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4. Label each band diagram below with an appropriate label.(4) Draw the band diagram for a p-type and n-type semiconductor(4). Briefly describe an experiment that you could perform to distinguish between a conductor and a semiconductor (they both look shiny and hard at room temperature).(2) (10 points) (d (rt o :ODH Energy
Fill in the blank: in the band diagram of a p-type semiconductor
the ???? band of the dopant is above the ???? band of the
semiconductor. Enter your answer with a comma between them (i.e.
valence,valence). Do not include a space between the answers.
Question 25 What type of semiconductor is formed when silicon is doped with arsenic? Correct 4.00 points out of 4.00 Select one: O a. n-type P Flag question O b. p-type Check Your answer is correct....
Draw the band diagram (the relative positions of conduction band
edge EC, valence band edge Ev, Fermi level EF) for the four
following cases. Clearly note EC −EF, EF −EV, Ei −EF, EG = EC −EV.
Ei is the intrinsic Fermi level. Take NC=NV =1025 m−3, EG=1.1 eV,
ni=1.5×1016 m−3, kT=0.026 eV.
(Q1.1) p-type, NA=5×1023 m−3.
(Q1.2) p-type, NA=5×1021 m−3.
(Q1.3) n-type, ND=5×1023 m−3.
(Q1.4) n-type, ND=5×1021 m−3.
Q2 Draw the band diagram (the relative positions of conduction band edge...
a3. (a) Draw a band diagram and a cross-sectional diagram of an abrupt p-n junction0Marks] with N>N at thermal equilibrium at 300K and label the following: () Diffusion currents, (i) Drift currents (ii) Fermi level, (iv) SCR, (v) QNR, (vi) Contact potential with polarity, (vi) Electric field distribution in the SCR, (vii) Electrostatic potential distribution in SCR, (ix) SCR charges, and (x) SCR penetration into the p-and n sides. (b) In a p'-n junction at 300K, the n side has...
?n-type semi-conductor contacts with aqueous electrolyte in
dark, the equilibrium condition is shown in the diagram. Please
explain what is going to happen when the system is under
illumination? Also explain why reaction is significant in Green
Chemistry.
Draw the Stick Diagram of the following Boolean Function. Identify each layer and contacts very clearly on the Stick diagram. Z (AB +C) (D+E-F) Use Euler's path for compact stick diagram. Assume all inputs A, B, C, D, E, F and their complements are available.
Draw and label (valence and conduction) a band diagram for an extrinsic semiconductor with silicon as the substrate and indium as the dopant. (Please make it as least 1/3 of a page in size.) Write down on the page whether it is an n-type or a p-type. 1 i. - BIO E % Explain briefly how you would adjust the semiconductor in the previous question if you wanted to allow a higher limiting current to pass through. (type your answer...
Draw a compact ladder logic diagram for a “push-on/push-off” program using only contacts and coils.
15. A compound has the following band diagram, with the shading representing occupancy by electrons: The solid has a completely filled lower energy band and a partially filled higher energy band. a. Predict the electrical properties of this solid on the basis of its band diagram. b. What would happen to the electrical properties of this compound if all of the electrons were removed from the conduction band and why? Would you use a chemical oxidizing agent or reducing agent...
(ii) Sketch the energy band diagram of this doped material in (i) at 0 K and identify all the important features in your diagram. (3) (iii) Now sketch the same energy band diagram as in (i) but at a temperature of 300 K. Again, label all the important features in your diagram. (3)