Well-width dependence of the emission linewidth in ZnO/MgZnO quantum wells [0.03%]
锌镁氧化物量子阱中的发光线宽及其对阱宽度的依赖关系
Xue-Qin Lv,Jiang-Yong Zhang,Lei-Ying Ying et al.
Xue-Qin Lv et al.
Photoluminescence (PL) spectra were measured as a function of well width (LW) and temperature in ZnO/Mg0.1Zn0.9O single quantum wells (QWs) with graded thickness. The emission linewidth (full width at half maximum) was extracted from the em...
Morphological, compositional, structural, and optical properties of Si-nc embedded in SiOx films [0.03%]
Si-SiOx薄膜中嵌入的硅纳米晶的形貌、成分、结构和光学性质
J Alberto Luna López,J Carrillo López,D E Vázquez Valerdi et al.
J Alberto Luna López et al.
Structural, compositional, morphological, and optical properties of silicon nanocrystal (Si-nc) embedded in a matrix of non-stoichiometric silicon oxide (SiOx) films were studied. SiOx films were prepared by hot filament chemical vapor depo...
A flexible nanobrush pad for the chemical mechanical planarization of Cu/ultra-low-к materials [0.03%]
适用于铜/超低介电常数材料化学机械平坦化的柔性纳米刷垫
Guiquan Han,Yuhong Liu,Xinchun Lu et al.
Guiquan Han et al.
A new idea of polishing pad called flexible nanobrush pad (FNP) has been proposed for the low down pressure chemical mechanical planarization (CMP) process of Cu/ultra-low-к materials. The FNP was designed with a surface layer of flexible ...
Cytotoxicity, oxidative stress, and genotoxicity in human hepatocyte and embryonic kidney cells exposed to ZnO nanoparticles [0.03%]
锌 oxide纳米颗粒暴露下人肝细胞和肾胚细胞的细胞毒性、氧化应激及遗传毒性研究
Rongfa Guan,Tianshu Kang,Fei Lu et al.
Rongfa Guan et al.
Traces of zinc oxide nanoparticles (ZnO NPs) used may be found in the liver and kidney. The aim of this study is to determine the optimal viability assay for using with ZnO NPs and to assess their toxicity to human hepatocyte (L02) and huma...
Morphological evolution of Ge/Si(001) quantum dot rings formed at the rim of wet-etched pits [0.03%]
Ge/Si(001)量子点环的形态演化及其坑边的湿法刻蚀轮廓
Martyna Grydlik,Moritz Brehm,Friedrich Schäffler
Martyna Grydlik
We demonstrate the formation of Ge quantum dots in ring-like arrangements around predefined {111}-faceted pits in the Si(001) substrate. We report on the complex morphological evolution of the single quantum dots contributing to the rings b...
Wetting layer evolution and its temperature dependence during self-assembly of InAs/GaAs quantum dots [0.03%]
在InAs/GaAs量子点自组装过程中湿ting层的演化及其温度依赖性
Hongyi Zhang,Yonghai Chen,Guanyu Zhou et al.
Hongyi Zhang et al.
For InAs/GaAs(001) quantum dot (QD) system, the wetting layer (WL) evolution and its temperature dependence were studied using reflectance difference spectroscopy and were analyzed with a rate equation model. WL thicknesses showed a monoton...
Mahmood Mahmoodian,Matvey Entin
Mahmood Mahmoodian
: The existence of moving indirect excitons in monolayer graphene is theoretically evidenced in the envelope-function approximation. The excitons are formed from electrons and holes near the opposite conic points. The electron-hole binding ...
In situ wet-cell TEM observation of gold nanoparticle motion in an aqueous solution [0.03%]
水溶液中金纳米颗粒的原位湿TEM观测研究
Xin Chen,Jianguo Wen
Xin Chen
In situ wet-cell transmission electron microscopy (TEM) technology enables direct observation of nanomaterials in a fully hydrated environment with high spatial and temporal resolution, which can be used to address a wide range of scientifi...
Roberto Martini,Valerie Depauw,Mario Gonzalez et al.
Roberto Martini et al.
: Because of its optical and electrical properties, large surfaces, and compatibility with standard silicon processes, porous silicon is a very interesting material in photovoltaic and microelectromechanical systems technology. In some appl...
Fabrication and spectroscopic investigation of branched silver nanowires and nanomeshworks [0.03%]
分形银纳米线和纳米网的合成及光谱学研究
Xiao-Yang Zhang,Tong Zhang,Sheng-Qing Zhu et al.
Xiao-Yang Zhang et al.
Wide wavelength ranges of light localization and scattering characteristics can be attributed to shape-dependent longitude surface plasmon resonance in complicated nanostructures. We have studied this phenomenon by spectroscopic measurement...