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Enhancement of ferromagnetic properties in Zn0.95Co0.05O nanoparticles by indium codoping: An experimental and theoretical study
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.ORCID iD: 0000-0002-9050-5445
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2010 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 97, no 23, 232510- p.Article in journal (Refereed) Published
Abstract [en]

Nanoparticles of Zn0.95-xCo0.05InxO (x = 0.0 to 0.07) were synthesized by the pyrolitic reaction of sol-gels obtained from respective metal precursors. X-ray diffraction and high-resolution transmission electron microscopy studies confirm the formation of impurity-free wurtzite type ZnO structure for all the compositions. While pristine ZnO is diamagnetic, Zn0.95Co0.05O nanoparticles show weak paramagnetic behavior at room temperature. When "In." is codoped with Co with x = 0.0 to 0.07 in Zn0.95-xCo0.05InxO, a systematic increase in magnetic moment is observed up to x = 0.07. First-principles modeling supports that the ferromagnetic phase become more favorable at higher indium doping concentrations.

Place, publisher, year, edition, pages
2010. Vol. 97, no 23, 232510- p.
Keyword [en]
DILUTED MAGNETIC SEMICONDUCTOR, HIGH-TEMPERATURE FERROMAGNETISM, DOPED ZNO, ROOM-TEMPERATURE, ZINC-OXIDE, THIN-FILMS, ZN1-XCOXO, CO, PHOTOEMISSION, SPECTROSCOPY
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Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:kth:diva-31443DOI: 10.1063/1.3517450ISI: 000285364000052Scopus ID: 2-s2.0-78650357790OAI: oai:DiVA.org:kth-31443DiVA: diva2:403979
Note
QC 20110809. Correction: "Enhancement of ferromagnetic properties in Zn(0.95)Co(0.05)O nanoparticles by indium codoping: An experimental and theoretical study (vol 97, 232510, 2010)". Applied Physics Letters, Volume: 98, Issue: 7, Article Number: 079905, Doi: 10.1063/1.3557023.Available from: 2011-03-15 Created: 2011-03-15 Last updated: 2017-12-11Bibliographically approved

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