head of
- Sensor Materials and Electronics for Space Applications Group Leader 1995 -
- Mayaguez Campus NSF-RCMS Coordinator 1992 - 1995
- Contact Info
Fernandez, Felix
Positions
- Professor, Department of Physics , College of Arts and Sciences
- Affiliation
- Publications
- Research
- Service
- Background
- Contact
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Affiliation
member of
- American Vacuum Society Member
- Materials Research Society Member
- Optical Society of America Member
- SPIE - The International Society for Optical Engineering Member
- National Science Foundation (NSF) Member of Proposal Review Panel 1992
Publications
selected publications
-
academic article
- Ultrafast light scattering imaging of multi-scale transition dynamics in vanadium dioxide. Journal of Applied Physics. 114:153514. 2013
- A micro-mechanical resonator with programmable frequency capability . Smart Materials and Structures . 21:035007 . 2012
- Phase transition behavior in microcantilevers coated with M1-phase VO2 and M2-phase VO2:Cr thin films. Journal of Applied Physics. 111:104502 . 2012
- A Multiple-State Micro-Mechanical Programmable Memory . Microelectronic Engineering . 88:3231. 2011
- Dynamics of photothermally-driven VO2-coated microcantilevers. Journal of Applied Physics. 110:094510 . 2011
- Frequency tuning of VO2-coated Buckled Microbridges . IEEE/ASME Journal of Microelectromechanical Systems . 20:558. 2011
- Size-Dependent Phase Transition of VO2 Nanostructures Induced by Light Excitation. Physics Procedia. 13:18-23. 2011
- Supersaturation-Driven Optical Tuning of Ag Nanocomposite Glasses for Photonics: An In Situ Optical Microspectroscopy Study . Plasmonics . 6:399. 2011
- Bending in VO2-coated microcantilevers suitable for thermally activated actuators. Journal of Applied Physics. 107:074506. 2010
- Critical Behavior and Size Effects in Light-Induced Transition of Nanostructured VO2 Films . Phys. Rev. B. . 82:205425-205438. 2010
- Opto-electronic and all-optical multiple memory states in vanadium dioxide . Journal of Applied Physics. 108:113115. 2010
- Resonant Frequency Behavior of Silicon Cantilevers Coated with Nanostructured and Microcrystalline VO2 Films . IEEE Transactions on Nanotechnology . 9:330. 2010
- Study of the resonant frequencies of silicon microcantilevers coated with vanadium dioxide films during the insulator-to-metal transition . Journal of Applied Physics. 107:053528. 2010
- The effect of growth conditions and N2/O2 ambient on LO-phonon replicas during epitaxial growth of ZnO on c-sapphire . Journal of Materials Science. 45:6009. 2010
- Optical nonlinearity and structural dynamics of VO2 films . Journal of Applied Physics. 105:043502-043508. 2009
- Young's modulus of pulsed-laser deposited V6O13 thin films . Journal of Applied Physics. 105:113504 . 2009
- Light-Induced Functional VO2 Film . Adv.Mater.Res . 47-50:532-535. 2008
- Young's modulus of VO2 thin films as a function of temperature including insulator-to-metal transition regime . Applied Physics Letters. 92:191913. 2008
- Behavioral Modeling Methods for Switched-Capacitor SD Modulators. IEEE Transactions on Circuits and Systems. 54:1236-1244. 2007
- Charge transfer model of metal-insulator phase transition and ultrafast optical response in VO2. Optical Materials. 29:1385-1389. 2007
- Insulator-to-Metal Phase Transition and Recovery Processes in VO2 thin films after femtosecond laser excitation. Phys. Rev. B. . 76 :035104-035109. 2007
- Photoinduced insulator-to-metal phase transition in VO2 crystalline films and model of dielectric susceptibility. Phys. Rev. B. . 75:075109-075121. 2007
- Azimuth Dependence of Light-Induced Ultrafast Insulator-to-Metal Phase Transition in VO2 Thin Film. ECS Transactions. 3:37-49. 2006
- Eu emission quenching in VO2. Journal of Luminescence. 119-120:388-394. 2006
- Insulator to Metal Phase Transformation of VO2 Films upon Femtosecond Laser Excitation. Journal of Electronic Materials . 35:1866-1872. 2006
- Laser Excitation and Excited State Dynamics in Vanadium Dioxide thin film. Journal of Luminescence. 119-120:404-411. 2006
- Light-induced Ultrafast Phase Transitions in VO2 Thin Film. Appl. Surf. Sci.. 252:5512-5515. 2006
- Orientation Dependent Phase Transition in VO2 Thin Film by Ultrafast Laser Excitation . Materials Science and Technology . 2:271-282. 2006
- The model of metal-insulator phase-transition in VO2 . Solid State Communication. 137:615-620. 2006
- Novel PLD-VO2 thin films for ultrafast applications . Journal of Electronic Materials . 34:491. 2005
- Optical and Nonlinear response of light sensor thin films . Sensor Letters . 5:185. 2005
- The model of metal-insulator phase transition in vanadium oxide. Physics Letters A. 343:446-453. 2005
- The model of ultrafast light-induced insulator-metal phase transition in vanadium oxide. Journal of Physics C. 21:44-49. 2005
- Excited state dynamics and semiconductor-to-metallic phase transition of VO2 thin . Journal of Luminescence. 108:233. 2004
- Host excitation-induced red emission from Pr3+ strontium barium niobate thin film . Journal of Luminescence. 108:37. 2004
- Semiconductor-to-metallic phase transition of VO2 by laser excitation . Journal of Electronic Materials . 33:1171. 2004
- Effects of compositional phase transitions on luminescence of Sr1-xCaxTiO3:Pr3+. Solid State Communication. 126 :153. 2003
- Energy transfer from the host to Eu3+ in ZnO . Optical Materials. 23:27. 2003
- Optical property of Eu in strontium barium niobate optical thin film grown by pulsed laser deposition . Thin Solid Films . 424:61. 2003
- Microwave Properties of Strontium Barium Niobate Thin Films Grown by Pulsed Laser Deposition. Proceedings of the Materials Research Society. 688:217. 2002
- Nonlinear Optical Dynamics and Eu3+ Spectral Holeburning in Strontium Barium Niobate Thin Film Grown by Pulsed Laser Deposition. Journal of Applied Physics. 91:129 . 2002
- Structure, morphology, and properties of strontium barium niobate thin films grown by pulsed laser deposition . Integrated Ferroelectrics. 42:219. 2002
- Photoluminescence of Ce3+,Tb3+ :Y2O3 nanoclusters embedded in SiO2 sol-gel glasses . Materials Science and Engineering C . 16 :55. 2001
- Effects of thermal annealing on spectroscopic properties of Eu3+ in SrxBa1-xNb2O6 films. Journal of Alloys and Compounds. 303-304:360. 2000
- Nitride Thin Films Grown by Pulsed Laser Deposition Assisted by Atomic Nitrogen Beam. Thin Solid Films . 377-378:781. 2000
- Pulsed Laser Deposition Growth of SBN and Correlation Study of Structure and Optical Properties. Proceedings of SPIE. 2000
- Advances in Pulsed Laser Deposition Growth of Nitride Films [Invited paper] 1999
- Characterization of strontium barium niobate optical thin film grown by pulsed laser deposition. AIP Conference Proceedings. 497. 1999
- Investigations on KTN Thin Films by XRD, XPS, and Micro-Raman Spectroscopy. Integrated Ferroelectrics. 1999
- Laser spectroscopic studies of crystallization in Eu3+ doped Sr(x)Ba(1-x)Nb2O6 films. Journal of Alloys and Compounds. 1999
- Optical Properties of Undoped and Eu3+ - doped SBN Thin Films Grown by PLD. Journal of Luminescence. 83/84:367. 1999
- SBN Thin Film Growth by Pulsed Laser Deposition and Characterization of Nonlinear Optical Properties. Integrated Ferroelectrics. 1999
- Optical Properties of ZnS:Mn2+ Nanoparticlesin polymer films. Journal of Luminescence. 76/77:252. 1998
- Structural characterization of pulsed deposited KTN thin films. Proceedings of the Materials Research Society. 541. 1998
- Structure and Properties of III-N Semiconductor Thin Films Grown by N-Radical-Assisted PLD [Conference Proceeding]. Nitride Semiconductor. 482:337. 1998
- Study of KTN Thin Films of Variable Composition Grown by Pulsed Laser Deposition [Conference Proceeding]. Ferroelectric Thin Films VI. 493:365. 1998
- Transient Grating in KNbO3 / KTaO3 Superlattice. Proceedings of SPIE. 3424:182. 1998
- Excitation Dynamics of Cerium in Niobate Crystals. Journal of Alloys and Compounds. 250:360. 1997
- Irradiation Induced Luminescence Enhancement Effect of ZnS:Mn2+ Nanoparticles in Polymer Films. Optics Letters. 22:913. 1997
- Tantalum Oxide and Niobium Oxide Thin Films Grown by Pulsed Laser Deposition. Proceedings of the Materials Research Society. 397:205. 1996
- Up-conversion of Multi-site Er in LiNbO3 Single Crystal Fibers. Journal of Luminescence. 66:190. 1996
- Up-converted Energy Transfer from Er3+ to Cr3+ in LiNbO3 Single Crystal Fibers. Journal of Luminescence. 66:228. 1996
- Enhancement of Thickness Distribution of Thin Films Grown by Pulsed Laser Deposition. Journal of Vacuum Science and Technology A. 13:421. 1995
- A Beamline for Layered Synthetic Microstructure Studies. Nuclear Instruments and Methods Phys. Res. A. 226:351. 1988
- Monolithic Fabry - Perot Structure for Soft X-rays . Proceedings of SPIE. 984:256. 1988
- Multilayer Optics for Soft X-rays [Conference Proceeding]. Proceedings of the Materials Research Society. 1988
- Multilayers for Soft X-Ray Optics [Invited paper]. IEEE Journal of Quantum Electronics. 24:1758. 1988
- Properties of Multilayers for Soft X-Ray Optics . Superlattices and Microstructures. 4:51. 1988
- Structure Determination of Metal Overlayers on Silicon Surfaces. Bull. Am. Phys. Soc.. 33:717. 1988
- Characterization of Multilayers for Extended Ultraviolet Optics. Applied Physics Letters. 51:880. 1987
- Metallic Multilayers for X-Ray Optics. The Metallurgical Society. 221. 1987
- Normal-Incidence X-UV Mirrors. Proceedings of SPIE. 733:343. 1987
- Multilayer Reflectors for the 200 A Region. Proceedings of SPIE. 688:104. 1986
- X-Ray Characterization of Sputter-Deposited Multilayer Materials. Bull. Am. Phys. Soc.. 31:317. 1986
- Sputter-Deposited Multilayer V-UV Mirrors. Proceedings of SPIE. 563:195. 1985
- Photonuclear Sum Rules from Continuum Calculations. Lettere al Nuovo Cimento. 26:388. 1976
- Continuum Calculations for Photonuclear Reactions . Bull. Am. Phys. Soc.. 18:1385. 1973
-
conference poster
- Time-Resolved Surface Dynamics of Phase Transition Materials Visualized by Light Diffraction. 53rd ACS Junior Technical Meeting (JTM) and 38th Puerto Rico Interdisciplinary Scientific Meeting (PRISM). 2019
-
patent
- Bimorph Cantilever Arrangement and Applications Thereof 2013
- Apparatus and Method for Pulsed Laser Deposition of Materials on Wires and Pipes 2003
- Lens for Depositing Target Material on a Substrate 1996
- Method and Apparatus for Removing Material from a Target by Use of a Ring-shaped Elliptical Laser Beam and Depositing the Material onto a Substrate 1995
- Method for Making Beam Splitters and Partially Transmitting Normal-Incidence Mirrors for Soft X-Rays 1992
presentations
-
invited talk
- Study of Eu3+-doped strontium barium niobate thin film grown by pulsed laser deposition , Collaborator, Fourth International Conference on Rare Earth Development and Applications, Beijing 2001
- Nitride Thin Films Grown by Pulsed Laser Deposition Assisted by Atomic Nitrogen Beam , Collaborator, International Conference on Metallic Coatings and Thin Films (AVS), San Diego, California 2000
- Multilayer Thin Films for X-ray Optics, Collaborator, Joint Meeting of the Electron Microscope Soc. and the Microbeam Anal.Soc. 1988
-
presentation
- Characterization of VO2-coated SiO2 micromechanical bridges heated by light radiation , Collaborator, ASME SMASIS 2011
- Drastic and Fast Changes in Stress/Strain of Photothermally Actuated VO2-coated Microcantilevers , Collaborator, ASME SMASIS 2011
- Multifunctional Micro-Mechanical Memory Devices , Collaborator, ASME SMASIS 2011
- Nanostructured VO2 film coatings for tunable MEMS resonators , Collaborator, IEEE Nanotechnology Materials and Devices Conference 2010
- Insulator to Metal Phase Transformation of VO2 Films upon Femtosecond Laser Excitation , Collaborator, TMS 2006 Annual Meeting, San Antonio, TX 2006
- Insulator-Metal Phase Transition in Charge Transfer Ferroelastic VO2 , Collaborator, 5th International Seminar on Ferroelastics Physics, Voronezh, Russia 2006
- Photoinduced Reflectivity Transients in Vanadium Dioxide , Collaborator, TMS 2006 Annual Meeting, San Antonio, TX 2006
- Eu-emission quenching by electron screening in VO2 thin films , Collaborator, 15th International Conference on Dynamical Processes in Exited States of Solids 2005
- Laser excitation and excited state dynamics in vanadium dioxide thin film , Collaborator, 15th International Conference on Dynamical Processes in Exited States of Solids 2005
- Light-induced Ultrafast Phase Transitions in VO2 Thin Film , Collaborator, 13th International Congress on Thin Films, Stockholm, Sweden 2005
- Novel PLD-VO2 thin film for ultrafast applications , Collaborator, TMS Annual Meeting, Charlotte, NC 2004
- Semiconductor-to-metallic phase transition of VO2 by laser excitation , Collaborator, TMS Annual Meeting, Charlotte, NC 2004
- Excited state dynamics and insulator-to-metallic phase transition of VO2 thin films , Collaborator, 14th International Conference on Dynamical Processes in Excited States of Solids, Christchurch, New Zealand 2003
- Host excitation induced red emission from Pr3+ in strontium barium titanate thin film , Collaborator, 14th International Conference on Dynamical Processes in Excited States of Solids, Christchurch, New Zealand 2003
- Optical and electrical properties of vanadium oxide thin film for passive device application , Collaborator, Spring Meeting of the Texas APS, San Marcos, Texas 2003
- Energy transfer from the host to Eu3+ in doped ZnO , Collaborator, The 8th IUMRS International Conference on Electronic Materials Symposium B-Wide bandgap Materials for Electronic and Opto-electronic Devices, Xi'an, China 2002
- Improved dielectric properties of hetero-structured BST thin films for high frequency applications , Collaborator, MRS Fall Meeting, Boston 2002
- High-resolution spectroscopy of strontium barium niobate thin film doped with trivalent europium ions , Collaborator, Second Ferroelectrics Workshop, San Juan, P.R. 2001
- Microwave Properties of Strontium Barium Niobate Thin Films Grown by Pulsed Laser Deposition , Collaborator, MRS Fall Meeting, Boston 2001
- Optical properties of Eu in strontium barium niobate optical thin film grown by pulsed laser deposition , Collaborator, International Conference of Materials and Advanced Technology, Singapore 2001
- Optical properties of Sr1-xCaxTiO3:Pr3+ , Collaborator, Second Ferroelectrics Workshop, San Juan, P.R. 2001
- Structure, morphology, and properties of strontium barium niobate thin films grown by pulsed laser deposition , Collaborator, Second Ferroelectrics Workshop, San Juan, P.R. 2001
- Photoluminescence of Ce3+,Tb3+ :Y2O3 nanoclusters embedded in SiO2 sol-gel glasses , Collaborator, Sixth Conference of the International Union of Materials Research Societies 2000
- Photoluminescence of Ga1-xInxN thin films deposited by pulsed laser ablation , Collaborator, Sixth Conference of the International Union of Materials Research Societies 2000
- Pulsed Laser Deposition growth of SBN and correlation study of structure and optical properties, Collaborator, Photonics West-LASE 2000, San Jose, Cal. 2000
- Characterization of strontium barium niobate optical thin film grown by Pulsed Laser Deposition, Collaborator, Ninth International Symposium on Nondestructive Characterization of Materials Sydney, Australia 1999
- Laser spectroscopic studies of crystallization in Eu3+ doped Sr(x)Ba(1-x)Nb2O6 films, Collaborator, 22nd Rare Earth Research Conference Argonne National Lab, Argonne, Illinois 1999
- Optical Properties of Undoped and Eu3+ - doped SBN Thin Films Grown by PLD, Collaborator, 12th International Conference on Dynamical Processes in Condensed Matter (DPC'99), Humacao, PR. 1999
- Growth and Micro-Raman Study of Laser Deposited KTN Thin Films, Collaborator, Materials Research Society Symposium, San Francisco 1998
- Modulation of the Nonlinear Optical Response by KNbO3 Thin Films Deposited on a KTaO3 Substrate, Collaborator, International Conference in Applied Photonics, Ottawa, Canada 1998
- Nitride SemiconductorThin Films Grown by N-radical-assisted Pulsed Laser Deposition, Collaborator, NASA-URC Technical Conference 1998
- SBN Thin Film Growth by Pulsed Laser Deposition and Characterization of Nonlinear Optical Properties , Collaborator, MRS Spring Meeting, SanFrancisco 1998
- Structural Characterization of Pulsed Laser Deposited KTN Thin Films, Collaborator, Materials Research Society Symposium, Boston 1998
- Transient Grating in KNbO3 / KTaO3 Superlattice, Collaborator, SPIE Annual Meeting, San Diego 1998
- N-Radical-Assisted Pulsed Laser Deposition of Aluminum Nitride Thin Films, Collaborator, AAAS - EPSCoR Annual Conference, Fajardo 1997
- Optical Properties of ZnS:Mn2+ Nanoparticles in Polymer Films, Collaborator, International Conferece on Dynamic Processes in Condensed Matter, Germany 1997
- Structure and Properties of III-N Semiconductor Thin Films Grown by N-Radical-Assisted Pulsed Laser Deposition, Collaborator, MRS Fall Meeting, Boston 1997
- Study of KTN Thin Films of Variable Composition Grown by Pulsed Laser Deposition, Collaborator, MRS Fall Meeting, Boston 1997
- Ellipsometric Study of Niobium Oxide Thin Films, Collaborator, AAAS - EPSCoR Annual Conference, Ponce, P.R. 1996
- Excitation Dynamics of Cerium in Niobate Crystals, Collaborator, 21st Rare Earth Research Conference 1996
- Monte Carlo Simulations for Ion Beam Sputtering and design of an IBS Chamber, Collaborator, AAAS - EPSCoR Annual Conference, Ponce, P.R. 1996
- Niobium Oxide Thin Films Grown by Pulsed Laser Deposition, Collaborator, AAAS - EPSCoR Annual Conference, Ponce, P.R. 1996
- Enhancement of Thickness Uniformiry of Thin Films Grown by Pulsed Laser Deposition, Speaker, AAAS - EPSCoR Annual Conference, Dorado, P.R. 1995
- Tantalum Oxide and Niobium Oxide Thin Films Grown by Pulsed Laser Deposition, Collaborator, MRS Fall Meeting, Boston 1995
- Up-conversion of Multi-site Er in LiNbO3 Single Crystal Fibers, Collaborator, 10th International Conference on Dynamical Processes in the Excited State of Solids 1995
- Up-converted Energy Transfer from Er3+ to Cr3+ in LiNbO3 Single Crystal Fibers, Collaborator, 10th International Conference on Dynamical Processes in the Excited State of Solids 1995
- Growth and Characterization of Thin Films by Pulsed Laser Deposition, Collaborator, Sixth P.R. EPSCoR Annual Conference, San Juan 1994
- Aluminum Nitride Thin Films by Pulsed Laser Deposition, Collaborator, P.R. Materials Research Center Mini-Gordon Conference 1993
- Multilayered Soft X-ray Optics, Collaborator, P.R. Materials Research Center Mini-Gordon Conference 1993
- Potassium Tantalate-Niobate Materials Grown by Pulsed Laser Deposition, Collaborator, Joint AAAS - EPSCoR Annual Conference 1993
- Pulsed Laser Deposition of Potassium-Niobate-Tantalate Thin Films, Collaborator, P.R. Materials Research Center Mini-Gordon Conference 1993
- Pulsed Laser Deposition of Thin Film Materials, Collaborator, Eight Annual National EPSCoR Conference 1992
- YBCO Thin Films by Pulsed Laser Deposition, Speaker, Arizona Research Laboratories / LXRO 1992
- Multilayered Soft X-ray Mirrors [Poster Presentation], Collaborator, American Vacuum Society Meeting 1986
- Charactenstics of Sputter - Deposited Multilayers, Collaborator, American Vacuum Society Meeting 1985
Research
principal investigator on
other research activities
- Transformation of Physics Laboratories and Outreach Program Collaborator 2003
- Instrumentation for study on ultrafast photodynamics of excited states in novel optical materials Investigator 1999 - 2002
- Development of a DoE EPSCoR Project in Puerto Rico Investigator 1999 - 2000
- Tropical Center for Earth and Space Studies Investigator 1995 - 2000
- Growth and Characterization of Group III-Nitride Wide Bandgap Semiconductors Investigator 1996 - 1999
Service
reviewer of
- Applied Physics Letters (Journal) 1996
professional service activities
- Bioimage Corp. Consultant 1997
- Hewlett-Packard Consultant 1990
- University of Arizona, Tucson Research Associate 1986 - 1987
- University of Arizona, Tucson Research Assistant 1983 - 1986
- Pontifical Catholic University of Puerto Rico Ponce Department Chairman 1978 - 1983
- Pontifical Catholic University of Puerto Rico Ponce Assistant Professor 1977 - 1983
Background
education and training
- Ph.D. in Optical Sciences, University of Arizona, Tucson , Multilayer Reflectors for Soft X-Rays 1987
- M.S. in Physics, The Residual Interaction Parameters in a Continuum Treatment of Photonuclear Reaction 1975
- B.S. in Physics 1971
awards and honors
- Academic Productivity Award , 1998
- Academic Productivity Award , 1996
- Scholarly Productivity Award , conferred by Puerto Rico Experimental Program to Stimulate Competitive Research (PR-EPSCoR), 1995
- Enrico Fermi Award , 1971
Contact
full name
- Felix Fernandez