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- Jayakumar, O. D. (author)
Surfactant-induced enhanced room temperature ferromagnetism in Zn0.96Mn0.03Li0.01O nanoparticles : Prepared by solid-state pyrolitic reaction
- Article/chapterEnglish2007
Publisher, publication year, extent ...
- Elsevier BV,2007
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-17046
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-17046URI
- https://doi.org/10.1016/j.jcrysgro.2007.06.027DOI
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- Language:English
- Summary in:English
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- QC 20100525
- We report the synthesis of nanoparticles of Zn0.96Mn0.03Li0.01O by a low-temperature solid-state pyrolitic reaction, followed by a surfactant-assisted calcination at 400 degrees C. The X-ray diffraction and transmission electron microscopy analyses showed the formation of impurity free nanocrystals of Mn doped Li co-cloped ZnO with wurtzite structure. XPS data revealed that Mn exists in + 2 oxidation state. DC magnetization measurements as a function of field and temperature showed enhanced room temperature ferromagnetism for the surfactant-treated Zn0:96Mn0.03Li0.01O. FMR signal observed in the EPR spectrum further confirmed its ferromagnetic nature.
Subject headings and genre
- DC magnetization
- transmission electron microscopy
- Mn doped Li
- co-doped ZnO nanocrystals
- dilute magnetic
- semiconductor
- mn-doped zno
- thin-films
- magnetic semiconductor
- single-crystals
- quantum dots
- nanocrystals
- growth
- oxides
Added entries (persons, corporate bodies, meetings, titles ...)
- Gopalakrishnan, I. K. (author)
- Kadam, R. M. (author)
- Vinu, A. (author)
- Asthana, A. (author)
- Rao, K. V.KTH,Teknisk materialfysik(Swepub:kth)u1i9ssac (author)
- Tyagi, A. K. (author)
- KTHTeknisk materialfysik (creator_code:org_t)
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- In:Journal of Crystal Growth: Elsevier BV307:2, s. 315-3200022-02481873-5002
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