A Study of IR Absorption Behavior of Heliumimplanted Spinel
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Graphical Abstract
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Abstract
The infrared absorption behavior of heliumimplanted spinel with annealing temperature was studied by Fourier transformed infrared (FTIR) spectroscopy. It was found that the absorbance peak at 626.4 cm-1 shifted to smaller wave numbers with the increase of implantation fluence, while on subsequent annealing the absorbance peak shifted back to larger wave numbers with the increase of annealing temperature. The shift of the peak at 626.4 cm-1 with Heimplantation/annealing is considered to be related with the trapping and release of helium atoms in lattice sites in the spinel crystal.
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