Determine the grating element of diffraction grating using laser beam
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p-n Junction Diode and Its Formation
A p–n junction diode is one of the most fundamental semiconductor devices because it allows current to flow mainly in
Minority Carrier Concentration in Semiconductors
In an extrinsic semiconductor, two types of charge carriers exist: majority carriers and minority carriers. The majority carriers are produced
Carrier Transport in Semiconductors
(Drift Current, Diffusion Current, and Total Current) In a semiconductor, electrical current flows due to the motion of charge carriers,
Charge Neutrality Condition in Semiconductors
In a semiconductor, electrical conduction occurs due to the motion of electrons and holes. When a semiconductor is doped with
Law of Mass Action in Semiconductors
In semiconductors, electrical conduction depends on the concentration of charge carriers, namely electrons and holes. When a semiconductor is in
Variation of Fermi Level in semiconductors (Intrinsic and Extrinsic)
The Fermi level is one of the most important concepts in semiconductor physics because it determines the carrier concentration and
Fermi Level in Intrinsic and Extrinsic Semiconductors
In semiconductor physics, merely knowing the energy band structure is not sufficient to understand electrical behavior. We must
Carrier Concentration in Extrinsic Semiconductors
Extrinsic carrier concentration refers to the number of free electrons or holes in a semiconductor after adding impurity atoms
Carrier Concentration in Intrinsic Semiconductors
In semiconductors, electrical conduction depends on the number of charge carriers available for motion. These carriers are: Electrons in the
Doped (Extrinsic) Semiconductors: n-Type and p-Type Semiconductors
An intrinsic semiconductor has very low electrical conductivity at room temperature because the number of charge carriers
Intrinsic Semiconductor
In solid-state physics, semiconductors occupy a special position between conductors and insulators. Among semiconductors, the simplest and most fundamental
Concept of Fermi Level
In the study of solid-state physics, especially semiconductors, we often ask an important question:Which electrons will actually take part in
Types of Electronic Materials on the Basis of Energy Band Theory
Electronic materials are the backbone of modern electrical and electronic systems. From simple connecting wires to complex
Formation of Energy Bands in Solids (Energy Level Approach)
Formation of Energy Bands in Solids (Energy Level Approach) In atomic physics, we learn that electrons in an atom can