離子晶格能 的英文怎麼說
中文拼音 [lízijīnggénéng]
離子晶格能
英文
ionic crystal lattice energy- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 晶 : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
- 格 : 格象聲詞rattle; gurgle
- 能 : 能名詞(姓氏) a surname
- 離子 : [物理學] ion
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Only large cations with low charge give a stable ionic lattice with the large polyhalide ions.
僅僅帶低電荷的大的陽離子,能和大的多鹵化物離子產生穩定的離子晶格。The results show that effects of alkali metal salts on conductivity are different because of their different anion radium, crystal lattice energy, ionic mobility and solubility in electrolytes, that different ionic conduction modes of electrolytes result to double - peak of salt concentration dependence of conductivity and different temperature dependence, and that different influences of plasticizer to conductivity result from their different action
結果表明,不同堿金屬鹽對電解質電導率的影響因其陽離子半徑、晶格能、離子淌度以及在電解質中的溶解度的不同而不同;電導率的鹽濃度依賴性因電解質的離子傳導方式不同而明顯呈現雙峰形;增塑劑對電導率的影響則因其作用方式不同而產生不同的效果;電導率的溫度依賴性也因電解質的離子傳導方式不同而呈現不同的規律。Again, because the ion influx technique have a little damnification on the skin - deep structure for the cdte thin films, among the experiment, we have let the doped cdte thin films be annealed a hour with n2 atmosphere at 500, and then slowly cooled until the room temperature. via the test and analyse, heat treatment has very important effect on the comeback of crystallattice surface disfigurements. finally, the films were characterized by x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), ultraviolet visible ( uv ) and the hall effect measurement
再次,由於離子注入會對薄膜表面的結構造成損傷,本實驗把被注入離子的cdte薄膜在n2氣氛中500下退火1個小時,然後緩慢冷卻至室溫。經測試分析,熱處理對晶格表面缺陷的恢復有很重要的作用。最後,利用xrd 、 sem 、紫外可見分光光度計及hall測試系統研究其結構,表面形貌和光電性能。The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment
本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。The fluorescence intensity of pb became weak when the crystal phase began to form in tha the lattice vibration absorbed the energy induced by the fluorescent transition
隨著體系中晶態的生成, pb離子進入晶格中,由於晶格振動所產生的聲子吸收了躍遷回落產生的發光能量, pb離子的熒光強度明顯下降。On the basis of one - electron hartree - fock approximation, the extended - ion method and ab initio method have been used to investigate the f center migration between f ~ - layers, br ~ - layers and from f ~ - layer to br ~ - layer. we have calculated the energy barrier of these three f center migrationes and energy of f center, exciton energy. the results of f center and exciton are in good agreement with the experimential data
本文是在單電子hartree - fock近似的基礎上採用擴展離子方法和全電子從頭計算方法,研究了bafbr : eu ~ ( 2 + )晶格中的f ~ -離子層間的f心遷移, br ~ -層的f心遷移和f ~ -離子與br ~ -離子層間f心遷移過程中的能量勢壘和f心基態、激發態以及激子能量,對于f心和激子的研究結果與實驗符合的很好。The phase structure, the lattice constant, crystal grain diameter of the samples was obtained by the x - ray diffractions ( xrd ) spectra. their relations are showed respectively. influence of grain size on the lattice constant of several kind of phase structure was studied theoretically by interaction energy between atoms in nanocrystallites
其次,從結合能的角度出發,研究了nacl結構和cscl結構的離子晶體,面心立方( fcc ) 、體心立方( bcc )金屬晶體以及簡立方( scc ) 、面心立方( fcc ) 、體心立方( bcc )結構分子晶體的晶粒線度對晶格常數的影響。There have been some effects to replace the bst thin film with new films such as ba ( zrti ) o3 ( bzt ). in case of bzt, it is obtained by substituting ions at the b site of the batio3 with zr in compounds of the perovskite structure abo3
Ba ( zrti ) o3 ( bzt )是對batio3 ( abo3 )鈣鈦礦結構進行b位替代,在bzt薄膜中,由於zr4 +離子比ti4 +離子化學穩定性更好,具有更大的離子半徑;引入之後,能夠使其鈣鈦礦晶格變大。According to the sample prepared by hydrothermal method, the doping cations can enter the spinel lattice. rare earth cations mostly occupy position b because of their big radius. cerium are oxidized to ce4 +, whose radius is relatively small, and ce4 + mostly occupies position a. as a whole, the coercivity of cobalt ferrite doped with rare earth element is bigger than that of pure cobalt ferrite
結果表明,對水熱法制備的鐵氧體粒子,雜質離子能夠進入其尖晶石晶格中,並因稀土離子的半徑較大,而絕大部分佔據尖晶石的b位,鈰元素因被氧化成為四價離子,離子半徑相對較小,而主要佔據a位。There is 148mah / g theory capacity in spinel limn2o4, which has lots of advantages, such as synthesize method is simple, the price is low, and is friendly to environment. the spinel limn2o4 is perfect substitution of li - ion batteries cathode. but now it has not been commercialized because its capacity fades during the cycle of charge - discharge
Limn2o4具有尖晶石結構,其理論放電容量達148mah / g ,由於制備工藝簡單、價格低廉、對環境友好等,是一種很有應用前景的鋰離子電池正極材料;尖晶石limn2o4正極材料在充放電循環過程中由於錳元素的溶解、晶格發生jahn - teller變形和電解液的氧化分解,使得容量衰減較快,至今未能商業化。Imagine that the heavy positive ions of the crystal lattice are held in place by strong springs ( the chemical bonds )
想像在晶格中,質量比較大的正離子被強力彈簧(代表化學鍵)所束縛,而熱能會激發離子以某些特定的頻率振動。But in the moderate electric field 150 kv / cm, there is a sharp change in the configuration and charge distribution of the exciton, i. e. the exciton is directly split into an electron polaron and a hole polaron. the polarization and dissociation happen at a same time, which differs from that in conjugated polymers. and in the strong electric field 350 kv / cm, appear structural phase transition of the chain and luminescence quenching
同時得到兩個重要的臨界電場值: 1激子解離電場ec1 ( 150kv / cm ) ,在此電場下激子發生瞬間解離,成為電子型極化子和空穴型極化子; 2結構相變電場ec2 ( 350kv / cm ) ,在ec2下二聚化晶格開始被等距晶格取代, ptcl絡合物鏈發生結構相變,並伴隨peierls能隙漸趨消失和發光猝滅的現象出現。The effects of reactive conditions on the products were discussed and the proper conditions are determined. we primarily synthesize a series of ba1 - xsrxti1 - ysnyo3 solid solutions nanopowder by low - temperature / low - pressure hydrothermal method under the condition of 150, 0. 5mpa
採用低溫一低壓水熱合成法,在150 , o . smpa以下合成了一系列bal一xsrxtil一ysnyo3固溶體納米粉末,由於摻雜離子均勻進入母體晶格以及材料的結晶更完整,使得介電性能明顯改善,不僅t 。分享友人