Phonon contribution to wetting phenomena: macroscopic theory |
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| Affiliation: | 1. Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA;2. Institute for Surface and Interface Science, University of California, Irvine, CA 92697, USA;1. Department of Applied Chemistry, College of Science, National Chiao Tung University, Hsinchu 30010, Taiwan;2. Department of Chemistry, Faculty of Science, Josai University, Sakado 350-0295, Japan;1. Department of Mechanical Engineering, Bradley University, IL, USA;2. Additive Manufacturing and 3D Printing Research Group, EPSRC Centre for Innovative Manufacturing in Additive Manufacturing, Department of Mechanical, Materials and Manufacturing, University of Nottingham, Nottingham, UK;3. Additive Manufacturing and 3D Printing Research Group, EPSRC Centre for Innovative Manufacturing in Additive Manufacturing, Department of Chemical and Environmental Engineering, University of Nottingham, Nottingham, UK;1. Univ. Valenciennes, CNRS, UMR 2201, LAMIH – Laboratoire d’Automatique de Mécanique et d’Informatique Industriellles et Humaines, F-59313 Valenciennes, France;2. Univ. Valenciennes, CNRS, Univ. Lille, YNCREA, Centrale Lille, UMR 8520, IEMN-DOAE, F-59313 Valenciennes, France;3. Univ. Lille, CNRS, Centrale Lille, ISEN, Univ. Valenciennes, UMR 8520, IEMN, F-59000 Lille, France;4. Jeumont Electric, 59460 Jeumont, France |
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| Abstract: | We present a macroscopic treatment that clarifies the role of phonons in the wetting of a solid by an ideal liquid, such as liquid 4He. We show that in the equation for the wetting temperature the phonon contribution cancels exactly. Therefore, a pure phonon mechanism always results in wetting, and other mechanisms determine whether wetting or non-wetting occurs. The importance of ripplon excitations for the wetting phenomenon is discussed. |
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