Abstract
Fe-doped ZnO nanoneedles (NDs) were fabricated by an Ar+ ion sputtering technique operated at room temperature. The as-grown samples show both ferromagnetic and lasing properties. The saturated magnetization moment was measured from 0.307 to 0.659 emu cm−3 at the field of 10 kOe with various Fe concentrations. Intense ultraviolet random lasing emission was observed from Zn1 − xFexO NDs at room temperature. The X-ray photoelectron spectroscopy result reveals that the doped Fe atoms occupy the Zn sites and lead to a decrease in oxygen deficiency.
Highlights
Fe-doped ZnO nanoneedles (NDs) were fabricated by an Ar? ion sputtering technique operated at room temperature
Intense ultraviolet random lasing emission was observed from Zn1 - xFexO NDs at room temperature
The X-ray photoelectron spectroscopy result reveals that the doped Fe atoms occupy the Zn sites and lead to a decrease in oxygen deficiency
Summary
Fe-doped ZnO nanoneedles (NDs) were fabricated by an Ar? ion sputtering technique operated at room temperature. Intense ultraviolet random lasing emission was observed from Zn1 - xFexO NDs at room temperature.
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