Nanophononics

Thermal Generation, Transport, and Conversion at the Nanoscale

Zlatan Aksamija

• Publisher: Jenny Stanford Publishing
• Year: 2017
• ISBN:
  9781351609432
• Edition: 1
• Topic: Physical Sciences
• Subtopic: Physics
• Index: Physics

Heat in most semiconductor materials, including the traditional group IV elements (Si, Ge, diamond), III–V compounds (GaAs, wide-bandgap GaN), and carbon allotropes (graphene, CNTs), as well as emerging new materials like transition metal dichalcogenides (TMDCs), is stored and transported by lattice vibrations (phonons). Phonon generation through interactions with electrons (in nanoelectronics, power, and nonequilibrium devices) and light (optoelectronics) is the central mechanism of heat dissipation in nanoelectronics.

This book focuses on the area of thermal effects in nanostructures, including the generation, transport, and conversion of heat at the nanoscale level. Phonon transport, including thermal conductivity in nanostructured materials, as well as numerical simulation methods, such as phonon Monte Carlo, Green's functions, and first principles methods, feature prominently in the book, which comprises four main themes: (i) phonon generation/heat dissipation, (i) nanoscale phonon transport, (iii) applications/devices (including thermoelectrics), and (iv) emerging materials (graphene/2D). The book also covers recent advances in nanophononics—the study of phonons at the nanoscale. Applications of nanophononics focus on thermoelectric (TE) and tandem TE/photovoltaic energy conversion. The applications are augmented by a chapter on heat dissipation and self-heating in nanoelectronic devices. The book concludes with a chapter on thermal transport in nanoscale graphene ribbons, covering recent advances in phonon transport in 2D materials.

The book will be an excellent reference for researchers and graduate students of nanoelectronics, device engineering, nanoscale heat transfer, and thermoelectric energy conversion. The book could also be a basis for a graduate special topics course in the field of nanoscale heat and energy.

Table of contents

• Cover
• Half Title
• Title Page
• Copyright Page
• Table of Contents
• Preface
• 1. Modeling Self-Heating Effects in Nanoscale Devices
• 2. Simulation of Charge and Thermal Transport
• 3. Phonon Emission and Absorption Spectra in Silicon
• 4. Device Simulation, Including the Full Phonon Dispersion
• 5. Anharmonic Decay of Nonequilibrium Intervalley Phonons in Silicon
• 6. Phonon Monte Carlo: Generating Random Variates for Thermal Transport Simulation
• 7. Hybrid Photovoltaic-Thermoelectric Solar Cells: State of the Art and Challenges
• 8. Phonon Transport Effects in Ultranarrow, Edge-Roughened Graphene Nanoribbons
• Index