P-type semiconductors are materials that have been doped with specific elements to create an abundance of positive charge carriers, known as "holes." These holes are created by replacing some of the silicon atoms with elements like boron or gallium, which have fewer valence electrons than silicon. As a result, the material can conduct electricity by allowing electrons to move into these holes, effectively creating a flow of positive charge. In a P-type semiconductor, the majority charge carriers are holes, while the minority carriers are electrons. This behavior is crucial in the functioning of electronic devices, such as diodes and transistors, where P-type materials are often paired with N-type semiconductors to form PN junctions. These junctions are essential for controlling electrical current in various applications.