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Correlated d(0) ferromagnetism and photoluminescence in undoped ZnO nanowires
Nanyang Technology University.
Nanyang Technology University.
National University of Singapore.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
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2010 (English)In: APPLIED PHYSICS LETTERS, ISSN 0003-6951, Vol. 96, no 11, 112511- p.Article in journal (Refereed) Published
Abstract [en]

We report the correlated d(0) ferromagnetism and photoluminescence in undoped single-crystalline ZnO nanowires synthesized by using a vapor transport method. We systematically tune the oxygen deficiency in the ZnO nanowires from 4% to 20% by adjusting the growth conditions, i.e., selecting different catalyst (Au or Ag) and varying the growth temperature. Our study suggests that oxygen vacancies induce characteristic photoluminescence and significantly boost the room-temperature ferromagnetism. Such undoped ZnO nanowires with tunable magnetic and optical properties are promising to find applications in multifunctional spintronic and photonic nanodevices.

Place, publisher, year, edition, pages
2010. Vol. 96, no 11, 112511- p.
Keyword [en]
catalysis, ferromagnetic materials, II-VI semiconductors, magnetoelectronics, nanofabrication, nanomagnetics, nanowires, photoluminescence, semiconductor growth, semimagnetic semiconductors, wide band gap semiconductors, zinc compounds
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-54785DOI: 10.1063/1.3340930ISI: 000275825200040OAI: diva2:309832
Original Publication: Guozhong Xing, Dandan Wang, Jiabao Yi, Li-Li Yang, Ming Gao, Mi He, Jinghai Yang, Jun Ding, Tze Chien Sum and Tom Wu, Correlated d(0) ferromagnetism and photoluminescence in undoped ZnO nanowires, 2010, APPLIED PHYSICS LETTERS, (96), 11, 112511. Copyright: American Institute of Physics Available from: 2010-04-09 Created: 2010-04-09 Last updated: 2010-04-23

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