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Ion track-based nanowire arrays with gradient and programmable diameters towards rational light management

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Chinese Physics B 2021年第8期30卷 75-81页

作者： Ran Huang Jiaming Zhang Fangfang Xu Jie Liu Huijun Yao Yonghui Chen jinglai duan Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China Advanced Energy Science and Technology Guangdong Laboratory Huizhou 516000China Huizhou Research Center of Ion Sciences Huizhou 516000China

Integrating nanowires with nonuniform diameter and random spatial distribution into an array can afford unconventional and additional means for modulating optical ***,experimental realization of such a nanowire array is quite *** this work,we propose a new fabrication strategy which takes advantage of ion track technology,via sequential swift heavy ion irradiation and ion track *** on this strategy,we unprecedentedly realize nanowire arrays,using gold as an example,with gradient and programmable diameters in a controlled *** further demonstrate that such nanowire arrays can support broadband,tunable,and enhanced plasmonic *** believe that our new type of nanowire arrays will find great potential in applications such as light management and optoelectronic devices.

关键词： ion track technology nanowire plasmonics light management

Monte Carlo simulation based on Geant4 of single event upset induced by heavy ions

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Science China(Physics,Mechanics & Astronomy) 2013年第6期56卷 1120-1125页

作者： GENG Chao LIU Jie ZHANG ZhanGang HOU MingDong SUN YouMei XI Kai GU Song duan jinglai YAO HuiJun MO Dan LUO Jie Institute of Modern Physics Chinese Academy of Sciences University of Chinese Academy of Sciences

The present work is a computational simulation of single event upset(SEU) induced by heavy ions passing through the device with Geant4-tool based on Monte Carlo transport *** parameters affecting SEU occurrence are examined,and related geometrical construction and critical charge are *** MUlti-Functional Package for SEU Analysis(MUFPSA) has been successfully programmed and applied for SEU occurrence after the completion of device geometrical construction,critical charge,and SEU cross section *** proposed MUFPSA has yielded a good agreement with ***,the results show that higher LET incident ions lead to increased SEU vulnerability due to more diffusion and higher energy *** addition,the analytical method of radial ionization profile provides a good complementary interpretation.

关键词： SEU occurrence sensitive volume critical charge deposited energy MUFPSA

3-9 Molecular Dynamics Study of Point Defects Evolution in Self Irradiated Gold Nanowire

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IMP & HIRFL Annual Report 2015年第1期 101-102页

作者： Liu Wenqiang duan jinglai Liu Jie 不详

Due to the large surface-to-volume ratio, nanowires are proposed to be more radiation tolerant than traditional bulk materials. In recent years, many works are published which are trying to find the response of nanowires under radiation damage[1;2].In this work, we use molecular dynamics simulation package LAMMPS[3] to simulate ion irradiation of gold nanowire.

关键词： Irradiated Gold Nanowire

Novel Electrochemical Sensor Based on Vertical Ag-Ni Nanotubes for Glucose Detection

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IMP & HIRFL Annual Report 2018年第1期 114-116页

作者： Chen Yonghui duan jinglai Yao Huijun Liu Jie 不详

In recent years,the development of effective and reliable sensors for glucose determination has been considerable important in the fields of clinical diagnostics,food industries,management of diabetes mellitus,environmental analyzes and others[1−3].The metal nanostructure-based electrochemical detection of glucose has been extensively reported due to unique physical and chemical properties of nanomaterials,such as increased surface area,fast mass transport and notable catalytic *** particular,bimetallic nanomaterials have higher electrocatalytic activities and anti-interference stabilities for glucose detection than their corresponding monometallic counterparts due to the synergistic effect of two metallic *** the past few years,there has been extensive investigations on bimetal-based nanostructures including nanoparticles and nanowires[4;5],showing significantly enhanced electrocatalytic performance of glucose *** with these types of nanostructures。

关键词： nanowires metallic synergistic

Molecular Dynamics Simulation Studies of Displacement Cascade Induced Defects in Gold Nanotubes

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IMP & HIRFL Annual Report 2017年第1期 106-107页

作者： Liu Wenqiang duan jinglai Chen Yonghui Liu Jie 不详

Because the surfaces can absorb the defects induced by radiation damage,it is proposed that materials with a large surface-to-volume ratio such as nanoporous materials should have higher radiation resistance than bulk materials[1].Our previous work which implemented molecular dynamics simulation to investigate various kinds of defects induced by displacement cascade in gold nanowires reveals that point defects,stacking-faults and craters may be formed by ion bombardment[2].

关键词： nanowires Molecular damage

Raman Spectroscopy Study of Velocity Effect in SHI Irradiated Graphite

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2009年第1期 107-108页

作者： Zhai PenRfei Liu Jie Sun Youmei HouMingdong duan jinglai

Surface Plasmon Spectroscopic Study on Morphology Tuning and Oxidation Monitoring of Silver Nanoparticles

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IMP & HIRFL Annual Report 2017年第1期 114-115页

作者： Xu Guoheng Huang Kejing Xu Lijun Liu Jie duan jinglai 不详

Silver nanoparticles(Ag NPs)have attracted enormous attention since they open up exciting applications in the fields of waveguides,chemical/biological sensors,molecular rulers and surface enhanced Raman scattering(SERS).All of these applications are based on localized surface plasmon resonance(LSPR).Previous extensive studies have shown that LSPR is highly sensitive to the nanoparticle composition,size,shape,and dielectric environment[1].Hence,the LSPR resonance wavelength is highly tunable over a wide range by changing only the size and shape of the *** another word,the surface plasmon spectroscopy of metal NPs can in turn examine the changes of its ***,we tuned the morphology of Ag NPs by oxygen plasma pretreatment of polymer *** the Ag NPs were prepared with physical sputtering *** addition,we present a study to demonstrate that the oxidation of Ag NPs is monitored in real-time by using surface plasmon spectroscopy[2].

关键词： Silver Oxidation size

4-17 Molecular Dynamics Simulation Studies of Crater Formation at the Surface of Gold Nanowire

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IMP & HIRFL Annual Report 2016年第1期 130-131页

作者： Liu Wenqiang duan jinglai Cheng Yaxiong Yao Huijun Liu Jie 不详

Previous works which studied the effects of cascade occurred at the metal surface indicate that,in case of most energy of the incident ion is deposited in the vicinity of the surface,the pronounced damage caused by viscous flow or by microexplosion can lead to creation of large number of adatoms and vacancy dislocation loops beneath the surface[1,2],or even formation of craters on the surface[3-6].Bombardment with PKAs of kinetic energy higher than 10 keV will lead to the crater formation at the surface of ***.

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3- 25 a Synthesis of Cu-Ni Core-shell Nanowires by Two-step Etching and Electrodeposition

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IMP & HIRFL Annual Report 2013年第1期 91-92页

作者： Chen Yonghui Liu Jie duan jinglai Yao Huijun Mo Dan