Reconfigurable electronics based on metal-insulator transition
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Ferroelectric thin films are widely studied nowadays as potential replacements for semiconductors in modern tunable microwave devices such as tunable filters, phase-shifters, frequency mixers, power dividers, etc. Recent progress in the deposition of compl ...
In this work, a novel low-temperature thick-film system (dielectrics, resistors and conductors) is characterised for application on substrates, which cannot be exposed to the standard high-temperature 850 C thick-film firing cycle. Aluminium alloy sheets a ...
This document develops an analysis of the performance of a VoIP application over W-CDMA HSUPA. It starts by describing fundamental issues about VoIP. Then, it investigates several limiting factors of HSUPA voice capacity, i.e. HSUPA control channel overhea ...
This paper shows our efforts in comunication in oredr to increase the student number in the classical section of electrical engineering. In the field of Power Electronics, aquired know-howw is presented to the students by using electronic and computer tool ...
The hydrogen response of gas-sensitive field-effect devices is mainly due to trapping of atomic hydrogen on the insulator side of the metal-insulator interface of the metal-insulator-semiconductor (MIS) structure. Therefore an influence of the choice of in ...
In this work, we have modified a low-temperature thick-film system previously developed for aluminium and aluminium alloy substrates in order to adapt it to ferritic and austenitic stainless steel, and glass substrates, which, unlike the common alumina sub ...
We propose in this paper a novel method for generating the pump and probe signals for a Brillouin fibre sensor. It is based on the injection locking of two distinct semiconductor lasers, that makes possible the generation of high purity beat signals in the ...
Using a highly sensitive silicon Hall sensor fabricated in a standard complementary metal-oxide-semiconductor (CMOS) technology, we detect a single magnetic microbead of 2.8 μm in diameter. The miniaturized sensor has an active area of 2.4×2.4 μm 2, a sens ...
Five Ba(B'1/2B1/2'')O3 ceramic compounds (B' = Y3+, Gd3+, Nd3+, In3+; B'' = Ta and B' = Mg2+; B'' = W6+) have been prepared to investigate the origin of microwave losses. Infrared reflectivity and submillimetre transmission measurements as well as low-freq ...
Low-frequency losses in weakly anharmonic cubic centrosymmetric crystals as a function of permittivity are estimated using phonon kinetics approach. It is shown that very steep dependencies up to the fifth power of permittivity (epsilon'' is-proportional-t ...