磁晶各向異性 的英文怎麼說
中文拼音 [cíjīnggèxiàngyìxìng]
磁晶各向異性
英文
magnetocondutivity- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 晶 : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
- 異 : 形容詞1 (有分別; 不相同) different 2 (奇異; 特別) strange; unusual; extraordinary 3 (另外的;...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
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Moke and fmr studies were performed on epitaxial single crystalline fe ph. d thesis ; investigations of magnetic properties on magnetic thin, ultrathin and patterned films ultathin films on iii - v semiconductor inas substrate with thickness of 8 - 25monolayer ( ml ). the major findings are listed below : ( 1 ) the in - plane magnetic crystalline anisotropy of film with 8 - 25 ml thick are four - fold anisotropy, and the in - plane unixial anisotropy of fe / inas films decreses faster with thickness than that in fe / gaas films. it could be explained that the stain relaxation of fe / inas films is also faster than that in fe / gaas films as indicated by leed
對于外延生長在inas襯底上、厚度為8 - 25ml的超薄fe單晶膜進行了鐵磁共振和磁光研究,獲得以下幾點結果: ( 1 )膜厚在8 - 25ml之間時,薄膜面內的磁晶各向異性為四度對稱各向異性,垂直單軸各向異性比同厚度的fe gaas系統小許多,而立方各向異性則比fe gaas系統更接近bcc結構的fe 。In this thesis, mainly by fmr, combined with moke and magnetic measurement, systematical studies have been made on the magnetic properties, especially magnetic anisotropy in epitaxial single crystalline fe ultathin films on gaas and inas substrates in polycrystalline thin films and in polycrystalline nife and nifeco patterned films of micron and submicron rectangular elements arrays
本論文以鐵磁共振為主要研究手段,輔助以磁性和磁光測量,對外延于gaas及inas上的不同厚度的單晶fe超薄膜、不同厚度的nife多晶薄膜和電子束光刻的多晶nife和nifeco單層利三明治結構的微米及亞微米矩形單元陣列圖形薄膜的磁性,特別是磁各向異性進行了較為系統的研究。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原子層厚度( monolayer ,簡稱ml )的fe單晶超薄膜進行了鐵磁共振( fmr )和磁光研究,建立了理論模型對鐵磁共振實驗結果進行了模擬,重現了不同厚度的超薄膜,從納米團簇到兩相共存的過度階段直至連續薄膜結構與磁性的變化,特別是磁各向異性從單軸各向異性向立方各向異性轉變的演化過程。The change of lattice constants and the cell volume expansion are calculated, which make an important contribution to the increase of the magnetocrystalline anisotropy
計算了引起材料磁晶各向異性大大增加的點陣常數的變化和體積膨脹量。And the sm ( cocufezr ) z thin films with lower magnetocrystalline anisotropy constant of cell boundary phase will have a higher coercivity
而較低的胞壁相磁晶各向異性常數k1 ,則有助於獲得高的釘扎場。In this paper we put fonvard the method of introducing the light and middling lanthanon into the tb - fe - co magneto - optical materials by taking advantage of the higher saturation magnetization intensity, higher anisotropy and higher magneto - optical effect of light and middling rare - earth. moreover the law and mechanism of how the addition affect the magneto - optical property of the films were discussed
本文是在比較、總結現有關于tbfeco磁光薄膜的理論和背景研究的基礎上,利用輕、中稀土元素的高飽和磁化強度、高磁晶各向異性、高磁光效應的優點,提出在傳統的tbfeco磁光材料中摻入輕、中稀土元素的方法。The main origin of the perpendicular magnetic anisotropy in tbco amorphous films is the static interaction between the aspheric distribution charges of non - s tb ions and the aberrant crystal field produced in sputtering and deposition process. the magnetic dipole interaction is in a secondary cause
對于tbco非晶垂直磁化膜而言,具有非球對稱電荷分佈的非s態離子tb與濺射沉積薄膜過程中產生的畸變晶格場之間的靜電相互作用構成了tbco非晶薄膜垂直磁各向異性的主要部分, tbco薄膜內的磁偶極相互作用構成了其次要部分。Based on the micromagnetic model of the sm ( cocufezr ) z thin films presented in this thesis, the pining field has been computed with different physical parameters of the cell boundary phase
本文首先建立了sm ( co , cu , fe , zr ) z薄膜疇壁釘扎的二維微磁學模型,研究了胞壁相的厚度和磁晶各向異性常數對疇壁釘扎的影響。Among all the samples, one sample shows outstanding magnetic properties as the shape anisotropy of the sample plays an important role on the magnetic properties
其中一摻鈷和鈰的鐵氧體晶體,因粒子形狀表現出各向異性,該樣品具有很好的磁性能。Crystal magnetic anisotropy energy
晶體各向異性磁能To obtain the mechanism, we find the temperature " contribution to the magnetic anisotropy. the change of the temperature have a main effect on the occupied probability to all the energy levels. to the diverse crystal site, the probability is not identical
為進一步分析ergag石榴石磁性各向異性的產生機理,我們計算溫度的變化對ergag磁化的貢獻,發現溫度的變化對不同方向磁化的影響也很大,溫度的變化影響了離子占據能級的幾率,並且沿不同磁化方向,對不同晶座,溫度的影響也有著不同的差異。This paper shows the investigation on the magnetic properties of the single crystal ergag under high magnetic field by quantum theory, and gains the magnetic anisotropy. it is in good agreement with the result of the experiment. using quantum theory, taking the special microscopic structure of ergag into account, we calculate and analyse the splitting of the lowest level ( 4i15 / 2 ) according to the crystal field
本文作者經過詳細推導和計算第一次用量子理論定量計算了磁場作用下單晶ergag石榴石的磁特性,得出了在外磁場下ergag石榴石在溫度4 . 2k時產生的與實驗基本吻合的磁性各向異性現象,利用量子理論,鑒于ergag的特定的微觀結構,計算基態( 4 ~ i _ ( 15 / 2 ) )能級在晶場作用下的劈裂,得出由於ergag的順磁性,故其晶場作用下晶體的總磁矩應該為零。Recently, magnetoplumbite hexagonal ferrites have been considered as attractive candidates for high - density recording materials because of the good mechanic, chemical properties and high magnetic anisotropy
近年來,磁鉛石型六角鐵氧體以其優良的機械耐磨性,優異的化學穩定性,高的磁晶各向異性而被認為是一種極有潛力的高密度磁記錄介質。Influence of site preference of al atoms on magneto crystalline anisotropy of gd2co17 compounds
17化合物磁晶各向異性的影響Simulation of magneto - crystalline anisotropy energy of cold rolled non - oriented silicon steel
冷軋無取向硅鋼的磁晶各向異性能的模擬The reason why the existence of cr underlayers enhanced the pma energy of tbco films is that the existence of cr underlayers leads to forming the columnar structure and enhancing the inner stress in tbco films, thereby, enhancing the pma energy
金屬cr底層增強tbco薄膜垂直磁各向異性的主要原因是:金屬cr底層的存在將可以使得tbco非晶垂直磁化膜內產生柱狀結構,而且會增強薄膜的內應力,從而使得其磁各向異性能增加。As a kind of condensed state matter, the characteristic and structure of liquid crystal between solid crystal and isotropic liquid. it is a ordering liquid, as the macroscopical characters are concerned, it have the flowing power and viscidity like liquid, and the anisotropy like crystal, it has birefringence, bragg reflection, diffraction and optical rotation like crystal. furthermore, it has thermal light effect, electrical light effect or magneto optical effect in outside field
它是一種有序性的液體,從宏觀物理性質上看,既具有液體的流動性、粘滯性,又具有晶體的各向異性,能象晶體一樣發生雙折射、布拉格反射、衍射及旋光效應,也能在外場作用下產生熱光、電光或磁光效應。The improved theory have succeeded in applying to gaussian model. in the third chapter, based on the single - spin transition dynamics, we discuss the time evolution of the local magnetization in the anisotropic three - dimensional xy model under the zero external field
第三章在單自旋躍遷臨界動力學的基礎上,討論零場下三維( 3d )各向異性晶格上xy模型的局域磁化強度的時間演化。The tbco amorphous films with and without cr underlayer had been successfully prepared onto glass substrate by magnetron sputtering method. the influence of the preparing conditions to the structure, coercivity and the perpendicular magnetic anisotropy ( pma ) of tbco films were investigated. and the origin of the pma in these films was studied
採用磁控濺射法在玻璃基片上成功地制備了帶有和不帶有金屬cr底層的tbco非晶垂直磁化膜,研究了制備工藝對tbco薄膜結構、矯頑力、垂直磁各向異性的影響,並對tbco非晶垂直磁化膜的磁各向異性來源進行了研究。分享友人