|
Tai Nguyen So - Vietnam National University, Ha Noi - VNU >
TRƯỜNG ĐẠI HỌC CÔNG NGHỆ >
PTN Micro Nano >
New - Articles of Universities of Vietnam from Scopus >
Search
|
Please use this identifier to cite or link to this item:
http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/13388
|
| Title: | Synthesis of ultrafine SrLaxFe12-xO19 particles with high coercivity and magnetization by sol-gel method |
| Authors: | Nga T.T.V.
Duong N.P.
Hien T.D. |
| Keywords: | Magnetic measurements
Nanostructures
Scanning and transmission electron microscopy
Sol-gel synthesis
X-ray diffraction |
| Issue Date: | 2009 |
| Publisher: | Journal of Alloys and Compounds |
| Citation: | Volume 475, Issue 2-Jan, Page 55-59 |
| Abstract: | M-type hexaferrite SrLaxFe12-xO19 (x = 0 - 0.2) powders were synthesized by sol-gel method. The precursor gels were calcined at temperatures from 650 °C to 1050 °C in air for 2 h to obtain the SrFe12O19 phase. The thermal decomposition of gels was investigated by DTA/TGA. Samples of substituted ferrites were characterized by various experimental techniques including X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM). A very high magnetic coercivity (iHC) of 7.0 kOe with the magnetization at 13.5 kOe of 66 emu/g at room temperature was observed for the sample of La concentration x = 0.05 calcined at 850 °C. © 2008 Elsevier B.V. All rights reserved. |
| URI: | http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/13388 |
| ISSN: | 9258388 |
| Appears in Collections: | New - Articles of Universities of Vietnam from Scopus
|
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
|
