鐵電相變 的英文怎麼說

中文拼音 [tiědiànxiāngbiàn]
鐵電相變 英文
ferroelectric phase transition
  • 鐵 : Ⅰ名詞1 （金屬元素） iron （fe） 2 （指刀槍等） arms; weapon 3 （姓氏） a surname Ⅱ形容詞1 （形容...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  1. No evidences of low - temperature phase transition were found for pbtio3, while the tetragonal - orthogonal and orthorhombic - rhombohedral phase transitions were present for batio3

    沒有發現鈦酸鉛存在低溫相變的證據，而鈦酸鋇則存在四方正交和正交三角鐵電相變。
  2. Multiferroelectric magnetoelectri materials have a spontaneous polarization that can be reoriented by an applied electric field, a spontaneous magnetization that can be reoriented by an applied magnetic field. these materials have been exploited as transducer, waveguides, switches, phase inverters, modulators, etc. which also find a lot of technological applications in radioelectronics, optoelectronics, microwave electronics in instrumentation

    這類材料同時具有鐵電和鐵磁材料的性能可以應用到傳感器，波導器件，轉換器，相位倒相器，變頻器，調節器等，在無線電電子學，光電子學，微波電子學等領域的發展具有重要意義。
  3. Within the framework of the tim ( transverse field model ), using the eft ( effective field theory ) and the mft ( mean field theory ), considering the long - range effects and the interfacial effect, we studied the transition properties of the ferroelectric thin film, pyroelectric coefficient and dielectric susceptibility and triple hysteresis loop of the ferroelectric bilayer structure theoretically

    我們應用平均場、有效場等方法，在橫場伊辛模型框架內，考慮贗自旋間長程相互作用和界面效應，對鐵電薄膜、雙層薄膜的相變、熱釋電、介電，以及電滯回線等性質進行了較深入的研究。
  4. Based on recent published research, explanation about the experimental results was also given. remanent polarization and coercive field decreased with the increasing of la content. the crystal structure transformed from tetragonal to cubic when la concentration increased to 28mol %

    在薄膜的鐵電性質方面，隨著摻鑭含量的升高，剩餘極化和矯頑場逐漸降低；當鑭含量達到28mol時薄膜的結構從四方相轉變到立方相。
  5. Some cubic perovskites are good cases in point such as srtio3 and ktao3. experimental results show that when ba2 + and li + are doped into the above materials respectively and at the same time the impurity content is higher than their critical concentration, the impurity induced ferroe lectric phase transition occurs

    Srtio _ 3和ktao _ 3是典型的量子順電體，實驗表明當兩者分別摻雜ba ~ （ 2 + ）和li ~ +且雜質濃度超過各自的臨界濃度時，順電相不再穩定，出現由雜質導致的鐵電相變。
  6. 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

    本文在橫場伊辛模型、朗道相變理論以及靜電場等理論的框架內，對鐵電薄膜、鐵電雙層膜、鐵電三明治結構以及含有雜質層的鐵電多層膜和含有偶極缺陷的二維偶極點陣系統等多層鐵電系統的相變、熱電、介電、電滯行為等物理性質進行了深入研究。
  7. Once landau theory of phase transition was used to deal with ferroelectrics phase transition. it introduces symmetry breaking into phase transition theory and associates it with order parameter to find the necessary condition of occurrence of phase transition. the theory has settled plenty of problems

    對于鐵電體，以前採用landau理論處理連續相變，這一理論引入對稱破缺，並將它與序參量的變化聯系起來，找到發生連續相變的必要條件，這成功地解決了一些問題。
  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

    我們發現，在相變溫度以下，隨著雙層薄膜的界面耦合的減弱，鐵電雙層薄膜的熱電系數和介電極化率增加。
  9. Single - phase power transformers using r - cores

    單相r型鐵心電源變壓器
  10. E - cores for three - phase transformers used in electronic equipment

    電子設備用三相變壓器e型鐵心
  11. The curie temperature of ferroelectric films is studied using spin - 1 / 2 transverse ising model with long - range interactions within the framework of an effective - field theory

    我們首先應用有效場理論，在橫場伊辛模型的框架內研究了贗自旋s = 1 / 2的具有長程相互作用的鐵電薄膜的相變性質。
  12. In the thesis, mechanism of ferroelectrics phase transition is discussed

    本論文研究鐵電相變的機制。
  13. Dielectric response in ferroelectric phase transition in barium titanate powder

    粉料鐵電相變的介電效應
  14. A density functional theory investigation of the electronic structure and ferroelectric phase transition of batio3 and pbtio

    鈦酸鉛及鈦酸鋇的電子結構和鐵電相變的密度泛函理論研究
  15. The tetragonal phase of pbtio3 is very stable owing to its large tetragonal strain, and relatively small tetragonal stain of batio3 is an important reason for its low - temperature phase transition

    由於鈦酸鉛具有較大的四方應變，使得其能夠在四方相穩定下來，而鈦酸鋇較小的四方應變是其仍能夠發生低溫鐵電相變的一個重要原因。
  16. In the system, the dipoles " appearance and parallel arrangement lead to occurrence of spontaneous polarization, which is the essence of ferroelectrics phase transition. the interaction between dipoles is long - distance coulomb force

    鐵電相變的實質是系統中電偶極矩的平行排列導致自發極化的出現，電偶極矩的相互作用是長程庫侖力。
  17. But at low temperatures it deviates from the curie - weiss behavior and saturates at even lower temperatures, which can be attributed to the effect of quantum fluctuation that stabilizes the paraelectric phase and suppresses the ferroelectric phase transition entirely

    量子順電體的介電常數在低溫時呈現類似於居里-外斯定律的行為，即顯示出將要發生鐵電相變的徵兆，但直至最低溫度都不發生鐵電相變。
  18. Abstract : on the basis of the theory of controlled phase - changes of piezoceramics, high - temperature polarizing technology makes initial working temperature a little higher than curie temperature of a sample, but the polarization voltage needed is greatly lower than the one needed in normal polarization ( only 1 / 10 - 1 / 5 ). the improved polarizing technology can make polarization more complete

    文摘:壓電陶瓷的高溫極化是利用受控的場致有序化的順電鐵電相變原理，使起始極化溫度略高於樣品的居里溫度，但所需的極化電壓大大低於常規極化，僅為1 / 10 - 1 / 5 ；選擇較高的降溫升壓速率，可使極化趨于更加完全，具有常規極化工藝無可比擬的優越性。
  19. The la - modified thin films with 220nm thickness exhibited diffuse phase transition through the testing of temperature dependence of dielectric permittivity. the abnormal dielectric phenomenon was explained according to the observed relaxor behavior. the influence of post - annealing on the properties of the ferroelectric thin - film capacitors is another component of this thesis

    在薄膜的介電性質方面，通過對介電溫譜的測試，發現對于厚度薄至220nm的薄膜，摻鑭后同樣會導致馳豫型的鐵電相變，並依此解釋了介電常數的「反常」現象。
  20. At present, local morphology was used to discriminate ferroelectric phase area and non - ferroelectric phase area, but once morphology variation of phase transformation was tiny, the ferroelectric phase area and non - ferroelectric phase area was hard to discriminate only from morphology view. however, the introduction of sndm can overcome this limitation, and visualize the investigation of annealing process. combining x - ray diffraction, atomic force microscopy ( afm ) with sndm, the phase transformation process of pzt thin films with different annealing time and of plt films with different annealing temperature were studied, respectively

    結合原子力顯微鏡（ afm ） 、 sndm 、 x射線衍射（ xrd ） ，通過對微區形貌、電容分佈變化和鐵電薄膜結晶情況的表徵和分析，研究了pzt鐵電薄膜和plt鐵電薄膜的晶化過程，分析了不同退火時間對pzt鐵電薄膜微結構，不同退火溫度對plt薄膜的微結構和微區極化分佈的影響，有效克服僅依據形貌特徵判定鐵電相與非鐵電相的局限性，實現鐵電薄膜微區晶化過程的可視化分析，豐富了晶化過程的研究方法。
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