P N Review - definizione. Che cos'è P N Review
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Cosa (chi) è P N Review - definizione

PERIODIC PUBLICATION IN THE UNITED KINGDOM
Poetry Nation Review; P N Review; P.N. Review; PN Review

P. N. Review         
Launched as Poetry Nation, a twice-yearly hardback, in 1973, PN Review - now an A4 paperback - began quarterly publication in 1976 and has appeared six times a year since 1981 (PN Review 21). Two hundred and twenty-five issues of the magazine appeared as of the September–October 2015 number.
Pn junction         
  • A silicon p–n junction in reverse bias.
  • PN junction operation in forward-bias mode, showing reducing depletion width.
  • '''Figure B.''' A p–n junction in thermal equilibrium with zero-bias voltage applied. Under the junction, plots for the charge density, the electric field, and the voltage are reported. (The log concentration curves should actually be smoother, like the voltage.)
  • '''Figure A.''' A p–n junction in thermal equilibrium with zero-bias voltage applied. Electron and hole concentration are reported with blue and red lines, respectively. Gray regions are charge-neutral. Light-red zone is positively charged. Light-blue zone is negatively charged. The electric field is shown on the bottom, the electrostatic force on electrons and holes and the direction in which the diffusion tends to move electrons and holes. (The log concentration curves should actually be smoother with slope varying with field strength.)
  • [[Silicon]] atoms (Si) enlarged about 45,000,000x.
SEMICONDUCTOR–SEMICONDUCTOR JUNCTION, FORMED AT THE BOUNDARY BETWEEN A P-TYPE AND N-TYPE SEMICONDUCTOR
P-N junction; Reverse bias; Reverse-biased; Idiot Diode; P–N junction; PN junction; Pn junction; Pn-junction; Single-junction cell; P-n; Semiconductor junction; Pn Junction; Formation of a p-n Junction; P-n junction
A pn junction is a boundary or interface between two types of semiconductor materials, p-type and n-type, inside a single crystal of semiconductor. The "p" (positive) side contains an excess of holes, while the "n" (negative) side contains an excess of electrons in the outer shells of the electrically neutral atoms there.
p-n junction         
  • A silicon p–n junction in reverse bias.
  • PN junction operation in forward-bias mode, showing reducing depletion width.
  • '''Figure B.''' A p–n junction in thermal equilibrium with zero-bias voltage applied. Under the junction, plots for the charge density, the electric field, and the voltage are reported. (The log concentration curves should actually be smoother, like the voltage.)
  • '''Figure A.''' A p–n junction in thermal equilibrium with zero-bias voltage applied. Electron and hole concentration are reported with blue and red lines, respectively. Gray regions are charge-neutral. Light-red zone is positively charged. Light-blue zone is negatively charged. The electric field is shown on the bottom, the electrostatic force on electrons and holes and the direction in which the diffusion tends to move electrons and holes. (The log concentration curves should actually be smoother with slope varying with field strength.)
  • [[Silicon]] atoms (Si) enlarged about 45,000,000x.
SEMICONDUCTOR–SEMICONDUCTOR JUNCTION, FORMED AT THE BOUNDARY BETWEEN A P-TYPE AND N-TYPE SEMICONDUCTOR
P-N junction; Reverse bias; Reverse-biased; Idiot Diode; P–N junction; PN junction; Pn junction; Pn-junction; Single-junction cell; P-n; Semiconductor junction; Pn Junction; Formation of a p-n Junction; P-n junction
¦ noun Electronics a boundary between p-type and n-type material in a semiconductor device, functioning as a rectifier.

Wikipedia

P. N. Review

PN Review is a periodic publication in the United Kingdom, on the subject of poetry. Each issue includes an editorial, letters, news and notes, articles, interviews, features, poems, translations, and a substantial book review section. It is indexed by the Modern Language Association.

In 1973, PN Review launched as a twice-yearly hardback under the title Poetry Nation, founded by Michael Schmidt and Professor Brian Cox at the Victoria University of Manchester. It began being published quarterly in 1976 as an A4 paperback. At this time, the title changed to PN Review, and Cox and Schmidt were joined on the editorial board by Professor Donald Davie and C. H. Sisson. Brian Cox retired, followed some years later by Donald Davie and C.H. Sisson. Since 1981, it has been published six times per year. Two hundred and twenty-five issues of the magazine appeared as of the September–October 2015 number.