-
Thermionic emission is the
liberation of
charged particles from a hot
electrode whose thermal energy gives some
particles enough kinetic energy to escape...
- A
vacuum tube,
electron tube,
thermionic valve (British usage), or tube (North America) is a
device that
controls electric current flow in a high vacuum...
-
materials such as
gallium ****nide and
germanium are also used. The
obsolete thermionic diode is a
vacuum tube with two electrodes, a
heated cathode and a plate...
- A
thermionic converter consists of a hot
electrode which thermionically emits electrons over a
potential energy barrier to a
cooler electrode, producing...
-
generating a
detector response. Nitrogen–phosphorus
detector (NPD), a form of
thermionic detector where nitrogen and
phosphorus alter the work
function on a specially...
-
graduate student,
later described in his
doctoral dissertation (1937) as a
thermionic trigger. It was a
direct result of Schmitt's
study of the
neural impulse...
- The
Schottky effect or
field enhanced thermionic emission is a
phenomenon in
condensed matter physics named after Walter H. Schottky. In
electron emission...
- in the
vacuum are
excluded in
defining the work function.
Thermionic emission In
thermionic electron guns, the work
function and
temperature of the hot...
- The nitrogen–phosphorus
detector (NPD) is also
known as
thermionic specific detector (TSD) is a
detector commonly used with gas chromatography, in which...
- tubes, a hot
cathode or
thermionic cathode is a
cathode electrode which is
heated to make it emit
electrons due to
thermionic emission. This is in contrast...