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    • 114. 发明申请
    • SELF-COLLECTING SERS SUBSTRATE
    • 自拍收藏
    • US20120281212A1
    • 2012-11-08
    • US13384954
    • 2010-01-29
    • David FattalZhiyong Li
    • David FattalZhiyong Li
    • G01N21/01G01N21/65
    • G01N21/658B82Y20/00G01N21/554G01N21/7743
    • A self-collecting substrate (10) for surface enhanced Raman spectroscopy having a first surface (10a) and a second surface (10b) opposed thereto, comprising: a waveguiding layer (10′) supported on a support layer (10″), with the waveguiding layer associated with the first surface and the support layer associated with the second surface; and a plurality of metal nano-antennae (14) established on the first surface and operatively associated with the plurality of openings such that exposure of analyte (18) to the light causes preferential aggregation of the analystes in the vicinity of the nano-antennae. A system (50) for at least one of attracting the analytes 18) to the metal nano-antennae (14) and performing surface enhanced Raman spectroscopy using the substrate (10) and a method for increasing a signal for surface enhanced Raman spectroscopy are provided.
    • 一种用于表面增强拉曼光谱的自动采集衬底(10),具有与其相对的第一表面(10a)和第二表面(10b),包括:支撑在支撑层(10“)上的波导层(10'), 与第一表面相关联的波导层和与第二表面相关联的支撑层; 以及多个金属纳米天线(14),其建立在所述第一表面上并且与所述多个开口可操作地相关联,使得分析物(18)暴露于所述光引起所述分析物在所述纳米天线附近的优先聚集。 提供了用于使金属纳米天线(14)吸引分析物18)和使用基板(10)进行表面增强拉曼光谱的系统(50)和用于增加表面增强拉曼光谱信号的方法的系统(50) 。
    • 116. 发明授权
    • Method of positioning catalyst nanoparticle and nanowire-based device employing same
    • 使用其的催化剂纳米颗粒和基于纳米线的装置的定位方法
    • US08268720B2
    • 2012-09-18
    • US11742310
    • 2007-04-30
    • Theodore I. KaminsZhiyong LiDuncan R. Stewart
    • Theodore I. KaminsZhiyong LiDuncan R. Stewart
    • H01L21/4763
    • H01L29/0665B81B2201/0271B81C1/00142B82Y10/00B82Y30/00H01L23/53276H01L29/0673H01L29/0676H01L2221/1094H01L2924/0002H01L2924/00
    • A method of positioning a catalyst nanoparticle that facilitates nanowire growth for nanowire-based device fabrication employs a structure having a vertical sidewall formed on a substrate. The methods include forming the structure, forming a targeted region in a surface of either the structure or the substrate, and forming a catalyst nanoparticle in the targeted region using one of a variety of techniques. The techniques control the position of the catalyst nanoparticle for subsequent nanowire growth. A resonant sensor system includes a nanowire-based resonant sensor and means for accessing the nanowire. The sensor includes an electrode and a nanowire resonator. The electrode is electrically isolated from the substrate. One or more of the substrate is electrically conductive, the nanowire resonator is electrically conductive, and the sensor further comprises another electrode. The nanowire resonator responds to an environmental change by displaying a change in oscillatory behavior.
    • 定位促进用于纳米线的器件制造的纳米线生长的催化剂纳米颗粒的方法采用具有形成在衬底上的垂直侧壁的结构。 所述方法包括形成结构,在结构或基底的表面中形成目标区域,并使用各种技术之一在目标区域中形成催化剂纳米颗粒。 该技术控制催化剂纳米颗粒在随后的纳米线生长中的位置。 谐振传感器系统包括基于纳米线的谐振传感器和用于访问纳米线的装置。 传感器包括电极和纳米线谐振器。 电极与衬底电隔离。 衬底中的一个或多个是导电的,纳米线谐振器是导电的,并且传感器还包括另一个电极。 纳米线谐振器通过显示振荡行为的变化来响应环境变化。
    • 119. 发明申请
    • VIBRATING TIP SURFACE ENHANCED RAMAN SPECTROSCOPY
    • 振动提示表面增强拉曼光谱
    • US20110188035A1
    • 2011-08-04
    • US12697156
    • 2010-01-29
    • Huei Pei KuoMichael J. StukeMin HuFung Suong OuShih-Yuan (SY) WangAlexandre M. BratkovskiWei WuZhiyong Li
    • Huei Pei KuoMichael J. StukeMin HuFung Suong OuShih-Yuan (SY) WangAlexandre M. BratkovskiWei WuZhiyong Li
    • G01J3/44
    • G01J3/44
    • A vibrating tip surface enhanced Raman spectroscopy (SERS) apparatus, system and method employ a nano-needle configured to vibrate. The apparatus includes the nano-needle with a substantially sharp tip at a free end opposite an end attached to a substrate. The tip is configured to adsorb an analyte. The apparatus further includes a vibration source configured to provide an alternating current (AC) electric field that induces a vibration of the free end and the tip of the nano-needle. Vibration of the nano-needle under the influence of the AC electric field facilitates detection of a Raman scattering signal from the analyte adsorbed on the nano-needle tip. The system further includes a synchronous detector configured to be gated cooperatively with the vibration of the nano-needle. The method includes inducing the vibration, illuminating the vibrating tip to produce a Raman signal, and detecting the Raman signal using the detector.
    • 振动尖端表面增强拉曼光谱(SERS)装置,系统和方法采用配置为振动的纳米针。 该装置包括在与连接到基底的端相对的自由端处具有基本尖锐的尖端的纳米针。 尖端构造成吸附分析物。 该装置还包括一个被配置为提供交流(AC)电场的振动源,其引起自由端和纳米针的尖端的振动。 在AC电场的影响下,纳米针的振动有助于检测吸附在纳米针尖上的分析物的拉曼散射信号。 该系统还包括配置为与纳米针的振动协同地选通的同步检测器。 该方法包括引起振动,照亮振动尖端以产生拉曼信号,并使用检测器检测拉曼信号。
    • 120. 发明申请
    • Memristive Device Having a Porous Dopant Diffusion Element
    • 具有多孔掺杂扩散元件的忆阻器件
    • US20110176353A1
    • 2011-07-21
    • US13120904
    • 2008-12-23
    • Zhiyong LiFung Suong OuWilliam M. Tong
    • Zhiyong LiFung Suong OuWilliam M. Tong
    • G11C11/56H01L45/00
    • G11C13/0011B82Y10/00G11C11/56G11C13/00G11C13/0002G11C13/0069G11C13/02G11C13/025G11C2013/009G11C2213/35G11C2213/55G11C2213/56H01L45/08H01L45/1206H01L45/1226H01L45/1233H01L45/146
    • A memristive device (400) includes: a first electrode (405); a second electrode (425); a memristive matrix (415) interposed between the first electrode (405) and the second electrode (425); a porous dopant diffusion element (410) in physical contact with the memristive matrix (415) and in proximity to the first electrode (405) and the second electrode (425); and a first mobile dopant species which moves through the porous dopant diffusion element (410) in response to a programming electrical field. A method for using a memristive device (400) having a porous dopant diffusion element (410) includes applying a voltage bias to generate a programming electrical field such that dopants move through the porous dopant diffusion element (410), thereby changing the distribution of dopants within a memristive matrix (415) to form a first state; removing the voltage bias, the dopants being substantially immobile in the absence of the programming electrical field; and applying a reading energy to the memristive device (400) to sense the first state.
    • 忆阻器(400)包括:第一电极(405); 第二电极(425); 插入在第一电极(405)和第二电极(425)之间的忆阻矩阵(415); 与所述忆阻矩阵(415)物理接触并且接近所述第一电极(405)和所述第二电极(425)的多孔掺杂剂扩散元件(410); 以及响应于编程电场而移动通过多孔掺杂剂扩散元件(410)的第一移动掺杂物种类。 使用具有多孔掺杂剂扩散元件(410)的忆阻器(400)的方法包括施加电压偏压以产生编程电场,使得掺杂剂通过多孔掺杂剂扩散元件(410)移动,由此改变掺杂剂的分布 在忆阻矩阵(415)内形成第一状态; 去除电压偏压,掺杂剂在没有编程电场的情况下基本上是不可移动的; 以及将读取能量施加到所述忆阻装置(400)以感测所述第一状态。