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Ultraviolet laser action in ferromagnetic Zn1-xFexO nanoneedles.

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Ultraviolet laser action in ferromagnetic Zn1-xFexO nanoneedles.

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Title: Ultraviolet laser action in ferromagnetic Zn1-xFexO nanoneedles.
Author: Yang, H. Y.; Yu, S. F.; Lau, S. P.; Herng, T. S.; Tanemura, M.
Copyright year: 2009
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.
Subject: DRNTU::Engineering::Electrical and electronic engineering.
Type: Journal Article
Series/ Journal Title: Nanoscale research letters
School: School of Electrical and Electronic Engineering
Rights: © 2009 The Author(s).
Version: Published version

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