2002
DOI: 10.1021/ac0107610
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Influence of Roughness on the Admittance of the Quartz Crystal Microbalance Immersed in Liquids

Abstract: The effect of surface roughness on the response of the QCM has been considered, both theoretically and experimentally. A new theoretical approach to the description of the effect of roughness on the response of the QCM is proposed that accounts for the multiscale nature of roughness. Performing experiments in liquids having a wide range of viscosity and density made it possible to understand, for the first time, what characteristics of roughness influence the QCM experiments. The most important conclusion of t… Show more

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Cited by 167 publications
(176 citation statements)
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References 36 publications
(56 reference statements)
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“…These non-mass-related changes in the measured frequency are related to changes in the morphology of the selective surface film (viscoelastic effects), decreasing sensitivity of the QCM (high-mass loading), trapping of liquid in surface cavities (surface roughness) [5,41], asymmetrical cell arrangement (surface stress), and the coupling between the oscillator surface and the adjacent solution (interfacial slippage). Some of these "non-mass" related frequency shifts are taken into consideration in advanced models [31,38].…”
Section: Quartz Oscillator Contacting a Viscous Solution With One Facmentioning
confidence: 99%
“…These non-mass-related changes in the measured frequency are related to changes in the morphology of the selective surface film (viscoelastic effects), decreasing sensitivity of the QCM (high-mass loading), trapping of liquid in surface cavities (surface roughness) [5,41], asymmetrical cell arrangement (surface stress), and the coupling between the oscillator surface and the adjacent solution (interfacial slippage). Some of these "non-mass" related frequency shifts are taken into consideration in advanced models [31,38].…”
Section: Quartz Oscillator Contacting a Viscous Solution With One Facmentioning
confidence: 99%
“…vibrating amplitude distribution on the quartz surface [Mecea89], roughness [Daikhin96,Daikhin97,Daikhin02,Etchenique00] or slip of the layer deposited on the electrode [Ferrante94].…”
Section: As It Will Be Shown the Model Obtained By Martin Et Al Is mentioning
confidence: 99%
“…6 a la impedancia acústica terminal "vista" desde la superficie superior de la capa que representa el polímero uniforme. Existen algunos modelos para Z 2 que serán comentados más adelante [Etchenique00, Bund02, Arnau05, Ochoa04,Daikhin02]. Cuando Z L es pequeña comparada con la impedancia acústica del cristal de cuarzo Z cq (8.849·10…”
Section: Descripción Del Modelo De Líneas De Transmisión (Tlm)unclassified
“…Una vez analizada la ecuación de Arnau, se comparará con las ecuaciones derivadas de los modelos para el efecto rugoso "fuerte" de Daikhin et Urbakh y Etchenique [Daikhin02,Etchenique00]. Estos modelos son los más completos propuestos hasta la fecha y se han utilizado para interpretar resultados experimentales [Bund02, Bund04,Rechendorff07].…”
Section: Comparación Con Los Modelos De Rugosidad "Fuerte" De Daikhinunclassified
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