Ultraviolet Laser Action in Ferromagnetic Zn 1-xFe xO Nanoneedles

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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 Zn 1 - xFe xO 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. © 2009 to the authors.




Yang, H. Y., Yu, S. F., Lau, S. P., Herng, T. S., & Tanemura, M. (2010). Ultraviolet Laser Action in Ferromagnetic Zn 1-xFe xO Nanoneedles. Nanoscale Research Letters, 5(1), 247–251. https://doi.org/10.1007/s11671-009-9473-9

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