Publications

2017

Ballistic superconductivity in semiconductor nanowires.
H, Zhang, Ö. Gül, S. Conesa-Boj, M. Nowak, M. Wimmer, K. Zuo, V. Mourik, F. de Vries, J. van Veen, M. de Moor, J. Bommer, D. van Woerkom, D. Car, S. Plissard, E. Bakkers, M. Quintero-Pérez, M. Cassidy, S. Koelling, S. Goswami, K. Watanabe, T. Taniguchi, and L. Kouwenhoven, Nature Communications, in press (2017)

Towards higher electron mobility in modulation doped GaAs/AlGaAs core shell nanowires.
J. L. Boland, G. Tutuncuoglu, J. Q. Gong,
S. Conesa-Boj, C. L Davies, L. M Herz, A. Fontcuberta i Morral, M. B Johnston, Nanoscale, 9, 7839 (2017)

Observation of Conductance Quantization in InSb Nanowire Networks.
E. M. T. Fadaly, H. Zhang, S. Conesa-Boj, D. Car, Ö. Gül, S. R. Plissard, R. L. M. Veld, S. Kölling, L. P. Kouwenhoven, E. P. A. M. Bakkers, just accepted in Nano Letters (2017)

Boosting hole mobility in coherently strained [110]-oriented Ge-Si core-shell nanowires.
S. Conesa-Boj, A. Li, S. Koelling, M. Brauns, J. Ridderbos, T. Nguyen, M. Verheijen, P. Koenraad, F. Zwanenburg and E. P. A. M. Bakkers, Nano Letters, 17, 2259 (2017)

Hard superconducting gap in InSb nanowires.
Ö. Gül, H. Zhang, F. K. de Vries, J. van Veen, K. Zuo, V. Mourik, S. Conesa-Boj, M. P. Nowak, D. J. van Woerkom, M. Quintero-Pérez, M. C. Cassidy, A. Geresdi, S. Kölling, D. Car, S. R. Plissard, E. P. A. M. Bakkers and L. P. Kouwenhoven, Nano Letters, 17, 2690 (2017)

Single-Crystalline Hexagonal Silicon-Germanium.
H. I. T Hauge, S. Conesa-Boj, M. A. Verheijen, S. Kolling and E. P. A. M. Bakkers, Nano Letters, 17, 85 (2017)

InSb Nanowires with Built-In GaxIn1-xSb Tunnel Barrier for Majorana Devices.
D. Car, S. Conesa-Boj, H. Zhang, R. L. M. Op het Veld, M. W. A. de Moor, E. M. T. Fadaly, O. Gul, S. Kolling, S. R. Plissard, V. Toresen, M. T. Wimmer, K. Watanabe, T. Taniguchi, L. P. Kouwenhoven and E. P. A. M. Bakkers, Nano Letters, 17, 721 (2017)

2016

Synthesis, morphological and electro-optical characterizations of metal/semiconductor nanowire heterostructures.
M. Glaser, A. Kitzler, A. Johannes, S. Prucnal, H. Potts, S. Conesa-Boj, L. Filipovic, H. Kosina, W. Skorupa, E. Bertagnolli, C. Ronning, A. Fontcuberta i Morral and A. Lugstein, Nano Letters 16, 3507 (2016)

Ballistic Majorana nanowire devices.
H. Zhang, O. Gul, S. Conesa-Boj, K. Zuo, V. Mourik, F. K. de Vries, J. van Veen, D. J. van Woerkom, M. P. Nowak, M. Wimmer, D. Car, S. Plissard, E. P. A. M. Bakkers, M. Quintero-Prez, S. Goswami, K. Watanabe, T. Taniguchi and L. P. Kouwenhoven, arXiv:1603.04069 (2016)

2015

Analysis of the Atomic Layer Deposited Al2O3 field effect passivation in black silicon
G. Von Gastrow, R. Alcubilla, P. Ortega, M. Y.-Koski, S. Conesa-Boj, A. Fontcuberta i Morral and H. Savin, Solar Energy Materials and Solar Cells 142, 29 (2015)

Hexagonal Si Realized
H. I. T Hauge, M. A. Verheijen, S. Conesa-Boj, T. Etzelstorfer, M. Watzinger, D. Kriegner, I. Zardo, C. Fasolato, F. Capitani, P. Postorino, S. Kriegner, A. Li, S. Assali, J. Stangl and E.P.A.M. Bakkers, Nano Letters 15, 5855 (2015)

Quantum dots in the GaAs/AlxGa1-xAs core-shell nanowires: Statistical occurrence as a function of the shell thickness
L. Francaviglia, Y. Fontana, S. Conesa-Boj, G. Tutuncuoglu, L. Duchene, M. B. Tanasescu, F. Matteini and A. Fontcuberta i Morral, Appl. Phys. Lett. 107, 033106 (2015)

Bottom-up engineering of InAs at the nanoscale: from V-shaped nanomembranes to Nanowires
E. Russo-Averchi, G. Tutuncuoglu, A. Dalmau-Mallorqui, I. Canales Mundet, M. de la Mata, D. Ruffer, J. Arbiol, S. Conesa-Boj and A. Fontcuberta i Morral, J. of Crystal Growth 420, 47 (2015)

Cracking the Si shell Growth in Hexagonal GaP-Si Core-Shell Nanowires
S. Conesa-Boj, H. I. T Hauge, M. A. Verheijen, S. Assali, A. Li, E.P.A.M. Bakkers and A. Fontcuberta i Morral, Nano Letters, 15, 2974 (2015)

High Yield of GaAs Nanowire Arrays on Si Mediated by the Pinning and Contact Angle of Ga
E. Russo-Averchi, J. Vukajlovic Plestina, G. Tutuncuoglu, A. Dalmau-Mallorqui, M. de la Mata, D. Ruffer, H. Potts, F. Matteini, J. Arbiol, S. Conesa-Boj and A. Fontcuberta i Morral, Nano Letters 15, 2869 (2015)

Modulation Doping of GaAs/AlGaAs Core-Shell Nanowires with Effective Defect Passivation and High Charge Mobility
J. L. Boland, S. Conesa-Boj, P. Parkinson, G. Tutuncuoglu, F. Matteini, D. Ruffer, H. J. Joyce, L. M. Herz, A. Fontcuberta i Morral and M. B. Johnston, Nano Letters 15, 1336 (2015)

Low ensemble disorder in quantum well tube nanowires
C. L. Davies, P. Parkinson, N. Jiang, J. L. Boland, S. Conesa-Boj, H. H. Tan, C. Jagadish, L. M. Herz and M. B. Johnston, Nanoscale 7, 20531 (2015)

2014

Three-dimensional atom probe analysis of Al segregation and quantum dot formation in GaAs/AlGaAs core-shell nanowires
L. Mancini, Y. Fontana, S. Conesa-Boj, I. Blum, F. Vurpillot, L. Francaviglia, E. Russo-Averchi, M. Heiss, J. Arbiol, A. Fontcuberta i Morral and L. Rigutti, Appl. Phys. Lett. 105, 243106 (2014)

Probing inhomogeneous composition in core/shell nanowires by Raman spectroscopy
F. Amaduzzi, E. Alarcon-Llado, E. Russo-Averchi, F. Matteini, M. Heiss, G. Tutuncuoglu, S. Conesa-Boj, M. de la Mata, J. Arbiol and A. Fontcuberta i Morral, J. Appl. Phys. 116, 184303 (2014)

III-V nanowire arrays: growth and light interaction
M. Heiss, E. Russo-Averchi, A. Dalmau-Mallorqui, G. Tutuncuoglu, F. Matteini, D. Ruffer, S. Conesa-Boj, O. Demichel, E. Alarcon-Llado and A. Fontcuberta I Morral , Nanotechnology 25, 014015 (2014)

Plastic and Elastic Strain Fields in GaAs-Si core-shell Nanowires
S. Conesa-Boj, F. Boioli, E. Russo-Averchi, S. Dunand, M. Heiss, D. Ruffer, N. Wyrsch, C. Ballif, L. Miglio and A. Fontcuberta i Morral, Nano Letters 14, 1859 (2014)

Gold-Free Ternary III-V Antimonide Nanowire Arrays On Silicon: Twin-Free Down To The First Bilayer
S. Conesa-Boj, D. Kriegner, X. Han, S. Plissard, X. Wallart, J. Stangl, A. Fontcuberta i Morral, P. Caroff, Nano Letters 14, 326 (2014)

2013

Three-dimensional magneto-photoluminescence as a probe of the electronic properties of crystal-phase quantum disks in GaAs nanowires.
P. Corfdir, B. Van Hattem, E. Uccelli, S. Conesa-Boj, P. Lefebvre, A. Fontcuberta i Morral and R. T. Phillips, Nano Letters 13, 5303 (2013)

Growth mechanisms and process window for InAs V–shaped nanoscale membranes on Si[001].
E. Russo-Averchi, A. Dalmau-Mallorqui, I. Canales-Mundet, G. Tutuncuoglu, E. Alarcon-Llado, M. Heiss, D. Ruffer, P. Caroff, S. Conesa-Boj and A. Fontcuberta i Morral, Nanotechnology 24, 435603 (2013)

Raman spectroscopy of self-catalyzed GaAs1-xSbx nanowires grown on silicon.
E. Alarcon-Llado, S. Conesa-Boj, X. Wallart, P. Caroff, and A. Fontcuberta i Morral, Nanotechnology 24, 405707 (2013)

Hybrid axial and radial Si-GaAs heterostructures in nanowires.
S. Conesa-Boj, S. Dunand, E. Russo-Averchi, M. Heiss, D. Ruffer, N. Wyrsch, C. Ballif, and A. Fontcuberta i Morral, Nanoscale 5, 9633 (2013)

Exciton localization mechanisms in wurtzite-zinc-blende GaAs nanowires.
A. M. Graham, P. Corfdir, M. Heiss, S. Conesa-Boj, E. Uccelli, A. Fontcuberta i Morral, and R. T. Phillips, Phys. Rev. B 87, 125304 (2013)

Self-assembled quantum dots in a nanowire system for quantum photonics.
M. Heiss, Y. Fontana, A. Gustafsson, G. Wust, C. Magen, D. O’Regan, J. W. Luo, B. Ketterer, S. Conesa-Boj, A. V. Kuhlmann, J. Houel, E. Russo-Averchi, J. R. Morante, M. Cantoni, N. Marzari, J. Arbiol, A. Zunger, R. J. Warburton and A. Fontcuberta i Morral, Nature Materials 12, 439 (2013)

2012

Vertical III-V V-Shaped Nanomembranes Epitaxially Grown on a Patterned Si[001] Substrate and Their Enhanced Light Scattering.
S. Conesa-Boj, E. Russo-Averchi, A. Dalmau-Mallorqui, J. Trevino, E. F. Pecora, Carlo Forestiere, Alex Handin, M. Ek, L. Zweifel, L. Reine Wallenberg, D. Ruffer, M. Heiss, D. Troadec, L. Dal Negro, P. Caroff, and A. Fontcuberta i Morral, ACS Nano 6, 10982 (2012)

2011 and earlier

Carrier confinement in GaN/AlxGa1-xN nanowire heterostructures. F. Furtmay, J. Teubert, P. Becker, S. Conesa-Boj, J. R. Morante, A. Chernikov, S. Schafer, S. Chatterjee, J. Arbiol, M. Eickhoff, Physical Review B 84, 205303 (2011)

Direct correlation of atomic structure and optical properties in wurtzite/zinc-blende GaAs nanowire heterostructures.
M. Heiss, S. Conesa-Boj, J. Ren, H.-H. Tseng, A. Gali, E. Uccelli, F. Peiro, J. R. Morante, E. Kaxiras, J. Arbiol and A. Fontcuberta i Morral, Physical Review B 83, 045303 (2011)

Defect Formation in Ga-Catalyzed Silicon Nanowires.
S. Conesa-Boj, I. Zardo, S. Estrade, L. Wei, P. J. Alet, P. Roca i Cabarrocas, J. R. Morante, F. Peiro, A. Fontcuberta i Morral and J. Arbiol, Crystal Growth & Design 10, 1534 (2010)

Growth study of indium-catalyzed silicon nanowires by plasma enhanced chemical vapor deposition.
I. Zardo, S. Conesa-Boj, S. Estrade, L. Yu, F. Peiro, P. Roca i Cabarrocas, J. R. Morante, J. Arbiol, A. Fontcuberta i Morral, Applied Physics A 100, 287 (2010)

Single crystalline and core-shell indium-catalyzed germanium nanowires–a systematic thermal CVD growth study.
Y. Xiang, L. Cao, S. Conesa-Boj, S. Estrade, J. Arbiol, F. Peiro, M. Heiss, I. Zardo, Morante J.R., M. L. Brongersma and A. Fontcuberta i Morral, Nanotechnology 20, 245608 (2009)

Plasma-enhanced low temperature growth of silicon nanowires and hierarchical structures by using tin and indium catalysts.
L. Yu, B. O.Donnell, P.-J. Alet, S. Conesa-Boj, F. Peiro , J. Arbiol and P. Roca i Cabarrocas, Nanotechnology 20, 225604 (2009)

Gallium assisted plasma enhanced chemical vapor deposition of silicon nanowires.
I. Zardo, L. Yu, S. Conesa-Boj, S. Estrade, P.-J. Alet, J. Simon, M. Frimmer, P. Roca i Cabarrocas, F. Peiro, J. Arbiol, J. R. Morante and A. Fontcuberta i Morral, Nanotechnology 20, 155602 (2009)

Catalyst-free nanowires with axial InxGa1-xAs/GaAs heterostructures.
M. Heiss, A. Gustafsson, S. Conesa-Boj, F. Peiro, J. R. Morante, G. Abstreiter, J. Arbiol, L. Samuelson and A. Fontcuberta i Morral, Nanotechnology 20, 075603 (2009)

Long Range Epitaxial growth of Prismatic Heterostructures on the Facets of Catalyst-Free GaAs Nanowires.
M. Heigoldt, J. Arbiol, D. Spirkoska, J. M. Rebled, S. Conesa-Boj, G. Abstreiter, F. Peiro, J. R. Morante and A. Fontcuberta i Morral, Journal of Materials Chemistry 19, 840 (2009)

Raman spectroscopy of wurtzite and zinc-blende GaAs nanowires: Polarization dependence, selection rules, and strain effects.
I. Zardo, S. Conesa-Boj, F. Peiro, J. R. Morante, J. Arbiol, E. Uccelli, G. Abstreiter and A. Fontcuberta i Morral, Physical Review B 80, 245324 (2009)

Structural and optical properties of high quality zinc-blende/wurtzite GaAs nanowire heterostructures.
D. Spirkoska, J. Arbiol, A. Gustafsson, S. Conesa-Boj, F. Glas, I. Zardo, M. Heigoldt, M.H. Gass, A. L. Bleloch, S. Estrade, M. Kaniber, J. Rossler, F. Peiro, J. R. Morante, G. Abstreiter, L. Samuelson and A. Fontcuberta i Morral, Physical Review B 80, 245325 (2009)