Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Oleg KIPRIJANOVIČ"'
Autor:
Linas ARDARAVIČIUS, Skirmantas KERŠULIS, Oleg KIPRIJANOVIČ, Česlovas ŠIMKEVIČIUS, Steponas AŠMONTAS
Publikováno v:
Medžiagotyra, Vol 26, Iss 3, Pp 358-362 (2020)
The Barkhausen method is proposed to clarify the cause of radiation of electromagnetic (EM) pulses during high voltage pulse generation by piezoelectric igniters (PIs). Wide bandwidth of the experimental setup was narrowed for a simultaneous registra
Externí odkaz:
https://doaj.org/article/0fc5926def4b438aa5f41b39afa130c3
Publikováno v:
Results in Physics, Vol 24, Iss , Pp 104156- (2021)
Pulsed current–voltage characteristics have been measured for CVD monolayer graphene and exfoliated MoS2 on HfO2 and Al2O3 (sapphire) under controlled lattice temperature conditions. The unintentional donor density in MoS2 is 3.6 × 1011cm−3 and
Externí odkaz:
https://doaj.org/article/27557c0b7578479383eebf88fa9d287a
Autor:
Oleg Kiprijanovič, Steponas Ašmontas, Jonas Matuzas, Lina Valasevičiūtė, Sandra Varnaitė-Žuravliova
Publikováno v:
Medžiagotyra, Vol 21, Iss 3, Pp 425-428 (2015)
The system based on ultra-wide band (UWB) signals was employed for qualitative estimation of attenuating, reflecting and polarizing properties of conductive fabrics, capable to prevent local static charge accumulation. Pulsed excitation of triangle m
Externí odkaz:
https://doaj.org/article/6ee2c5c975fc4ba5ba14c84a8580f56a
Publikováno v:
Medžiagotyra, Vol 20, Iss 2, Pp 228-231 (2014)
Pulsed excitation of small size monopole antennas for generating wideband electromagnetic pulses was used. The monopoles were excited by electrical pulses having rise times of 600 ps, 200 ps, 70 ps and voltages 100 V, 15 V, and 0.4 V respectively. An
Externí odkaz:
https://doaj.org/article/8af75eebdb0b45e3950f65d84feb4f3b
Autor:
Fiodoras ANISIMOVAS, Steponas AŠMONTAS, Oleg KIPRIJANOVIČ, Andrius MANEIKIS, Bonifacas VENGALIS
Publikováno v:
Medžiagotyra, Vol 19, Iss 4, Pp 433-437 (2013)
It was experimentally registered pulsed electromagnetic (EM) radiation in frequency range higher than television one using wideband horns with coaxial and waveguide outputs. The EM radiation was received during shock loading of lead zirconate titanat
Externí odkaz:
https://doaj.org/article/165207304a574b85bce9204bb843f6ca
Publikováno v:
Medžiagotyra, Vol 19, Iss 2, Pp 129-133 (2013)
Three-dimensional electron gas/slabs (3DEG/S) can be obtained using the technique of polarization bulk doping in graded AlGaN semiconductor layer on GaN. Transport characteristics of the graded AlGaN are investigated experimentally through nanosecond
Externí odkaz:
https://doaj.org/article/ffba55f1875043f2bbc540586b966e0d
Autor:
Fiodoras ANISIMOVAS, Steponas AŠMONTAS, Jonas GRADAUSKAS, Oleg KIPRIJANOVIČ, Bonifacas VENGALIS
Publikováno v:
Medžiagotyra, Vol 18, Iss 3, Pp 215-219 (2012)
Highly resistive states were formed in nonhomogeneous thin La0.67Ca0.33MnO3 films at 80 K temperature after resistance switching induced by the pulsed thermocycling. Heating up to room temperature does not destroy the resistive states. They demonstra
Externí odkaz:
https://doaj.org/article/4277211786f44385bcef8b8cdd7b8875
Autor:
Fiodoras ANISIMOVAS, Steponas AŠMONTAS, Jonas GRADAUSKAS, Oleg KIPRIJANOVIČ, Bonifacas VENGALIS
Publikováno v:
Medžiagotyra, Vol 18, Iss 1, Pp 8-11 (2012)
Nonhomogeneous thin La0.67Ca0.33MnO3 films, having Tm in 180 K – 200 K temperature range, were thermocycled between 80 K and 210 K using liquid nitrogen. After the thermocycling it was confirmed formation of highly resistive state with additional l
Externí odkaz:
https://doaj.org/article/99e77731556140058b10711cdadf130c
Publikováno v:
Medžiagotyra, Vol 20, Iss 2, Pp 232-234 (2014)
Pulsed excitation of a horn antenna for generating large B wideband electromagnetic pulses was used. The antenna was excited by electrical pulses with rise time of 200 ps and pulse voltage of 15 V. The spectral properties of the electromagnetic pulse
Externí odkaz:
https://doaj.org/article/91161b87d2c04c299577c34a54c79523
Publikováno v:
Integrated Ferroelectrics. 220:120-131