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Full Description
Thermal Management of Gallium Nitride Electronics outlines the technical approaches undertaken by leaders in the community, the challenges they have faced, and the resulting advances in the field. This book serves as a one-stop reference for compound semiconductor device researchers tasked with solving this engineering challenge for future material systems based on ultra-wide bandgap semiconductors. A number of perspectives are included, such as the growth methods of nanocrystalline diamond, the materials integration of polycrystalline diamond through wafer bonding, and the new physics of thermal transport across heterogeneous interfaces.
Over the past 10 years, the book's authors have performed pioneering experiments in the integration of nanocrystalline diamond capping layers into the fabrication process of compound semiconductor devices. Significant research efforts of integrating diamond and GaN have been reported by a number of groups since then, thus resulting in active thermal management options that do not necessarily lead to performance derating to avoid self-heating during radio frequency or power switching operation of these devices. Self-heating refers to the increased channel temperature caused by increased energy transfer from electrons to the lattice at high power. This book chronicles those breakthroughs.
Contents
1. Heating issues in wide-bandgap semiconductor devices
2. First principles thermal transport in GaN and related materials
3. Heat transport in polycrystalline diamond from the meso to the nano scale
4. Understanding Thermal Transport across Interfaces
5. Upper limits to thermal conductance across gallium nitride interfaces: predictions and measurements
6. AlGaN/GaN HEMT Device Physics and Electro-Thermal Modeling
7. Modeling of thermal phenomena in GaN devices
8. Device-level modeling and simulation of AlGaN/GaN HEMTs
9. Gate Resistance Thermometry: an electrical thermal characterization technique
10. Thermal characteristics of superlattice castellated FETs
11. The transient Thermoreflectance Approach for high-resolution temperature mapping of GaN devices
12. Fundamentals of CTE-matched QST substrate technology
13. Reduced-Stress Nanocrystalline Diamond for Heat Spreading in Electronic Devices
14. GaN-on-diamond materials and device technology: a review
15. Three-Dimensional Integration of Diamond and GaN
16. Room-Temperature Bonded Thermally Conductive Semiconductor Interfaces
17. Direct low-temperature bonding of AlGaN/GaN thin film devices onto diamond substrates
18. Microfluidic cooling for GaN electronic devices
19. Thermal Effects in Ga2O3 Rectifiers and MOSFETs-Borrowing from GaN
