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Effect of Annealing...
Effect of Annealing Temperature on the Structural and Magnetic Properties of Co-Doped TiO2 Nanoparticles via Complex-Polymer Sol-Gel Method
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- Karimipour, Masoud (författare)
- Uppsala universitet,Materialfysik
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- Wikberg, J. Magnus (författare)
- Uppsala universitet,Fasta tillståndets fysik
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Shahtahmasebi, Nasser (författare)
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Abad, Mahmood Rezaee Rokn (författare)
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Bagheri-Mohagheghi, M. M. (författare)
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- Svedlindh, Peter (författare)
- Uppsala universitet,Fasta tillståndets fysik
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(creator_code:org_t)
- American Scientific Publishers, 2012
- 2012
- Engelska.
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Ingår i: Journal of Nanoscience and Nanotechnology. - : American Scientific Publishers. - 1533-4880 .- 1533-4899. ; 12:2, s. 950-954
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Co-doped TiO2 nanoparticles were synthesized via non hydrous complex-polymer sol gel method. A series of Co-x:Ti1-xO2 samples with x = 0.01, 0.03, 0.05, 0.08 and 0.10, were prepared and subsequently annealed at 400 degrees, 600 degrees and 800 degrees C. Structural and magnetic properties of Co-x:Ti1-xO2 have been studied by means of X-ray diffraction and DC magnetometry. All samples annealed at 400 degrees C show a paramagnetic behavior with an average grain size of 11 nm. With increasing annealing temperatures a complete crystallization is seen with growth of the cluster size up to 31 nm with clear evidence of a presence of CoTiO3. For all concentrations and annealing conditions no sign of a metallic phase, even at x = 0.10, is seen.
Nyckelord
- Diluted Magnetic Semiconductors
- Sol-Gel Process
- X-ray Diffraction
- DC Magnetometry
- Ferromagnetism in Semiconductor
- TECHNOLOGY
- TEKNIKVETENSKAP
- Teknisk fysik med inriktning mot fasta tillståndets fysik
- Engineering Science with specialization in Solid State Physics
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- art (ämneskategori)
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