Raúl José Martín-Palma is Adjunct Professor of Materials Science and Engineering at Universidad Autonoma de Madrid, Spain. His research interests include work in nanostructures and nanotechnology, optics and photonics.José Martínez-Duart is Professor of Physics at Universidad Autónoma de Madrid, Spain. He is the author about three hundred publications in peer-reviewed scientific journals. During the 70s, he was Assistant Professor at Penn State University and Rensselaer Polytechnic Institute, and Research Visiting Scientist at the IBM T.J. Watson Research Center. Later was the Director of the Solid State Physics Institute (CSIC) at Madrid, and the Applied Physics Department at Universidad Autónoma, Madrid. He is the former President of the European Materials Research Society (EMRS), 2000-1, and the first President of the Spanish Materials Society. During the last twenty years he has been working on the electronic and optoelectronic properties of nanostructured materials. His previous books several books with Elsevier, serving as Co-Editor of the two-volumes, "Materials and Processes for Submicron Technologies and "Current Trends in Nanotechnologies, as well as the first edition of the current book.