diffusion theory

diffusion theory

[də′fyü·zhən ‚thē·ə·rē]
(electricity)
The theory that in semiconductors, where there is a variation of carrier concentration, a motion of the carriers is produced by diffusion in addition to the drift determined by the mobility and the electric field.
References in periodicals archive ?
This study is supported by three streams of research: electronic supply chain links, corporate supplier diversity programs, and innovation diffusion theory.
According to this norm diffusion theory, human rights advocates who focus on persuasion and primarily target decisionmakers have it all wrong.
Analytical solutions to Eqn 2 are available for 1-, 2-, and 3-group diffusion theory, assuming a point source situated in an infinite homogeneous medium (Olgaard 1965).
These factors can be seen as elaborating and complementing the decision and implementation stages of Rogers's (1995) diffusion theory.
He does so, after an opening chapter proposing the field of sociology of missions, by dealing with major areas of concern in sociology: social change theory, diffusion theory, missionaries and missions (a neglected field, he points out), religious movements, intergroup relations and social identity, sociology of religion, and several others.
Diffusion theory models of pulse oximetry often rely on the rapid conversion of parallel incident light to an isotropic point source a short distance beneath the tissue surface (4).
A diffusion theory framework is used to analyse the influences of the perceived attributes, communication channels and a range of contextual variables at two separate stages of the consumer decision process.
The innovation diffusion theory provides a general framework in which to understand why some users adopt new technologies more quickly than others.
One of the guys who's big on diffusion theory says if you add a quadrupole, you get one pole fatter.
Improving the state of health programming by using diffusion theory.
In Roger's (1962) and Moore and Benbasat's (1991) Innovation Diffusion Theory (IDT), relative advantage, ease of use, and image are postulated to influence individual technology acceptance.

Full browser ?