激子發光 的英文怎麼說

中文拼音 [jīzifāguāng]
激子發光 英文
excitonic luminescence
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 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...
  • 發 : 名詞（頭發） hair
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 發光 : 1 （發出光來） give out light; shine; be luminous; brighten; fulgurate; flash; glow; sparkle; gli...
  1. The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "

    認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的；隨激光能量的增加， cu等離子體特徵輻射（分立譜） 、連續背景輻射（連續譜） 、電子溫度都出現最大值；結合對al的實驗結果說明：激光燒蝕金屬產生的等離子體，其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值；背景氣壓對激光燒蝕等離子體譜線的影響，其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。
  2. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    （ 2 ） cu等離子體光譜：在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈；比較了激光能量對cu等離子體發射光譜、電子溫度的影響；用局部熱力學平衡（ lte ）近似，測得cu等離子體的電子溫度為104k數量級；在不同背景氣壓下，觀測了激光燒蝕cu等離子體光譜的空間分佈。
  3. The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser

    大功率半導體量子阱激光器是一種性能優越的發光器件，具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點，廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎，對器件的光學和電學性能有著重要的影響，生長不出優質的材料體系，獲得高性能的器件就無從談起，因此，材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。
  4. Light from ordinary stars and galaxies comes largely from atoms powered by thermonuclear reactions in the hearts of stars.

    來自一般恆星和星系的光，主要是那些受恆星內部的熱核反應所激發的原子發射出的。
  5. The ps ii native fractions ( 20 % and 30 % ) were loaded onto a deae column. the fraction eluted with 150 mm nacl was presented dcip reduction activity and was highly depleted in chi c and xanthophylls, and as such could be considered a ps ii core complex

    對于有dcip光還原活性的20和30層帶的復合物，進一步deae離子交換層析純化。 150mmnacl洗脫純化后的樣品經過熒光激發光譜測定發現，已經去除了葉綠素c和墨角藻黃素，並且仍然具有dcip的光活性，分析是ps核心復合物。
  6. Hence, the spectrum is called a line spectrum ; it is also called an atomic emission spectrum, since it is produced by emission of light from excited atoms

    因此，這個光譜也被稱為線光譜，也被稱為原子發射光譜，因為它是由被激活的原子發出的光產生的。
  7. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量子系統傳播子的abcd形式理論的基礎上，引入某一方向的束寬、發散角、曲率半徑和品質因子等光束傳輸參數來表徵橫向勢能滿足x和y分量相互獨立的原子激光的傳輸。
  8. Argon laser induced auto - fluorescence spectra of normal tissue, benign adenoma and cancer of thyroid were investigated in vitro

    摘要用氬離子激光器作為激發光源，對甲狀腺正常組織、良性瘤及癌的離體組織標本進行了激光誘導組織自體熒光光譜分析。
  9. We have prepared a series of neodymium binary / ternary complexes, such as nd ( acac ) 3 ' 2h2o, nd ( tfa ) 3 ' 2h2o, nd ( hfa ) 3 ' 2h2o, nd ( dbm ) 3 ' h2o, nd ( acac ) 3phen, nd ( tfa ) 3phen, nd ( hfa ) 3phen, nd ( dbm ) 3phen, nd ( tta ) 3 ( tppo ) 2, nd ( hfa ) 3 ( tppo ) 2, nd ( acac ) 4hpy, nd ( tta ) 4hpy and ndq3. the effects of organic ligands, synergistic coordination agents and different substitution groups for - diketones on effective line width and photoluminescence intensity of neodymium complexes were investigated. the photoluminescence spectra indicate that synergistic coordination agents can shield neodymium ion and impede water molecules penetrating into inner coordination shell to satisfy large coordination number of nd3 + during hydrous synthesis process, so the luminescence intensity of neodymium ternary complexes is stronger than that of neodymium binary complexes

    發光光譜研究表明，由於協同試劑的參與，屏蔽了水分子參與配位，降低了羥基（ oh ）對釹離子激發態能級~ 4f _ （ 3 2 ）的猝滅，三元配合物的熒光強度均比二元配合物強，其中配合物nd （ tta ） _ 3 （ tppo ） _ 2在1340nm處的熒光強度最強，適合作為摻雜的光學活性物質，來制備有源光波導材料；在有水工藝條件下，單純地氟化配體未必能提高釹配合物的近紅外發光性能。
  10. The enthalpy change on dsc curve suggests that the transition is one from low - ordered state to a higher - ordered state. a stacking mood that the 4 - trifluoro - methyl - 2, 3, 5, 6 - tetrafluorophenylmserts in between two perylene - macrocycles is confirmed by theoretical quantum calculation, such an insertion effect leads to the inversion of ( 0, 0 ) and ( 0, 1 ) absorption features under low temperature and the dramatic decrease of exciton coupling, which contributes to the spectral similarity in solution and the solid state

    量子化學的計算結果支持氟取代的苯環嵌入兩個相鄰的?環之間的分子堆砌方式，使得在常溫到150左右f - ptcdi固體薄膜的紫外-可見吸收光譜的（ 0 ， 0 ）和（ 0 ， 1 ）性狀的強度對比發生「反轉」 ；氟取代苯環的嵌入大大降低激子耦合，使固體吸收光譜性狀與溶液類似。
  11. When light emitted by excited atoms passes into a spectrometer through a narrow slit, a series of discrete lines ( lines, because that is the shape of the slit ) of color is produced

    當被激活的原子發出的光通過一個狹縫發散為一個光譜時，就產生了一系列的離散線條（與狹縫的開關一樣） 。
  12. In low - dimension structure, the exciton binding energy will be lager than bulk material because of quantum effects, so excitons play an important role in optical characteristics of low - dimension zno

    在低維結構中，由於量子限制效應，激子束縛能會變得更大，因而在低維zno材料中，激子發光在其光學特性中起著舉足輕重的作用。
  13. Due to the large exciton binding energy of 60mev, which ensures the high efficient excitonic emission at room temperature, it is regarded as one of the most promising materials for fabricating efficient ultraviolet ( uv ) and blue light emitting devices

    由於氧化鋅具有較高的激子束縛能（ 60mev ） ，保證了其在室溫下較強的激子發光，因而被認為是製作紫外半導體激光器的合適材料。
  14. This direct band - gap material has a large exciton binding energy ( 60mev ), which permits excitonic recombination even at room temperature. thus zno is attracting much attention as promising candidates for optoelectric applications in visible and ultraviolet regions

    它有較高的激子束縛能（常溫下為60mev ） ，使得其在室溫下可以發射紫外激光，因此作為新一代的半導體發光材料受到廣泛關注。
  15. We obtained a high quality zno thin film with the pl fwhm of 94 mev at 900. the free exciton binding energy deduced from the temperature - dependent pl spectra is about 59 mev at 900, suggesting that the film quality can be improved by annealing process

    當退火溫度為900時獲得了高質量的氧化鋅薄膜，光致發光譜的半高寬為94mev ，通過變溫實驗得到激子束縛能為59mev ，表明退火過程提高了薄膜的質量。
  16. Phosphorescent electroluminescent materials and devices are one of prime focuses of organic light - emitting device research in recent years due to their ability to efficiently utilize both singlet and triplet excitons and having higher efficiency

    有機電致磷光材料可以同時利用單線態和三線態激子發光，具有發光效率高等優點，成為近年來研究的熱點。
  17. Due to the large exciton binding energy of 60mev, which ensures the high efficient excitonic emission at room temperature, it is regarded as one of the most promising materials for fabricating efficient ultraviolet ( uv ) and blue light emitting devices. since the first observation of the stimulated ultraviolet emission at room temperature, zno has become another hotspot in the region of uv light emitting researching

    氧化鋅在室溫條件下具有較高的激子束縛能（ 60mev ） ，保證了其在室溫下較強的激子發光，是製作紫外光電子器件的合適材料，自1997年首次發現zno室溫紫外受激發射以來， zno研究已成為繼gan之後紫外發射材料研究的又一研究熱點。
  18. We also have analyzed the photoluminescence ( pl ) spectra of some zno films, it turns out that the emission of ultraviolet light comes from the radiative recombination of excitons within nano - crystal energy band - gap, and the pl peaks move to smaller wavelength because zn are substituted by fe, co, and cu, which cause the size of the film grains smaller and the effective band - gap bigger. the red emission of zno films is due to, on the one hand, decrease of the film grains size which causes the emission intensity smaller and smaller until it disappears abruptly, on the other hand, the transition of electrons from deep donor level of the oxygen vacancies to the valence band

    另外，我們還對薄膜光致發光性質進行了分析和研究，結果表明：納米結構zno薄膜的紫外發光來源於帶間激子的輻射復合發光， pl譜的帶邊發射峰發生藍移是由於fe 、 co 、 cu對zn的替代使薄膜粒子的尺寸減小，使薄膜的有效帶隙增寬； zno薄膜的紅色發光，一方面是zno顆粒尺寸的減少，帶間的激子發射峰越來越弱直至猝滅，另一方面主要是與zno晶格中的o空位有關，由深能級復合發光引起紅光發射。
  19. It is widely accepted that zno is one of the most promising materials for producing an ultraviolet laser at room temperature due to its wide direct band gap ( eg = 3. 3ev ) and large excitonic binding energy of 60 mev, which was testified by the results of optically pumped stimulated emission and lasing from zno thin films

    氧化鋅作為一種寬帶隙半導體（ 3 . 3ev ） ，激子束縛能大（ 60mev ） ，在室溫下容易獲得強的激子發射，而且可能成為紫外激光的重要材料。因此，對氧化鋅的研究已成為繼gan之後寬帶隙半導體研究的又一熱點。
  20. 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。
分享友人
分享到 Line

分享到臉書