光学带隙
- 网络optical band gap;optical gap;photonic band gap
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W掺杂量对非晶态TiO2:W薄膜光学带隙的影响
Effects of W Dope on the Optical Band Gap of Amorphous TiO_2 : W Thin Films
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随着Sb掺杂浓度的增加,SnO2:Sb薄膜的光学带隙变大。
As Sb concentration increased , the optical band gap of SnO2 : Sb films were enlarged .
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光学带隙的结果表明它与膜中的C、F元素含量和键结构都有关系;
The result of the optical gap shows that it was related to contents of C , F and C F.
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石英衬底上的BPxN(1-x)薄膜沉积及P对其光学带隙调制的研究
Phosphor Induced Optical Band Gap Modulation of BP _ x N _ ( 1 - x ) Films
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Mn掺杂导致了ZnO晶格常数和光学带隙的增加,并且诱导了微结构的无序性。
Mn incorporation results in the increase of the lattice constant and band-gap energy of ZnO , and also induces microstructural disorder .
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采用偏光电反射(ER)谱法测定室温下N~+P结Si间接光学带隙。
The electroreflectance ( ER ) method was used to measure the indirect optical energy gaps in silicon N + - P junction .
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本文报导了未掺杂的a&Si∶H/a-si(1-x)Cx∶H超晶格的PPC效应及光学带隙的兰移现象。
The PPC effects and blue shift of optical bandgap in undoped a-Si : H / a-Si_ ( 1-x ) C_x : H superlattices are presented .
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Co掺杂会影响样品的可见光的范围内光透过率,对ZAO薄膜的光学带隙变化影响较小。
Co doping will affect the transmittance of the sample , the less impact on the change of the optical band gap of ZAO films .
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对等离子体增强化学气相沉积技术(PECVD)制备的微晶硅(μc·Si)薄膜的电导率、光学带隙和晶化率随温度和功率的变化规律进行了研究。
Microcrystalline silicon film was prepared by the plasma enhanced chemical vapor deposition ( PECVD ) . The performance of μ c-Si : H film changed with pressure and temperature has been investigated .
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本文主要研究cBN薄膜的制备、光学带隙以及BN(n-type)/Si(p-type)异质结的特性。
This dissertation focuses on the preparation of cBN films , their optical gaps , and the characteristics of BN ( n-type ) / Si ( p-type ) heterojunction .
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根据(ahv)2-hv曲线可以得出其光学带隙Eg,且Eg随掺杂浓度的不同而发生变化。
The optical band gaps of films can be obtained according to the ( ahv ) 2 ~ hv plots , and they varied with the content of dopant .
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微波ECR-CVD法制备a-C:F:H膜的红外吸收及其光学带隙
IR Absorbance and Optical Band Gap of C : F : H Films Deposited with Microwave ECR-CVD Method
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在发光特性方面,通过测试获得In2O3颗粒的紫外可见光透射谱,获得其光学带隙值。
The optical band gap value of In2O3 particles is measured from the UV-Vis transmission spectrum and the photoluminescence spectrum is studied by fluorescence spectrometry .
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当生长温度从室温升高至400℃时,sp2团簇的变大使C原子的有序度增强,从而导致薄膜的光学带隙变窄,发光峰红移且半高宽变小。
When the deposition temperature increases from RT to 400 ℃, the sp2 C atom clusters grow and C atoms ordering occurs in the films , leading to the optical gaps becoming narrower , the photoluminescence peak red-shift and the FWHM becoming narrower .
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样品的光学带隙比较大,可以达到5.6eV以上。(3)XPS显示,利用溅射法制备的样品中杂质比较少;利用反应溅射法可以得到具有合适化学配比的薄膜。
Optical band gap of the samples is up to 5.6 eV or more . ( 3 ) XPS results showed that the sputtered samples had the fewer impurities . By reactive sputtering method , the stoichiometric film can be obtained .
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首先采用MPB软件,分别计算了SiO2Opal的光学带隙以及两种模型(填充模型与核壳模型)下Si-SiO2复合体与Si反Opal的光学带隙。
The photonic band gaps of SiO_2 opal , Si-SiO_2 composite and Si inverse opal were calculated , further the Si-SiO_2 composite and Si inverse opal were endured with filling model and core-shell model .
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紫外一可见光透射/反射谱测量发现在534nm处出现一个很强的透射谷/反射峰,表明该光子晶体在534nm的可见光范围内存在一个较宽的光学带隙(PBG)。
The transmission and reflectance spectrum of the sample showed a clear transmission valley / reflectance peak at 534 nm , indicating that the PC had a large photonic band gap in the range of visible wavelength .
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使用台阶仪测量退火前后膜厚的变化;用紫外可见分光光度计(UV-VIS)测量了膜的透光谱,并计算了其光学带隙;
The thickness of films was measured by a profilometer ( ET350 , Japan ) before and after annealing and the optical transmission spectrum was obtained by a Ultraviolet-Visible ( UV-VIS ) spectrophotometer ( - 17 , PklinElmer ) and optical bandgap was calculated .
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为进一步提高CdSe的应用价值、扩展其应用范围,有必要对CdSe的光学带隙进行调节、改变其导电类型、提高载流子浓度。
With a view to further improving the application value and application areas , it is necessary to adjust the band gap , to change the type of conduction , and to raise the concentration of charge carrier of CdSe .
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制备了一系列表面包覆油酸的TiO2超微粒.结果表明,表面包覆油酸的TiO2超微粒的表观光学带隙(Es)随着超微粒粒径减小变小;
A series of TiO2 ultrafine particles ( UFP ) coated with a layer of oleic acid radicals were synthesized , and we found that the apparent optical band gap decreased and the red shift of optical absorption band edge increased when the diameter of TiO2 UFP coated decreased .
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随着气体流量比的增大,沉积a-C:F薄膜中的碳含量增大,CF、CF2、CF3含量减少,C-C交链成分增加,从而使得π-π吸收增强,并引起薄膜光学带隙下降。
The CF , CF_2 and CF_3 bonds decrease and the C-C bonds increase with increasing gas flow ratio , which leads to enhancement of π - π ~ absorption and reduction of optical gap .
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我们的研究表明,Mg元素掺杂CdSe可以调节系统的光学带隙,使其光响应范围基本覆盖整个可见光区;Ag和In掺杂CdSe可以改变其导电类型,提高载流子浓度。
It is shown that the band gap of Mg doped CdSe can be modulated to cover almost the whole visible light region . For the Ag and In doped CdSe systems , the type of conduction can be changed , and the concentration of charge carrier can be raised .
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以乙二胺作为耦合剂和稳定剂,通过溶胶-凝胶法,系统研究了退火气氛、退火温度对CZTS薄膜的相结构、形貌和光学带隙的影响。
Using ethylenediamine as a coupling and stabilizer agent , the impact of annealing atmosphere and temperature on sol-gel derived CZTS phase structure , morphology , and optical band gap have been investigated systematically .
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本文主要研究了立方氮化硼(c-BN)薄膜的制备、成核机理、光学带隙以及氮化硼(BN)/Sin-p和BN/Sip-p薄膜异质结的电学性质。
This paper focuses on the preparation of cubic boron nitride ( c-BN ) thin films , nucleation mechanism of c-BN thin films , their optical gaps , and the electrical characteristics of boron nitride ( BN ) / Si heterojunctions ( include n-p and p-p heterojunctions ) .
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在较高的微波功率条件下,沉积薄膜的光学带隙减小。
At higher microwave power , the optical energy gap decreases .
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研究结果表明:1.微晶硅薄膜的光学带隙随着沉积气压的升高而单调下降。
The values of optical band gap decrease with increasing gas pressure .
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氟化非晶碳膜的光学带隙和伏安特性
The optical gap and I-V characteristic of a-C ∶ F thin film
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近红外光学带隙硅三维光子晶体的制备
Preparation of the Three-dimensional Silicon Photonic Crystal with a Photonic Band Gap Near Infrared
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这样的原子键结构变化导致薄膜光学带隙增大(从3.06eV增加到了3.33eV)。
Such atomic bonding configuration variation was found to induce enlarged optical band gap .
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纳米硅带尾态能量分布及其光学带隙
The energy distribution of band tail states of NC Si and its optical gap