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pro vyhledávání: '"E. Šermukšnis"'
Akademický článek
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Autor:
E. Šermukšnis, Ümit Özgür, Arvydas Matulionis, Hadis Morkoç, Natalia Izyumskaya, Kai Ding, Vitaliy Avrutin
Publikováno v:
Oxide-based Materials and Devices XII.
We report the direct current (DC) and microwave performance of BeMgZnO/ZnO heterostructure field effect transistors (HFETs) on sapphire substrates. The devices fabricated using Al2O3 as the gate dielectric with a gate length of 1.5 um and a gate widt
Autor:
E. Šermukšnis, A. Šimukovič, Oleg Kiprijanovič, Linas Ardaravičius, M. Ramonas, Arvydas Matulionis
Publikováno v:
Lithuanian Journal of Physics. 60
High-field electron transport measurements by applying short (few ns) voltage pulses on nominally undoped n-type Zn-polar ZnO epilayers are reported and interpreted in terms of the Boltzmann kinetic equation. The transient measurements do not demonst
Autor:
Hadis Morkoç, Arvydas Matulionis, E. Šermukšnis, Kai Ding, Ümit Özgür, Vitaliy Avrutin, A. Šimukovič, J. Liberis
Publikováno v:
Applied Physics Letters. 118:252102
Microwave noise is used to study high-electric-field electronic properties of ZnO channels with electron densities in the range from 1017 to 1019 cm–3. The strong source of noise is observed to superimpose onto the standard hot-electron noise gover
Electrical properties of BeMgZnO/ZnO heterostructures with high-density two-dimensional electron gas
Autor:
Vitaliy Avrutin, Ümit Özgür, Arvydas Matulionis, Natalia Izyumskaya, E. Šermukšnis, Kai Ding, Hadis Morkoç
Publikováno v:
Oxide-based Materials and Devices X.
Accumulation of non-equilibrium hot longitudinal optical (LO) phonons limits the electron drift velocity for electronic devices operating under high electric field. Ultrafast decay of hot phonons can take place via plasmon-LO phonon resonance, which
Autor:
Vitaliy Avrutin, Kai Ding, Hadis Morkoç, Natalia Izyumskaya, E. Šermukšnis, Ümit Özgür, Arvydas Matulionis
Publikováno v:
physica status solidi (RRL) – Rapid Research Letters. 14:2000371
Autor:
Vitaliy Avrutin, A. Šimukovič, J. Liberis, Arvydas Matulionis, E. Šermukšnis, Hadis Morkoç, M. Ramonas, Ümit Özgür
Publikováno v:
Journal of Applied Physics. 128:055702
The almost periodic streaming motion of accelerated electrons under moderate electric fields coupled with almost periodic emission of longitudinal optical (LO) phonons is studied in a gallium nitride quantum-well—a promising pathway for terahertz (
Autor:
Juozapas Liberis, E. Šermukšnis, Michael G. Spencer, L. Ardaravičius, Hussain Alsalman, Joon Young Kwak
Publikováno v:
2017 International Conference on Noise and Fluctuations (ICNF).
High frequency noise was measured for epitaxial graphene on SiC. The noise measurements were carried out in the frequency range from 200 MHz up to 10 GHz in the direction parallel to the applied electric field in the graphene layer. Nanosecond voltag
Autor:
Juozapas Liberis, Arvydas Matulionis, Ümit Özgür, E. Šermukšnis, Barkat Ullah, Mykyta Toporkov, Hadis Morkoç, A. Šimukovič, Vitaliy Avrutin
Publikováno v:
2017 International Conference on Noise and Fluctuations (ICNF).
The microwave noise is used for experimental investigation of power dissipation in the channels for heterostructure field-effect transistors (HFETs). The problem is treated in terms of the hot-electron energy relaxation and the hot-phonon effect. The
Akademický článek
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