CONTENTS -- Preface -- Longitudinal Gauge Theory of Surface Second Harmonic Generation Bernardo S. Mendoza -- 1. Introduction -- 2. Longitudinal Gauge -- 3. Time-dependent Perturbation Theory -- 4. Layered Current Density -- 5. Non-linear Susceptibility -- 6. Gauge Invariance -- 7. SHG Radiation -- 8. Conclusions -- Acknowledgments -- References -- Parameter-free Calculations of Optical Properties for Systems with Magnetic Ordering or Three-dimensional Confinement F. Bechstedt, C. Rodl, L. E. Ramos, F. Fuchs, P. H. Hahn, J. Furthuller -- 1. Introduction -- 2. Theoretical and computational methods -- 2.1. Ground state -- 2.2. Quasiparticles -- 2.3. Electron-hole pairs and dielectric function -- 3. Modelling of spin and confinement -- 3.1. Spin ordering -- 3.2. Nanocrystals -- 4. Example: Antiferromagnetic insulator MnO -- 5 . Example: Nanocrystal Si17H36 -- 6. Summary -- Acknowledgement -- References -- Excited State Properties Calculations: from 0 to 3 Dimensional Systems M. Marsili, V. Garbuio, M. Bruno, 0. Pulci, M. Palummo, E. Degoli, E. Luppi, R. Del Sole -- 1. Introduction -- 2. Determination of the ground state: C(111)2 x 1 -- 3. Quasiparticle effects in the electronic band structure -- 3.1. Example: liquid water -- 4. Many body effects in the optical properties -- 4.1. Examples: Silicon nanowires (1D) -- 4.2. Example: silicon nanoclusters (OD) -- 5. conclusions -- Acknowledgments -- References -- Dielectric Response and Electron Energy Loss Spectra of an Oxidized Si(100)-(2 x 2) Surface L. Caramella, G. Onida, C. Hogan -- 1. Introduction and motivations -- 2. Theory -- 3. Computational scheme and results for the dielectric function -- 4. The supercell approach and some related pitfalls -- 5. EELS spectra -- 6. Conclusions -- Acknowledgments -- References.

Dielectric Function of the Si(113)3 x 2ADI Surface from ab-initio Methods K. Gaal-Nagy, G. Onida -- 1. Introduction -- 2. Method -- 3. k point convergence -- 4. Anisotropy at -- 5. Summary -- 6. Acknowledgment -- References -- Modeling of Hydrogenated Amorphous Silicon (a-Si:H) Thin Films Prepared by the Saddle Field Glow Discharge Method for Photovoltaic Applications A. V. Sachenko, A. I. Shkrebtii, F. Gaspari, N. Kherani, A. Kazakevitch -- 1. Introduction -- 2. Experiment: techniques and film growth -- 3. Theoretical model and discussion -- 4. Conclusions -- Acknowledgements -- References -- High Spatial Resolution Raman Scattering for Nano-structures E. Speiser, B. Buick, S. Delgobbo, D. Calestani, W. Richter -- 1. Introduction -- 2. Raman Scattering -- 3. Micro - Raman Scattering on Nanostructures -- 3.1. Raman Experimental Set-up -- 3.2. Micro-Raman measurements on Nano structures -- 3.2.1. GaAs nanowires -- 3.2.2. ZnO nanowires -- 4. Nano Resolution Raman scattering: From Far Field to Near Field -- 5. Realizations of Raman Scattering with a tip (SNOM or A-SNOM) -- 6. Summary -- Acknowledgements -- References -- Investigation of Compositional Disorder in GaAs1-xNx:H R. Trotta, M. Felici, F. Masia, A. Polimeni, A . Miriametro, M. Capizzi -- 1. Introduction -- 2. Discussion and results -- 3. Conclusions -- References -- Vibrational Properties and the Miniband Effect in InGaAs/InP Superlattices A. D. Rodrigues, J. C. Galzerani, Yu. A. Pusep, D. M. Cornet, D. Comedi, R. R. La Pierre -- 1. INTRODUCTION -- 2. EXPERIMENTAL DETAILS -- 3. DISCUSSIONS AND RESULTS -- References -- Electronic and Optical Properties of ZnO between 3 and 32 eV M. Rakel, C. Cobet, N. Esser, P. Gori, 0. Pulci, A . Seitsonen, A. Cricenti, N. H. Nickel, W. Richter -- 1. INTRODUCTION -- 2. EXPERIMENT -- 3. COMPUTATIONAL METHOD -- 4. RESULTS -- 5. CONCLUSIONS -- 6. ACKNOWLEDGEMENTS.

References -- Order and Clusters in Model Membranes: Detection and Characterization by Infrared Scanning Near-Field Microscopy J. Generosi, G. Margaritondo, J. S. Sanghera, I. D. Aggarwal, N. H. Tolk, D. W. Piston, A. Congiu Castellano, A . Cricenti -- INTRODUCTION -- MATERIALS AND METHODS -- RESULTS AND DISCUSSION -- CONCLUSIONS -- ACKNOWLEDGMENTS -- References -- Chemical and Magnetic Properties of NiO Thin Films Epitaxially Grown on Fe(001) A . Brambilla -- 1. Introduction -- 2. Experiment -- 3. Chemistry and Magnetism at the NiO/Fe Interface -- 4. Magnetic anisotropy in the NiO layer -- 5. Conclusions -- Acknowledgments -- References -- Nonlinear Magneto-Optical Probing of Magnetic Nanostructures: Observation of NiO(111) Growth on a Ni(001) Single Crystal V. K. Valev, A . Kirilyuk, Th. Rasing -- 1. Introduction -- 2. Theory -- 3. Calculating the MSHG intensity -- 4. Experimental considerations -- 5. Applications to magnetic surfaces and interfaces -- 6. Symmetry considerations: observation of NiO(111) growth on a Ni(001) single crystal -- 6.1. The oxidation of Ni -- 6.2 Experimental details -- 6.3 Results and discussion -- 7 Conclusion -- Photoluminescence under Magnetic Field and Hydrostatic Pressure in GaAs1-xNx for Probing the Compositional Dependence of Carrier Effective Mass and Gyromagnetic Factor G. Pettinari, F. Masia, A . Polimeni, M. Felici, R. Trotta, M. Capizzi, T. Niebling, H. Gunther, P. J. Klar, W. Stolz, A. Lindsay, E. P. O'Reilly, M. Piccin, G. Bais, S. Rubini, F. Martelli, A. Franciosi -- 1. Introduction -- 2. Theoretical Model -- 3. Experiment and Results -- 4. Conclusions -- References -- Probing the Dispersion of Surface Phonons by Light Scattering G. Benedek, J. P. Toennies -- Abstract -- 1. Introduction -- 2. SAW physics with photons -- 3. Kinematics of Inelastic Scattering Spectroscopies: Photons versus Massive Particles.

4. Overcoming the Problem of Small Photon Momentum -- 5. Inelastic X-ray scattering (IXS) -- References.