| 1. | Magnetic properties and magnetic phase transition of compound tbmn6sn
6的磁性和磁相变 |
| 2. | Special magnetic phase transitions in fe in2o3 magnetic granular films
3颗粒膜的特殊磁相变 |
| 3. | First - principles investigation of magnetic phase transition and half - metal properties of fexmn1 - xsi
族稀磁半导体电磁性质的第一原理计算 |
| 4. | Molecular field theory analysis of magnetic properties and magnetic phase transitions of intermetallic compound
2化合物的磁性和磁相变的分子场理论研究 |
| 5. | ( 2 ) fmr data show that the film of 5 . 2 ml has two magnetic phases , implying a transition state from superparamagnetic nano - cluster structure to continuous film
( 2 )当膜厚增加到5 2ml时，薄膜的fmr显示出双共振峰，其中之一与厚度为4 |
| 6. | Magnetic properties , magntetocaloric effect and magnetic phase transition in nazn _ ( 13 ) - type compounds la ( fe , al ) _ ( 13 ) were investigated by introducing interstitial atoms and substituting other atoms for the rare earth
本论文通过添加间隙碳原子和对稀土位元素进行替代研究了la ( fe , al ) _ ( 13 )化合物的基本磁性、磁热效应以及磁性相变。 |
| 7. | The volume expansion played a major role in determining its magnetic properties . complicated magnetic phase transitions induced by external magnetic field were found in carbonization of lafe _ ( 11 . 4 ) al _ ( 1 . 6 ) compound with low carbon concentration . and the temperature of phase transition depends on magnetic field strongly
同时发现,碳含量较低时, lafe _ ( 11 . 4 ) al _ ( 1 . 6 )碳化物在磁场诱导下呈现出有趣的复杂磁相变,相变温度强烈依赖于外加磁场。 |
| 8. | The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution , therefore , to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure , density of state , phonon spectrum etc . the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics , the quantum theory of solid and bcs theory for superconducting etc . moreover , specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition , magnetic phase transition , superconducting phase transition etc . ) and the scaling behavior near the critical point
系统、子系统的熵或微观状态数与微观粒子间的相互作用及能级分布密切相关，因此研究比热与温度的依赖关系能够提供被测量系统许多极其有用的微观信息，对理解固体的电子结构、电子态密度、声子谱等起着十分重要的作用。低温比热的测量和研究对热力学第三定律、固体量子理论和超导bcs等理论的建立起到了积极的推动作用。比热研究还有助于认识各类相变如结构相变,磁性相变,超导相变等及临界点附近的标度规律。 |
| 9. | Moke and fmr studies were performed on single crystalline fe ultathin films epitaxially grown on iii - v semiconductor gaas substrate with thickness 4 . 1 - 33 monolayer ( ml ) . a theoretical mode for fitting fmr experimental data was established . the results demonstrated the structures and reproduced the evolution of the magnetic properties of ultrathin films with various thickness from the state of superparamagnetic nano - cluster through coexistence of two magnetic phases to continuous film , especially the change of magnetic crystalline anisotropy from unixial to cubic
1 - 33原子层厚度( monolayer ,简称ml )的fe单晶超薄膜进行了铁磁共振( fmr )和磁光研究，建立了理论模型对铁磁共振实验结果进行了模拟，重现了不同厚度的超薄膜，从纳米团簇到两相共存的过度阶段直至连续薄膜结构与磁性的变化，特别是磁各向异性从单轴各向异性向立方各向异性转变的演化过程。 |
| 10. | By investigating the magnetic properties of sm2fe17 - xnbxny magnetic powders with different composition and different nitriding time , the relationship between the magnetic properties and different composition and parameters of the preparation process is summarized . so it can prevent the formation of soft magnetic phase and decomposition of sm2fe17 - xnbxny during nitriding
通过对得到的磁粉磁性能的比较得出最佳处理工艺，以避免氮化过程中软磁相的产生和sm _ 2fe _ ( 17 - x ) nb _ xn _ y的分解。 |
