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ISBN 981-256-070-X (pbk)

Acknowledgments

The authors would like to acknowledge the following publishers, as well as the authors, for their kind permission to reproduce the figures found in this book:

Prof. Jianguo Hou for the STM micrograph on our book cover and Fig. 12.4.19;

Prof. Kunji Chen for Fig. 2.3.4;

Academic Press for granting permission to reproduce Figs. 8.3.5, 9.2.6, 13.1.4, 19.4.1, 19.4.2 and 19.4.3;

American Association for Advancement of Sciences for Fig. 14.5.6;

American Institute of Physics for Figs. 5.3.2, 8.3.4, 10.4.2, 10.4.3, 10.4.4, 10.4.5 and 14.4.2;

American Physical Society for Figs. 2.2.7, 2.3.11, 5.3.3, 5.4.3, 5.4.4, 5.5.2, 5.5.4,...