Publicaciones desde 2005


75) V. González, O. Marin, M. Tirado, D. Comedi, Metastability effects on the photoluminescence of ZnO nano-micro structures grown at low temperature and influence of the precursors on their morphology and structure, Materials Research Express 5, 125003 (2018).

74) N. C. Vega, J. H Mecchia Ortiz, M. Tirado, N. E. Katz, D. Comedi, ZnO nanowire sensitization with Ru polypyridyl complexes: charge-transfer probed by spectral and relaxation photocurrent measurements, Materials Research Express 5, 075020 (2018).

73) O. Marin, P. Alastuey, E. Tosi, J. Orive, E. Mosquera, G. Zampieri, S. Suárez, D. Comedi, M. Tirado, Suppression of the green emission, texturing, solute-atom diffusion and increased electron-phonon coupling induced by Ni in sol-gel ZnNiO thin films, Applied Surface Science 456, 771-780 (2018).

72) N. C. Vega, O. Marin, E. Tosi, G. Grinblat, E. Mosquera, M. S. Moreno, M. Tirado, D. Comedi, The shell effect on the room temperature photoluminescence from ZnO/MgO core/shell nanowires: exciton-phonon coupling and strain, Nanotechnology 28, 275702 (2017) (9pp).

71) P. Gallay, E. Tosi, R. Madrid, M. Tirado, D. Comedi, Glucose biosensor based on functionalized ZnO nanowire/graphite films dispersed on a Pt electrode, Nanotechnology 27, 425501 (2016) (8pp). 

70) O. Marin,  M. Tirado, N. Budini, E. Mosquera, C. Figueroa, D. Comedi, Photoluminescence from c-axis oriented ZnO films synthesized by sol-gel with diethanolamine as chelating agent, Materials Science in Semiconductor Processing 56, 59–65 (2016). 

69) L. D. Sappia, M. R. Trujillo, I. Lorite, R. E. Madrid, M. Tirado, D. Comedi, P. Esquinazi, Nanostructured ZnO films: a study of molecular influence on transport properties by impedance spectroscopy, Materials Science and Engineering B 200, 124-131 (2015).

68)  O. Marin, A.M. Gennaro, M. Tirado, R.R. Koropecki, D. Comedi, White light from annealed porous silicon: broadband emission from violet to the near infrared, Materials Letters 150, 55-58 (2015).

67) O. Marin, G. Grinblat, A.M. Gennaro, M. Tirado, R.R. Koropecki, D. Comedi, On the origin of white photoluminescence from ZnO nanocones/porous silicon heterostructures at room temperature, Superlattices and Microstructures 79, 29-37 (2015). 

66) O. Marin, V. Toranzos, R. Urteaga, D. Comedi, R.R. Koropecki, Negative differential resistance in porous silicon devices at room temperature, Superlattices and Microstructures 79, 45-53 (2015). 

65) G. Grinblat, M. Rahmani, E. Cortés, M. Caldarola, D. Comedi, S.A. Maier, A. Bragas, High efficiency second harmonic generation from a single hybrid ZnO nanowire /Au plasmonic nano-oligomer, Nano Letters 14, 6660-6665 (2014).

64) C. Sandoval, O. Marín, S. Real, D. Comedi, M. Tirado, Electrophoretic deposition of ZnO nanostructures: Au nanoclusters on Si substrates induce self-assembled nanowire growth, Materials Science and Engineering B 187, 21-25 (2014).

63) G. Grinblat, F. Bern, J. Barzola-Quiquia, M. Tirado, D. Comedi, P. Esquinazi, Luminescence and electrical properties of single ZnO/MgO core-shell nanowires, Applied Physics Letters 104, 103113 (2014).

62) M.G. Capeluto, G. Grinblat, M. Tirado, D. Comedi, A. V. Bragas, Non-linear excitation of polariton cavity modes in ZnO single nanocombs, Optics Express 22, 5341 (2014).

61) G. Grinblat, L.J. Borrero González, L.A.O. Nunez, M. Tirado, D. Comedi, Enhanced optical properties and (Zn,Mg) interdiffusion in vapour transport grown ZnO/MgO core/shell nanowires, Nanotechnology 25, 035705 (2014). 

60) A.C.E Chia, M. Tirado, F. Thouin, R. Leonelli, D. Comedi, R.R. LaPierre, Surface depletion and electrical transport model of AlInP-passivated GaAs nanowiresSemicond. Sci. Technol. 28, 105025 (2013).

59) J. H. M. Ortiz,  N. Vega, D. Comedi, M. Tirado, I. Romero, X. Fontrodona, T. Parella, F.E.M. Vieyra, C. D. Borsarelli, N.E. Katz, Improving the photosensitizing properties of ruthenium polypyridyl complexes using 4-methyl-2,2'-bipyridine-4'-carbonitrile as an auxiliary ligandInorg. Chem. 52, 4950 (2013).

58) O. Marin, R.Urteaga, D. Comedi, R.R. Koropecki, Switchable Electric Field Induced Diode Effect in Nanostructured Porous SiliconIEEE Electr. Dev. Lett. 34, 590 (2013).

57) N.C. Vega, R. Wallar, J.P. Caram, G. Grinblat, M. Tirado, R.R. LaPierre, D. Comedi, ZnO nanowire co-growth on SiO2 and C by carbothermal reduction and vapour advectionNanotechnology 23, 275602 (2012). Highlighted by IOP at its science news website.

56) G. Grinblat, M.G. Capeluto, M. Tirado, A.V. Bragas, D. Comedi, Hierarchichal ZnO nanostructures: Growth mechanisms and surface correlated photoluminescenceAppl. Phys. Lett. 100, 233116 (2012).

55) A.C.E. Chia, M. Tirado, Y. Li, S. Zhao, Z. Mi, D. Comedi, R.R. LaPierre, Electrical transport and optical model of GaAs-AlInP core-shell nanowires, J. Appl. Phys. 111, 094319 (2012).

54) L. J. Borrero-González, L. A. O. Nunes, F. E. G. Guimarães, J. Wojcik, P. Mascher, A. M. Gennaro, M. Tirado, D. Comedi, From amorphous to crystalline silicon nanoclusters: structural effects on exciton propertiesJ. Phys.: Condens. Matter 23, 505302 (2011).

53) Y. A. Pusep, A. D. Rodrigues, L. J. Borrero-González, L. N. Acquaroli, R. Urteaga, R. D. Arce, R. R. Koropecki, M. Tirado, D. Comedi, Fano resonance in heavily doped porous siliconJ. Raman Spectroscopy 42, 1405 (2011) (DOI: 10.1002/jrs.2870) .

52) L.J. Borrero-González, L.A.O. Nunes, M.R.B. Andreeta, J. Wojcik, P. Mascher, Y.A. Pusep, D. Comedi, F.E.G. Guimarães, The role of quantum confinement and crystalline structure on excitonic lifetime in silicon nanoclusters, J. Appl. Phys. 108, 13105 (2010).

51) J. Caram, C. Sandoval, M.Tirado, D. Comedi, J.A. Czaban, R.R. LaPierre, Electrical characteristics of core-shell p-n GaAs nanowire structures with Te as the n-dopantNanotechnology 21, 134007 (2010). Highlighted by IOP at its science news website.

50) Tirado M., Comedi D., R.R. LaPierre, Impedance spectroscopy characterization of GaAs nanowire bundles grown by metal-catalyzed molecular beam epitaxy, J. Alloys and Compounds 495, 443-445 (2010).

49) Comedi D., Tirado M., C. Zapata, S.P. Heluani, M. Villafuerte, P. Mohseni, R.R. LaPierre, Randomly oriented ZnO nanowires grown on amorphous SiO2 by metal-catalized vapour deposition, J. Alloys and Compounds 495, 439-442 (2010).

48) Y.A. Pusep, A.D. Rodrigues, J.C. Galzerani, R.D. Arce, R.R. Koropecki, and D. Comedi, Internal strain distribution in free-standing porous silicon, J. Electrochem. Soc. 156, K215-K217 (2009).

47) Comedi D., Heluani, S.P., Villafuerte, M., Arce, R.D., Koropecki, R.R., Power law photoconductivity time decay in nanocrystalline TiO2 thin films, J. Phys.: Condens. Matter 19, 486205 (2007) (10 pages).

46) Villafuerte, M., Juárez, G., Heluani, S.P., and Comedi, D., Hysteretic current-voltage characteristics in RF-sputtered nanocrystalline TiO2 thin filmsPhysica B 398, 321-324 (2007).

45) Heluani, S.P., Comedi, D., Villafuerte, M., and Juárez, G., Polaron variable range hopping in TiO2-x  (- 0.04< x <0.2) thin films, Physica B 398, 305-308 (2007).

44) Comedi, D., O. H.Y. Zalloum, J. Wojcik, and P. Mascher, Light emission from hydrogenated and unhydrogenated Si-nanocrystal/Si dioxide composites based on PECVD-grown Si-Rich Si oxide filmsIEEE J. Sel. Top. Quantum Electron. 12, 1561-1569 (2006). (Número especial dedicado al tema: Si Photonics).

43) Cornet, D.M., LaPierre, R.R., Pusep, Y.A., Comedi, D., High resolution X-Ray Diffraction Analysis of InGaAs/InP SuperlatticesJ. Appl. Phys. 100, 043518 (2006) (6 pages).

42) Burmeister, F., Comedi, D., Chambouleyron, I., Bismuth doping of hydrogenated amorphous germanium thin films, Thin Solid Films 515, 2442-2446 (2006).

41) Pusep, Yu.A., de Giovanni Rodrigues, A., Galzerani, J.C., Cornet, D.M., Comedi, D., LaPierre, R.R., Miniband effect on optical vibrations in short-period InGaAs/InP superlatticesPhys. Rev. B 73, 235344 (2006) (6 páginas).

40) Pusep, Yu., de Giovanni Rodriguez, A., Galzerani, J.C., Comedi, D., LaPierre, R.R., Evidence of the Miniband Formation in InGaAsP/InP SuperlatticesBraz. J. Phys. 36, 905-907(2006).

39) Comedi, D., Zalloum, O.H.Y., Irving, E.A., Wojcik, J., and Mascher, P., H-Induced Effects in Luminescent Silicon Nanostructures Obtained from PECVD Grown SiyO1-y:H (y>1/3) Thin Films Annealed in (Ar+5%H2)J. Vac. Sci. Technol. A 24, 817-820 (2006).

38) Comedi, D., Zalloum, O.H.Y., Irving, E.A., Wojcik, J. , Roschuk, T., Flynn, M.J., and Mascher, P., X-ray Diffraction Study of Crystalline Si Nanocluster Formation in Annealed Silicon-Rich Silicon OxidesJ. Appl. Phys. 99, 023518 (2006) (8 páginas).

37) Comedi, D., Zalloum, O.H.Y., and Mascher, P., H-sensitive radiative recombination path in Si-nanoclusters embedded in SiO2, Appl. Phys. Lett. 87, 213110 (2005) (3 páginas).


23) N.C. Vega, M. Tirado, D. Comedi, A. Rodriguez, T. Rodriguez, G.M. Hughes, C.R.M. Grovenor, F. Audebert, Electrical, Photoelectrical and Morphological Properties of ZnO Nanofiber Networks Grown on SiO2 and on Si NanowiresMat. Res. 16597-602 (2013).

22) G. Grinblat, M.G. Capeluto, M. Tirado, D. Comedi, A.V. Bragas, Two-Photon Photoluminescence from Hierarchical ZnO NanostructuresECS Transactions 45 (5) 67-72 (2012) 10.1149/1.3700411.

21) L.J. Borrero-González, L.A.O. Nunes, F.E.G. Guimarães, J Wojcik, P MascherA.M. Gennaro, M. Tirado, D. ComediGrowing Si Nanocrystals within a-Si Nanoclusters Embedded in a-SiO2Evolution of Photoluminescence (Invited), ECS Transactions 45 (5) 11-19 (2012) 10.1149/1.3700405.

20) S. Real, M. Tirado, D. Comedi, Simulación de Fotoconductividad Persistente en Óxidos Semiconductores y Determinación de Distribución de Trampas, Tercer Congreso de Matemática Aplicada, Computacional e Industrial, III MACI 2011, 9-11 de mayo de 2011, Bahía Blanca, Buenos Aires, Argentina, Publicado en MACI 3, 311-314 (2011).

19) M. Tirado, L. Borrero, F.E.G. Guimarães, Yu.A. Pusep, D. Comedi, Photoluminescence from ZnO Nanostructures Fabricated by the Vapour Transport Method at Various Substrate Temperatures, 17th International Symposium on Metastable, Amorphous and Nanostructured Materials, Zurich, Switzerland, July 4 - 9, 2010.

18) P. DiCarlo, I. Gastaminza, M. Tirado (codirectora), D. Comedi (director), Fotoconductividad Espectral en Nanohilos de GaAs tipo Núcleo-Corteza, presentado a la IV Jornadas de Jóvenes Investigadores de la AUGM, 22-24 de Junio de 2010, San Miguel de Tucumán, Argentina. MENCIÓN ESPECIAL (CIUNT).

17) N. Vega, M. Tirado (codirectora), D. Comedi (director), Propiedades Ópticas y Eléctricas de Arreglos de Nanohilos de ZnO con Tamaño Controlado por Temperatura, presentado a la IV Jornadas de Jóvenes Investigadores de la AUGM, 22-24 de Junio de 2010, San Miguel de Tucumán, Argentina.

16) C. Sandoval, D. Comedi (codirector), M. Tirado (directora), Estudio Comparativo mediante Espectroscopía de Impedancia de la Influencia de Contactos en Nanohilos Semiconductores, presentado a la IV Jornadas de Jóvenes Investigadores de la AUGM, 22-24 de Junio de 2010, San Miguel de Tucumán, Argentina.

15) J.P. Caram, C. Sandoval, M. Tirado (codirectora), D. Comedi (director), Características eléctricas de Estructuras de Nanohilos de GaAs Núcleo-n/Corteza-p con Te como Dopante n, presentado a la IV Jornadas de Jóvenes Investigadores de la AUGM, 22-24 de Junio de 2010, San Miguel de Tucumán, Argentina.

14) N. Vega, M. Tirado (codirectora), D. Comedi (director), Propiedades eléctricas y fotoeléctricas de redes de nanohilos de ZnO, III Jornadas Jóvenes Investigadores UNT- AUGM, 23-25 de Junio de 2009, trabajo seleccionado para representar a la UNT en las XVII Jornadas Nacionales de AUGM, Entre Ríos, Argentina.

13) R. Urteaga, O. Marín, L.N. Acquaroli, D. Comedi, J.A. Schmidt and R.R. Koropecki, Aumento de la fotoconductividad y sintonización fina de la respuesta en microcavidades de silicio poroso nanoestructurado, Anales AFA 20, 110 (2008).

12) R. Urteaga, O. Marín, L.N. Acquaroli, D. Comedi, J.A. Schmidt and R.R. Koropecki, Enhanced photoconductivity and fine response tuning in nanostructured porous silicon microcavities, Journal of Physics: Conference Series 167, 012005 (2009).

11) M. Villafuerte, S.P. Heluani, G. Juárez, D. Comedi, G. Braunstein, F. Golmar, Study of the Effect of Metal/Semiconductor Interface Properties on a Resistive Switching Device, Mater. Res. Soc. Symp. Proc. Vol. 997 (2007).

10) Y.A.Pusep, A. de Giovanni Rodrigues, J.C.Galzerani, D.M.Cornet, D.Comedi, R.R.LaPierre, Miniband Effects in Short-period InGaAs/InP superlattices, 28th International Conference on the Physics of Semiconductors - ICPS 2006, AIP Conf. Proc. 893, 385-386 (2007).

9) A. de Giovanni Rodrigues, J.C.Galzerani, Yu. A. Pusep, D.M.Cornet, D.Comedi, R.R.LaPierre, Vibrational properties and the miniband effect in InGaAs/InP superlattices, "EPIOPTICS-9", Proceedings of the 39th Course of the International School of Solid State Physics, World Scientific, ISBN 978-981-279-402-4, http://www.worldscibooks.com/physics/6768.html

8) D. Comedi, O. H. Y. Zalloum, D. E. Blakie, J. Wojcik, and P. Mascher, Formation of and Light Emission from Si nanocrystals Embedded in Amorphous Silicon Oxides, Science and Technology of Dielectrics for Active and Passive Photonic Devices (Invited), ECS Trans. 3, (11) 3 (2006).

7) D.Comedi, M. Villafuerte, G. Juarez, and S. P. Heluani, Structure and Electrical Properties of Reactively rf Sputtered nc-TiO2-x (-0.04 < x < 0.2) Thin Films, Science and Technology of Dielectrics for Active and Passive Photonic Devices, ECS Trans. 3, (11) 135 (2006).

6) Roschuk, T., Comedi, D., Zalloum, O.H.Y., Irving, E.A., Wojcik, J., and Mascher, P., Optical Properties of Nanostructures based on Silicon Rich Silicon Oxide Thin Films, Invited paper submitted to the Proc. of the 207th Electrochemical Society Meeting, Quebec city, Canadá, May 15-20, 2005 (Artículo Completo Invitado).

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