Trampert, MA Pinault, E Tournié, ...
Journal of applied physics 94 (4), 2319-2324, 2003
832003
Ellipsoidal InAs quantum dots observed by cross-sectional scanning tunneling microscopy
JH Blokland, M Bozkurt, JM Ulloa, D Reuter, AD Wieck, PM Koenraad, ...
Applied Physics Letters 94 (2), 2009
802009
Interfacial Embedding of Laser‐Manufactured Fluorinated Gold Clusters Enabling Stable Perovskite Solar Cells with Efficiency Over 24%
P Guo, H Zhu, W Zhao, C Liu, L Zhu, Q Ye, N Jia, H Wang, X Zhang, ...
Advanced Materials 33 (36), 2101590, 2021
732021
High responsivity and internal gain mechanisms in Au-ZnMgO Schottky photodiodes
G Tabares, A Hierro, JM Ulloa, A Guzman, E Munoz, A Nakamura, ...
Applied Physics Letters 96 (10), 2010
672010
Atomic scale study of the impact of the strain and composition of the capping layer on the formation of InAs quantum dots
JM Ulloa, C Celebi, PM Koenraad, A Simon, E Gapihan, A Letoublon, ...
Journal of applied physics 101 (8), 2007
642007
Structure of quantum dots as seen by excitonic spectroscopy versus structural characterization: Using theory to close the loop
V Mlinar, M Bozkurt, JM Ulloa, M Ediger, G Bester, A Badolato, ...
Physical Review B 80 (16), 165425, 2009
562009
Role of segregation in InAs/GaAs quantum dot structures capped with a GaAsSb strain-reduction layer
V Haxha, I Drouzas, JM Ulloa, M Bozkurt, PM Koenraad, DJ Mowbray, ...
Physical Review B 80 (16), 165334, 2009
542009
Dilute nitride based double-barrier quantum-well infrared photodetector operating in the near infrared
E Luna, M Hopkinson, JM Ulloa, A Guzman, E Munoz
Applied physics letters 83 (15), 3111-3113, 2003
432003
Analysis of the modified optical properties and band structure of GaAs1− xSbx-capped InAs/GaAs quantum dots
JM Ulloa, JM Llorens, M Del Moral, M Bozkurt, PM Koenraad, A Hierro
Journal of Applied Physics 112 (7), 2012
412012
Photocarrier extraction in GaAsSb/GaAsN type-II QW superlattice solar cells
U Aeberhard, A Gonzalo, JM Ulloa
Applied Physics Letters 112 (21), 2018
372018
Carrier compensation by deep levels in Zn1− xMgxO/sapphire
A Hierro, G Tabares, JM Ulloa, E Muñoz, A Nakamura, T Hayashi, ...
Applied Physics Letters 94 (23), 2009
372009
AlGaN nanocolumns and AlGaN/GaN/AlGaN nanostructures grown by molecular beam epitaxy
J Ristić, MA Sánchez‐García, JM Ulloa, E Calleja, J Sanchez‐Páramo, ...
physica status solidi (b) 234 (3), 717-721, 2002
362002
InAs quantum dot morphology after capping with In, N, Sb alloyed thin films
JG Keizer, JM Ulloa, AD Utrilla, PM Koenraad
Applied Physics Letters 104 (5), 2014
342014
High efficient luminescence in type-II GaAsSb-capped InAs quantum dots upon annealing
JM Ulloa, JM Llorens, B Alén, DF Reyes, DL Sales, D González, A Hierro
Applied Physics Letters 101 (25), 2012
342012
Thin GaAsSb capping layers for improved performance of InAs/GaAs quantum dot solar cells
AD Utrilla, DF Reyes, JM Llorens, I Artacho, T Ben, D González, Ž Gačević, ...
Solar Energy Materials and Solar Cells 159, 282-289, 2017
312017
Structural properties of GaAsN∕ GaAs quantum wells studied at the atomic scale by cross-sectional scanning tunneling microscopy
JM Ulloa, PM Koenraad, M Hopkinson
Applied Physics Letters 93 (8), 2008
312008
Size and shape tunability of self-assembled InAs/GaAs nanostructures through the capping rate
AD Utrilla, DF Grossi, DF Reyes, A Gonzalo, V Braza, T Ben, D González, ...
Applied Surface Science 444, 260-266, 2018
302018
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