Share this entry

Share this page

work function

División en sílabas: work func·tion

Definición de work function en inglés:

sustantivo

Physics
The minimum quantity of energy that is required to remove an electron to infinity from the surface of a given solid, usually a metal. (Symbol: φ)
Example sentences
  • The energy required to remove an electron from the metal is called the work function, which is written as hv (Planck's constant multiplied by the required frequency of light).
  • When we heard that a filament of platinum - which, like tungsten, is a metal with a high work function - tended to show less positive-ion noise, Sheldon obtained a sample.
  • The high current density is possible because the p-doped WBG region acts as a negative electron affinity material when in contact with low work function metals.

Definición de work function en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día cumbersome
Pronunciación: ˈkʌmbəs(ə)m
adjective
large or heavy and therefore difficult to carry…