Abstract
Small amounts of additives of MnO2 and SiO2 derived by a sol-gel reaction caused two ferrimagnetic materials, Y2Gd1Fe5O12 and Li0.3Zn0.4Fe2.3O4 to have different microstructural characteristics. The chemical additives were thought to act as a grain growth inhibitor by segregating Si-rich precipitates along the grain boundaries in the case of Y2Gd1Fe5O12, whereas the same additives were proven to assist grain growth by forming a Si- and Fe-rich glassy phase at the grain boundaries for Li0.3Zn0.4Fe2.3O4. Quantitative analysis regarding the behavior of grain growth supported the observed microstructural changes.
| Original language | English |
|---|---|
| Pages (from-to) | 5220-5222 |
| Number of pages | 3 |
| Journal | Journal of Applied Physics |
| Volume | 85 |
| Issue number | 8 II A |
| Publication status | Published - 1999 Apr 15 |
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All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)
- Physics and Astronomy (miscellaneous)
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Grain boundaries and growth kinetics of polycrystalline ferrimagnetic oxides with chemical additives. / Cho, Yong Soo; Hoelzer, David T.; Burdick, Vernon L.; Amarakoon, Vasantha R W.
In: Journal of Applied Physics, Vol. 85, No. 8 II A, 15.04.1999, p. 5220-5222.Research output: Contribution to journal › Conference article
TY - JOUR
T1 - Grain boundaries and growth kinetics of polycrystalline ferrimagnetic oxides with chemical additives
AU - Cho, Yong Soo
AU - Hoelzer, David T.
AU - Burdick, Vernon L.
AU - Amarakoon, Vasantha R W
PY - 1999/4/15
Y1 - 1999/4/15
N2 - Small amounts of additives of MnO2 and SiO2 derived by a sol-gel reaction caused two ferrimagnetic materials, Y2Gd1Fe5O12 and Li0.3Zn0.4Fe2.3O4 to have different microstructural characteristics. The chemical additives were thought to act as a grain growth inhibitor by segregating Si-rich precipitates along the grain boundaries in the case of Y2Gd1Fe5O12, whereas the same additives were proven to assist grain growth by forming a Si- and Fe-rich glassy phase at the grain boundaries for Li0.3Zn0.4Fe2.3O4. Quantitative analysis regarding the behavior of grain growth supported the observed microstructural changes.
AB - Small amounts of additives of MnO2 and SiO2 derived by a sol-gel reaction caused two ferrimagnetic materials, Y2Gd1Fe5O12 and Li0.3Zn0.4Fe2.3O4 to have different microstructural characteristics. The chemical additives were thought to act as a grain growth inhibitor by segregating Si-rich precipitates along the grain boundaries in the case of Y2Gd1Fe5O12, whereas the same additives were proven to assist grain growth by forming a Si- and Fe-rich glassy phase at the grain boundaries for Li0.3Zn0.4Fe2.3O4. Quantitative analysis regarding the behavior of grain growth supported the observed microstructural changes.
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M3 - Conference article
AN - SCOPUS:0032620483
VL - 85
SP - 5220
EP - 5222
JO - Journal of Applied Physics
JF - Journal of Applied Physics
SN - 0021-8979
IS - 8 II A
ER -