1985
DOI: 10.1016/0378-4363(85)90353-5
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Transport parameters of hot electrons in GaAs at 300 K

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Cited by 22 publications
(10 citation statements)
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“…These values are widely used for MC simulations, although there is some controversy about the intervalley coupling coefficients which may affect significantly diffusion coefficients around the threshold field [4,20].…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…These values are widely used for MC simulations, although there is some controversy about the intervalley coupling coefficients which may affect significantly diffusion coefficients around the threshold field [4,20].…”
Section: Resultsmentioning
confidence: 99%
“…Although electron transport in GaAs has been widely investigated, the diffusion properties have been less extensively studied. Experimental [2,3] and theoretical [4,5] studies of diffusion in non-degenerate GaAs may be found in the literature. Calculations of diffusion coefficients of the degenerate two-dimensional electron gas in GaAs [6] and Si [7] have been reported, for liquid-helium temperature and very low electric field.…”
Section: Introductionmentioning
confidence: 99%
“…Initial measurements of the PSD versus electric field in GaAs exhibited a peak at an electric field around the onset of negative differential resistance (∼ 2 − 3 kV cm −1 ) [32]. Although the quantitative results may have been complicated by a non-negligible time-domain response of the electric circuit used in the experiment [33], later measurements using microwave pulses confirmed the trend [34,35]. The first numerical investigations of noise phenomena in GaAs focused primarily on calculating the diffusion coefficient at high fields [36], noting that the high-field diffusion coefficient differed substantially from that predicted using the Einstein relation [37,38].…”
Section: Introductionmentioning
confidence: 93%
“…Figure 5: PSD versus electric field for the three cases as described in the text. None of the calculated cases are able to reproduce the peak in the PSD near 3 kV cm −1 that appears in the experimental data: PSD from noise temperature and differential mobility measurements (filled circles [34] and open circles [35]), and from time of flight experiments (triangles [32]).…”
Section: E Current Psdmentioning
confidence: 99%
“…Su densidad espectral asociada es independiente con la frecuencia hasta valores comparables al inverso del tiempo de relajación del momento de los portadores; se trata por tanto de un fenómeno tipo "ruido blanco". E El estudio de este tipo de ruido se puede efectuar a través de las siguientes expresiones fundamentales: -El teorema de Nyquist [Nyquist 1928]: determina la densidad espectral de las fluctuaciones de la corriente o del voltaje asociadas a este tipo de ruido: Es posible extender la aplicabilidad del teorema de Nyquist a todas las frecuencias [Gasquet et al 1985]:…”
Section: A2 1 En Equilibrio Ruido Térmicounclassified