FURTHER MEASUREMENTS OF NaCl THERMOLUMINESCENCE PARAMETERS AND RELATED TOPICS. (2006)
Bonfiglioli,G., Brovetto,P., Cortese,C.
The results of new measurements of NaCl thermo luminescence parameters are reported. Such measurements were carried out by means of the new apparatus already described in a previous Techn. Note. The...
PRELIMINARY EXPERIMENTS ON ELECTROLUMINESCENCE OF ZINC SULFIDE (2005)
BONFIGLIOLI,G., BROVETTO,P., CORTESE,C.
A short review of the literature on electroluminescence (EL) is given. The analysis is limited to phosphors of (activated) ZnS type and to intrinsic EL, i.e., EL excited in condenser type cells,...
FURTHER EXPERIMENTS ON SURFACE CONDUCTIVITY OF METALLIC THIN FILMS (2005)
The following points are considered: (1) improvement of the ac bridge used to measure the effect of conductivity modulation caused by transverse electric field (TEFE); (2) preliminary measurements of...
An attempt was made to measure the rate of change of superconducting transition temperature T sub c, as a function of surface charge density, sigma, in Sn films. For films having thicknesses of...
EXPERIMENTS OF AC-ELECTROLUMINESCENCE OF CU DOPED ZNS SINGLE CRYSTALS. (2005)
Bonfiglioli,G., Brovetto,P., Mojoni,A.
The ac electroluminescence (EL) of Cu-doped ZnS single crystals is reported. Several aspects of a thermally induced aging effect are briefly described, which include evolution with the thermal...
ELECTRON MICROSCOPE INVESTIGATION ON THE NATURE OF TRACKS OF FISSION PRODUCTS IN MICA (1998)
BONFIGLIOLI,G., FERRO,A., MOJONI,A.
Specimens of different micas were examined by the electron microscope, after suitable bombardment to clarify some aspects of the damage caused to crystals by fission products, Biotite, muscovite,...
APPARATUS FOR THERMOLUMINESCENCE (1998)
BONFIGLIOLI,G., BROVETTO,P., CORTESE,C.
A detailed description is given of an apparatus for thermoluminescence (above room temperature i.e. up to about 350 C), having the following peculiar features: the linear rate of warming is obtained...
ON THE RELATION BETWEEN FROZEN POLARIZATION AND ELECTROLUMINESCENCE OF ZNS CELLS (1998)
BONFIGLIOLI,G., BROVETTO,P., MALVANO,R.
The kinetics of the decay of the Frozen Polarization (FP) shown by an Electroluminescent Cell (ELC) after excitation which a suitable waveform of electrial potential has been studied as a function of...
CALCULATIONS ABOUT BARRIER-INJECTION ELECTROLUMINESCENCE (1998)
BONFIGLIOLI,G., BROVETTO,P., SUARDO,A.
National Electrotechnical Inst. (Italy). CALCULATIONS ABOUT BARRIER-INJECTION ELECTROLUMINESCENCE, by G. Bonfiglioli, P. Brovetto, and A. Suardo. July 62, 22p. incl. illus. (Technical note no. 7)...
ELECTROLUMINESCENCE OF ZNS EXCITED WITH LINEAR VOLTAGE TRANSIENTS, (1998)
Bonfiglioli,G., Brovetto,P., Cortese,C.
A technique is described for exciting electroluminescence by means of single transients having a constant derivative in time. Results obtained by the use of the method on ZnS commercial cells of the...
CU REPRECIPITATION AND ELECTROLUMINESCENCE IN ZNS SINGLE CRYSTALS, (1998)
The occurrence of a large aging effect in Cu-doped electroluminescent ZnS single crystals is demonstrated. It is suggested that the ac electroluminescent behavior of this material is influenced by...
SELF MODULATING DERIVATIVE OPTICAL SPECTROSCOPY. PART 2: EXPERIMENTAL. (1998)
Bonfiglioli,G., Brovetto,P., Busca,G., Levialdi,S., Palmieri,G.
A complete description is given of a first prototype of a SMODOS instrument, namely of its optical as well as electronic components. The project criteria are thoroughly discussed and some...