Written and edited by a team of experts in the field, this important new volume broadly covers the design and applications of metal oxide semiconductor field effect transistors.
Table of ContentsPreface
1. Subthreshold Transistors: Concept and TechnologyBall Mukund Mani Tripathi
1.1 Introduction
1.2 Major Sources of Leakage and Possible Methods of Prevention
1.2.1 Leakage Mechanisms in MOS Transistors
1.2.1.1 Current I1
1.2.1.2 Current I2
1.2.1.3 Current I3
1.2.1.4 Current I4
1.2.1.5 Current I5
1.2.1.6 Current I6
1.2.2 Leakage Reduction Techniques
1.2.2.1 Leakage Reduction by Channel Processing
1.2.2.2 Leakage Reduction Through Different Circuit Techniques
1.2.2.3 Scaling of Supply Voltage
1.3 Possibilities and Challenges
1.4 Conclusions
References
2. Introduction to Conventional MOSFET and Advanced Transistor TFETM. Saravanan, K. Ramkumar, Eswaran Parthasarathy, J. Ajayan and S. Sreejith
2.1 Introduction
2.2 Device Structure
2.3 TFET Principle of Operation
2.3.1 OFF State
2.3.2 ON State
2.4 Material Characterization
2.4.1 Group IV Materials
2.4.2 Group III-V Materials
2.4.3 Heterostructures
2.4.4 2D Materials
2.5 Characteristics of TFET
2.5.1 Subthreshold Swing
2.5.2 ION/IOFF Ratio
2.5.3 Ambipolar Effect
2.6 Comparison of OFF-State Characteristics
2.7 Phonon Scattering’s Impact
2.8 ON-State Performance Comparison
2.9 Performance Analysis Based on Intrinsic Delay
2.10 Bandgap’s Effect on Device Performance
2.11 MOSFET and TFET Scaling Behaviour
2.12 Surface Potential of an N-TFET and N-MOSFET
2.13 Professional Advantages of TFET over MOSFET
2.14 Conclusion
References
3. Operation Principle and Fabrication of TFETMekonnen Getnet Yirak and Rishu Chaujar
3.1 Introduction
3.2 Planar MOSFET’s Limitations
3.2.1 Effects of Short Channels
3.3 Demand for Low Power Operation
3.4 TFET: Operation Principle of TFET
3.5 TFET: Recent Design Issues in TFET
3.5.1 TFET: Subthreshold Swing Perspective
3.5.2 TFET: Power Consumption Perspective
3.6 TFET: Modeling and Application
3.6.1 TFET: Modeling
3.6.2 TFET: Application
3.7 TFET: Fabrication Perspective
3.8 TFET: Applications and Future of Low-Power Electronics
3.9 Expected Challenges in Replacing MOSFET with TFET
3.10 Conclusion
References
4. Mathematical Modeling of TFET and Its Future Applications: Ultra Low‑Power SRAM Circuit and III-IV TFETNayana G H and P. Vimala
4.1 Introduction
4.2 Modeling Approaches
4.2.1 Atomistic Modeling
4.2.2 Analytical Modeling
4.3 Structure
4.3.1 Effect Transistor
4.3.2 Compact Models
4.4 Applications of Tunnel Field-Effect Transistor
4.4.1 TFET for Biosensor Applications
4.4.2 TFET-Based Memory Devices
4.4.3 TFETs for Mixed Signal Applications
4.4.4 TFETs for Analog/RF Applications
4.4.5 TFETs for Low-Power Applications
4.5 Road Ahead for Tunnel Field Effect Transistors
References
5. Analysis of Channel Doping Variation on Transfer Characteristics to High Frequency Performance of F-TFETPrabhat Singh and Dharmendra Singh Yadav
5.1 Introduction
5.2 Simulated Device Structure and Parameters
5.3 DC Characteristics
5.4 Analysis of Analog/RF FOMs
5.5 Conclusion
References
6. Comparative Study of Gate Engineered TFETs and Optimization of Ferroelectric Heterogate TFET StructureSusmitha Kothapalli, Zohmingliana and Brinda Bhowmick
6.1 Introduction
6.2 Study of Different TFET Structures
6.2.1 Simulation Configuration
6.2.2 Comparison of Electrical Parameters of Different Structures of TFET
6.3 Proposed Structure
6.4 Results and Discussion
6.4.1 2-D Model for Surface Potential
6.4.2 Study of Electrical Characteristics
6.4.2.1 Average Subthreshold Swing and ION/IOFF
6.4.2.2 DIBL
6.4.2.3 RDF Effect
6.4.2.4 Temperature Dependence
6.4.2.5 Study of Interface Traps
6.4.3 Memory Window
6.5 Conclusion
6.6 Future Scope
References
7. State of the Art Tunnel FETs for Low Power Memory ApplicationsArun A. V., Sreelekshmi P. S. and Jobymol Jacob
7.1 Static Random Access Memory
7.1.1 Working of 6T-SRAM Cell
7.1.1.1 Read Operation
7.1.1.2 Write Operation
7.2 Performance Parameters of SRAM Cell
7.3 TFET-Based SRAM Cell Design
7.3.1 6T SRAM Designs
7.3.2 7T- SRAM Cell Design
7.3.3 8T- SRAM Cell
7.3.4 10 T- SRAM Cell
7.3.5 SRAM Cell Design Based on Negative Differential Resistance Property
7.4 Conclusion
References
8. Epitaxial Layer-Based Si/SiGe Hetero-Junction Line Tunnel FETs: A Physical InsightAbhishek Acharya, Sourabh Panwar, Shobhit Srivastava and Shashidhara M.
8.1 Fundamental Limitation of CMOS: Tunnel FETs
8.2 Working Principle of Tunnel FET
8.3 Point and Line TFETs: Tunneling Direction
8.4 Perspective of Line TFETs
8.4.1 Planar Line Tunnel FETs
8.4.2 3D Line TFETs
8.5 Analytical Models of Line TFETs
8.6 Line TFETs for Analog & Digital Circuits Design
8.7 Other Steep Slope Devices
8.8 Conclusion
References
9. Investigation of Thermal Performance on Conventional and Junctionless Nanosheet Field Effect TransistorsSresta Valasa, Shubham Tayal and Laxman Raju Thoutam
9.1 Introduction
9.2 Device Simulation Details
9.3 Results and Discussion
9.3.1 Comparison of Thermal Characteristics of Conventional (CL) and Junctionless (JL) NSFET
9.3.2 Comparison of Thermal Performance of High-k Gate Dielectrics for CL NSFET and JL NSFET
9.3.3 Comparison of Thermal Performance of Spacer Dielectrics for CL NSFET and JL NSFET
9.4 Conclusion
Acknowledgement
References
10. Introduction to Newly Adopted NCFET and Ferroelectrics for Low-Power ApplicationShelja Kaushal
10.1 Introduction
10.2 NCFET and Its Design Constraints
10.2.1 Ferroelectric Materials
10.2.2 NCFET Structure
10.2.3 Capacitance Matching and Ferroelectric Parameters
10.3 NCFET for Low-Power Applications
10.3.1 NCFET for Circuit and System Design
10.3.2 Impact of Process Variations on NCFET
10.3.3 Analytical Models for NCFET
10.4 Summary
References
11. Application of Ferroelectrics: Monolithic-3D Inference Engine with IGZO Based Ferroelectric Thin Film Transistor SynapsesSourav De, Maximilian Lederer, Yannick Raffel, David Lehninger, Sunanda Thunder, Michael P.M. Jank, Tarek Ali and Thomas Kämpfe
11.1 Introduction
11.2 Ferroelectricity in Hafnium Oxide
11.2.1 Thermodynamic and Kinetic Origin of the Ferroelectric Phase
11.2.2 Microstructure-Based Variability in Ferroelectric Response
11.3 IGZO Based Ferroelectric Thin Film Transistor
11.3.1 Integration and Performance of FeTFT Devices
11.3.2 Characterization of FeTFT-Based Neuromorphic Devices
11.4 Applications in Neural Networks
11.4.1 Monolithic 3D Inference Engine
11.5 Conclusion
References
12. Radiation Effects and Their Impact on SRAM Design: A Comprehensive Survey with Contemporary ChallengesY. Alekhya, Umakanta Nanda and Chandan Kumar Pandey
12.1 Introduction
12.2 Literature Survey
12.3 Impact of Radiation Effects on Sram Cells
12.4 Results and Discussion
12.5 Conclusion
Declarations
Data Availability
References
13. Final Summary and Future of Advanced Ultra Low Power Metal Oxide Semiconductor Field Effect TransistorsYoung Suh Song, Shiromani Balmukund Rahi, Shahnaz Kossar, Abhishek Kumar Upadhyay, Shubham Tayal, Chandan Kumar Pandey and Biswajit Jena
13.1 Introduction
13.2 Challenges in Future Ultra-Low Power Semiconductors
13.3 Conclusion
References
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