Signal generation mechanisms in scanning-electron acoustic microscopy of ionic crystals

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Urchulutegui, M. and Piqueras de Noriega, Javier (1990) Signal generation mechanisms in scanning-electron acoustic microscopy of ionic crystals. Journal of Applied Physics, 67 (1). pp. 1-4. ISSN 0021-8979

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Official URL: http://dx.doi.org/10.1063/1.346087

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Abstract

MgO crystals have been studied by scanning‐electron acoustic microscopy under different experimental conditions. Contrast mechanisms in imaging are discussed and compared. The experimental results obtained by earthing or nonearthing the specimen‐transducer interface suggest the existence of a signal generation mechanism that is related to the ionic nature of these kind of crystals. Electron‐acoustic microscopy appears then to be a useful tool for the characterization of ionic materials.

Item Type:	Article
Additional Information:	© American Institute of Physics. This work has been supported by the Volkswagen Foundation and by the Comisión Interministerial de Ciencia y Tecnología (Project. No. PB86-0151). The help of Dr. J. Llopis in this work is acknowledged.
Uncontrolled Keywords:	Physics, Applied
Subjects:	Sciences > Physics > Materials
ID Code:	27060
Deposited On:	20 Oct 2014 08:31
Last Modified:	20 Oct 2014 08:31

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