Ch. 12. The Solid StateCh. 12. The Solid Stateocw.snu.ac.kr/sites/default/files/NOTE/839.pdf ·...
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Transcript of Ch. 12. The Solid StateCh. 12. The Solid Stateocw.snu.ac.kr/sites/default/files/NOTE/839.pdf ·...
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Seoul National University NRL HoloTech
Ch. 12. The Solid StateCh. 12. The Solid State
이 병 호서울대 전기공학부[email protected]
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Seoul National University NRL HoloTech
Fig. 12-1, p.405
Ionic SolidIonic Solid
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Fig. 12-2, p.406
2
Madelung constant
total m
e BU kr r
α
α
= − +
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Fig. 12-3, p.408
Covalent SolidCovalent Solid
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Fig. 12-4, p.409
Metallic SolidMetallic Solid
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Fig. 12-5, p.410
Amorphous SolidAmorphous Solid
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Fig. 12-11, p.415
Ohm’s LawOhm’s Law
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Fig. 12-12, p.416
Ohm’s LawOhm’s Law
V IRσ
==J E
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Ohm’s LawOhm’s Law
2
2
1 32 2
3
mean free pathmean free time
e B
Brms
e
rms
m v k T
k Tv vm
L
L vτ
τ
=
= =
=
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Seoul National University NRL HoloTech
Ohm’s LawOhm’s Law
( )2 2 2 21 2 3
2
2 2
2 2
2
22
drift speed
b
e
e
d
de
as t t t t
eEamas b t
t
eEs ab bm
s v beEvm
τ
τ τ
ττ
= + + + ⋅⋅⋅ +
=
=
=
= =
=
=
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Ohm’s LawOhm’s Law
2
2 2
2
conductivity
Using Maxwell-Boltzmann rms thermal speed,
31 resistivity
de
e e rms
B e
neJ nev Em
ne ne Lm m v
ne Lk Tm
τ
τσ
σ
ρσ
= =
= =
=
=
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Table 12-5, p.414
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Table 12-7, p.420
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Fig. 12-14, p.421
Quantum Theory of MetalsQuantum Theory of Metals
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Quantum Theory of MetalsQuantum Theory of Metals
2
2
2
12
e F
F e F
e F
ne Lm v
E m v
m vLne
σ
σ
=
=
=
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Fig. 12-16, p.426
Energy BandEnergy Band
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Fig. 12-17, p.426
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Fig. 12-18, p.426
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Fig. 12-19, p.427
MetalMetal
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Fig. 12-20, p.428
InsulatorInsulator
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Table 12-8, p.428
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Seoul National University NRL HoloTechFig. 12-21, p.428
SemiconductorSemiconductor
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Fig. 12-22, p.429
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Fig. 12-23, p.430
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Fig. 12-24, p.430
2 1,2,3,2
a n nnka
λπ πλ
= ± = ⋅⋅⋅
= = ±
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Fig. 12-25, p.432
2
2 2
1 1
1e
g
Em k
Evk
∂=
∂
∂=
∂
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Fig. 12-26, p.432
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Fig. 12-27, p.433
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Fig. 12-28, p.434
Ch. 12. The Solid StateCh. 12. The Solid State
