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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Catal Letters. 2016 Jan 29;59(5):448–468. doi: 10.1007/s11244-015-0519-1

Fig. 3.

Fig. 3

(a) Sketch of the SPEM set-up with the reaction cell and its main components. (b) Large scale sketch illustrating the probe-sample area. In order to illustrate the shadowing effect, the distance d is expanded. (c) Photo of the cell mounted on the sample holder which can be inserted in the scanning unit of the SPEM.