Zobrazeno 1 - 5
of 5
pro vyhledávání: '"T. V. Ostapchuk"'
Autor:
N. A. Nefedov, A. M. Marenny, V. V. Shligin, D. V. Isaev, Natalya K. Shandala, V. I. Astafurov, Aleksey V. Titov, T. V. Ostapchuk, V. G. Starinskiy, M. P. Semenova
Publikováno v:
Hygiene and sanitation. 96:822-826
In the article there are presented data of the study of the radiation situation on the territory and at premises of the “Electric Mechanical Plant” Company, one of the units of the former uranium mining and milling facility of the former Lermonto
Autor:
S.M Naumenko, T. V. Ostapchuk, V.B Shevchenko, O.I. Dacenko, V. A. Makara, M. S. Boltovets, O. V. Vakulenko, O. V. Rudenko
Publikováno v:
Journal of Luminescence. 81:263-270
Evolution of the integral intensity of the photoluminescence (IIPL) of untreated and treated (48% HF etched) porous silicon (PS) samples is studied in samples stored in the air both in the dark and in daylight. It is established that IIPL of the illu
Autor:
A. I. Datsenko, V. A. Makara, N. S. Bolotovets, S. N. Naumenko, O. V. Vakulenko, O. V. Rudenko, T. V. Ostapchuk
Publikováno v:
Journal of Applied Spectroscopy. 66:458-463
The effect of chemical treatment of porous silicon samples by HF on its photoluminescence and its evolution with time in sample aging in air is investigated. It is shown that the effect of HF on the luminescence parameters depends on the duration of
Autor:
V. A. Makara, O. V. Rudenko, M. S. Boltovets, V.M. Kravchenko, O. V. Vakulenko, O.I. Dacenko, V. O. Fesunenko, T. V. Ostapchuk
Publikováno v:
Thin Solid Films. 312:202-206
The effect of boron diffusion on the microhardness and photoluminescent properties of porous silicon layers obtained conventionally by anode etching is studied. By means of angle lap, it was found that the samples have a three-layer structure: the up
Autor:
T. V. Ostapchuk, G. S. Oleinik
Publikováno v:
Powder Metallurgy and Metal Ceramics. 34:500-504
The substructure and cleavage fracture in two types of polycrystalline B4C specimens are investigated. It is shown that in specimens hot-pressed below 2000°C twins in poreless grains are effective barriers for cleavage cracks. Cleavage fracture occu