The description of electromagnetic arbitrary shaped beams (eg laser beams) under
expanded forms requires the evaluation of expansion coefficients known as beam shape …

Silicon nanocrystals (NCs) represent one of the most promising material systems for light
emission applications in microphotonics. In recent years, several groups have reported on …

Fe-doped titanate nanotubes were prepared by the combination of sol–gel process with
hydrothermal treatment. After a further calcinations process, Fe-doped TiO 2 nanotubes …

Solid‐state single‐photon sources in the infrared region are crucial for advancing quantum
technologies, in particular long‐distance fiber or on‐chip quantum communication, quantum …

During the year 2008, we have been commemorating, in several places, the hundredth
anniversary of the famous 1908-paper by Mie describing the interaction between an …

Photonics is a key technology of this century. The combination of photonics and silicon
technology is of great importance because of the potentiality of coupling electronics and …

Doping in semiconductors is a fundamental issue for developing high performance devices.
However, the doping behavior in Si nanocrystals (Si NCs) has not been fully understood so …

First-principles study of boron (B)-doped silicon nanocrystals (Si NCs) at 0 K in the
framework of density functional theory has been carried out. It is found that B prefers residing …

Over the last decades silicon nanocrystals (Si NCs) were the subject of an intense research
activity, due to their optical and electronic properties. Different experimental approaches …

Si nanocrystals have been extensively studied because of their novel properties and their
potential applications in electronic, optoelectronic, photovoltaic, thermoelectric and …