Mainly Lorentz force is responsible for Hall effect.All of we know that when we place a current carrying conductor inside a magnetic field, the conductor experiences a mechanical force to a direction depending upon the direction of magnetic field and the direction of current in the conductor. The Hall voltage in a semiconductor will be measured in the magnetic field of a large electromagnet. In last post HALL EFFECT IN n TYPE SEMICONDUCTOR and HALL EFFECT IN p-TYPE SEMICONDUCTORS ,we have studied HALL effect in n-type and p-type semiconductors In this article we will familiar with hall effect in Intrinsic semiconductors Since mobility of electrons is higher than that of mobility of holes so more number of electron will accumulate at surface […] The Hall coefficient obtained may be used to determine the density of the charge carriers, and may be combined with … • One of the simplest of all magnetic sensing devices • Used extensively in sensing position and measuring magnetic fields Hall effect sensors • Hall effect was discovered in 1879 by Edward H. Hall • Exists in all conducting materials • Is particularly pronounced and useful in semiconductors. Explanation of Hall Effect. Hall Effect!?! Hence each carrier scatters and loses its energy. Utilizing the Hall effect to measure blood flow. The electric current means a flow of charge. The Hall Effect 1 Background In this experiment, the Hall Effect will be used to study some of the physics of charge transport in metal and semiconductor samples. 1879 By Edwin Hall Conductor Or Semiconductor With Current PPT Presentation Summary : Hall Effect!?! Figure 3. The magnetic field B z is out from the plane of the paper. A Hall effect transducer measuring small distances. According to the electric field and magnetic field the charge carriers which are moving in the medium experience some resistance because of scattering between carriers and impurities, along with carriers and atoms of material which are undergoing vibration. Consider a piece of metal is placed in magnetic field. Both electrons and holes are deflected toward the bottom surface of the conductor and consequently the Hall volt age depends on the relative mobilities Hall Effect for Semiconductors Hall effect for ambipolar conduction as in a semiconductor where there are both electrons and holes. Hall Effect in Metals and Semiconductor. • This gives a relation in between hall constant, conductivity and Mobility of charge carriers. Thus, Hall effect gives following information; • The sign of the current carrying charges, • Number of charge carriers per unit volume which can be calculated from the magnitude of hall constant R , Definition: When a piece of metal or semiconductor is placed in magnetic field, more precisely in transverse magnetic field, and direct current is allowed to pass through it, then the electric field gets developed across the edges of metal or semiconductor specimen. 1879 by Edwin Hall Conductor or semiconductor with current flowing in one direction was introduced perpendicular to a magnetic field a voltage Figure 2. The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor, transverse to an electric current in the conductor and to an applied magnetic field perpendicular to the current. This phenomenon is called Hall Effect..

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