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Magnetocrystalline anisotropy and spin reorientation transition of DyMn6Sn6 compound GUO Guang-hua(郭光华), QIN Jiang(秦 江), ZHANG Hai-bei(张海贝) School of Physics Science and Technology, Central... transition; magnetocrystalline anisotropy  ......
such as Nd2FeI4B and Sm-Co are widely used as high-performance permanent magnets,because they combine high magnetocrystalline anisotropy with reasonable magnetization and Curie temperature.The anisotropy... but exhibit a strong spin-orbit coupling.In this limit,the magnetocrystalline anisotropy has a very transparent physical interpretation,the anisotropy energy essentially being equal to the energy of Hund......
Temperature Dependence of the Magnetocrystalline Anisotropy in Nd2Co14B Compound赵志刚,孙校开,庄育智,葛运培,王景禹摘 要:<正> Easy and hard magnetization curves of Nd2Co14B compound have been measured withextracting-sample-magnetometer(μ0Hmax=6T)at 10~300 K.Magnetic anisotropy constants K1 and K2have been determined by fitting the hard magnetization curves,in which......
such as Nd2Fe14B and Sm-Co are widely used as high-performance permanent magnets, because they combine high magnetocrystalline anisotropy with reasonable magnetization and Curie temperature. The anisotropy... environment but exhibit a strong spin-orbit coupling. In this limit, the magnetocrystalline anisotropy has a very transparent physical interpretation, the anisotropy energy essentially being equal......
temperature TC is almost independent on Ti content while the spontaneous magnetization M0,the anisotropy field Ba and the anisotropy constant K1 decrease monotonously with increasing Ti content and increasing temperature from 1.5K to 293K. Key words:magnetocrystalline anisotropy; Curie temperature; spontaneous magnetization; [全文内容正在添加中] ......
Fe81Ga19合金取向单晶生长及磁致伸缩性能陈立彪1,朱小溪1,李川1,刘敬华1,蒋成保1,徐惠彬1(1.北京市北京航空航天大学材料科学与工程学院空天材料与服役教育部重点实验室)摘 要:采用悬浮区熔法,加入籽晶控制牛长取向,以4 mm/h的牛长速度,制备了轴向<001>择优取向的Fe81Ga19单晶.极图测试结果发现,采用偏离轴向<001>方向约5°的籽晶牛长得到的单晶,牛长始端和牛长未端轴向取向分别偏离<001>取向5°和4°,上下取向差仅为1°.另一单晶采用轴向<001>取向籽晶牛长得到,当施加60 MP......
-induced magnetic phase transition. Key words: rare earth-transition intermetallic compound; spin-reorientation transition; magnetic phase transition; magnetocrystalline anisotropy 近年来.... In the framework of single ion model the magnetocrystalline anistropic constants and their temperature dependence of compound were calculated. The results show that the competition between......
of TbxDy1-x(Fe0.6Co0.4)2 alloys at 295 K 图6 TbxDy1-C(Fe0.6Co0.4)2合金的各向异性常数K1随Tb含量的变化 Fig. 6 Tb content dependence of magnetocrystalline anisotropy constant K1 of TbxDy1-x(Fe0.6Co0.4)2 alloys 从图... with increasing terbium content; at room temperature the magnetocrystalline anisotropy constant K1 reaches the minimum value at x=0.32, indicating that it is near the composition for anisotropy compensation......
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Tb-Dy-Fe-Co合金本征磁致伸缩性能崔跃1,蒋成保1,徐惠彬1(1.北京市北京航空航天大学材料科学与工程学院空天材料与服役教育部重点实验室)摘 要:研究了Tb0.36Dy0.64(Fe0.85Co0.15)1.95合金中替换元素Co的分布及其对材料内禀磁性和本征磁致伸缩性能的影响.EDS分析表明,合金中产生了Co富集的富稀土相,Co在其中的含量为21.18%(原子分数),高于基体中Co的含量9.36%.Co元素部分替换Fe未改变巨磁致伸缩合金主相Laves相的结构,合金的Curie温度从378℃提高到42......