C. Breite; A. Melnikov; A. Turon; A.B. de Morais; C. Le Bourlot; E. Maire; E. Schöberl; F. Otero; F. Mesquita; I. Sinclair; J. Costa; J.A. Mayugo; J.M. Guerrero; L. Gorbatikh; L.N. McCartney; M. Hajikazemi; M. Mehdikhani; M.N "A synchrotron computed tomography dataset for validation of longitudinal tensile failure models based on fibre break and cluster development." Data in Brief 39 (2021): -.
G.Guillamet, J.Costa, A.Turon, J.A.Mayugo "In search of the quasi-isotropic laminate with optimal delamination resistance under off-axis loads." Journal of Reinforced Plastics and Composites (2023): -. José M Guerrero; Aravind Sasikumar; Jordi Llobet; Josep Costa "Experimental and virtual testing of a composite-aluminium aircraft wingbox under thermal loading." Aerospace Science and Technology 138 (2023): -. J. Pernas-Sánchez; S.M. García-Rodríguez; Artero-Guerrero; J. López-Puente; J. Costa "High velocity impact response of carbon/epoxy composite laminates at cryogenic temperatures." Composites. Part A, Applied science and manufacturing 168 (2023): 107456-. Mostafa Barzegar; Josep Costa; Daniel Trias; Jose Manuel Guerrero; Claudio Lopes; Carlos Gonzalez "Analysis of Stress Intensity Factor of a Fibre Embedded in a Matrix." Journal of Composites Science 7 (2023): 1-14. JA González; J. Farjas; N. Blanco; J. Costa; M. Gascons "Assessment of unexplored isoconversional methods to predict epoxy-based composite curing under arbitrary thermal histories." Journal of Reinforced Plastics and Composites (2022): -. I Tarhouni; D Frómeta; D Casellas; J Costa; P Maimi "Assessing the effect of the experimental parameters in the evaluation of the essential work of fracture in high-strength thin sheets." Engineering Fracture Mechanics 270 (2022): 108560-. Jorge I. Fajardo; Josep Costa; Luis J. Cruz; César A. Paltán; Jonnathan D. Santos "Micromechanical Model for Predicting the Tensile Properties of Guadua angustifolia Fibers Polypropylene-Based Composites." Polymers 14 (2022): 2627-2643. José Manuel Guerrero; Aravind Sasikumar; Jordi Llobet; Josep Costa "Testing and simulation of a composite-aluminium wingbox subcomponent subjected to thermal loading." Composite Structures 296 (2022): -. Pere Maimí; A Ortega; EV González; J Costa "Should the translaminar fracture toughness of laminated composites be represented by the R or the J curve? A comparison of their consistency and predictive capability." Composites. Part A, Applied science and manufacturing 156 (2022): -. Cristian Builes Cárdenas; Vincent Gayraud; Maria Eugenia Rodriguez; Josep Costa; Asier Martínez Salaberria; Alaitz Ruiz de Luzuriaga; Nerea Markaide; Priya Dasan Keeryadath; Diego Calderón Zapatería "Study into the Mechanical Properties of a New Aeronautic-Grade Epoxy-Based Carbon-Fiber-Reinforced Vitrimer." Polymers 14 (2022): 1223-. J. M. Guerrero; A. Sasikumar; J. Llobet; J. Costa "Simulación y ensayo experimental de un cajón de ala con uniones atornilladas híbridas compuesto-aluminio sujeto a cargas térmicas." Materiales compuestos: revista de la Asociación Española de Materiales Compuestos 6 (2022): 63-74. José M. Guerrero; Aravind Sasikumar; Jordi Llobet; Josep Costa "A computationally efficient methodology to simulate hybrid bolted joints including thermal effects." Mechanics of Advanced Materials and Structures 30 (2022): 48-66. Breite, C; Melnikov, Arsen; Turon, Albert; de Morais, Alfredo B.; Le Bourlot, Christophe; Maire, Eric; Schöberl, Erich; Otero, Fermin; Mesquita, Francisco; Sinclair, Ian; Costa, Josep; Mayugo, Joan A.; Guerrero, José M.; Gorb "Detailed experimental validation and benchmarking of six models for longitudinal tensile failure of unidirectional composites." Composite Structures 279 (2021): -. A. Sasikumar; J. M. Guerrero; A. Quintanas-Corominas, J. Costa "Numerical study to understand thermo-mechanical effects on a composite- aluminium hybrid bolted joint." Composite Structures 275 (2021): -. C. Breite; A. Melnikov; A. Turon; A.B. de Morais; F. Otero; F. Mesquita; J. Costa; J. A. Mayugo; J.M. Guerrero; L. Gorbatikh; L. N. McCartney; M. Hajikazemi; P. P. Camanho; R. P. Tavares; S. V. Lomov; S. Pimenta; W. Van Paepe "Blind benchmarking of seven longitudinal tensile failure models for two virtual unidirectional composites." Composites Science and Technology 202 (2020): -. S.M.García-Rodríguez; J.Costa; P.Maimí; V.Singery; I.R.Cózar; A.Quintanas-Corominas; A.Sasikumara "Experimental demonstration of the in-situ effect under transverse shear." Composites. Part A, Applied science and manufacturing 138 (2020): 106047-. M.Barzegar, J.Costa, C.Lopes "High-fidelity computational micromechanics of first-fibre failure in unidirectional composites: Deformation mechanisms and stress concentration factors." International Journal of Solids and Structures 204-205 (2020): 18-33. Jose M. Guerrero; Joan A. Mayugo; Josep Costa; Albert Turon "Size effects in hybrid unidirectional polymer composites under longitudinal tension: A micromechanical investigation." Composites. Part A, Applied science and manufacturing 140 (2020): -. J. Renart; J. Costa; G. Santacruz; S. Lazcano; E.V. González "Measuring fracture energy of interfaces under mode I loading with the wedge driven test." Engineering Fracture Mechanics 239 (2020): -. A.Sasikumar; J.Costa; D.Trias; J.Llobet; I.R.Cózar; A.Turon; P.Linde "A virtual testing based search for optimum compression after impact strength in thin laminates using ply-thickness hybridization and unsymmetrical designs." Composites Science and Technology 196 (2020): -. A. Sasikumar; S.M. Garciá-Rodríguez; J.J. Arbeláez; D. Trias; J. Costa "On how unsymmetrical laminate designs with tailored ply clusters affect compression after impact strength compared to symmetric baseline." Composite Structures 238 (2020): -. Jose M.Guerrero; Joan A. Mayugo; Josep Costa; Albert Turon "Failure of hybrid composites under longitudinal tension: influence of dynamic effects and thermal residual stresses." Composite Structures 233 (2020): -. A. Sasikumar; D. Trias; J. Costa; N. Blanco; J. Orr; P. Linde "Impact and compression after impact response in thin laminates of spread-tow woven and non-crimp fabrics." Composite Structures 215 (2019): 432-445. A. Sasikumar, D. Trias, J. Costa, V. Singery, P. Linde "Mitigating the weak impact response of thin-ply based thin laminates through an unsymmetrical laminate design incorporating intermediate grade plies." Composite Structures 220 (2019): 93-104. A. Sasikumar, D. Trias, J. Costa, N. Blanco, J. Orr, P. Linde "Effect of ply thickness and ply level hybridization on the compression after impact strength of thin laminates." Composites. Part A, Applied science and manufacturing 121 (2019): 232-243. A. Sasikumar; J. Costa; D. Trias; E.V. González; S.M. García-Rodríguez; P. Maimí "Unsymmetrical stacking sequences as a novel approach to tailor damage resistance under out-of-plane impact loading." Composites Science and Technology 173 (2019): 125-135. L. Carreras; J. Renart; A. Turon; J. Costa; B. L. V. Bak; E. Lindgaard; F. Martin de la Escalera; Y. Essa "A benchmark test for validating 3D simulation methods for delamination growth under quasi-static and fatigue loading." Composite Structures 210 (2019): 932-941. A.Wagih; P.Maimí; N.Blanco; S.M.García-Rodríguez; G.Guillamet; R.P.Issac; A.Turon; J.Costa "Improving damage resistance and load capacity of thin-ply laminates using ply clustering and small mismatch angles." Composites. Part A, Applied science and manufacturing 117 (2019): 76-91. Jose M. Guerrero; Rodrigo P. Tavares; Fermin Otero; Joan A. Mayugo; Josep Costa; Albert Turon; Pedro P. Camanho "An analytical model to predict stress fields around broken fibres and their effect on the longitudinal failure of hybrid composites." Composite Structures 211 (2018): 564-576. J. Renart; S. Budhe; L. Carreras; J.A. Mayugo; J. Costa "A new testing device to simultaneously measure the mode I fatigue delamination behavior of a batch of specimens." International Journal of Fatigue 116 (2018): 275-283. Magdalena Pérez-Galmés, Jordi Renart, Carlos Sarrado, Josep Costa "Suitable specimen dimensions for the determination of mode II fracture toughness of bonded joints by means of the ELS test." Engineering Fracture Mechanics (2018): -. S.M. García-Rodríguez; J. Costa; A. Bardera; V. Singery; D. Trias "A 3D tomographic investigation to elucidate the low-velocity impact resistance, tolerance and damage sequence of thin non-crimp fabric laminates: effect of ply-thickness." Composites. Part A, Applied science and manufacturing 113 (2018): 53-65. Rodrigo P. Tavares; Jose M. Guerrero; Fermin Otero; Albert Turon; Joan A. Mayugo; Josep Costa; Pedro P. Camanho "Effects of local stress fields around broken fibres on the longitudinal failure of composite materials." International Journal of Solids and Structures 156-157 (2018): 294-305. S.M. García-Rodríguez; J. Costa; V. Singery; I. Boada; J.A. Mayugo "The effect interleaving has on thin-ply non-crimp fabric laminate impact response: X-ray tomography investigation." Composites. Part A, Applied science and manufacturing 107 (2018): 409-420. Jose Manuel Guerrero; Joan Andreu Mayugo; Josep Costa; Albert Turon "A 3D Progressive Failure Model for predicting pseudo-ductility in hybrid unidirectional composite materials under fibre tensile loading." Composites. Part A, Applied science and manufacturing 107 (2018): 579-591. J.D.Vanegas-Jaramillo, A.Turon, J.Costa, L.J.Cruz, J.A.Mayugo "Analytical model for predicting the tensile strength of unidirectional composites based on the density of fiber breaks." Composites. Part B, Engineering 141 (2017): 84-91. Santiago M. García-Rodríguez; Anton Bardera; Aravind Sasikumar; Marc Ruiz; Vicky Singery; Imma Boada; Daniel Trias; Josep Costa "Effect of ply-thickness on the impact response of interleaved thin-ply non-crimp-fabric laminates: X-ray tomography investigation." Materiales compuestos: revista de la Asociación Española de Materiales Compuestos 1 (2017): 57-64. M. Pérez-Galmés; J. Renart; C. Sarrado; J. Costa; A. Rodríguez-Bellido "Configuración del ensayo ELS para la determinación de la tenacidad a la fractura en modo II en uniones adhesivas.." Materiales compuestos: revista de la Asociación Española de Materiales Compuestos 1 (2017): 124-129. Yi Liv, G. Guillamet, J. Costa, E.V. González, L. Marín, J.A. Mayugo "Experimental study into compression after impact strength of laminates with conventional and nonconventional ply orientations." Composites. Part B, Engineering 126 (2017): 133-142. Carreras, L.; Renart, J.; Turon, A.; Costa, J.; Essa, Y.; Martin de la Escalera, F. "An efficient methodology for the experimental characterization of mode II delamination growth under fatigue loading." International Journal of Fatigue 95 (2017): 185-193. Guillamet, G.; Turon, A.; Costa, J.; Linde, P. "A quick procedure to predict free-edge delamination in thin-ply laminates under tension." Engineering Fracture Mechanics 168 (2016): 28-39. Pérez-Galmés, M.; Renart, J.; Sarrado, C.; Rodríguez-Bellido, A.; Costa, J. "A data reduction method based on the J-integral to obtain the interlaminar fracture toughness in a mode II end-loaded split (ELS) test." Composites. Part A, Applied science and manufacturing 90 (2016): 670-677. Sarrado, C.; Turon, A.; Costa, J.; Renart, J. "An experimental analysis of the fracture behavior of composite bonded joints in terms of cohesive laws." Composites. Part A, Applied science and manufacturing 90 (2016): 234-242. Sarrado, C.; Turon, A.; Costa, J.; Renart, J. "On the validity of linear elastic fracture mechanics methods to measure the fracture toughness of adhesive joints." International Journal of Solids and Structures 81 (2016): 110-116. Wagih, A.; Maimí, P.; Blanco, N.; Costa, J. "A quasi-static indentation test to elucidate the sequence of damage events in low velocity impacts on composite laminates." Composites. Part A, Applied science and manufacturing 82 (2016): 180-189. Renart, J.; Vicens, J.; Budhe, S.; Rodríguez-Bellido, A.; Comas, J.; Mayugo, J.A.; Costa, J. "An automated methodology for mode II delamination tests under fatigue loading based on the real time monitoring of the specimen's compliance." International Journal of Fatigue 82 (2016): 634-642. Sarrado Molina, Carlos; Turon Travesa, Albert; Renart Canalias, Jordi; Costa i Balanzat, Josep "An experimental data reduction method for the Mixed Mode Bending test based on the J-integral approach." Composites Science and Technology 117 (2015): 85-91. L. Zubillaga; A. Turon; J. Renart; J. Costa; P. Linde "An experimental study on matrix crack induced delamination in composite laminates." Composite Structures 127 (2015): 10-17. T.A. Sebaey; J. Costa; P. Maimí; Y. Batista; N. Blanco; J.A. Mayugo "Measurement of the in situ transverse tensile strength of composite plies by means of the real time monitoring of microcracking." Composites. Part B, Engineering 65 (2014): 40-46. Brian L. V. Bak, Carlos Sarrado, Albert Turon and Josep Costa "Delamination Under Fatigue Loads in Composite Laminates: A Review on the Observed Phenomenology and Computational Methods." Applied Mechanics Reviews 66 (2014): 060803-. G. Guillamet; A. Turon; J. Costa; J. Renart; P. Linde; J.A. Mayugo "Damage occurrence at edges of Non-crimp-fabric thin-ply laminates under off-axis uniaxial loading." Composites Science and Technology 98 (2014): 44-50. Falco, O.; Mayugo, J.A.; Lopes, C.S.; Gascons, N.; Costa, J. "Variable-stiffness composite panels: Defect tolerance under in-plane tensile loading." Composites. Part A, Applied science and manufacturing 63 (2014): 21-31. S. Budhe, A. Rodríguez-Bellido, J. Renart, J.A. Mayugo, J. Costa "Influence of pre-bond moisture in the adherents on the fracture toughness of bonded joints for composite repairs." International Journal of Adhesion and Adhesives 49 (2014): 80-89. L. Zubillaga; A. Turon; P. Maimí; J. Costa; S. Mahdi; P. Linde "An enenrgy based failure criterion for matrix crack induced delamination in laminated composite structures.." Composite Structures 112 (2014): 339-344. Falco, O.; Mayugo, J.A.; Lopes, C.S.; Gascons, N.; Turon, A.; Costa, J. "Variable-stiffness composite panels: As-manufactured modeling and its influence on the failure behavior." Composites. Part B, Engineering 56 (2014): 660-669. Sebaey, T.A.; Lopes, C.S.; Blanco, N.; Mayugo, J.A. ; Costa, J. "Two-pheromone ant colony optimization to design dispersed laminates for aeronautical structural applications." Advances in Engineering Software 66 (2013): 10-18. Sans, D.; Renart, J.; Costa, J.; Gascons, N.; Mayugo, J.A. "Assessment of the influence of the crack monitoring method in interlaminar fatigue tests using fiber Bragg grating sensors." Composites Science and Technology 84 (2013): 44-50. T.A. Sebaey; E.V. González; C.S. Lopes; N. Blanco; P.Maimí; J. Costa "Damage resistance and damage tolerance of dispersed CFRP laminates: Effect of the mismatch angle between plies." Composite Structures 101 (2013): 255-264. T.A. Sebaey; E.V. González; C.S. Lopes; N. Blanco; J. Costa "Damage resistance and tolerance of dispersed CFRP laminates: Effect of ply clustering." Composite Structures 106 (2013): 96-103. T.A. Sebaey; E.V. González; C.S. Lopes; N. Blanco; J. Costa "Damage resistance and damage tolerance of dispersed CFRP laminates: The bending stiffness effect." Composite Structures 106 (2013): 30-32. T.A. Sebaey; E.V. González; C.S. Lopes; N. Blanco; J. Costa "Damage resistance and damage tolerance of dispersed CFRP laminates: Design and optimization." Composite Structures 95 (2013): 569-576. T.A. Sebaey; N. Blanco; J. Costa; C.S. Lopes "Characterization of crack propagation in mode I delamination of multidirectional CFRP laminates." Composites Science and Technology 72 (2012): 1251-1256. Camanho, P.P; Arteiro, A.; Turon, A.; Costa, J.; Guillamet, G.; González, E.V. "Structural integrity of thin-ply laminates." JEC Composites Magazine 49 (2012): 91-92. Sebaey, T.A.; Blanco, N.; Lopes, C.S.; Costa, J. "Numerical investigation to prevent crack jumping in Double Cantilever Beam tests of multidirectional composite laminates." Composites Science and Technology 71 (2011): 1587-1592. Sebaey, T.A.; Lopes, C.S.; Blanco, N.; Costa, J. "Ant Colony Optimization for dispersed laminated composite panels under biaxial loading." Composite Structures 94 (2011): 31-36. Renart, J.; Blanco, N.; Pajares, E.; Costa, J.; Lazcano, S. "Side Clamped Beam (SCB) hinge system for delamination tests in beam-type composite specimens." Composites Science and Technology 71 (2011): 1023-1029. Turon, A.; Camanho, P.P.; Costa, J.; Renart, J. "Accurate simulation of delamination growth under mixed-mode loading using cohesive elements: Definition of interlaminar strengths and elastic stiffness." Composite Structures 92 (2010): 1857-1864. Blanco, N.; Gamstedt, E.K.; Costa, J. "Mechanical hinge system for delamination tests in beam-type composite specimens." Composites Science and Technology 68 (2008): 1837-1842 . Turon, A.; Dávila, C.G.; Camanho, P.P.; Costa, J. "An engineering solution for mesh size effects in the simulation of delamination using cohesive zone models." Engineering Fracture Mechanics 74 (2007): 1665-1682. Trias, D.; Garcia, R.; Costa, J.; Blanco, N.; Hurtado, J.E. "Quality control of CFRP by means of digital image processing and statistical point pattern analysis." Composites Science and Technology 67 (2007): 2438-2446. Blanco, N.; Turon, A.; Costa, J. "An exact solution for the determination of the mode mixture in the mixed-mode bending delamination test.." Composites Science and Technology 66 (2006): 1256-1258. Trias, D.; Costa, J.; Mayugo, J.A. ; Hurtado, J.E. "Random models versus periodic models for fibre reinforced composites." Computational Materials Science 38 (2006): 316-324. Trias, D.; Costa, J.; Turon, A.; Hurtado, J.E. "Determination of the critical size of a statistical representative volume element (SRVE) for carbon reinforced polymers." Acta Materialia 54 (2006): 3471-3484. Turon, A.; Camanho, P.P.; Costa, J.; Dávila, C.G. "A damage model for the simulation of delamination in advanced composites under variable-mode loading." Mechanics of Materials 38 (2006): 1072-1089. Turon, A.; Costa, J.; Camanho, P.P.; Dávila, C.G. "Simulation of delamination in composites under high-cycle fatigue loading." Composites. Part A, Applied science and manufacturing 38 (2006): 2270-2282. Blanco, N.; Gamstedt, E.K.; Costa, J.; Trias, D. "Analysis of the Mixed-Mode End Load Split delamination test." Composite Structures 76 (2006): 14-20. Trias, D.; Costa, J.; Fiedler, B.; Hobbiebrunken, Th.; Hurtado, J.E. "A two-scale method for matrix cracking probability in fibre-reinforced composites based on a statistical representative volume element." Composites Science and Technology 66 (2006): 1766-1777. Turon, A.; Costa, J.; Camanho, P.P.; Davila, C.G. "Simulation of delamination propagation in composites under high-cycle fatigue by means of cohesive-zone models." NASA/TM 214532 (2006): 1-28. Turon, A.; Costa, J.; Maimí, P.; Trias, D.; Mayugo, J.A. "A progressive damage model for unidirectional fibre-reinforced composites based on fibre fragmentation. Part I: Formulation." Composites Science and Technology 65 (2005): 2039-2048. Costa, J.; Turon, A.; Trias, D.; Blanco, N.; Mayugo, J.A. "A progressive damage model for unidirectional fibre-reinforced composites based on fibre fragmentation. Part II: Stiffness reduction in environment sensitive fibres under fatigue." Composites Science and Technology 65 (2005): 2269-2275. Turon, A.; Davila, C.G.; Camanho, P.P.; Costa, J. "An engineering solution for using coarse meshes in the simulation of delamination with cohesive zone models." NASA/TM 213547 (2005): 1-21. Turon, A.; Camanho, P.P.; Costa, J.; Davila, C.G. "An interface damage model for the simulation of delamination under variable-mode ratio in composite materials." NASA/TM (2004): 1-32. Blanco, N.; Gamstedt, E.K.; Asp, L.E.; Costa, J. "Mixed-mode delamination growth in carbon-fibre composite laminates under cycling loading." International Journal of Solids and Structures 41 (2004): 4219-4235. Roura, P.; Costa, J. "Radiative thermal emission from nanoparticles: a reversed story from quantum to classical theory." European Journal of Physics 23 (2002): 191-203. Blanco, N.; Corbella, B.; Costa, J.; Renart, J.; Mayugo, J.A. "Comportamiento de laminados: modelo constitutivo de daño uniaxial para un haz de fibras de vidrio." Anales de Mecánica de la Fractura 19B (2002): 433-438. Roura, P.; Costa, J.; Farjas, J. "Is sintering enhanced under non-isothermal conditions?." Materials science and engineering. A, Structural materials 337 (2002): 248-253. Viera, G.; Costa, J.; Roura, P.; Bertran, E. "High nucleation rate in pure SiC nanometric powder by room temperature plasmas and post-thermal treatments combination." Diamond and Related Materials 8 (1999): 364-368. Roura, P.; Costa, J.; López-de-Miguel M.; Garrido, B.; Fort, J.; Morante, J.R.; Bertran, E. "Blackbody emission in nanostructured materials." Journal of Luminescence 80 (1999): 519-522. Viera, G.; Costa, J.; Compte, F.J.; García-Sanz, E.; Andújar, J.L.; Bertran, E.; "Accurate electrical measurements for in situ diagnosis of RF discharges in plasma CVD processes ." Vacuum 53 (1999): 1-5. Bertran, E.; Costa, J.; Viera, G.; Andújar, J.L.; Canillas, A.; Pascual, E. "Ultrafine particles produced by plasma enhanced chemical vapor deposition -from SiH4, CH4, NH3 and B2H6 gas mixtures- for nanostructured ceramics applications." Contributions to Science 1 (1999): 53-61. Viera, G; Sharma, S.N.; Andújar, J.L.; Zhang, R.Q.; Costa, J.; Bertran, E. "Nanometric powder of stoichiometric silicon carbide produced in square-wave modulated RF glow discharges ." Vacuum 52 (1999): 183-186. Viera, G.; García-Caurel, E.; Costa, J.; Andújar, J.L.; Bertran, E. "Nanoparticles of Si-C-N from low temperature RF plasmas: selective size, composition and structure ." Applied Surface Science 144-145 (1999): 702-707. Roca i Cabarrocas, P.; Hamma, S.; Sharma, S.N., Viera, G.; Bertran, E.; Costa, J. "Nanoparticle formation in low-pressure silane plasmas: bridging the gap between a-Si:H and μc-Si films ." Journal of non-Crystalline Solids 227-230 Part 2 (1998): 871-875. Bertran, E.; Sharma, S.N.; Viera, G.; Costa, J.; St'ahel, P.; Roca i Cabarrocas, P. "Effect of the nanoparticles on the structure and crystallization of amorphous silicon thin films produced by rf glow discharge." Journal of Materials Research 13 (1998): 2476-2479. Costa, J.; Roura, P.; Morante, J.R.; Bertran, E. "Blackbody emission under laser excitation of silicon nanopowder produced by plasma-enhanced chemical-vapour deposition." Journal of Applied Physics 83 (1998): 7879-7885. Costa, J.; Campmany, J.; Canillas, A.; Andújar, J.L.; Bertran E. "In situ fast ellipsometric analysis of repetitive surface phenomena." Review of Scientific Instruments 68 (1997): 3135-3139. Viera, G.; Sharma, SN.; Costa, J.; Zhang, RQ.; Andújar, JL.; Bertran, E. "Silicon carbide nanoparticles for advanced materials produced in radio frequency modulated glow discharges ." Vacuum 48 (1997): 665-668. Costa, J.; Suñol, J.J.; Saurina, J.; Roura, P.; Martínez, S.; Viera, G.; Bertran, E. "Calorimetric study of the thermal induced transformations of ultrafine silicon carbide powder produced by RF glow discharge." Key Engineering Materials 132 (1997): 145-148. Roura, P.; Costa, J.; Morante, J.R.; Bertran, E. "Gas collisions and pressure quenching of the photoluminescence of silicon-nanopowder grown by plasma-enhanced chemical vapor deposition." Journal of Applied Physics 81 (1997): 3290-3293. Viera, G.; Sharma S.N.; Costa, J.; Zhang, R.Q.; Andújar, J.L.; Bertran, E. "Effects of thermal and laser annealing on silicon carbide nanopowder produced in radio frequency glow discharge ." Diamond and Related Materials 6 (1997): 1559-1563. Bertran, E.; Costa, J.; Viera, G.; Zhang, R.Q. "Production of nanometric particles in RF glow discharges of silane and methane gas mixture." Journal Of Vacuum Science & Technology a 14 (1996): 567-571. Zhang, R.Q.; Costa, J.; Bertran, E.; "Role of structural saturation and geometry in the luminescence of silicon-based nanostructured materials." Physical Review B 53 (1996): 7847-7850. Costa, J.; Roura, P.; Canillas, A.; Pascual, E.; Morante, J.R.; Bertran, E. "On the structural origin of the photoluminescence in silicon powder produced in PECVD processes." Thin Solid Films 276 (1996): 96-99. Costa, J.; Bertran, E.; Andújar J.L. "Production of Boron Nitride Nanometric Powder by PECVD. Microstructural Characterization." Diamond and Related Materials 5 (1996): 544-547. Roura, P.; Costa, J.; Sulimov, N.A.; Morante, J.R.; Bertran, E. "Pressure influence on the decay of the phololuminescence in Si-nanopowder gromw by plasma enhanced chemical vapour deposition.." Applied Physics Letters 67 (1995): 2830-2832. Costa, J.; Roura, P.; Sulimov, N.; Sardin, G.; Morante, J.R.; Bertran, E. "Pressure dependence of PL in amorphous silicon nanopowder produced by PECVD.." Materials Science and Technology 11 (1995): 707-710. Roura, P.; Costa, J.; Sardin, G.; Morante, J.R.; Bertran, E. "Photoluminescence in silicon powder grown by plasma-enhanced chemical- vapor deposition: evidence of a multistep-multiphoton excitation process." Physical Review B 50 (1995): 18124-18133. Costa, J.; Roura, P.; Sardin, G.; Morante, J.R.; Bertran, E. "Unusual photoluminescence properties in amorphous silicon nanopowder produced by plasma enhanced chemical vapor deposition." Applied Physics Letters 64 (1994): 463-465. Costa, J.; Roura, P.; Sardin, G.; Morante, J.R.; Bertran, E. "Unusual photoluminescence properties in amorphous silicon nanopowder produced by plasma enhanced chemical vapor deposition." Applied Physics Letters 64 (1994): 463-465. Bertran, E.; Costa, J.; Sardin, G.; Campmany, J.; Andujar, J.L.; Canillas, A. "Effects of plasma processing on the microstructural properties of silicon powders." Plasma Sources Science & Technology 3 (1994): 348-354. Costa, J.; Sardin, G.; Campmany, J.; Bertran, E. "Preparation of nanoscale amorphous silicon based powder in a square-wave-modulated rf plasma reactor ." Vacuum 45 (1994): 1115-1117. Campmany, J.; Bertran, E.; Canillas, A.; Andujar, J.L.; Costa, J. "Error minimization method for spectroscopic and phase-modulated ellipsometric measurements on highly transparent thin films." Journal of the Optical Society of America A-Optics, Image, Science, and Vision 10 (1993): 713-718. Campmany, J.; Canillas, A.; Andujar, J.L.; Costa, J.; Bertran, E. "In situ real-time ellipsometric study of the growth of r.f. plasma deposited amorphous hydrogenated silicon oxynitride thin films ." Thin Solid Films 228 (1993): 137-140. Campmany, J.; Canillas, A.; Andujar, J.L.; Costa, J.; Bertran, E. "Study of thin films of transparent electronic materials by phase-modulated spectroellipsometry ." Thin Solid Films 233 (1993): 223-226. Campmany, J.; Andujar, J.L.; Canillas, A.; Costa, J.; Bertran, E. "Optical, vibrational and compositional study of amorphous silicon oxynitride thin films grown by an RF plasma using N2O + SiH4 gas mixtures." Applied Surface Science 70,71 (1993): 695-700.