# Hot-electron transport in 4Hâ€“SiC

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The small signal response and thermal noise spectra in miniband superlattice are investigated. The properties of hot electron differential mobility, velocity fluctuation, and noise temperature are determined around a stationary condition. The field and frequency dependent drift velocity,...

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By using the Boltzmann formalism, we show that carrier multiplication by impact ionization can take place at relatively low electric fields during electronic transport in graphene. Because of the absence of an energy gap, this effect is not characterized by a field threshold but is a quadratic...

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Ballistic and quasiballistic electron transport across the active InGaN layer are shown to be responsible for electron overflow and electroluminescence efficiency droop at high current levels in InGaN light emitting diodes both experimentally and by first-order calculations. An InGaN staircase...

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Discusses a study that presented a method to compute the solution of the nonlinear Boltzman equation for a one-dimensional hot-electron system. Function of the effective temperature of the system; Area in which the effective temperature approximation is only valid; Solution that has been...

- Hot-electron transport in AlGaN/GaN two-dimensional conducting channels. Danilchenko, B. A.; Zelensky, S. E.; Drok, E.; Vitusevich, S. A.; Danylyuk, S. V.; Klein, N.; Lüth, H.; Belyaev, A. E.; Kochelap, V. A. // Applied Physics Letters;11/29/2004, Vol. 85 Issue 22, p5421
We report on experimental studies of high-field electron transport in AlGaN/GaN two-dimensional electron gas. The velocityâ€“electric field characteristics are extracted from 10 to 30 ns pulsed currentâ€“voltage measurements for 4.2 and 300 K. An electron drift velocity as high as...

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The results are given of numerical solution of the Boltzmann equation in a binomial approximation in view of elastic and inelastic electron collisions in Xe+CH4 mixtures and in pure methane. The electron energy distribution functions obtained are used to calculate the electron transport...

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The velocity distribution of a spatially uniform diluted guest population of charged particles moving within a host medium under the influence of a D. C. electric field is studied. A simplified one-dimensional Boltzmann model of the KacË‡ type is adopted. Necessary conditions and sufficient...

- Effect of magnetic field on the screening due to hot electrons in the presence of shallow attractive traps. Midday, S.; Bhattacharya, D. P. // Canadian Journal of Physics;Nov2009, Vol. 87 Issue 11, p1203
The electrostatic screening of the perturbation potential due to lattice imperfections has been investigated here in the presence of crossed electric and non-quantizing magnetic fields, under conditions where the lifetime of the carriers of the non-equilibrium ensemble in a semiconductor is...

- One-dimensional Vlasov simulation of parallel electric fields in two-electron population plasma. Saharia, K.; Goswami, K. S. // Physics of Plasmas;Sep2007, Vol. 14 Issue 9, p092302
One-dimensional Vlasov simulation in electron current carrying multicomponent plasma seeded with a density depression is presented. Considering two electron populations [one is sufficiently hot (âˆ¼keV) and the other is cold along with cold background ions], the formation of weak double...