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17 Terms

1
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Separation of LEED spots on a screen

l=distance electron travels, a=distance between surface atoms

2
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Polanyi-Wigner equation

3
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Redhead equation

4
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XPS KE

5
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AES KE

6
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Work function change

7
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Electron escape depths

d=film thickness, l=escape energy

8
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Electron tunneling current

9
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Inverse decay length

10
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Potential energy of AFM interaction

A_H=Hamaker constant, R=radius of afm tip curvature, z=tip-sample distance

11
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Force of AFM interaction

A_H=Hamaker constant, R=radius of afm tip curvature, z=tip-sample distance

12
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Collision Rate

p=pressure (Pa)

13
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Sticking Probability

s=number of successful hits/total number of hits

14
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Sticking Rate

Collision Rate * Sticking Probability

15
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Surface Energy

N_B=min bonds broken, N_s=surface density, epsi_0=energy per bond

16
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Energy per bond

17
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Polanyi-Wigner Equation Rearr.