Johnsen–Rahbek effect

The Johnsen–Rahbek effect occurs when an electric potential is applied across the boundary between a metallic surface and the surface of a semiconducting material or a polyelectrolyte. Under these conditions an attractive force appears, whose magnitude depends on the voltage and the specific materials involved. The attractive force is much larger than would be produced by Coulombic attraction.

The effect is named after Danish engineers F. A. Johnsen and K. Rahbek, the first to investigate the effect at length.

References

External links

{{cite journal | last1 = Johnsen | first1 = A. | last2 = Rhabek | first2 = K | title = A physical phenomenon and its applications to telegraphy, telephony, etc | journal= Journal of the Institution of Electrical Engineers | pages = 713–725 | year= 1923| volume = 61 | issue = 320 | doi = 10.1049/jiee-1.1923.0092 }}
{{cite journal | last1= Levine | first1 = D. J. | last2 = Turner | first2 = K. T. | last3 = Pikul | first3 = J.H. | title = Materials with electroprogrammable stiffness | journal= Advanced Materials | volume = 33 | issue = 35 | page = 2007952 | year = 2021 | doi = 10.1016/j.eml.2023.101999 | doi-access = free }}
{{cite journal | last=Fitch | first=C. J. | title=Development of the Electrostatic Clutch | journal=IBM Journal of Research and Development | publisher=IBM | volume=1 | issue=1 | year=1957 | issn=0018-8646 | doi=10.1147/rd.11.0049 | pages=49–56}}
[https://web.archive.org/web/20160303174301/http://edison.rutgers.edu/loud.htm "Edison's Loud-Speaking Telephone"]
{{cite journal | last=Atkinson | first=R | title=A simple theory of the Johnsen-Rahbek effect | journal=Journal of Physics D: Applied Physics | publisher=IOP Publishing | volume=2 | issue=3 | date=1969-03-01 | issn=0022-3727 | doi=10.1088/0022-3727/2/3/303 | pages=325–332| bibcode=1969JPhD....2..325A | s2cid=250802571 }}

Category:Electrical engineering

Category:Classical mechanics