CICIMA: Centro de Investigación en Ciencia e Ingeniería de Materiales

CICIMACICIMACICIMA
Centro de Investigación en Ciencia e Ingeniería de Materiales (CICIMA)

PUBLICACIONES) dd

Pulse "doi" para ingresar en la página de la casa editorial donde se almacena el artículo. Pulse "pdf" para obtener el archivo en formato pdf. (100 publicaciones entre 1990 y 2015).

2017 

  • William E. Vargas "Dielectric functions of Pd and Zr transition metals: an application of Drude–Lorentz models with simulated annealing optimization". Vol. 56, Issue 4pp. 1266-1275 (2017) Applied Optics. doi. pdf
  • Tatiana Vargas-Koudriavtsev and Óscar-Andrey Herrera-Sancho "Effect of tooth-bleaching on the carbonate concentration" J Clin Exp Dent. 2017;9(1):e101-6. http://dx.doi.org/10.4317/jced .53145.

 

2016 

  • Jackeline Narváez, Fabián Vásquez-Sancho, Gustau Catalán "Enhanced flexoelectric-like response in oxide semiconductors" Enhanced flexoelectric-like response in oxide semiconductors. Nature, 2016. Doi:10.1038/nature19761.pdf
  • Hugo Solís, Neville Clark,Daniel Azofeifa and E. Avendano "Room temperature gas-solid reaction of titanium on glass surfaces forming a very low resistivity layer" AIP Advances 6, 095218 (2016); http://dx.doi.org/10.1063/1.4963679.doipdf
  • W. E. Vargas, M. Hernández Jiménez, E. Libby, D. E. Azofeifa, C. Barboza, Á. Solis "Light Reflection by Cuticles of Chrysina Jewel Scarabs: Optical Measurements, Morphology Characterization, and Theoretical Modeling" Optics & Photonics Journal 6, 146-163 (2016). doi. pdf.
  • M. Guevara-Bertsch, G. Ramírez-Hidalgo, A. Chavarría-Sibaja, E. Avendaño, J. A. Araya-Pochet, O. A. Herrera-Sancho. "Detection of the adsorption of water monolayers through the ion oscillation frequency in the magnesium oxide lattice by means of low energy electron diffraction". AIP Advances, Vol. 6, pp. 035317 (2016). doi.

  • M. Guevara-Bertsch, L. Salfenmoser, A. Chavarría-Sibaja, E. Avendaño, O.A. Herrera-Sancho.  "Diseño y caracterización de un enfriador de átomos de tipo desacelerador Zeeman”. Revista Mexicana de Física, Vol. 62, pp. 175-182 (2016). pdf.
  • G. G. Guzmán-Verri, P.B. Littlewood, "Why is the electrocaloric effect so small in ferroelectrics?". APL Materials, Vol. 4, p. 064106 (2016). doi.

 

2015

  • Sahan U. Handunkanda, Erin B. Curry, Vladimir Voronov, Ayman H. Said, Gian G. Guzmán-Verri, Richard T. Brierley, Peter B. Littlewood, Jason N. Hancock, " Large isotropic negative thermal expansion above a structural quantum phase transition". Physical Review B, Vol. 92, p. 134101 (2015). doi.
  • C. Vargas, A. Corrales, T. Ramírez-Cortés, A. Ramírez-Porras, "Study of oxidation effect on the photoluminescence in p-type nanostructured silicon". Physica Status Solidi C, Vols.1-4, pp. 1383-1386 (2015). doi.
  • W. E. Vargas, M. Hernández-Jiménez, E. Libby, D. E. Azofeifa, A. Solís, C. Barboza-Aguilar, "Broadening of effective photonic band gaps in biological chiral structures: from intrinsic narrow band gaps to broad band reflection spectra". A Letters Journal Exploring the Frontiers of Physics, EPL, 111 (2015) 64001. doi.
  • Tatiana Vargas-Koudriavtsev, Randall Durán-Sedó, Paola Sáenz-Bonilla, Vivian Bonilla-Mora, Milena Guevara-Bertsch, Rodrigo Antonio Jiménez-Corrales, Oscar Andrey Herrera-Sancho, "Effect of tooth-bleaching agents on phosphate concentration in dental enamel by means of Raman spectroscopy", Revista Odontológica MexicanaVol. 19, No. 4 (2015) pp 228-235. pdf.

  • M. Guggemos, D. Heinrich, O.A. Herrera-Sancho, R. Blatt, C.F. Roos, "Sympathetic cooling and detection of a hot trapped ion by a cold one" New J. Phys. 17 (2015) 103001. doi.

  • Neville Clark, William E. Vargas, Daniel E. Azofeifa, "Dielectric function of Pd hydride thin films in terms of hydrogen concentration and film’s thickness: A parametric formulation" J. Alloys & Compounds 645, S320-S324 (2015).  doi.

  • D. E. Azofeifa, M. Hernández-Jiménez, E. Libby, Á. Solís, C. Barboza-Aguilar, W. E. Vargas, “A quantitative assessment approach of feasible optical mechanisms contributing to structural color of golden-like Chrysina aurigans scarab beetles” J. Quant. Spectros. Rad. Transfer 160, 63-74 (2015). doi.
  • G.G. Guzmán-Verri, C.M. Varma, "Structure factor of a relaxor ferroelectric". Physical Review B, Vol. 91, p 144105 (2015).doi.
  • A. Ramírez Porras, O. García, C. Vargas, A. Corrales, J.D. Solís, "Stochastic Quantum Confinement in Nanocrystalline Silicon Layers: The Role of Quantum Dots, Quantum Wires and Localized States ". Applied Surface Science. Vol. 347, pp. 471-474 (2015). doi.

2014

  • N. Clark, W. E. Vargas, D. E. Azofeifa, G. Sáenz-Arce, H. Solís, G. Ramírez-Hidalgo, “Polycrystalline indium films in the percolation threshold regime: time correlation between electric conduction and optical properties with film morphology”.Materials Research Express, Vol.1, 016302 (2014). doipdf.
  • M. Hernández-Jiménez, D. E. Azofeifa, E. Libby, C. Barboza-Aguilar, Á. Solís, L. Arce-Marenco, I. García-Aguilar, A. Hernández, W. E. Vargas, “Qualitative correlation between structural chirality through the cuticle of Chrysina aurigans scarabs and left-handed circular polarization of the reflected light”.  Optical Materials Express, Vol. 4, No. 12, p. 2632 (2014). doi. pdf.
  • E Libby, D E Azofeifa, M Hernández-Jiménez, C Barboza-Aguilar, A Solís, I García-Aguilar, L Arce-Marenco, A Hernández, W E Vargas, “Light reflection by the cuticle of C. aurigans scarabs: a biological broadband reflector of left handed circularly polarized light”. Journal of Optics, Vol. 16, No. 08, 082001 (2014). doipdf.
  • W. E. Vargas, D. E. Azofeifa, N. Clark, H. Solis, F. Montealegre, M. Cambronero, “Parametric formulation of the dielectric function of palladium and palladium hydride thin films”. Applied Optics, Vol. 53, No. 24, p. 5294 (2014). doi.

2013

  • D. E. Azofeifa, N. Clark, W .E. Vargas, H. Solís, G .K Pálsson, B. Hjörvarsson “Hydrogen Induced Changes in the optical properties of Pd Capped V thin films”. Journal of Alloys and Compounds, Vol. 580, Suppl. 1, pp. S114-S118 (2013). doi.pdf.
  • E. Castellón, M. Martínez, S. Madrigal-Carballo, M. L. Arias, W. E. Vargas, and M. Chavarría “Scattering of light by colloidal aluminosilicate particles produces the unusual sky-blue color of Río Celeste (Tenorio Volcano Complex, Costa Rica) PLOS ONE 8, e75165 (2013). DOI: 10.1371/journal.pone.0075165
  • R. Montalbert-Smith Echeverría, M. L. Montero, "Electrolytic one-pot synthesis of Group II nanohydroxyapatites". Journal of Materials Science, March 2013. doipdf.
  • W. E. Vargas, D. E. Azofeifa, H. J. Arguedas, Índices de refracción de la quitina, el quitosano y el ácido úrico con aplicación al análisis de color estructural”.Óptica Pura y Aplicada. Vol. 46, pp. 55-72 (2013). pdf.

2012

  • D. E. Azofeifa, H.J. Arguedas, W.E. Vargas, "Optical properties of chitin and chitosan biopolymers with application to structural color analysis". Optical Materials. (2012). doi. pdf.
  • D. E. Azofeifa, N. Clark, W. E. Vargas, H. Solís, G. K. Pálsson, B. Hjörvarsson, “Temperature- and hydrogen-induced changes in the optical properties of Pd capped V thin films”. Physica Scripta. Vol. 86, No. 6 (2012). doi.
  • A. Ramírez-Porras, B. D. Fahlman, J. P. Badilla, V. López, “Organic Vapor Sensors Based on Functionalized Macroporous Si Using Single and Double-Side Electrochemical Etching”.Microelectronic Engineering, Vol. 90, pp. 55–58 (2012). doi.
  • A. Sánchez, R. Urcuyo, D. González-Flores, R. Montalberth-Smith, C. León-Rojas, L. W. Pineda, M. L. Montero, "Electroactive copper(II) bimetallic self-assembled multilayers on Si(100)". Surface Science, Vol. 606, Nos. 3-4, pp. 527-535 (2012). doi. pdf.

2011

  • J. P. Badilla, D. C. Rojas, V. López, B. D. Fahlman, A. Ramírez-Porras, “Development of an Organic Vapor Sensor Based on Functionalized Porous Silicon”. Physica Status Solidi A, Vol. 208, No. 6, pp. 1458–1461 (2011). doi.
  • C. Campos-Fernández, D. E. Azofeifa, M. Hernández-Jiménez, A. Ruiz-Ruiz, W. E. Vargas "Visible ligh reflection spectra from cuticle layered materials" . Optical Materials Express, Vol. 1, pp. 85-100 (2011). doi.
  • O. A. Herrera-Sancho, D. Castro-González, J. A. Araya-Pochet, W. E. Vargas-Castro, “Ultra Thin Films of Gadolinium Deposited by Evaporation in Ultra High Vacuum Conditions: Composition, Growth and Morphology”. Applied Surface Science, Vol. 257, pp. 3510-3518 (2011). doi.
  • A. Sánchez, J. González, A. García-Piñeres, M. L. Montero, "Nano-hydroxyapatite colloid suspension coated on chemically modified porous silicon by cathodic bias: a suitable surface for cell culture". Physica Status Solidi C, Vol. 8, No. 6, pp. 1898-1902 (2011). doi. pdf.
  • W. E. Vargas "Difusión y absorción de luz en materiales no homogéneos: modelo de Kubelka-Munk". Óptica Pura y Aplicada, Vol. 44, pp. 163-183 (2011). pdf.

2010

  • P. Greenwood, B. S. Gevert, J. E. Otterstedt, G. A. Niklasson, W. E. Vargas, “Novel nano-composite particles: titania-coated silica cores”. Pigment & Resin Technology, Vol. 39, pp. 135-140 (2010). doi.
  • G.K. Pálsson, Y. T. Wang, D. Azofeifa, H. Raanaei, M. Sahlberg, B. Hjörvarsson, “Influence of Titanium and Vanadium on the hydrogen transport through amorphous alumina films”. Journal of Alloys and Compounds, Vol. 494, p. 239 (2010). doi.

2009

  • N. Murillo, E. Rucavado, A. Ramírez-Porras, “Effect of Ethanol in an Inorganic Salt Detector Based on Porous Silicon”. Physica Status Solidi C, Vol. 6, pp. 1709-1712 (2009). doi.
  • W. E. Vargas, D. E. Azofeifa, N. Clark, “On the optical absorption coefficient of Gd hydride thin films: coexistence of the Gd (GdH2) and GdHx (GdH2+y) phases”. Journal of Physics D: Applied Physics, Vol. 42, 015416 (2009). doi.

2008

  • H. Arce, M. L. Montero, "Use of Complexing Agents in Hydroxyapatite Synthesis". Key Engineering Materials, Vols. 396-398, pp. 293-296 (2008). doi.
  • A. Ramirez-Porras, “Analysis of Voltage Signals by Flicker Noise Methodology Applied on Porous Silicon Films Growth”. Surface Review and Letters, Vol. 15,  pp. 613-617 (2008). doi.
  • A. Ramirez-Porras, “Flicker Noise Analysis of Laminar Voltage Signals of Porous Silicon Films”. Microelectronics Journal, Vol. 39, pp. 1368-1370 (2008). doi.
  • M. Morales-Masis, A. Ramirez-Porras, “Determination of Vickers Microhardness on Porous Silicon Surfaces”. Thin Solid Films, Vol. 516, pp. 1961-1936 (2008). doi.
  • E. Rucavado, J. P. Badilla, A. Ramírez-Porras, “The Effect of N2 in Vapor Detectors Based on Porous Silicon Layers”. Electrochemical Society Transactions, Vol. 16, pp. 299-303 (2008). doi.
  • W. E. Vargas, “Aggregation and Composition Effects on Absorption and Scattering Propierties of Dye Sensitized Anatase TiO2 Particle Clusters”, J. Quant. Spectroscopy & Radiative Transfer, Vol. 109, pp. 1693-1704 (2008). doi.
  • W. E. Vargas, D. E. Azofeifa, N. Clark, X. Márquez, “Collective Response of metal islands on a dielectric  substrate when normally illuminated with electromagnetic radiation”. Journal of Physics D: Applied Physics, Vol. 41, p. 25309 (2008). doi.

2007

  • H. Arce, M. L. Montero, A. Sáenz, V. M. Castaño, "Hydroxyapatite coatings on metals from calcium-EDTA-phosphate homogeneous solutions". International Journal of Materials and Producto Technology, Vol. 30, No. 4, pp. 408-418 (2007). link.
  • D. E. Azofeifa, W. E. Vargas, N. Clark, H. Solís, "Optical and electrical properties of Holmium thin films as a function of hydrogen concentration". Journal of Alloys & Compounds, Vol. 446-447, pp. 522-525 (2007). doi.
  • G.G. Guzmán-Verri, L.C. Lew Yan Voon, "Electronic structure of silicon-based nanostructures".Physical Review B, Vol. 76, p. 075131 (2007). doi.
  • M. Morales-Masís, L. Segura, A. Ramírez-Porras, “Correlation betweenVickers Microhardness, Porous Layer Thickness and Porosity in p-typeNanostructured Silicon”. AppliedSurface Science, Vol. 253, pp. 7188–7191 (2007). doi.
  • O. Rojas, M. Araya, M. L. Montero, D. E. Azofeifa, W. E. Vargas, “Synthesis and characterization of Cu(II) containing PMMA co-polymer for optical applications”. Journal of Materials Science, Vol. 42, 3161-3166  (2007). doi.
  • W. E. Vargas, A. Amador, D. E. Azofeifa, N. Clark, “Semiconductor behavior of hydrided Dy thin films as a function of increasing hydrogen pressure”. Thin Solid Films, Vol. 515, pp. 8087-8093 (2007). doi.
  • W. E. Vargas, D. Castro, “Closed equation for the normal incidence reflectance of thin films on absorbing substrates”. Applied Optics, Vol. 46, pp. 502-505 (2007). doi.

2006

  • M. L. Montero, J. G. Rodríguez, A. Sáenz, V. M. Castaño, “Electrochemical Synthesis of Nanosized Hydroxyapatite". Journal of Materials Science and Letters, Vol. 41, p. 2141 (2006). doi.
  • W. E. Vargas, A. Amador, G. A. Niklasson, “Diffuse reflectance of TiO2 pigmented paints: spectral dependence of the average pathlength parameter and the forward scattering ratio”. Optics Communications, Vol. 261, pp. 71-78 (2006). doi.
  • W. E. Vargas, I. Rojas, D. E. Azofeifa, N. Clark, “Optical and electrical properties of hydrided palladium thin films studied by an inversion approach from transmittance measurements”. Thin Solid Films, Vol. 496, pp. 189-196 (2006). doi.

2005

  • D. E. Azofeifa, N. Clark, W. E. Vargas, ”Optical and electrical properties of Terbium films as a function of hydrogen concentration”. Physica Status Solidi (b), pp. 2005-2009 (2005). doi.
  • P. Fernández-Siles, A. Ramírez-Porras, “The Role of Electrochemical Etching Conditions In The Growth Of Porous silicon Layers”. In Antonio Mendéz-Vilas, Ed.: Recent Advances in Interdisciplinary Applied Physics ( Elsevier, Netherlands, 2005) p. 651. doi.
  • A. Ramírez-Porras, “Nanoestructure Size Determination in p-type Porous Silicon by the Use of transmission Electron Difraction Image Processing”. Physica Status Solidi (c), Vol. 2, pp. 3324-3328 (2005). doi. pdf.

2004

  • M. L. Montero, A. Sáenz, V. M. Castaño, "Chemically-induced nucleation of hydroxyapatite at low temperature". Journal of Materials Science, Vol. 39, No. 1, pp. 339-341 (2004). link. pdf.
  • A. Ramírez-Porras, W. E. Vargas-Castro, “Transmission of Visible Light Through Oxidized Cu Films: Feasibility of Using a Spectral Projected Gradient Method”. Applied Optics, Vol. 43, No. 6, pp. 1508-1514 (2004). doi.

2003

  • H. Arce, O. Rojas, F. Mondragón, A. Sáenz, M. L. Montero, "Tetraethylortosilicate and Titanium Tetraisopropoxide as Complexing Agents for Chromium (III) and Copper (II)". Revista de la Sociedad Química de México, Vol. 47, No. 1, pp. 73-76 (2003). pdf.
  • A. Ramírez-Porras, L. F. Fonseca, O. Resto, “Estimation of Silicon Nanocrystalline Sizes from Photoluminescence Measurements of RF Co-Sputtered Si/SiO2 Films”. Materials Research Society Symposium Proceedings, Vol. 737 (2003).
  • W. E. Vargas, D. E. Azofeifa, N. Clark, “Retrieved optical properties of thin films on absorbing substrates from transmittance measurements by application of the spectral projected gradient method”. Thin Solid Films, Vol. 425, pp. 1-8 (2003). doi.

 

2002

  • F. Curiel, W. E. Vargas, R. G. Barrera, “Visible spectral dependence of the scattering and absorption coefficients of pigmented coatings from inversion of diffuse reflectance spectra”. Applied Optics, Vol. 41, pp. 5969-5978 (2002). doi. pdf.
  • D. W. Koon, D. E. Azofeifa, N. Clark, “The composite Hall effect of nonmagnetic and magnetic bilayers”. Thin Solid Films, Vol. 405, pp 98-103 (2002). doi.
  • D. W. Koon, D. E. Azofeifa, N. Clark, “The Hall Effect in Hydrided Rare Earth Films: Removing Bilayer Effects”. Surface Review and Letters, Vol. 9, p. 1721 (2002). doi.

 

  • A. Ramírez Porras, “Determination of Nanometer-Scale Sizes in n+-type Porous Silicon by the use of X-Ray and Raman Spectroscopies”. Surface Review and Letters, Vol. 9, Nos. 5-6, p. 1769-1772 (2002). doi.
  • A. Ramírez Porras, A. Many, Y. Goldstein, S. Z. Weisz, “Space-Charge Layers and Surface States in p-type Crystalline Silicon”. Surface Review and Letters, Vol. 9, Nos. 5-6, p. 1773-1777 (2002). doi.
  • A. Ramírez Porras, S. Z. Weisz, “Stochastic Approach to the Smart Quantum Confinement Model in Porous Silicon”. Surface Science, Vol. 515, Nos. 2-3, pp. 18-22 (2002). doi.
  • A. Sáenz, M. L. Montero, V. M. Castaño, "Hydroxyapatite Coatings on Metals of Orthopedic Interest". Surface Review and Letters, Vol. 9, p. 1795 (2002). doi.
  • A. Sáenz, M. L. Montero, V. M. Castaño, "Preparation of Silica-Hydroxyapatite Nanometric Composites". Physica Status Solidi B, Vol. 230, No. 2, pp. 347-350 (2002). doi. pdf.
  • A. Sáenz, M. L. Montero, V. M. Castaño,"Silica–Hydroxyapatite Nanometric Composites Grown at Boiling Water Temperature". Surface Review and Letters, Vol. 9, p. 1799 (2002). doi.
  • W. E. Vargas, “Inversion methods from Kubelka-Munk analysis”. Journal of Optics A: Pure and Applied Optics, Vol. 4, pp. 452-456 (2002). doi. pdf.
  • W. E. Vargas, G. A. Niklasson, "Light scattering from particles". Encyclopedia of Surface and Colloid Science (Dekker, New York, 2002) pp. 3044-3056.

2001

  • A. Sáenz, D. Chaverri, R. Hernández, V. M. Castaño, "Influence of substrate temperature on phase formation in Al-Cr thin films". Materials Research Innovations, Vol. 4, No. 4, pp. 216-221 (2001). doi.
  • W. E. Vargas, “Interacción de Radiación Electromagnética con Corpúsculos Esféricos, Esferoidales, y Conglomerados de Esferas”. En: Memorias del Primer Encuentro de Matemática Aplicada a la Ingeniería, la Computación y las Ciencias (I EMAIC), San José, Costa Rica, 7-9 de Febrero 2001 (Instituto Tecnológico de Costa Rica, San José, 2001),  pp. 103-112.
  • W. E. Vargas, G. A. Niklasson, “Optical properties of nano-structured dye-sensitized solar cells”. Solar Energy Materials & Solar Cells, Vol. 69, pp.147-163 (2001). doi.
  • W. E. Vargas, G. A. Niklasson, “Reflectance of pigmented polymer coatings: comparisons between measurements and radiative transfer calculations”, Applied Optics, Vol. 40, pp. 85-94 (2001). doi.

2000

  • D. E. Azofeifa, N.Clark, “Optical and electrical changes of hydrogenated Dy films”. Journal of Alloys and Compounds, Vol. 305, pp. 32-34 (2000). doi.
  • W. E. Vargas, “Dispersión de luz por corpúsculos de materia”. Transferencia de Tecnología, No.44, Septiembre-Octubre 2000, pp. 6-7 (ISSN 1409-3340).
  • W. E. Vargas, “Optimization of the diffuse reflectance of pigmented coatings taking into account multiple scattering”.  Journal of Applied Physics, Vol. 88, pp. 4079-4084 (2000). doi.
  • W. E. Vargas, P. Greenwood, J. E. Otterstedt, G. A. Niklasson, “Light scattering in pigmented coatings: experiments and theory”. Solar Energy, Vol 68, pp. 553-561 (2000). doi.
  • W. E. Vargas, G. A. Niklasson, “Feasibility of TiO2 pigmented polymer films as light diffusing materials in daylighting applications”. Proc. Eurosun 2000 Conference [June 19-22, 2000, Copenhagen, Denmark], Daylighting Applications Section.
  • W. E. Vargas, G. A. Niklasson, “Light scattering and absorption in nano-structured solar cells”. Proc. Eurosun 2000 Conference [June 19-22, 2000, Copenhagen, Denmark], Solar Energy Materials Section.

1999

  • D. E. Azofeifa, N.Clark, J. A.Araya-Pochet, “Optical properties of hydrogenated Palladium coated Gadolinium and Dysprosium films”. In: O. de Melo, I. Hernández-Calderón (Eds.), Surface Science and its Applications, Proceedings of the 9th Latin American Congress on Surface Sciences and Applications (World Scientific Publisher, Singapore, 1999), p. 211. link.
  • A. Ramírez Porras, E. Avendaño Soto, J. Araya Pochet, “Design and Characterization of a High Vacuum Metals Deposition System based on Electron Beam Evaporation”.In: O. de Melo, I. Hernández-Calderón (Eds.), Surface Science and its Applications, Proceedings of the 9th Latin American Congress on Surface Sciences and Applications (World Scientific Publisher, Singapore, 1999), pp. 420-422.  link.
  • W. E. Vargas, “Diffuse radiation intensity propagating through a particulate slab”. Journal of the Optical Society of America A, Vol. 16, No. 6, pp. 1262-1272 (1999). doi.
  • W. E. Vargas “Two-flux radiative transfer model under non isotropic propagating diffuse radiation”. Applied Optics, Vol. 38, pp. 1077-1085 (1999). link.

1998

  • D. E. Azofeifa, N. Clark, A .Amador,  “Hydrogen Absorption in Pd/Al multilayers”. Revista Mexicana de Física, Vol. 44, No. 3, pp. 273-275 (1998). pdf.
  • T. Tesfamichael, W. E. Vargas, E. Wäckelgård, G. A. Niklasson “A feasibility study of integrally colored Al-Si as solar selective absorber”. Solar Energy Materials & Solar Cells, Vol. 55, pp. 251-265 (1998). doi.
  • W. E. Vargas, “Generalized four-flux radiative transfer model”. Applied Optics, Vol. 37, No. 13, pp. 2615-2623 (1998). doi.

1997

  • D. E. Azofeifa, N. Clark, “The effect of hydrogen uptake on the Hall resistivity and the electrical resistivity of gadolinium films”. Journal of Alloys and Compounds, Vols. 253-254, pp. 333-335 (1997). doi.
  • D. E. Azofeifa, N. Clark, A. Amador, A. Saenz, “Determination of hydrogen absorption in Pd coated Al thin films”. Thin Solid Films, Vol. 300, pp. 295-298 (1997). doi.

1996

  • J. Araya-Pochet, G. A. Mulhollan, J. L. Erskine, “Hydrogen induced coercivity changes in monolayer films of Fe/W(110)”. AIP Conference Proceedings, The 8th Latin American Congress on Surface Science: Surfaces, Vacuum and their Applications, Vol. 378, pp. 520-523 (1996). doi.
  • D. E. Azofeifa, N. Clark, A. Amador, “Hydrogen Absortion by Pd Coated Al Thin  Films”. In:I.Hernández-Calderón, R. Asomoza (Eds.), Surface, Vaccum and their Applications, AIP Conference Proceedings, Vol. 378 (AIP Press, New York, 1996), p.623.

1994

  • N. Clark, “La Física de la Materia Condensada en la Universidad de Costa Rica”. Revista Ciencia y Tecnología, Vol. 18, Nos.1-2, pp. 23-34 (1994).
  • A. Sáenz, N. Clark, H. Niculescu, P. J. Gielisse y W. G. Moulton, “Miniaturización y caracterización de un  magnetómetro  de  disparo por flujo con núcleo superconductor de alta Tc”. Revista Mexicana de Física, Vol. 40,  No. 2, pp.295-300 (1994). pdf.

1993

  • J. A. Araya-Pochet, J. Chen, M. Drakaki, J. L. Erskine, “Magneto-optical studies of ultrathin epitaxial films”. Journal of Physics: Condensed Matter, Vol. 5, pp. A191-A192 (1993). doi. pdf.
  • D. E. Azofeifa, N. Clark. “Hydrogen absorption in Pd coated Nb and V films”. Zeitschirft fur Physikalische Chemie, Vol. 181, pp. 387-391 (1993). doi.
  • L. F. Fonseca, L. Cruz, W. E. Vargas, M. Gómez,  “Theoretical calculation of the optical absorption of fractal colloidal aggregates using a multiple scattering formalism”. In: L. Blum, F. B. Malik (Eds.), Condensed Matter Theories, Vol. 8, pp.561-571 (Plenum Press, New York, 1993). link.
  • A. Sáenz, N. Clark, W. Moulton y H. Mathias, “Estudio estructural por rayos X y de temperatura de  transición  a superconductividad de la aleación Pb-Bi”. Revista Ciencia y Tecnología, Vol. 17,  No. 1, pp.17-23 (1993).
  • W. E. Vargas, “A numerical scheme to solve the Korteweg-de Vries equation”. Computer Physics Communications, Vol. 74, No. 1, pp. 58-62 (1993). doi.
  • W. E. Vargas, L. Cruz, L. F. Fonseca, M. Gómez, “T-matrix approach for calculating local fields around clusters of rotated spheroids”. Applied Optics, Vol. 32, No. 12, pp. 2164-2170 (1993). doi.

1992

  • W. E. Vargas, L. F. Fonseca, M. Gómez, “A model to consider clustering effects for composites”. In: F. A. Ponce, M. Cardona (Eds.), Surface Science: Lectures on Basic Concepts and Applications, Springer Proceedings in Physics, Vol. 62, pp.231-234 (Springer, Berlin, 1992). link.

1990

  • D. E. Azofeifa y N. Clark.  "Electrical Resistance in Hydrogenated Nb Thin Films". In: M. Cardona (Ed.), Surface Science, Springer Proceedings in Physics, Vol. 62, p.307 (1990). link.
  • N. Clark, D. E. Azofeifa, "Interdiffussion of Cu-In Films Studied by Resistometric Method". In: M. Cardona (Ed.), Surface Science, Springer Proceedings in Physics, Vol. 62, p. 311 (1990). link.
  • N. Clark, A. Sáenz, “The concentration dependence of the electrical resistivity, the Hall coefficient and the superconducting transition temperature of Pb-In films”. Revista Mexicana de Física, Vol. 36, No. 4, pp. 591-595 (1990). pdf.
  • M. Gómez, L. F. Fonseca, L. Cruz, W. E. Vargas, “Calculation of local fields for clusters of ellipsoids within the T-Matrix approach”. In: G. D. Cody, T. H. Geballe, P. Sheng (Eds.), Physical Phenomena in Granular Materials, Materials Research Society Symposium Proceedings, Vol. 195, pp.109-114 (MRS, Pittsburg, 1990). doi.

2014

  • E Libby, D E Azofeifa, M Hernández-Jiménez, C Barboza-Aguilar, A Solís, I García-Aguilar, L Arce-Marenco, A Hernández, W E Vargas, “Light reflection by the cuticle of C. aurigans scarabs: a biological broadband reflector ofleft handed circularly polarized light”. Journal of Optics, Vol. 16, No. 08, 082001 (2014). doipdf.