The PN Junction. How Diodes Work? (English version)
Why the open web links it
Explains the physics and function of PN junctions and how they form the basis of diodes.
Linked by 6 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including psu.edu, hackaday.com, 41j.com, gbarc.ca, reviseomatic.org.
Cited in 1 Wikipedia article, including P–n junction.