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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共81条记录   Probing the Radiative Transition of Single Molecules with a Tunable Microresonator [作者：Chizhik, AI; Chizhik, AM; Khoptyar, D; Bar, S; Meixner, AJ; Enderlein, J,期刊：Nano Letters, 页码：1700-1703 , 文章类型： Article，,卷期：2011年11-4] Using a tunable optical microresonator with subwavelength spacing, we demonstrate controlled modulation of the radiative transition rate of a single molecule, which is measured by monitoring its fluorescence lifetime. Va... Controlled Synthesis of Germanium Nanowires and Nanotubes with Variable Morphologies and Sizes [作者：Li, XD; Meng, GW; Xu, QL; Kong, MG; Zhu, XG; Chu, ZQ; Li, AP,期刊：Nano Letters, 页码：1704-1709 , 文章类型： Article，,卷期：2011年11-4] We report on the controlled growth of germanium (Ge) nanostructures in the form of both nanowire (NW) and nanotube (NT) with ultrahigh aspect ratios and variable diameters. The nanostructures are grown inside a porous an... Element-Specific Magnetic Hysteresis of Individual 18 nm Fe Nanocubes [作者：Kronast, F; Friedenberger, N; Ollefs, K; Gliga, S; Tati-Bismaths, L; Thies, R; Ney, A; Weber, R; Hassel, C; Romer, FM; Trunova, AV; Wirtz, C; Hertel, R; Durr, HA; Farle, M,期刊：Nano Letters, 页码：1710-1715 , 文章类型： Article，,卷期：2011年11-4] Correlating the electronic structure and magnetic response with the Morphology and crystal structure of the same single ferromagnetic nanoparticle has been up to now an unresolved challenge. Here, we present measurements... Crystal Face Dependent Chemical Effects in Surface-Enhanced Raman Scattering at Atomically Defined Gold Facets [作者：Ikeda, K; Suzuki, S; Uosaki, K,期刊：Nano Letters, 页码：1716-1722 , 文章类型： Article，,卷期：2011年11-4] Among electromagnetic and chemical (CM) contributions to surface-enhanced Raman scattering (SEAS), the former is becoming controllable according to the recent progress in nanofabrication of plasmonic metal structures. Ho... Block Copolymer Nanoparticles as Nanobeads for the Polymerase Chain Reaction [作者：Zhang, SY; Prud'homme, RK; Link, AJ,期刊：Nano Letters, 页码：1723-1726 , 文章类型： Article，,卷期：2011年11-4] New sequencing technologies based on massively parallel signature sequencing (MPSS) have been developed to reduce the cost of genome sequencing. In some current MPSS platforms, DNA modified micrometer-scale beads are use... Nanotextured Metal Copper Substrates as Powerful and Long-Lasting Fuel Cell Anodes [作者：Filanovsky, B; Granot, E; Dirawi, R; Presman, I; Kuras, I; Patolsky, F,期刊：Nano Letters, 页码：1727-1732 , 文章类型： Article，,卷期：2011年11-4] Fuel cells (FCs) are promising electrochemical devices that convert chemical energy of fuels directly into electrical energy. We present a new anode material based on nanotextured metal copper for fuel cell applications.... Visualizing Gold Nanoparticle Uptake in Live Cells with Liquid Scanning Transmission Electron Microscopy [作者：Peckys, DB; de Jonge, N,期刊：Nano Letters, 页码：1733-1738 , 文章类型： Article，,卷期：2011年11-4] The intracellular uptake of 30 nm diameter gold nanopartides (Au-NPs) was studied at the nanoscale in pristine eukaryotic cells. Live COS-7 cells were maintained in a micro-fluidic chamber and imaged using scanning trans... Construction of a Structurally Defined Double-Stranded DNA Catenane [作者：Schmidt, TL; Heckel, A,期刊：Nano Letters, 页码：1739-1742 , 文章类型： Article，,卷期：2011年11-4] Topologically interlocked structures like catenanes and rotaxanes are promising components for the construction of molecular machines and motors. Herein we describe the construction of double-stranded DNA catenanes for D... Influence of Homogeneous Interfaces on the Strength of 500 nm Diameter Cu Nanopillars [作者：Jang, DC; Cai, C; Greer, JR,期刊：Nano Letters, 页码：1743-1746 , 文章类型： Article，,卷期：2011年11-4] Interfaces play an important role in crystalline plasticity as they affect strength and often serve as obstacles to dislocation motion. Here we investigate effects of grain and nanotwin boundaries on uniaxial strength of... Cluster Synthesis and Direct Ordering of Rare-Earth Transition-Metal Nanomagnets [作者：Balasubramanian, B; Skomski, R; Li, XZ; Valloppilly, SR; Shield, JE; Hadjipanayis, GC; Sellmyer, DJ,期刊：Nano Letters, 页码：1747-1752 , 文章类型： Article，,卷期：2011年11-4] Rare-earth transition-metal (R-TM) alloys show superior permanent magnetic properties in the bulk, but the synthesis and application of R-TM nanoparticles remains a challenge due to the requirement of high-temperature an... Surface Adsorbate Fluctuations and Noise in Nanoelectromechanical Systems [作者：Yang, YT; Callegari, C; Feng, XL; Roukes, ML,期刊：Nano Letters, 页码：1753-1759 , 文章类型： Article，,卷期：2011年11-4] Physisorption on solid surfaces is important in both fundamental studies and technology. Adsorbates can also be critical for the performance of miniature electromechanical resonators and sensors. Advances in resonant nan... Optical Impedance Matching Using Coupled Plasmonic Nanoparticle Arrays [作者：Spinelli, P; Hebbink, M; de Waele, R; Black, L; Lenzmann, F; Polman, A,期刊：Nano Letters, 页码：1760-1765 , 文章类型： Article，,卷期：2011年11-4] Silver nanoparticle arrays placed on top of a high-refractive index substrate enhance the coupling of light into the substrate over a broad spectral range. We perform a systematic numerical and experimental study of the ... Patchy Multishell Segregation in Pd-Pt Alloy Nanoparticles [作者：Barcaro, G; Fortunelli, A; Polak, M; Rubinovich, L,期刊：Nano Letters, 页码：1766-1769 , 文章类型： Article，,卷期：2011年11-4] Chemical ordering in face-centered-cubic-like PdPt nanoparticles consisting of 38-201 atoms is studied via density-functional calculations combined with a symmetry orbit approach. It is found that for larger particles in... Optothermal Escape of Plasmonically Coupled Silver Nanoparticles from a Three-Dimensional Optical Trap [作者：Ohlinger, A; Nedev, S; Lutich, AA; Feldmann, J,期刊：Nano Letters, 页码：1770-1774 , 文章类型： Article，,卷期：2011年11-4] We demonstrate that optical trapping of multiple silver nanoparticles is strongly influenced by plasmonic coupling of the nanoparticles. Employing dark-field Rayleigh scattering imaging and spectroscopy on multiple silve... Electron Transport in Pure and Doped Hematite [作者：Liao, PL; Toroker, MC; Carter, EA,期刊：Nano Letters, 页码：1775-1781 , 文章类型： Article，,卷期：2011年11-4] Hematite (alpha-Fe2O3) is a promising candidate for photoelectrochemical splitting of water. However, its intrinsically poor conductivity is a major drawback. Doping hematite to make it either p-type or n-type enhances i... A Fully Tunable Single-Walled Carbon Nanotube Diode [作者：Liu, CH; Wu, CC; Zhong, ZH,期刊：Nano Letters, 页码：1782-1785 , 文章类型： Article，,卷期：2011年11-4] We demonstrate a fully tunable diode structure utilizing a fully suspended single-walled carbon nanotube. The diode's turn on voltage under forward bias can be continuously tuned up to 4.3 V by controlling gate voltages,...