UGC NET: Intrinsic and Extrinsic Semiconductors
A semiconductor material in its pure form is called an intrinsic semiconductor. To be classified thus, its impurity content should be less than 1 part in 100 million parts of… Read more »
Tag: NET
UGC NET: Bandgap
In the Energy band image above, there are certain energy ranges where no electron states can exist. e.g. Between band1 and band2, there is a range of energy states which… Read more »
UGC NET: Energy Bands in Solids
The electrons in a free atom can only have discrete energy levels. An electron farthest from the nucleus has the highest energy. The farther the electrons are, less the energy… Read more »