Carsten Aveda Institute WK3 Primary Bonding Models Lattice and Miller Worksheet please finish these two set of simple questions……………………….

Carsten Aveda Institute WK3 Primary Bonding Models Lattice and Miller Worksheet please finish these two set of simple questions…………………………………………………………………………………………. Problem worksheet for Week 2 Due Tuesday Week 3
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List primary bonding models
How do allowed energy levels of electrons relate to each bonding model?
Sketch cubic, bcc, and fcc crystal models.
Sketch cubic case of unit cell showing included atom portions only. How many
full spheres are inside the unit cell?
Describe/discuss the anticipated electronic effects that defects in crystalline
materials may have? (How might energy level populations change?)
What fundamental theorem does the relation P1V1=P2V2 describe?
PV=(N/NA)RT & KE=.5mv2=(3/2)(R/NA)T=(3/2)kT, where T represents “heat”.
Note volume is constant. How might you expect bonds to react to added heat?
e-(EA/kT) a) Describe the active terms in this relation. b) What did its namesake
accomplish such that it is forever associated with him?
Give two examples of constant temperature of something while heat is applied.
Why is each occurring?
Electronic Materials – EE Science 1
Lattice and Miller Worksheet
Use the below diagrams and the textbook to answer the questions on the
second page.
Summer 2020
1. Sketch the cubic and face-centered cubic lattice structures.
2. Given the diagram below, provide a possible explanation as to why the
(010) planes do not need unique identifiers.
3. Draw a line from the origin in the [111] direction. In a face-centered cubic
lattice, how many atoms are encountered without leaving the first unit
cell?
4. For a body-centered cubic lattice, what is the volume density (atoms/unit
volume) assuming the lattice constant is 5.4 Å.
5. For a face-centered cubic lattice, what is the surface density (atoms/unit
area) for the (111) plane assuming the same lattice constant as problem 4.
6. Silicon naturally forms a diamond lattice, which is two FCC lattices
overlaying one another. How many atoms have their center inside the
diamond lattice?
Summer 2020

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