space-charge

In conventional photovoltaic cells (affectionately "PVs"), wires on either side of the space-charge region collect the holes and electrons, so they can be forced to drive an external circuit.

Analog Science Fiction and Fact 2005

The Ph.D. dissertation involved what we would today call hot-electron effects, in the collector space-charge layer of the then-new transistor.

Herbert Kroemer - Autobiography 2001

It is concluded that results from a reduction in the electrochemical potential for the formation of vacancies corresponding to the diffusion of the rate-controlling ion in the space-charge at the grain boundary.

Next Big Future bw 2010

The retardation could be due to one or more of the following effects of the field on the space-charge zone: (i) an increase in the segregated solute ions, (ii) a decrease in grain boundary energy and (iii) a decrease in solute ion mobility.

Next Big Future bw 2010

The calculated magnitude of the space-charge zone width and its temperature and solute composition dependence are in accord with theory and experiment; is attributed mainly to the retardation of grain growth by the field.

Next Big Future bw 2010

Extraction at Higher Potential mv2 / r = Bev For a non - ⇒ V ∝ B 17 kV → 25 kV 2 space-charge limited source ½mv2 = eV it should be ⇒ I ∝ B3 35 mA → 62 mA possible to increase output I ∝

Recently Uploaded Slideshows 2009

(non - space-charge equilibrium effects are not included). regime ~7. 5 • Avalanche evolution under strong space - log10 Ne (t) ~7 charge regime is characterized by no exponential-growth threshold effective multiplication.

Recently Uploaded Slideshows miguelfm 2010

measured assuming space-charge saturation at ne, sat = 4.0 107 (for E = 100 kV./cm) Data from: P. Fonte, V. P.skov, NIM A, 477 (2002) 17.

Recently Uploaded Slideshows miguelfm 2010