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Controllable synthesis of one-dimensional isolated Ni 0.5 Zn 0.5 Fe 2 O 4 microtubes for application as catalyst support in RF heated reactors
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Lv, Hua-nan, Rebrov, Evgeny V., Gao, Peng-zhao, Ma, Rui-xue, Lu, Zhou-li and Xu, Jia (2016) Controllable synthesis of one-dimensional isolated Ni 0.5 Zn 0.5 Fe 2 O 4 microtubes for application as catalyst support in RF heated reactors. Ceramics International, 42 (6). pp. 7793-7802. doi:10.1016/j.ceramint.2016.01.214 ISSN 0272-8842.
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WRAP-controllable-synthesis-one-dimensional-isolated-Rebrov-2016.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (1814Kb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.ceramint.2016.01.214
Abstract
One-dimensional isolated Ni0.5Zn0.5Fe2O4 microtubes have been prepared via a template assisted sol–gel method. Temperature dependence of the structural and magnetic properties was studied via XRD, N2 adsorption, SEM, TEM, and VSM. An increase in calcination temperature from 873 to 1273 K caused a decrease in the specific surface area from 80.7 to 17.0 m2/g due to an increase of the grain size from 25.3 to 112 nm. All samples demonstrated anomalous coercivity behavior due to mechanical stresses acting on their domain walls. The porous microtubes calcined at 1073 K have a mean external diameter of 3.7 μm with a length-to-diameter ratio exceeding 12. The microtubes calcined at 973 K have the highest coercivity of 88.1 Oe and demonstrated the largest specific heating rate of 4.36 W/g in a radiofrequency field at 295 kHz.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Ferrites (Magnetic materials), Dielectric heating | ||||||||
| Journal or Publication Title: | Ceramics International | ||||||||
| Publisher: | Pergamon | ||||||||
| ISSN: | 0272-8842 | ||||||||
| Official Date: | 1 May 2016 | ||||||||
| Dates: |
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| Volume: | 42 | ||||||||
| Number: | 6 | ||||||||
| Page Range: | pp. 7793-7802 | ||||||||
| DOI: | 10.1016/j.ceramint.2016.01.214 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Date of first compliant deposit: | 3 November 2017 | ||||||||
| Date of first compliant Open Access: | 7 November 2017 | ||||||||
| Funder: | Royal Academy of Engineering (Great Britain), Hunan, China (Province). Science and Technology Program, European Research Council (ERC), Rossiĭskiĭ nauchnyĭ fond [Russian Science Foundation] | ||||||||
| Grant number: | 2012WK3023 (Hunan, China (Province). Science and Technology Program), RFMiFiCS (ERC), Project 15-13-20015 (Rossiĭskiĭ nauchnyĭ fond [Russian Science Foundation]) |
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