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The spectroscopy and chemical dynamics of microparticles explored using an ultrasonic trap

Mason, N. J.; Dawes, A.; Drage, E. A.; Webb, S. M.; McPheat, R. and Hayes, G. (2008). The spectroscopy and chemical dynamics of microparticles explored using an ultrasonic trap. Faraday Discussions, 137 pp. 367–376.

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Microsized particles play an important role in many diverse areas of science and technology, for example, surface reactions of micron-sized particles play a key role in astrochemistry, plasma reactors and atmospheric chemistry. To date much of our knowledge of such surface chemistry is derived from traditional surface science-based research. However, the large surface area and morphology of surface material commonly used in such surface science techniques may not necessarily mimic that on the surface of micron/nano scale particles. Hence, a new generation of experiments in which the spectroscopy (e.g., albedo) and chemical reactivity of micron-sized particles can be studied directly must be developed. One, as yet underexploited, non-invasive technique is the use of ultrasonic levitation. In this article, we describe the operation of an ultrasonic trap to store and study the physical and chemical properties of microparticles

Item Type: Journal Article
ISSN: 0301-7249
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 11204
Depositing User: Astrid Peterkin
Date Deposited: 24 Jul 2008 10:49
Last Modified: 14 Jan 2016 17:02
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