1986
DOI: 10.1002/bbpc.19860900510
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An Improved Quartz Microbalance. Applications to the Electrocrystallization and ‐dissolution of Nickel

Abstract: A transistorized Pierce‐Miller‐oscillator is described which can be used to excite a quartz vibrator in contact with a solution. Changes of the resonance frequency of the quartz induced by deposition or dissolution of substances on one of its surfaces can be measured. We also describe a simple teflon holder which allows fixation of the crystal in a position in which only one of its faces is in contact with the solution.—The influence of simultaneous gas evolution on the performance of the balance is discussed.… Show more

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Cited by 64 publications
(21 citation statements)
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“…These processes are related to shear elongations that occur at the surface of oscillating quartz resonators. Effective shear elongations of 4.5 nm have been recently calculated for immersed 5 MHz resonators demonstrating that the acceleration of the shear motion at the surface reaches values in the order of the 5610 5 fold of the acceleration of gravity g [27]. Frictional losses at the atomic scale due to sliding are considerably effective on ordered substrates compared to disordered structures.…”
Section: Mass Changes Due To Depositionastripping Cyclesmentioning
confidence: 98%
“…These processes are related to shear elongations that occur at the surface of oscillating quartz resonators. Effective shear elongations of 4.5 nm have been recently calculated for immersed 5 MHz resonators demonstrating that the acceleration of the shear motion at the surface reaches values in the order of the 5610 5 fold of the acceleration of gravity g [27]. Frictional losses at the atomic scale due to sliding are considerably effective on ordered substrates compared to disordered structures.…”
Section: Mass Changes Due To Depositionastripping Cyclesmentioning
confidence: 98%
“…Estes autores, e outros trabalhos pioneiros nesta área, demonstraram a importância crucial da MECQ na determinação de eficiência coulômbica de eletrodeposição, parâmetro de suma importância na otimização de processos de deposição metálica. Por exemplo, a deposição de níquel sobre substratos metálicos diferentes como Ag, Au ou Pt, pode apresentar eficiências de deposição muito diferentes nas primeiras etapas de nucleação 11,22 . Um sistema de interesse é a deposição/dissolução do bismuto 23 .…”
Section: Metais Eletrodeposição De Metaisunclassified
“…The QCM technique was originally pioneered by Sauerbrey 19 , who first described the mass sensing capability of quartz crystals. Initial application of QCM focused on the measurement of the adsorbed mass of chemical species to the QCM sensor surface in gas phase 20 , however the technique was soon developed to operate in liquids, where new systems in such diverse areas as electrochemistry 21,22 , immunology 23 and even cell biology 24,25 were investigated. In addition to measurement of the mass adsorbed to the sensor surface (i.e.…”
Section: Introductionmentioning
confidence: 99%