Main expertise area:

• Nanophotonics
  
  • Enhanced transmission of arrays of subwavelength apertures
  • Giant transmission through nanometer-sized single apertures
  • Sample preparation by self-assembly technique
  • Applications: NSOM, lithography, optical data storage, display devices

Other Experience

• EMR (Extraordinary MagnetoResistance)
  
  • Magnetoresistance in inhomogeneous HgCdTe
  • Application: read heads for high-density data storage

• DX Centres: Non-conventional materials for photoresponsive devices
  
  • Bistable defects in semiconductors
  • DX centres in III-V and II-VI semiconductors
  • Applications: photonic switches, high-density data storage

• Metal-insulator transition
  • Electron correlation in transition metal compounds
  • Transport and magnetism in pyrite-type Ni(S,Se)2

• High-Tc cuprates
  
  • Weak-ferromagnetism in pure La2CuO4

• Amorphous semiconductors
  
  • Level spectroscopy through transient photoconductivity