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dc.contributor.authorNordin, M. N.
dc.contributor.authorHalim, M. M.
dc.contributor.authorHashim, M. R.
dc.contributor.authorShakfa, M. K.
dc.contributor.authorMaryam, W.
dc.date.accessioned2020-02-10T08:56:33Z
dc.date.available2020-02-10T08:56:33Z
dc.date.issued2020-01-21
dc.date.submitted2019-10-02
dc.identifier.citationNordin, M. N., Halim, M. M., Hashim, M. R., Shakfa, M. K., & Maryam, W. (2020). Influence of annealing time on random lasing from ZnO nanorods. Results in Physics, 16, 102955. doi:10.1016/j.rinp.2020.102955
dc.identifier.doi10.1016/j.rinp.2020.102955
dc.identifier.urihttp://hdl.handle.net/10754/661449
dc.description.abstractHighly stabile single mode and multi-mode random lasing emissions were observed from ZnO nanorods array prepared on glass substrates using chemical deposition technique. By varying the post-growth-annealing time, nanorod diameters between 54 and 78 nm with population densities between 75 and 95 nanorods/µm2 were obtained. Depending on the population density and diameter of the nanorods, single, double and triple random lasing emissions were observed with lowest threshold of 209 mJ/cm2. Furthermore, the lasing threshold showed an obvious dependency on the nanorods density. The lasing emission maintained its wavelength with increasing pump power, indicating high stability of the lasing mode(s).
dc.description.sponsorshipThe authors acknowledge final year undergrads Wan Mohamad Hafiz Wan Mazlan and Natasha Liyana Hishammudin, under the supervision of WM and MNN, for preparing the samples. The authors would like to thank Professor Dr. Boon S. Ooi from KAUST for giving the opportunity to perform the random-lasing measurements in his laboratory (Photonics Laboratory). WM designed the experiment, did the optical measurements and drafted the manuscript. MKS did the lasing measurements and edited the manuscript. WM, MMH, MKS and MRH analysed the results. MNN prepared the sample and did the characterization measurements. All authors prepared the final manuscript. Partial funding from Universiti Sains Malaysia short term grant [304/PFIZIK/6312155] is greatly acknowledged.
dc.publisherElsevier BV
dc.relation.urlhttps://linkinghub.elsevier.com/retrieve/pii/S2211379719326026
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Results in Physics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Results in Physics, [[Volume], [Issue], (2020-01-21)] DOI: 10.1016/j.rinp.2020.102955 . © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleInfluence of annealing time on random lasing from ZnO nanorods
dc.typeArticle
dc.contributor.departmentKing Abdullah University of Science & Technology (KAUST), Physical Science and Engineering Division, Thuwal 23955-6900, Saudi Arabia
dc.identifier.journalResults in Physics
dc.eprint.versionPost-print
dc.contributor.institutionSchool of Physics, Universiti Sains Malaysia, 11800 Penang, Malaysia
kaust.personShakfa, M. K.
dc.date.accepted2020-01-17
refterms.dateFOA2020-02-10T10:16:39Z
kaust.acknowledged.supportUnitPhotonics Laboratory
dc.date.published-online2020-01-21
dc.date.published-print2020-03


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