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Article: Exchange bias and the origin of magnetism in Mn-doped ZnO tetrapods
Title | Exchange bias and the origin of magnetism in Mn-doped ZnO tetrapods |
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Authors | |
Keywords | Physics engineering |
Issue Date | 2004 |
Publisher | American Institute of Physics. The Journal's web site is located at http://apl.aip.org/ |
Citation | Applied Physics Letters, 2004, v. 85 n. 13, p. 2589-2591 How to Cite? |
Abstract | The origin of magnetism and exchange bias of Mn-doped ZnO tetrapod nanostructures were investigated. The nanostructures were synthesized by evaporating Zn metal under humid argon flow and then Mn was doped into ZnO nanostructures by diffusion at 600°C. High-resolution transmission electron microscopy observations were used to investigate the existence of surface layers in the tetrapods. At 100 Oe field, the zero-field cooled (ZFC) and field cooled (FC) magnetizations of the sample nanostructures were determined. It was observed that the exchange bias in the sample was due to exchange interaction between ferrimagnetic phase in manganese oxides. |
Persistent Identifier | http://hdl.handle.net/10722/42364 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 0.976 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zheng, RK | en_HK |
dc.contributor.author | Liu, H | en_HK |
dc.contributor.author | Zhang, XX | en_HK |
dc.contributor.author | Roy, VAL | en_HK |
dc.contributor.author | Djurišić, AB | en_HK |
dc.date.accessioned | 2007-01-29T08:47:48Z | - |
dc.date.available | 2007-01-29T08:47:48Z | - |
dc.date.issued | 2004 | en_HK |
dc.identifier.citation | Applied Physics Letters, 2004, v. 85 n. 13, p. 2589-2591 | - |
dc.identifier.issn | 0003-6951 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/42364 | - |
dc.description.abstract | The origin of magnetism and exchange bias of Mn-doped ZnO tetrapod nanostructures were investigated. The nanostructures were synthesized by evaporating Zn metal under humid argon flow and then Mn was doped into ZnO nanostructures by diffusion at 600°C. High-resolution transmission electron microscopy observations were used to investigate the existence of surface layers in the tetrapods. At 100 Oe field, the zero-field cooled (ZFC) and field cooled (FC) magnetizations of the sample nanostructures were determined. It was observed that the exchange bias in the sample was due to exchange interaction between ferrimagnetic phase in manganese oxides. | en_HK |
dc.format.extent | 79220 bytes | - |
dc.format.extent | 28672 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/msword | - |
dc.language | eng | en_HK |
dc.publisher | American Institute of Physics. The Journal's web site is located at http://apl.aip.org/ | en_HK |
dc.relation.ispartof | Applied Physics Letters | en_HK |
dc.rights | Copyright 2004 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters, 2004, v. 85 n. 13, p. 2589-2591 and may be found at https://doi.org/10.1063/1.1795366 | - |
dc.subject | Physics engineering | en_HK |
dc.title | Exchange bias and the origin of magnetism in Mn-doped ZnO tetrapods | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-6951&volume=85&issue=13&spage=2589&epage=2591&date=2004&atitle=Exchange+bias+and+the+origin+of+magnetism+in+Mn-doped+ZnO+tetrapods | en_HK |
dc.identifier.email | Djurišić, AB: dalek@hku.hk | en_HK |
dc.identifier.authority | Djurišić, AB=rp00690 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1063/1.1795366 | en_HK |
dc.identifier.scopus | eid_2-s2.0-7544247004 | en_HK |
dc.identifier.hkuros | 96351 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-7544247004&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 85 | en_HK |
dc.identifier.issue | 13 | en_HK |
dc.identifier.spage | 2589 | en_HK |
dc.identifier.epage | 2591 | en_HK |
dc.identifier.isi | WOS:000224178300047 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Zheng, RK=9234767000 | en_HK |
dc.identifier.scopusauthorid | Liu, H=36066241300 | en_HK |
dc.identifier.scopusauthorid | Zhang, XX=36044634000 | en_HK |
dc.identifier.scopusauthorid | Roy, VAL=7005870324 | en_HK |
dc.identifier.scopusauthorid | Djurišić, AB=7004904830 | en_HK |
dc.identifier.issnl | 0003-6951 | - |