Acknowledgements |
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xv | |
Introduction |
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1 | (8) |
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1.1 Heterogeneous catalysis |
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2 | (1) |
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3 | (1) |
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1.3 Where are heterogeneous reactions important? |
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3 | (1) |
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1.3.1 Haber-Bosch process |
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3 | (1) |
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1.3.2 Fischer-Tropsch chemistry |
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4 | (1) |
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4 | (1) |
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1.4 Semiconductor processing and nanotechnology |
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4 | (1) |
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1.5 Other areas of relevance |
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5 | (1) |
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1.6 Structure of the book |
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5 | (4) |
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7 | (2) |
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1 Surface and Adsorbate Structure |
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9 | (42) |
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1.1 Clean surface structure |
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10 | (12) |
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1.1.1 Ideal flat surfaces |
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10 | (3) |
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1.1.2 High index and vicinal planes |
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13 | (1) |
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14 | (1) |
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1.1.4 Bimetallic surfaces |
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14 | (1) |
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1.1.5 Oxide and compound semiconductor surfaces |
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15 | (3) |
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1.1.6 The carbon family: Diamond, graphite, graphene, fullerenes and carbon nanotubes |
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18 | (3) |
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21 | (1) |
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1.2 Reconstruction and adsorbate structure |
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22 | (8) |
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1.2.1 Implications of surface heterogeneity for adsorbates |
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22 | (1) |
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1.2.2 Clean surface reconstructions |
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23 | (1) |
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1.2.3 Adsorbate induced reconstructions |
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24 | (3) |
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27 | (1) |
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28 | (2) |
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1.3 Band structure of solids |
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30 | (11) |
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1.3.1 Bulk electronic states |
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30 | (1) |
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1.3.2 Metals, semiconductors and insulators |
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30 | (1) |
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1.3.3 Energy levels at metal interfaces |
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30 | (6) |
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1.3.4 Energy levels at metal-semiconductor interfaces |
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36 | (2) |
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1.3.5 Surface electronic states |
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38 | (1) |
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1.3.6 Size effects in nanoscale systems |
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39 | (2) |
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1.4 The vibrations of solids |
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41 | (2) |
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41 | (2) |
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43 | (1) |
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1.5 Summary of important concepts |
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43 | (1) |
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1.6 Frontiers and challenges |
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44 | (1) |
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44 | (1) |
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44 | (7) |
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47 | (4) |
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2 Experimental Probes and Techniques |
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51 | (64) |
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51 | (2) |
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51 | (1) |
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52 | (1) |
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2.2 Light and electron sources |
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53 | (4) |
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54 | (1) |
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54 | (2) |
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56 | (1) |
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2.2.4 Free electron laser (FEL) |
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56 | (1) |
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57 | (1) |
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57 | (6) |
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2.3.1 Knudsen molecular beams |
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57 | (1) |
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58 | (2) |
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2.3.3 Comparison of Knudsen and supersonic beams |
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60 | (3) |
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2.4 Scanning probe techniques |
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63 | (10) |
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2.4.1 Scanning tunnelling microscopy (STM) |
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63 | (4) |
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2.4.2 Scanning tunnelling spectroscopy (STS) |
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67 | (1) |
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2.4.3 Atomic force microscopy (AFM) |
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67 | (3) |
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2.4.4 Near-field scanning optical microscopy (NSOM) |
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70 | (3) |
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2.5 Low energy electron diffraction (LEED) |
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73 | (7) |
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Advanced Topic: LEED structure determination |
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77 | (3) |
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2.6 Electron spectroscopy |
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80 | (15) |
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2.6.1 X-ray photoelectron spectroscopy (XPS) |
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80 | (5) |
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2.6.2 Ultraviolet photoelectron spectroscopy (UPS) |
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85 | (4) |
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Advanced Topic: Multiphoton photoemission (MPPE) |
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89 | (5) |
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2.6.3 Auger electron spectroscopy (AES) |
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94 | (1) |
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2.6.4 Photoelectron microscopy |
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94 | (1) |
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2.7 Vibrational spectroscopy |
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95 | (8) |
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97 | (4) |
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2.7.2 Electron energy loss spectroscopy (EELS) |
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101 | (2) |
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2.8 Second harmonic and sum frequency generation |
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103 | (2) |
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2.9 Other surface analytical techniques |
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105 | (1) |
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2.10 Summary of important concepts |
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106 | (1) |
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2.11 Frontiers and challenges |
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106 | (1) |
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107 | (1) |
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107 | (8) |
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111 | (4) |
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3 Chemisorption, Physisorption and Dynamics |
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115 | (70) |
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3.1 Types of interactions |
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115 | (1) |
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3.2 Binding sites and diffusion |
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116 | (4) |
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120 | (1) |
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Advanced Topic: Theoretical Description of Physisorption |
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120 | (1) |
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3.4 Non-dissociative chemisorption |
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121 | (8) |
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3.4.1 Theoretical treatment of chemisorption |
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121 | (3) |
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3.4.2 The Blyholder model of CO chemisorption on a metal |
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124 | (3) |
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3.4.3 Molecular oxygen chemisorption |
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127 | (1) |
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3.4.4 The binding of ethene |
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128 | (1) |
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3.5 Dissociative chemisorption: H2 on a simple metal |
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129 | (1) |
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3.6 What determines the reactivity of metals? |
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130 | (3) |
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3.7 Atoms and molecules incident on a surface |
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133 | (11) |
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3.7.1 Scattering channels |
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133 | (2) |
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3.7.2 Non-activated adsorption |
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135 | (2) |
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137 | (2) |
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3.7.4 Activated adsorption |
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139 | (1) |
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3.7.5 Direct versus precursor mediated adsorption |
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140 | (4) |
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3.8 Microscopic reversibility in Ad/Desorption phenomena |
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144 | (4) |
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3.9 The influence of individual degrees of freedom on adsorption and desorption |
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148 | (2) |
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148 | (1) |
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3.9.2 PES topography and the relative efficacy of energetic components |
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149 | (1) |
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3.10 Translations, corrugation, surface atom motions |
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150 | (6) |
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3.10.1 Effects on adsorption |
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150 | (3) |
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3.10.2 Connecting adsorption and desorption with microscopic reversibility |
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153 | (1) |
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3.10.3 Normal energy scaling |
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154 | (2) |
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3.11 Rotations and adsorption |
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156 | (2) |
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3.11.1 Non-activated adsorption |
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156 | (1) |
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3.11.2 Activated adsorption |
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157 | (1) |
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3.12 Vibrations and adsorption |
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158 | (1) |
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3.13 Competitive adsorption and collision induced processes |
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158 | (3) |
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Advanced Topic: High Energy Collisions |
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161 | (1) |
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3.14 Classification of reaction mechanisms |
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161 | (4) |
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3.14.1 Langmuir-Hinshelwood mechanism |
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162 | (2) |
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3.14.2 Eley-Rideal mechanism |
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164 | (1) |
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3.14.3 Hot atom mechanism |
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164 | (1) |
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3.15 Measurement of sticking coefficients |
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165 | (3) |
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3.16 Summary of important concepts |
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168 | (1) |
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3.17 Frontiers and challenges |
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169 | (1) |
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170 | (1) |
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170 | (15) |
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177 | (8) |
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4 Thermodynamics and Kinetics of Adsorption and Desorption |
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185 | (44) |
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4.1 Thermodynamics of Ad/Desorption |
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185 | (5) |
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4.1.1 Binding energies and activation barriers |
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185 | (2) |
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4.1.2 Thermodynamic quantities |
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187 | (1) |
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187 | (1) |
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4.1.4 The heat of adsorption |
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188 | (2) |
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4.2 Adsorption isotherms from thermodynamics |
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190 | (3) |
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193 | (1) |
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194 | (8) |
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4.4.1 First-order desorption |
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195 | (1) |
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4.4.2 Transition state theory treatment of first-order desorption |
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196 | (3) |
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4.4.3 Thermodynamic treatment of first-order desorption |
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199 | (2) |
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4.4.4 Non-first-order desorption |
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201 | (1) |
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4.5 Kinetics of adsorption |
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202 | (8) |
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4.5.1 CTST approach to adsorption kinetics |
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202 | (1) |
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4.5.2 Langmuirian adsorption: Non-dissociative adsorption |
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203 | (2) |
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4.5.3 Langmuirian adsorption: Dissociative adsorption |
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205 | (2) |
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4.5.4 Dissociative Langmuirian adsorption with lateral interactions |
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207 | (1) |
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4.5.5 Precursor mediated adsorption |
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207 | (3) |
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4.6 Adsorption isotherms from kinetics |
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210 | (3) |
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210 | (1) |
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4.6.2 Classification of adsorption isotherms |
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211 | (2) |
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4.6.3 Thermodynamic measurements via isotherms |
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213 | (1) |
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4.7 Temperature programmed desorption (TPD) |
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213 | (8) |
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213 | (2) |
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4.7.2 Qualitative analysis of TPD spectra |
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215 | (2) |
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4.7.3 Quantitative analysis of TPD spectra |
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217 | (4) |
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4.8 Summary of important concepts |
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221 | (1) |
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4.9 Frontiers and challenges |
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222 | (1) |
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222 | (1) |
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222 | (7) |
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227 | (2) |
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229 | (38) |
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5.1 Structure of the liquid/solid interface |
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229 | (5) |
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5.1.1 The structure of the water/solid interface |
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230 | (4) |
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5.2 Surface energy and surface tension |
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234 | (5) |
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234 | (2) |
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236 | (2) |
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238 | (1) |
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239 | (2) |
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5.3.1 Liquid-on-solid films |
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239 | (2) |
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241 | (2) |
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5.5 Langmuir-Blodgett films |
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243 | (5) |
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5.5.1 Capillary condensation and meniscus formation |
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243 | (3) |
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5.5.2 Vertical deposition |
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246 | (1) |
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5.5.3 Horizontal lifting (Shaefer's method) |
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247 | (1) |
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5.6 Self assembled monolayers (SAMs) |
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248 | (6) |
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5.6.1 Thermodynamics of self-assembly |
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249 | (1) |
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5.6.2 Amphiphiles and bonding interactions |
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250 | (1) |
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5.6.3 Mechanism of SAM formation |
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250 | (3) |
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Advanced Topic: Chemistry with Self Assembled Monolayers |
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253 | (1) |
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5.7 Thermodynamics of liquid interfaces |
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254 | (3) |
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254 | (1) |
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254 | (2) |
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5.7.3 Interfacial enthalpy and internal, Helmholtz and Gibbs surface energies |
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256 | (1) |
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5.7.4 Gibbs adsorption isotherm |
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257 | (1) |
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5.8 Electrified and charged interfaces |
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257 | (4) |
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5.8.1 Surface charge and potential |
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257 | (2) |
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5.8.2 Relating work functions to the electrochemical series |
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259 | (2) |
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5.9 Summary of important concepts |
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261 | (1) |
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5.10 Frontiers and challenges |
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262 | (1) |
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262 | (1) |
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263 | (4) |
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265 | (2) |
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6 Heterogeneous Catalysis |
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267 | (38) |
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6.1 The prominence of heterogeneous reactions |
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267 | (2) |
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6.2 Measurement of surface kinetics and reaction mechanisms |
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269 | (4) |
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273 | (4) |
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6.4 From microscopic kinetics to catalysis |
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277 | (6) |
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277 | (1) |
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6.4.2 Kinetic analysis using De Donder relations |
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278 | (1) |
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6.4.3 Definition of the rate determining step (RDS) |
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279 | (1) |
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6.4.4 Microkinetic analysis of ammonia synthesis |
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280 | (3) |
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6.5 Fischer-Tropsch synthesis and related chemistry |
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283 | (3) |
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6.6 The three-way automotive catalyst |
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286 | (2) |
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288 | (2) |
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290 | (1) |
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6.9 Bimetallic and bifunctional catalysts |
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291 | (1) |
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6.10 Rate oscillations and spatiotemporal pattern formation |
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292 | (3) |
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Advanced Topic: Cluster assembled catalysts |
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294 | (1) |
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6.11 Sabatier analysis and optimal catalyst selection |
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295 | (1) |
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6.12 Summary of important concepts |
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296 | (1) |
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6.13 Frontiers and challenges |
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297 | (1) |
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298 | (1) |
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298 | (7) |
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300 | (5) |
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305 | (48) |
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305 | (3) |
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308 | (2) |
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309 | (1) |
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7.3 Surface energy, surface tension and strain energy |
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310 | (1) |
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311 | (6) |
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7.4.1 Solid-on-solid growth |
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311 | (2) |
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7.4.2 Strain in solid-on-solid growth |
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313 | (1) |
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314 | (1) |
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7.4.4 Equilibrium overlayer structure and growth mode |
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315 | (2) |
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317 | (2) |
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7.6 Growth away from equilibrium |
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319 | (3) |
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7.6.1 Thermodynamics versus dynamics |
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319 | (1) |
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7.6.2 Non-equilibrium growth modes |
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320 | (2) |
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7.7 Techniques for growing layers |
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322 | (5) |
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7.7.1 Molecular beam epitaxy (MBE) |
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323 | (3) |
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7.7.2 Chemical vapour deposition (CVD) |
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326 | (1) |
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7.7.3 Ablation techniques |
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327 | (1) |
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7.8 Catalytic growth of nanotubes and nanowires |
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327 | (5) |
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332 | (12) |
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7.9.1 Classification of etching |
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332 | (3) |
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335 | (1) |
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7.9.3 Porous solid formation |
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336 | (1) |
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7.9.4 Silicon etching in aqueous fluoride solutions |
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337 | (3) |
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7.9.5 Coal gasification and graphite etching |
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340 | (1) |
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7.9.6 Selective area growth and etching |
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341 | (2) |
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Advanced Topic: Si Pillar Formation |
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343 | (1) |
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7.10 Summary of important concepts |
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344 | (1) |
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7.11 Frontiers and challenges |
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344 | (1) |
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345 | (1) |
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345 | (8) |
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347 | (6) |
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8 Laser and Non-Thermal Chemistry: Photon and Electron Stimulated Chemistry and Atom Manipulation |
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353 | (62) |
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8.1 Photon excitation of surfaces |
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354 | (12) |
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8.1.1 Light absorption by condensed matter |
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354 | (1) |
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355 | (4) |
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Advanced Topic: Temporal evolution of electronic excitations |
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359 | (6) |
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8.1.3 Summary of laser excitations |
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365 | (1) |
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8.2 Mechanisms of electron and photon stimulated processes |
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366 | (8) |
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8.2.1 Direct versus substrate mediated processes |
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366 | (1) |
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8.2.2 Gas phase photochemistry |
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367 | (2) |
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8.2.3 Gas phase electron stimulated chemistry |
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369 | (1) |
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8.2.4 MGR and Antoniewicz models of DIET |
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369 | (4) |
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8.2.5 Desorption induced by ultrafast excitation |
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373 | (1) |
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8.3 Photon and electron induced chemistry at surfaces |
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374 | (10) |
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8.3.1 Thermal desorption, reaction and diffusion |
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374 | (1) |
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8.3.2 Stimulated desorption/reaction |
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375 | (6) |
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381 | (3) |
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8.4 Charge transfer and electrochemistry |
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384 | (13) |
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8.4.1 Homogeneous electron transfer |
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385 | (2) |
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8.4.2 Corrections to and improvements on Marcus theory |
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387 | (2) |
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8.4.3 Heterogeneous electron transfer |
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389 | (2) |
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8.4.4 Current flow at a metal electrode |
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391 | (2) |
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Advanced Topic: Semiconductor photoelectrodes and the Gratzel photovoltaic cell |
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393 | (4) |
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8.5 Tip Induced process: mechanisms of atom manipulation |
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397 | (7) |
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8.5.1 Electric field effects |
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398 | (1) |
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398 | (1) |
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8.5.3 Vibrational ladder climbing |
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399 | (1) |
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400 | (2) |
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402 | (1) |
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8.5.6 Atom manipulation by covalent forces |
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402 | (2) |
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8.6 Summary of important concepts |
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404 | (1) |
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8.7 Frontiers and challenges |
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404 | (1) |
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405 | (1) |
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405 | (10) |
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408 | (7) |
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9 Answers to Exercises from Chapter 1. Surface and Adsorbate Structure |
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415 | (12) |
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10 Answers to Exercises from Chapter 2. Experimental Probes and Techniques |
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427 | (18) |
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11 Answers to Exercises from Chapter 3. Chemisorption, Physisorption and Dynamics |
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445 | (20) |
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12 Answers to Exercises from Chapter 4. Thermodynamics and Kinetics of Adsorption and Desorption |
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465 | (22) |
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13 Answers to Exercises from Chapter 5. Liquid Interfaces |
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487 | (12) |
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14 Answers to Exercises from Chapter 6. Heterogeneous Catalysis |
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499 | (10) |
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15 Answers to Exercises From Chapter 7. Growth and Epitaxy |
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509 | (6) |
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16 Answers to exercises from Chapter 8. Laser and Nonthermal Chemistry |
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515 | (16) |
Appendix I Abbreviations and Prefixes |
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531 | (4) |
Appendix II Symbols |
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535 | (6) |
Appendix III Useful Mathematical Expressions |
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541 | (4) |
Index |
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545 | |