Defects in bulk materials

 

Defects in bulk materials

Paola Alippi  -

Francesco Filippone  -

Giuseppe Mattioli  -

 
  • Calculations of properties of defects in semiconductors and insulators:
    • geometries (XANES,EPR,HRTEM),
    • electronic levels (PES), thermal levels (DLTS, Hall),
    • formation/binding/migration energies (equilibrium defect concentration, thermal diffusion coefficients),
    • defect-induced magnetism.
 

CASE STUDIES

  • Ciatto G., et al.
    Evidence of Cobalt-Vacancy Complexes in Zn1-xCoxO Dilute Magnetic Semiconductors
    Phys. Rev. Lett, 2014, 107, 127206
  • Alippi P., Cesaria M., Fiorentini V.
    Impurity-vacancy complexes and ferromagnetism in doped sesquioxides  
    Phys. Rev. B, 2014, 89, 134423
  • Mattioli, G., Alippi, P., Filippone, F. et al.
    Deep versus Shallow Behavior of Intrinsic Defects in Rutile and Anatase TiO2 Polymorphs
    J. Phys. Chem. C 2010, 114, 21694
  • Alippi P., Ruggerone P., Colombo L.
    Neutral boron-interstitial clusters in crystalline silicon
    Phys. Rev. B, 2004, 69, 125205