| 1. | The effects of the thickness , the interfacial coupling constant and the temperature on the hysteresis of the bilayer are investigated 我们考察了薄膜厚度、界面耦合强度和温度对铁电双层薄膜电滞回线的影响。 |
| 2. | Keywords : sedimentation velocity and potential , electrophoretic mobility , electric conductivity , charged composite particle , charged porous particle , arbitrary double - layer thickne 关键词:沉降速度与电位、电泳可动度、电导度、带电复合粒子、带电多孔性粒子、任意电双层厚度。 |
| 3. | The present status of activated carbon fibers , carbon nanotubes and expansile graphites as the electrode materials for electrical double - layer capacitors were discussed respectively 对目前已用做电双层电容器电极材料的活性碳纤维、纳米碳管和膨胀性石墨的研究情况分别做了论述。 |
| 4. | The capacitors as compared to secondary battery have prominent advantages , especially electrical double - layer ( super ) capacitors with high power and large currents are presently needed 摘要电容器与二次电池相比,有着显著的优点,尤其是高功率并能提供大电流的电双层(超级)电容器正是时代所需。 |
| 5. | The specific properties , types , the methods in studying their structure and function and the prospect of their application in electronic double layer capacitors are discussed 讨论了凝胶电解质的特性、类型、关于其结构性能的研究方法,以及其在电双层电容器和锂离子二次电池方面的应用研究状况,并简要探讨了发展前景。 |
| 6. | If the interfacial coupling of the ferroelectric bilayer is antiferroelectric , we find it is possible to exist triple hystersis loops once the parameters of the two slabs are selected appropriately 当铁电双层膜的界面耦合为反铁电耦合时,发现在适当的材料厚度、反铁电耦合强度、横场和温度的匹配下可以观察到多态电滞回线。 |
| 7. | Third , the ferroelectric bilayer with a thick interface may be taken as a ferroelectric sandwich structure , and the interface will play a nontrivial role on the pyroelectric properties of the ferroelectric multilayer ( 3 )界面对铁电多层结构系统的热电性质影响很大,具有一定厚度的界面的铁电双层结构可以看成是一个铁电三明治结构。 |
| 8. | It is found that the pyroelectric coefficient and susceptibility increase with the decrease of the magnitude of the long - range interaction and the interfacial coupling when the temperature is lower than the phase transition temperature 我们发现,在相变温度以下,随着双层薄膜的界面耦合的减弱,铁电双层薄膜的热电系数和介电极化率增加。 |
| 9. | The intrinsic hysteresis of a ferroelectric bilayer with an antiferroelectric interfacial coupling is studied within the framework of tim . we find it is possible to exist triple hysteresis loops once the parameters of the two slabs are selected appropriately 对反铁电界面耦合的铁电双层结构薄膜的内禀电滞回线研究中,我们发现在适当的条件下,能出现多态电滞回线。 |
| 10. | In the framework of the transverse ising model ( tim ) , landau phase transition theory and the electrostatic field theory , we study the physical properties of the ferroelectric thin film , bilayer , sandwich structure , multilayer with a non - polarization slab and a two - dimension polar lattice model with polar defects . the main work and results are as follows : first , the long - range interaction in ferroelectric material is sometimes neglected in the previous studies . we introduce the long - range interaction in the framework of the tim and the landau theory 本文在横场伊辛模型、朗道相变理论以及静电场等理论的框架内,对铁电薄膜、铁电双层膜、铁电三明治结构以及含有杂质层的铁电多层膜和含有偶极缺陷的二维偶极点阵系统等多层铁电系统的相变、热电、介电、电滞行为等物理性质进行了深入研究。 |