Preface, Biography o f Lord Kelvin, Acronyms/Abbreviation, Symbols Used, Chapter 1: Introduction to Surfaces and Interfaces, Chapter 2: The Thermodynamics of Surfaces and Definition of Work Function and Measurement, Chapter 3: Design of the Kelvin Probe and the Methods of Measurement of Contact Potential Difference (CPD), Chapter 4: Photo-Emission Yield Spectroscopy (PE YS), Chapter 5: Surface Photovoltage (SPV) Spetroscopy of Semiconductor Surfaces, APPENDICES, References, Index