Foreword |
|
vii | |
Preface |
|
xi | |
|
|
xiii | |
|
1 Overview of CMOS Technology |
|
|
1 | (50) |
|
|
1 | (2) |
|
1.2 MOS Transistor: A Quick Introduction to Classical Models |
|
|
3 | (6) |
|
1.2.1 Current-Voltage Characteristics |
|
|
3 | (3) |
|
|
6 | (3) |
|
1.3 Short-Channel Effects and Short-Channel Modifications |
|
|
9 | (13) |
|
1.3.1 Effect on I-V Characteristics |
|
|
10 | (1) |
|
1.3.2 Subthreshold Conduction |
|
|
11 | (2) |
|
1.3.3 Short-Channel Effects |
|
|
13 | (2) |
|
1.3.3 Threshold Voltage Roll-Off |
|
|
15 | (1) |
|
1.3.4 Drain-Induced Barrier Lowering (DIBL) |
|
|
15 | (2) |
|
1.3.5 Gate Leakage Current |
|
|
17 | (1) |
|
|
18 | (1) |
|
1.3.5.2 Fowler-Nordheim Tunneling |
|
|
19 | (1) |
|
1.3.5.3 Poole-Frenkel Emission and Trap-Assisted Tunneling |
|
|
20 | (2) |
|
1.4 Features and Uniqueness of MOS Transistor |
|
|
22 | (2) |
|
1.5 MOS in Deca-Nanometer |
|
|
24 | (6) |
|
1.6 Technology Trends and Options |
|
|
30 | (13) |
|
|
30 | (1) |
|
|
31 | (1) |
|
1.6.2.1 Device Structures |
|
|
32 | (2) |
|
1.6.2.2 Channel Engineering |
|
|
34 | (3) |
|
1.6.2.3 Source and Drain Engineering |
|
|
37 | (1) |
|
1.6.2.4 Gate Stack Engineering |
|
|
38 | (3) |
|
|
41 | (2) |
|
|
43 | (1) |
|
|
44 | (7) |
|
|
51 | (62) |
|
|
51 | (3) |
|
2.2 Electronic Structure of Transition Metals and Rare Earth Metals |
|
|
54 | (3) |
|
|
54 | (2) |
|
|
56 | (1) |
|
2.3 Material Properties of Elemental Transition Metal and Rare Metal Oxides |
|
|
57 | (17) |
|
2.3.1 Atomic and Electronic Structures |
|
|
57 | (5) |
|
2.3.2 Electronic Structure of Some High-k Oxides |
|
|
62 | (1) |
|
2.3.2.1 Electronic Structure of Aluminum Oxide |
|
|
62 | (2) |
|
2.3.2.2 Electronic Structure of Crystalline Hafnium Oxide |
|
|
64 | (3) |
|
2.3.2.3 Electronic Structure of Crystalline Zirconium Oxide |
|
|
67 | (1) |
|
2.3.2.4 Electronic Structure of Rare Earth Metal Oxides |
|
|
68 | (6) |
|
2.4 Bandgap and Band Offset Energies |
|
|
74 | (3) |
|
2.5 Bond Ionicity and Dielectric Constant |
|
|
77 | (2) |
|
2.6 Carrier Effective Masses |
|
|
79 | (2) |
|
|
81 | (5) |
|
|
81 | (2) |
|
2.7.2 Decomposition and Si Out-Diffusion |
|
|
83 | (3) |
|
2.8 Disorders and Defects |
|
|
86 | (18) |
|
2.8.1 Intrinsic Oxygen Vacancies |
|
|
88 | (6) |
|
2.8.2 Oxygen Interstitials |
|
|
94 | (2) |
|
2.8.3 Grain Boundary States |
|
|
96 | (1) |
|
|
97 | (6) |
|
2.8.5 High-k/Si Interface Traps |
|
|
103 | (1) |
|
|
104 | (1) |
|
|
105 | (8) |
|
3 Complex Forms of High-k Oxides |
|
|
113 | (26) |
|
|
113 | (1) |
|
3.2 Silicates and Aluminates Pseudo-Binary Alloys |
|
|
114 | (4) |
|
3.3 Stoichiometric Binary Alloys |
|
|
118 | (2) |
|
|
120 | (8) |
|
3.5 Thermal Stability and Phase Separation |
|
|
128 | (2) |
|
|
130 | (4) |
|
|
134 | (5) |
|
|
139 | (28) |
|
|
139 | (1) |
|
4.2 High-k/Silicon Interface |
|
|
140 | (14) |
|
4.2.1 Interfacial Bonding |
|
|
140 | (8) |
|
4.2.2 Bond Strain, Relaxation, and Phase Diagrams |
|
|
148 | (4) |
|
|
152 | (2) |
|
4.3 High-k/Metal Interface |
|
|
154 | (7) |
|
|
154 | (2) |
|
4.3.2 Band Offset Energies |
|
|
156 | (1) |
|
4.3.3 Interface Stability |
|
|
157 | (4) |
|
|
161 | (1) |
|
|
161 | (6) |
|
5 Impacts on Device Operation |
|
|
167 | (36) |
|
|
167 | (1) |
|
|
167 | (6) |
|
5.2.1 Current Conduction Mechanisms |
|
|
168 | (3) |
|
5.2.2 Parameters Governing the Charge Transport |
|
|
171 | (2) |
|
5.3 Threshold Voltage Control and Fermi-Level Pinning |
|
|
173 | (7) |
|
|
180 | (2) |
|
5.5 Subthreshold Characteristics |
|
|
182 | (4) |
|
|
186 | (3) |
|
|
189 | (4) |
|
5.8 Temperature Instabilities |
|
|
193 | (3) |
|
|
196 | (1) |
|
|
196 | (7) |
|
|
203 | (18) |
|
|
203 | (4) |
|
6.2 Atomic Layer Deposition |
|
|
207 | (4) |
|
6.3 Metal Organic Chemical Vapor Deposition |
|
|
211 | (1) |
|
6.4 Physical Vapor Deposition |
|
|
212 | (1) |
|
|
213 | (2) |
|
|
215 | (1) |
|
|
215 | (6) |
|
|
221 | (4) |
Appendix A Fundamental Physical Constants and Unit Conversions |
|
225 | (2) |
Appendix B Properties of Si and SiO2 |
|
227 | (2) |
Index |
|
229 | |