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pro vyhledávání: '"M Daviti"'
Publikováno v:
BMJ. :n1966
This is the Leser-Trelat sign in a man in his 60s who presented with more than 500 brown verrucous seborrhoeic keratoses (fig 1), which coalesced to form large plaques on his chest and back. …
Akademický článek
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Akademický článek
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Publikováno v:
Materials Research Bulletin. 37:1991-1995
The electron- and hole-mobility of Hg(BrxI1−x)2 crystals with compositions x=0.25, 0.50, 0.75 and 1.00 were measured using the time-of-flight method. The samples, in the form of thin layered plates, were irradiated with an 241 Am source; a memory o
Autor:
Konstantinos M. Paraskevopoulos, Efstathios K. Polychroniadis, Tony Spassov, M Daviti, Konstantinos Chrissafis
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 70:605-614
The kinetics of the α-β phase transition of HgI2 were investigated by isothermal and non-isothermal differential scanning calorimetry. The effective activation energy of the transition, 415±40 kJ mol-1, was determined applying the methods of Kissi
Autor:
Konstantinos M. Paraskevopoulos, A. N. Anagnostopoulos, M Daviti, Vera Marinova, St Shurulinkov
Publikováno v:
Optical Materials. 14:95-99
Large, optical quality mixed HgBrxI2−x single crystals were grown by the Bridgman–Stockbarger method. Their principal refractive indices n g , n m and n p were measured at room temperature for the first time, using the classic method of minimum a
Autor:
George A. Stanciu, Efstathios K. Polychroniadis, Konstantinos M. Paraskevopoulos, M Daviti, M H Oprica, J. L. Oud, A. N. Anagnostopoulos
Publikováno v:
Journal of Physics D: Applied Physics. 32:1928-1933
HgBr2 single crystals were grown from the vapour by the moving vapour growth method. By optical spectroscopy measurements in the fundamental energy gap region the energy gap value at room temperature RT was determined, and by electrical measurements
Publikováno v:
Materials Research Bulletin. 34:381-388
Mercuric bromide (HgBr 2 ) and mercuric bromide iodide (HgBrI) are layered semiconducting compounds exhibiting promising features and can be considered as candidates for nuclear radiation detector applications that operate at room temperature. In the
Autor:
A. Stanciu, Efstathios K. Polychroniadis, George A. Stanciu, C. Miu, M Daviti, Konstantinos M. Paraskevopoulos
Publikováno v:
Crystal Research and Technology. 33:881-884
Mercuric Bromoiodide (HgBrI) is the only compound in the HgI 2 -HgBr 2 system of solid solutions and it is a candidate material for solid state nuclear radiation detector applications, operating at room temperature. In the present paper we report on
Autor:
M. Manolopoulou, A. N. Anagnostopoulos, D. Petrova, Konstantinos M. Paraskevopoulos, Marin Gospodinov, I. Y. Yanchev, Efstathios K. Polychroniadis, M Daviti
Publikováno v:
Journal of Alloys and Compounds. 400:249-251
Hg(Br x I 1− x ) 2 crystals were grown by the Bridgman method for 0.2 x 241 Am and 55 Fe were used as radioactive sources. From the corresponding energy spectra, it is evident that crystals with x = 0.2 show enhanced resolution at low energies (bel