semiconductors相关论文
Offset quantum-well method for tunable distributed Bragg reflector lasers and electro-absorption mod
A two-section offset quantum-well structure tunable laser with a tuning range of 7 nm was fabricated using offset quantu......
A novel fusion bonding method between silicon and glass with Nd:YAG laser is described. This method overcomes the movabl......
In this paper, the growth and characteristics of ZnCdSe/ZnSe quantum wells (QWs) prepared on ZnOSi (111) templates are r......
通过有限时域差分和有限元方法,对锥状GaAs纳米线阵列太阳能电池的光伏特性进行了仿真。利用有限时域差分仿真研究了形貌和分布特性......
通过对低压化学气相沉积制得的CoSb3纳米薄膜在300~800K温度范围内的热电性能测试,发现其电阻率较其他单晶CoSb3块状样品低一个量级......
Based on the theory of semiconductor laser pattern and the non-paraxial vectorial moment theory of light beam propagatio......
A novel coupled quantum well structure with large field-induced refractive index change and low abso
A novel coupled quantum well structure --- quasi-symmetric coupled quantum well (QSCQW) is proposed. In the case of low ......
主要总结了目前利用超材料与不同的材料或者技术结合实现太赫兹波动态调制器件的研究进展。太赫兹波动态调制器件的功能性来源于超......
Modulation of band energies through size control offers new ways to control photoresponse and photoconversion efficiency......
目的应用碲-锌-镉(CZT) SPECT进行门控心肌灌注显像(GMPI),估测心力衰竭患者的左心室容积和射血分数,并与常规SPECT及心脏MRI进行对......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
用热蒸发的方法合成了铟掺杂的ZnGa2O4纳米线.利用透射电镜和X射线能谱对样品的结构和成分进行了研究.在"之"字形和竹节形两种形貌......
In this review, the progress made during the last two years with respect to the syntheses and novel properties of one-di......
One-dimensional CdS nanocrystals have been prepared by solvothermal method using cadmium acetate as a cadmium precursor,......
目的 在不同质量分数氯化钠溶液中研究3种铬合金表面钝化膜的性能改变,分析其抗腐蚀性能,以期为铬合金的临床应用提供参考.. 分别配......
ZnO tetrapods were synthesized by a typical thermal vapor-solid deposition method in a horizontal tube furnace.Structura......
A green hydrothermal method was proposed for the synthesis of nanocrystalline ZnO2,using Zn5(CO3)2(OH)6 powder and 6 vol......
本文论及半导体与超晶格的数学模型方法的一些新近发展动态.介绍了半导体与超晶格的一些背景材料并给出了半导体宏观模型间的层次......
The binding energies of the lowest singlet and triplet states of positively charged excitons confined to a quantum disc ......
采用水解三氯化铁得到Fe_(3)O_(4)磁核,然后水解四乙氧基硅烷(TEOS)得到Fe_(3)O_(4)@SiO_(2),再在其表面包覆半导体CdS即可得到良......
非贵金属修饰可以有效增强单一半导体的光生电荷分离,进而改善光催化活性。采用一种简单的抗坏血酸室温还原法制备了WO_(3)-Cu复合......
总结了有机/聚合物图像传感器材料的主要特点,对几类典型的材料体系,如共轭聚合物/C60复合体系、共轭聚合物/无机半导体纳米微粒复......
在确保X射线光电子能谱仪(XPS)原有超高真空系统及性能指标的基础上,设计并研制出一套适用于半导体光生电荷分离及迁移的原位XPS分......
非均相光芬顿技术是高级氧化技术的一种,既能克服传统芬顿法的缺点,又能够保持较高的催化效率。本文概述了铁基催化剂在非均相光芬......
利用直流磁控溅射工艺和掩膜技术研制出新型NiFe/Ag/NiFe全金属自旋晶体管试样。该薄膜磁阻系数AR/R≥9%,全金属自旋晶体管试样集电极电......
在溶液的pH值接近中性(7.5)、环境温度接近室温(30℃)的条件下,利用液相法合成了分等级CuO纳米片.用扫描电子显微镜(SEM)和X射线衍射(XRD)对Cu......
在第一原理框架下,采用赝势平面波方法计算研究了Mg2Si晶体的晶胞常数、状态方程和声子谱等性质,得到的晶胞常数与实验值和前人的......
讨论了一维半导体流体动力学模型,得到了小初值情况下Cauchy问题解的整体存在性和解的逐点估计,我们所使用的方法是对相应的线性化......
研究了温度对来自镶嵌在BaO薄膜中的纳米银粒子的光电发射的影响.在不同温度下计算和讨论了其光电发射谱(入射波长在0.2~0.8 μm).......
从理论上分析了产生接触电阻的原因,建立了切割回路中的导电原理模型。分析了如进电方式、进电材料、接触压力等因素对接触电阻的......
一维纳米材料(碳纳米管、纳米线、氧化物纳米带)作为研制纳电子器件理想的材料具有重要的科学意义和应用前景.本工作主要集中在氧化物......
探讨了在初值u0,v0∈L^2 +(Ω)的条件下,一类非退化半导体方程其混和初边值问题弱解的渐近性.在L^2 +(Ω)空间上构造了一个熵函数,利用带ε的......
【目的】评价声带息肉摘除术后半导体激光的辅助治疗效果。【方法】选取本院门诊声带息肉患者147例,随机分为两组:实验组73例,在纤维......
利用化学方法在常温下成功地制备了ZnO胶体, 颗粒尺寸在5 nm以下, 其量子限域效应十分明显. 通过跟踪测试样品的吸收谱, 估价了带......
将密度泛函理论第一性原理的计算方法与晶体结构预测CALYPSO软件相结合,在0~100 GPa下对BeP2的结构进行预测,研究了其在高压下的结......
目的研究非线性退化半导体方程在初值u0,v0∈L2+(Ω)的条件下,其混和初边值问题弱解的存在性。方法利用截断的方法先将原问题正则化,对正......
1Results and DiscussionOrganic semiconductors employed as active layers in field-effect transistors (FETs) are of great ......
Over the past half a century, considerable research activities have been directing towards the development of magnetic s......
低维半导体纳米材料由于具备许多特殊的电学及光学性能,近年来受到研究学者的广泛关注。综述了近期国内外低维Ⅳ族元素半导体纳米材......
In 1951,Huang firstly proposed the concept of polariton and derived its dispersion relation by combing lattice vibration......
The invention of laser has tremendously changed the world. Great efforts have been made to increase the laser power, in ......
Motivated by the success of graphene research,atomically-thin transition metal dichalcogenide(TMDC)semiconductors are co......