High k Gate Dielectrics  book cover
1st Edition

High k Gate Dielectrics

Edited By

Michel Houssa

ISBN 9780367454449
Published December 18, 2020 by CRC Press
614 Pages

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Book Description

The drive toward smaller and smaller electronic componentry has huge implications for the materials currently being used. As quantum mechanical effects begin to dominate, conventional materials will be unable to function at scales much smaller than those in current use. For this reason, new materials with higher electrical permittivity will be required, making this is a subject of intensive research activity within the microelectronics community.

High k Gate Dielectrics reviews the state-of-the-art in high permittivity gate dielectric research. Consisting of contributions from leading researchers from Europe and the USA, the book first describes the various deposition techniques used for construction of layers at these dimensions. It then considers characterization techniques of the physical, chemical, structural, and electronic properties of these materials. The book also reviews the theoretical work done in the field and concludes with technological applications.

Table of Contents

The need for high-k gate dielectrics and materials requirement
Deposition techniques
Physico-chemical characterization
X-ray and electron spectroscopies
Oxygen diffusion and thermal stability
Defect characterization by ESR
Band alignment determined by photo-injection
Electrical characteristics
Theory of defects in high-k materials
Bonding constraints and defect formation at Si/high-k interfaces
Band alignment calculations
Electron mobility at the Si/high-k interface
Model for defect generation during electrical stress
Technological aspects
Device integration issues
Device concepts for sub-100 nm CMOS technologies
Transistor characteristics
Nonvolatile memories based on high-k ferroelectric layers

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Michel Houssa Laboratoire Materiaux et Microelectronique de Provence, Universite de Provence, France Silicon Processing and Device Technology Division, IMEC, Belgium