Extended Data Fig. 10: Control results from Ir-coated quartz with gold nanoparticle (AuNP) experiment. | Nature Geoscience

Extended Data Fig. 10: Control results from Ir-coated quartz with gold nanoparticle (AuNP) experiment.

From: Gold nugget formation from earthquake-induced piezoelectricity in quartz

Extended Data Fig. 10

Imagery of the Ir-coated quartz crystal control slab for the AuNP solution experiment. Sample was submerged but not deformed. (a) EDS image of the quartz control sample surface. (b) BSE image of the quartz control sample surface. Inset shown at higher magnification. (c) EDS spectra of area in (a). BSE: Backscattered electron. EDS: Energy dispersive spectroscopy.

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