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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85条记录   Indirect Excitons in Elevated Traps [作者：High, AA; Hammack, AT; Butov, LV; Mouchliadis, L; Ivanov, AL; Hanson, M; Gossard, AC,期刊：Nano Letters, 页码：2094-2098 , 文章类型： Letter，,卷期：2009年9-5] We report on the study of indirect excitons in elevated traps. The transition from a normal to elevated trap results in the appearance of narrow lines in the emission spectrum. The density, temperature, and voltage depen... Hybrid Core-Shell Nanowire Forests as Self-Selective Chemical Connectors [作者：Ko, H; Lee, J; Schubert, BE; Chueh, YL; Leu, PW; Fearing, RS; Javey, A,期刊：Nano Letters, 页码：2054-2058 , 文章类型： Letter，,卷期：2009年9-5] Conventional connectors utilize mechanical, magnetic, or electrostatic interactions to enable highly specific and reversible binding of the components (i.e., mates) for a wide range of applications. As the connectors are... Remote-Excitation Surface-Enhanced Raman Scattering Using Propagating Ag Nanowire Plasmons [作者：Fang, YR; Wei, H; Hao, F; Nordlander, P; Xu, HX,期刊：Nano Letters, 页码：2049-2053 , 文章类型： Letter，,卷期：2009年9-5] Using propagating plasmons on silver nanowires as an excitation source we perform surface-enhanced Raman scattering (SERS) at a nanoparticle/wire junction located remotely from the laser illumination spot with sensitivit... Restructuring of hex-Pt(100) under CO Gas Environments: Formation of 2-D Nanoclusters [作者：Tao, F; Dag, S; Wang, LW; Liu, Z; Butcher, DR; Salmeron, M; Somorjai, GA,期刊：Nano Letters, 页码：2167-2171 , 文章类型： Letter，,卷期：2009年9-5] The atomic-scale restructuring of hex-Pt(100) induced by carbon monoxide with a wide pressure range was studied with a newly designed chamber-in-chamber high-pressure STM and theoretical calculations. Both experimental a... Layer-by-Layer Assembled Gold Nanoparticles for siRNA Delivery [作者：Elbakry, A; Zaky, A; Liebkl, R; Rachel, R; Goepferich, A; Breunig, M,期刊：Nano Letters, 页码：2059-2064 , 文章类型： Letter，,卷期：2009年9-5] Although uptake into cells is highly complex and regulated, heterogeneous particle collectives are usually employed to deliver small interfering RNA (siRNA) to cells. Within these collectives, it is difficult to accurate... Making Massless Dirac Fermions from a Patterned Two-Dimensional Electron Gas [作者：Park, CH; Louie, SG,期刊：Nano Letters, 页码：1793-1797 , 文章类型： Letter，,卷期：2009年9-5] Analysis of the electronic structure of an ordinary two-dimensional electron gas (2DEG) under an appropriate external periodic potential of hexagonal symmetry reveals that massless Dirac fermions are generated near the c... Impedance Matching and Emission Properties of Nanoantennas in an Optical Nanocircuit [作者：Huang, JS; Feichtner, T; Biagioni, P; Hecht, B,期刊：Nano Letters, 页码：1897-1902 , 文章类型： Letter，,卷期：2009年9-5] An experimentally realizable prototype optical nanocircuit consisting of a receiving and an emitting nanoantenna connected by a two-wire optical transmission line is studied using finite-difference time- and frequency-do... Perfect Reflection of Chiral Fermions in Gated Graphene Nanoribbons [作者：Kinder, JM; Dorando, JJ; Wang, HT; Chan, GKL,期刊：Nano Letters, 页码：1980-1983 , 文章类型： Letter，,卷期：2009年9-5] We describe the results of a theoretical study of transport through gated metallic graphene nanoribbons using a nonequilibrium Green function method. Although analogies with quantum field theory predict perfect transmiss... Predicting the Results of Chemical Vapor Deposition Growth of Suspended Carbon Nanotubes [作者：Marcus, MS; Simmons, JM; Baker, SE; Hamers, RJ; Eriksson, MA,期刊：Nano Letters, 页码：1806-1811 , 文章类型： Letter，,卷期：2009年9-5] The successful growth of suspended carbon nanotubes is normally based on purely empirical results. Here we demonstrate the ability to predict the successful suspension of nanotubes across a range of trench widths by comb... Combining Pattern Instability and Shape-Memory Hysteresis for Phononic Switching [作者：Jang, JH; Koh, CY; Bertoldi, K; Boyce, MC; Thomas, EL,期刊：Nano Letters, 页码：2113-2119 , 文章类型： Letter，,卷期：2009年9-5] We report a fully reversible and robust shape-memory effect in a two-dimensional nanoscale periodic structure composed of three steps, the elastic instability governing the transformation, the plasticity that locks in th... Nanoscale Reversible Mass Transport for Archival Memory [作者：Begtrup, GE; Gannett, W; Yuzvinsky, TD; Crespi, VH; Zettl, A,期刊：Nano Letters, 页码：1835-1838 , 文章类型： Letter，,卷期：2009年9-5] We report on a simple electromechanical memory device in which an iron nanoparticle shuttle is controllably positioned within a hollow nanotube channel. The shuffle can be moved reversibly via an electrical write signal ... Turning Charge Transfer On and Off in a Molecular Interferometer with Vibronic Pathways [作者：Xiao, DQ; Skourtis, SS; Rubtsov, IV; Beratan, DN,期刊：Nano Letters, 页码：1818-1823 , 文章类型： Letter，,卷期：2009年9-5] Inelastic electron-transfer kinetics in molecules with electron donor and acceptor units connected by a bridge is expected to be sensitive to bridge-localized vibronic interactions. Here, we show how inelastic electron t... Critical Thickness and Radius for Axial Heterostructure Nanowires Using Finite-Element Method [作者：Ye, H; Lu, PF; Yu, ZY; Song, YX; Wang, DL; Wang, SM,期刊：Nano Letters, 页码：1921-1925 , 文章类型： Letter，,卷期：2009年9-5] Finite-element methods are used to simulate a heterostructured nanowire grown on a compliant mesa substrate. The critical thickness is calculated based on the overall energy balance approach. The strain field created by ... Nanoparticle-Mediated Nonfluorescent Bonding of Microspheres to Atomic Force Microscope Cantilevers and Imaging Fluorescence from Bonded Cantilevers with Single Molecule Sensitivity [作者：Sivasankar, S; Chu, S,期刊：Nano Letters, 页码：2120-2124 , 文章类型： Letter，,卷期：2009年9-5] A technique to attach silica and glass microspheres onto silicon or silicon nitride cantilevers using silica nanoparticle sol-gel chemistry is presented and a method to image the fluorescence background from the bonded c... Selective Excitation and Detection of Spin States in a Single Nanowire Quantum Dot [作者：van Weert, MHM; Akopian, N; Perinetti, U; van Kouwen, MP; Algra, RE; Verheijen, MA; Bakkers, EPAM; Kouwenhoven, LP; Zwiller, V,期刊：Nano Letters, 页码：1989-1993 , 文章类型： Letter，,卷期：2009年9-5] We report exciton spin memory in a single InAs0.25P0.75 quantum dot embedded in an InP nanowire. By synthesizing clean quantum dots with linewidths as narrow as about 30 mu eV, we are able to resolve individual spin stat... Structure-Tunable Bidirectional Hybrid Nanowires via Multicompartment Cylinders [作者：Walther, A; Yuan, J; Abetz, V; Muller, AHE,期刊：Nano Letters, 页码：2026-2030 , 文章类型： Letter，,卷期：2009年9-5] We present structure-tunable bidirectional inorganic-organic hybrid nanowires templated by soft multicompartment cylinders, possessing perfectly parallel compartments. The poly(2-vinylpyridine) compartments are used to b...