Facilities

  • • Pulsed laser deposition system
    • Pulsed (1J) Nd:YAG laser (Quantel) with second (500 mJ) and third (200 mJ) harmonic generation
    • Carbon dioxide laser (Synrad), 25 W, CW operation
    • Nd-YAG laser (GTE-Sylvania, mod. 607), 1 W, CW operation
    • Argon ions laser (Spectra-Physics, mod.164-08), 2W, CW operation coupled to a dye (mod.375) and to an intensity stabilizer (mod.373)
    • HeNe laser (Melles Griot, 633 and 543 nm)
    • Two vacuum bells (Leybold) equipped with rotative and turbomolecular pumps and with optical, electrical, mechanical, and controlled fluid feedthroughs
    • Monochromator (SPEX, mod. Minimate) for visible and near infrared radiations
    • Monochromator (Acton, mod. 275) equipped with gratings suitable for the visible and near IR radiations, photomultiplier and fibre optics bundle
    • Xenon lamp (Muller LXH100)
    • Spectrophotometer Varian, model DMS-90
    • Spectrophotometers OceanOptics SD2000 and HR4000
    • Hall effect-based measurements system (Ecopia)
    • Seebeck effect-based measurements system
    • Four points measurement systems for semiconductors wafers (Signatone)
    • Optical (IR) thermometer for high temperatures, Land Instruments mod. Cyclops 100
    • Stereomicroscope (Novex) equipped with videocamera
    • Optical bench (TMC)
    • Polishing machine (Logitech) for polishing and thinning of substrates (Logitech)
    • Precision disk saw (Buehler) for cutting substrates
    • Analogue and digital Oscilloscopes (Tektronix)
    • Picoamperometer/voltage supply (Keithley, model 6487)
    • Stabilized power supplies both at low and high voltage)
    • Personal computer equipped with interfaces for controlling the instrumentation and the data acquisition (both analogue and digital)
    • Small Electronics workshop with relevant instrumentation
    • Mechanical workshop equipped with a small lathe/cutter for metals (Emco)
    .


  • Competences

    • Optics and integrated optics
    • Utilization of low and medium power lasers with emission from the ultraviolet to the medium infrared radiation
    • Metal evaporation techniques in vacuum environment by thermoelectric effect, electron gun, ion or laser beam in CW or pulsed operation
    • Growth of thin films of metals, semiconductors and dielectrics by evaporation techniques under vacuum
    • Laser photoablation
    • Optical and electrical characterisation of thin films
    • Microprofilometry of surfaces
    • Scanning electron microscopy
    • Characterisation of materials and devices for electronics and optoelectronics: microreflectivity, photoluminescence, photoluminescence by excitation (PLE), X-ray diffraction, I-V characteristic
    • Organic photoluminescent devices and their characterisation
    • Organic transistors and their electrical characterisation
    • Growth of carbon nanotubes on Si/SiO substrates by Chemical Vapour Deposition (CVD)
    • Processing and fabrication of nano-devices based on carbon nanotubes
    • Design of masks for photolithography
    • Optical and electron beam lithography
    • Wet and dry etching, steam oxidation, rapid thermal annealing (RTA)
    • Processing and fabrication of optoelectronics devices based on GaAs, GaN, and InP



University of Palermo  -  Department of Energy, Information engineering and Mathematical models (DEIM)
viale delle Scienze, Building 9  -  I-90128  Palermo (Italy)