Abstract:This study reports phonon confinement and strain effects in the Raman spectrum of ion-irradiated and subsequently etched α-quartz. Y-and Z-cut α-quartz single crystals were irradiated at room temperature with 20-MeV Ni 6+ and 40-MeV I 7+ ions. Latent ion tracks were produced with areal densities ranging from the isolated track regime to the overlapping track regime (nominal fluences of 1 Â 10 9 , 1 Â 10 10 , and 1 Â 10 11 ions cm À2 ). Nanowell structures were revealed after vapor etching with hydrofluoric aci… Show more
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