Ee2072 L226 Semiconductors

Content 1.ObjectivePage 2 2.Equipment and Components 2 3.Introduction 3 4.Four-Point examine 4 4.1Theory 4 4.2 prove 7 4.2.1Four-Point Probe Station 4.2.2Four-Point Probe Measurement 4.2.3Discussion 5. dorm personnel 11 5.1Theory 5.2Experiment 5.2.1 mansion Effect Measurement 5.2.2Discussion 6.Advantages and Disadvantages 15 6.1Four-point probes measurement 6.2Hall force-out measurement 7.Photoconductivity of Light interdependent Resitor (LDR) 16 1. Theory 2. Experiment 8.Conclusion 20 9.Appendix 21 1Objective The objectives of the experimentation are: a) development the four-point probe technique to forge the resistor, dross concentration and aircraft carrier vibrate mobility of silicon ensamples. b) Using Hall effect measurement to cook the dopant/carrier type, Hall coefficient, carrier concentration, conductivity and carrier mobility of atomic number 32 samples.

c) To study the photoconductivity of a Light Dependent resistivity (LDR) 2Equipment and components Four-point probe station Electromagnet digital gaussmeter extension measurement unit Digital multimeter DC power supply Silicon wafers (x2) attach germanium samples (x2) 3 Introduction galvanizing characterization of worldlys evolved in tierce levels of understanding. In the proto(prenominal) 1800s, the underground R and conductance G were treated as measured physical quantities procurable from two-terminal I-V measurements (i.e. current I, voltage V). una deal sample shapes gave different resistance values. This led to the understanding (second level) that an inborn material property like resistivity (or conductivity) is...If you want to admit a full essay, found it on our website: Orderessay

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