Silica is one of the key materials in many modern technological applications. Further miniaturization of nanoelectronic devices necessitates rational design of ultrathin silica films on electrically conductive substrates. This is the first-ever book on the preparation and atomic-level description of ultrathin silica films grown on metal substrates. Experimental and theoretical studies performed in recent years provide compelling evidence of the growth of well-ordered silica films that exhibit the structural motif of sheet silicates. A growing body of research suggests that a singlelayer silicate, which received the name silicatene by analogy with the famous graphene, should be included in the family of truly two-dimensional materials. In addition, the silicate films modified with metals such as Al and Fe offer a unique possibility to study the surface structures (and hence the surface chemistry) of natural silicates, e.g., clays and zeolites. Finally, ultrathin silica films represent well-defined model systems for elucidating the mechanism of crystal-glass transitions.
Author(s): Shamil Shaikhutdinov
Publisher: Jenny Stanford Publishing
Year: 2022
Language: English
Pages: 324
City: Singapore
Cover
Half Title
Title Page
Copyright Page
Dedication
Table of Contents
Preface
Chapter 1: Silica and Silicates
1.1: Silica Polymorphs
1.2: Silica Glasses
1.3: Sheet Silicates
1.4: Framework Aluminosilicates: Zeolites
1.5: Electronic Structures of Silica
1.6: Surface Structures
Chapter 2: Preparation of Thin Oxide Films: Concepts and Toolkits
2.1: Experimental Tools for Thin-Film Characterization
2.2: Low-Energy Electron Diffraction
2.3: X-Ray Photoelectron Spectroscopy, Auger Electron Spectroscopy
2.4: Infrared Reflection Absorption Spectroscopy
2.5: High-Resolution Electron Energy Loss Spectroscopy
2.6: Scanning Tunneling Microscopy
2.7: Electron Microscopy
2.8: Film Growth: General Considerations
2.9: Deposition Methods
Chapter 3: Thin Silica Films on Si and SiC
3.1: Thermal Oxidation of Si Surfaces
3.2: Thin Silica Films on SiC
3.3: Chemical Deposition of Thin Silica Films on Si Substrates
Chapter 4: Ultrathin Silica Films on Metals
4.1: Molybdenum
4.2: 3d-Transition Metals: Nickel, Iron, Cobalt
4.3: Ruthenium
4.3.1: Monolayer Films
4.3.2: Bilayer Films
4.3.3: “Zigzag” Films
4.4: Platinum
4.5: Palladium
4.5.1: Metal Substrate Effects: General Trend
4.5.2: Towards a Layer-by-Layer Growth Mode
Chapter 5: Defects in Ultrathin Silica Films on Metals
5.1: Defects in Monolayer Films
5.2: Defects in Bilayer Films
5.3: Bilayer Silica Film as a Two-Dimensional Glass
Chapter 6: Ultrathin Films of (Al, Fe, Ti)-Silicates
6.1: Thin Zeolite Films
6.2: Ultrathin Aluminosilicate Films
6.3: Fe-Silicate Films
6.4: (Fe, Al)-Silicate Films
6.5: Ti-Silicate Films
6.6: Controlling Silica Film Crystallinity via Metal Doping
Chapter 7: Adsorption on Ultrathin Silicate Films: Surface and “Sub-Surface” Reactions
7.1: Interaction with Ambient Gases
7.1.1: Oxygen
7.1.2: Hydrogen
7.1.3: Carbon Monoxide
7.1.4: SiO2/Pd(111) vs. SiO2/Ru(0001)
7.1.5: General Mechanism
7.2: Bilayer Film as the Thinnest Silica Membrane
7.3: Chemical Reactions under Bilayer Silica Films
7.4 Metal Deposition
7.4.1: Metal Adsorption on a Monolayer Silicate
7.4.2: Metal Adsorption on Bilayer Silica Films
Chapter 8: Water Adsorption on Silica Films
8.1: Water Adsorption on a Monolayer Film
8.2: Electron Beam Assisted Hydroxylation
8.3: Hydroxylation of Metal-Doped Silicate Films
Chapter 9: Silicatene una Graphene
Index
