Anisotropy Distribution of FePt Nanoparticles With Twinned Structures
Anisotropy Distribution of FePt Nanoparticles With Twinned Structures
复制标题
孪晶结构 FePt 纳米粒子的各向异性分布
DOI：
10.1109/tmag.2009.2025773
复制
发表时间：
2009-09
影响因子：
2.1
通讯作者：
Lin
中科院分区：
文献类型：
--
作者：
Jun;Zhu;Dan;Xuerang;Jing;Yuan;Xie;Zhang;Wei;Kaiming;Hu;Lin
The existence of the five-fold twinned structures was observed in 3.4 nm FePt nanoparticles, and other n-fold structures were also been found in magnetic nano-grains in recording media. An analytical model, following the spirit of the Stoner-Wohlfarth model, is brought up to study the anisotropy field distribution of FePt or other magnetic nanoparticles with twinned or n-fold structures, based on simple statistical calculations of twin regions' volumes. It is found that the nanoparticle has an effective uniaxial anisotropy, and the average anisotropy field is substantially reduced compared to that of the single crystal. The calculated anisotropy distributions are also compared with the empirical distribution functions used in micromagnetic simulations.
登录
查看更多内容
影响因子：
4
作者：
T. Shima;K. Takanashi;Y. Takahashi;K. Hono
通讯作者：
T. Shima;K. Takanashi;Y. Takahashi;K. Hono
影响因子：
3.4
作者：
Elkins, K;Li, D;Liu, JP
通讯作者：
Liu, JP
影响因子：
3.2
作者：
Hu, Xuerang;Xie, Lin;Yuan, Jun
通讯作者：
Yuan, Jun
影响因子：
3.5
作者：
J. -. Chen;C. Tan;G. Chow
通讯作者：
J. -. Chen;C. Tan;G. Chow
影响因子：
2.1
作者：
D. Sellmyer;M. Yan;Yingfan Xu;R. Skomski
通讯作者：
D. Sellmyer;M. Yan;Yingfan Xu;R. Skomski