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Dissertations / Theses on the topic 'Ni Nanowire'

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Published: 6 September 2023

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1

Saifulin, M. M., A. A. Mashentseva, and M. V. Zdorovets. "Template Synthesis and Composition of Bimetallic Co/Ni Nanostructures Arrays." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35265.

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Nanostructures, based on nickel and cobalt, are promising for the development of magnetic metamaterials. Magnetic nanotubes have become a symbol of new and fast developing research area of nanotechnology. Their potential applications are in many fields, including electronics, catalysis, magnetism and electrochemistry. The template method is commonly used to prepare this kind of materials. The paper describes magnetic nanotubes and nanowires preparation method, based on electrochemical deposition in track etched membranes. Various electrolytes have been used to obtain nanostructures of differen
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2

Silva, Charles da Rocha. "Estudo das interações magnéticas em nanofios de Ni obtidos por eletrodeposição AC." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-29022008-105215/.

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Foram feitos estudos das propriedades magnéticas e estruturais em nanofios de níquel em uma lâmina de alumínio. As amostras foram obtidas através da anodização em duas etapas, seguida de uma eletrodeposição AC. Foi verificado que o aumento do potencial usado nas anodizações acarretam em um aumento do tamanho dos grãos cristalinos de níquel e dos diâmetros dos nanofios. O tamanho dos grãos de níquel e dos diâmetros dos nanofios variaram, respectivamente, entre 10 a 20 nm e 30 a 50 nm. As amostras apresentam alta anisotropia de forma, com coercividade entre 565 a 725 Oe. As interações magnéticas
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3

Bukharaev, A. A., N. I. Nurgazizov, D. A. Biziaev, A. P. Chuklanov, and T. F. Khanipov. "Current-induced Phase Transition in Ni Nanowires." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35343.

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The single ferromagnetic Ni nanowires connecting two contact pads on the silicon oxide surface were fabricated using the scanning probe nanolithography technique based on the nanoindentation of polymethylmethacrylate resist and lift-off process. Wires with height from 9 to 26 nm, wide from 200 to 500 and length from 5 to 13 m were obtained. The atomic and magnetic force microscopy was used to study the morphology and domain structure of the obtained nanowires. Multidomain and single-domain structures depending on the width of the nanowires were observed. Current-induced phase transition f
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4

Li, Yanguang. "Nanostructured Materials for Energy Applications." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275610758.

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5

El, Kousseifi Mike. "Ni silicide contacts : Diffusion and reaction in nanometric films and nanowires." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4349.

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Cette thèse porte sur l'étude des phénomènes qui se produisent lors de la réaction métal-silicium (siliciuration) en couches minces et dans des nanofils. En effet, les phénomènes tels que la germination, la croissance latérale, la croissance normale et la diffusion doivent être compris pour réaliser les contacts des futurs dispositifs de la microélectronique. La comparaison entre la siliciuration en couches minces et dans les nanofils est l'un des principaux aspects de ce travail. La distribution atomique en 3D des éléments chimiques dans les différentes siliciures de Ni a été obtenue par sond
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6

Böhnert, Tim [Verfasser], and Kornelius [Akademischer Betreuer] Nielsch. "Magneto-thermopower and Magnetoresistance of Co-Ni Alloy and Co-Ni/Cu Multilayered Nanowires. / Tim Böhnert. Betreuer: Kornelius Nielsch." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2014. http://d-nb.info/1052996698/34.

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7

Silva, Elvis Lira da. "Propriedades estruturais e magnéticas de nanofios de Ni e Co." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/278291.

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Orientadores: Marcelo Knobel, Daniela Zanchet<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin<br>Made available in DSpace on 2018-08-11T12:53:07Z (GMT). No. of bitstreams: 1 Silva_ElvisLirada_M.pdf: 8983880 bytes, checksum: 9cf84b0bedd17ff35f94bf813d128441 (MD5) Previous issue date: 2006<br>Resumo: Os arranjos de nanofios magnéticos tem atraído um interesse considerável da comunidade científica, motivado principalmente pela sua utilização como sistemas-modelo e na possível aplicação em mídias magnéticas de alta densidade de informação. O compo
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8

Peixoto, Thiago Ribeiro Fonseca. "Análise FORC em nanofios de Ni e Co e excitação de mágnons de superfície em filmes de O-Fe/W(001) via SPEELS." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-26012011-124128/.

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Estudamos o comportamento estático e os mecanismos de inversão da magnetização de arranjos auto-organizados de nanofios de Ni e Co com alta anisotropia de forma. Os arranjos são obtidos a partir da anodização em dois passos de lâminas de Al e subseqüente eletrodeposição do metal magnético. Sua caracterização estrutural é realizada por microscopia eletrônica de varredura, microscopia de força atômica e magnética e difração de raios X. Seu comportamento magnético é estudado a partir da medida de curvas de inversão de primeira ordem (FORCs) a temperatura ambiente, via magnetometria SQUID ou de am
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9

Miguel, Federico Luis Verfasser], and Frank [Akademischer Betreuer] [Mücklich. "Design and characterisation of Ni-matrix nanocomposite films reinforced with Ag-coated SnO2 nanowires for electrical contact applications / Federico Luis Miguel. Betreuer: Frank Mücklich." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2016. http://d-nb.info/1104733366/34.

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10

Huang, Ciou-yu, and 黃秋玉. "Studies of electroplating Ni-film and Ni-nanowire in the supercritical carbon dioxide." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/99111051813347681830.

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碩士<br>國立中正大學<br>化學工程所<br>95<br>This study is to investigate the characteristic of nickel electroplating in supercritical carbon dioxide (SC-CO2) electroplating process, and to apply this technology to produce Ni-nanowires in anodic aluminum oxide template. It is found that the Ni-film is polycrystalline structure and grain size of the Ni-film decrease with increasing pressure under SC-CO2 electroplating. The reasons could be attributed to: (i) pressure can induce nucleation rate and (ii) the emulsified electrolyte by SC-CO2 acts like pulsation electroplating, leading to a decrease in grain si
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11

Hong, Yan-ling, and 洪燕玲. "Fabrication of ordered AAO template and Ni nanowire arrays." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/27079261244210199301.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>96<br>As the critical dimensions for advanced devices continue to scale towards the nanometer regime, one-dimensional (1-D) metal nanowires have attracted much attention due to their potential applications in advanced microelectronic and magnetic devices. However, the conventional methods used to fabricate periodic nanowires arrays are usually high-cost consuming and low output efficiency. Therefore, this study mainly focused on the synthesis of large-scale nickel metal nanowires at low-cost and high-throughput without complex lithography. To fabricate the size-
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Wu, You-Han, and 巫宥翰. "Photocatalytic properties of Ni-silicide/Si heterostructure nanowire arrays." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/93655457084829207475.

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Wang, Wen-Hung, and 王文鴻. "Ni-DNA based Y shape nanowire device development and characterization." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/97zeb8.

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Wang, Hui-Tung, and 王惠東. "Study on ZnO-nanowire interdigitated electrodes for electroplating Ni-Co solution." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/42663800919078853643.

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碩士<br>中原大學<br>機械工程研究所<br>104<br>Abstract A simple and inexpensive approach to selectively synthesized the ZnO nanowires at the specific area is proposed in this study. By integrating the hydrothermal method with the photolithography process, both the positive and negative resists were used to control the growth of nanowires through lift-off concept. The printed circuit board (PCB) was adopted as the substrate. On PCB, the interdigitated electrodes (IDE) array was firstly fabricated by etching the copper foil. Two types of chips were compared: global growth of ZnO nanowires on the device and pa
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15

Chen, Sing-Da, and 陳星達. "Fabrication of Ni/Au multilayered nanowire arrays in anodic aluminum oxide." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/49778427343472886719.

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16

Huang, Ching-neng, and 黃勤能. "Electrochemical synthesis of Ni-Co nanowire arrays in anodic alumina oxide template." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/66787603131113231496.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>95<br>Recently, Co-Ni alloy thin film and particles have already been found their potential applications in sensors, advanced micoactuators, and magnetic recording medias. However, the synthesis and applications of one-dimensional (1-D) Co-Ni alloy nanowires with different contents have not been intensively studied. To fabricate large-area size-tunable Co-Ni alloy nanowire array at low-cost, an effective and economical technique-anodic alumina oxide (AAO) template-assisted electrodeposition process is one of the most promising schemes to replace the conventional
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17

Jhou, Guan-Sing, and 周冠行. "The NO2 Adsorption and Dissociation on pure Pd and Ni@Pd Nanowire." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/46456510198463910524.

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碩士<br>中國文化大學<br>化學系應用化學碩士班<br>100<br>Our calculations with spin-polarized density functional theory was carried out to characterize the adsorption and dissociation of NO2 molecule on the Pd and Ni@Pd nanowire, which are combine with 22 Pd and 6Ni@16Pd. The molecular structures and adsorbate/substrate interaction energies of NO2/Pd, NO /Pd, N/Pd ,O/Pd and NO2/Ni@Pd, NO / Ni@Pd, N/ Ni@Pd, O/ Ni@Pd configurations were predicted. It was shown that the barriers for the stepwise NO2 dissociation reaction for Pd, NO2(a), are -21.99 kcal/mol àNO(a)+O(a), are -48.08 kcal/mol (for NO-O bond activation t
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18

Wang, Bau-Ming, and 王寶明. "Improved Performance of NILC LTPS Thin-Film & Nanowire Transistors through Ni-Gettering." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/79264213071607548787.

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博士<br>國立交通大學<br>材料科學與工程學系<br>98<br>Low temperature polycrystalline silicon (LTPS) Ni-metal induced lateral crystallization (NILC) thin-film transistors (TFTs) have been investigated in this thesis. Ni impurities trapped inside the NILC poly-Si films is an issue. Therefore the Ni-gettering method is proposed to effectively reduce Ni residues within the NILC poly-Si films. It involves using gettering layers/etching stop layers as the Ni-gettering structure. The 100-nm-thick top α-Si and phosphorous-doped α-Si layers serve as the gettering layers, while the middle ~5-nm-thick chem-SiO2 layer is u
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tsao, kung-cheng, and 曹公誠. "Fabrication of amorphous and magnetic Ni-W-P nanowire arrays by electroless plating." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/22991847913983814225.

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碩士<br>南台科技大學<br>化學工程與材枓工程系<br>94<br>Abstract In this study, the Ni-W-P nanowire arrays prepared using the arrays nanoporous of anodic aluminum oxide membrane as a template (AAO template ) with an electroless method. The influence of pH value of electrolyte on the properties of deposited alloy nanowire during pH4.5~9.5 range with electroless have been investigated. The structure of deposited alloy nanowires are amorphous structure in varieus pH value ranges that electrolyte pH value (4.5~9.5 ) by XRD analysed. The composition of deposited alloy nanowires have only Ni and P as pH value for 6.5
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楊子明. "Fabrication and Characterization of High Performance NILC LTPS Nanowire TFTs using Ni-Gettering." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/47797240542309690009.

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碩士<br>國立交通大學<br>工學院碩士在職專班半導體材料與製程設備組<br>97<br>In this thesis, fabrication and characterization of high performance NILC LTPS nanowire TFTs using Ni-gettering has been studied. Initially, we employ LTPS NILC technology to fabricate TFTs with poly-Si nanowire channels. It’s a simple method and low-cost process to manufacture the nanowire channels. The feature of process was the method of forming sidewall spacer of MOSFET. Simultaneously, we define source/drain and self-alignment form the poly-Si sidewall spacer nanowire channels for the bottom-gate TFT. Thus, we can simply control the width of
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Yi-ShuHsieh and 謝宜澍. "Fabrication of Ni-Au Alloy Nanowire Glucose Sensor for Non-enzymatic Glucose Sensing." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/auy526.

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碩士<br>國立成功大學<br>微電子工程研究所<br>107<br>In this research, the fabrication of Ni-Au alloy nanowire for non-enzymatic glucose sensor on p-silicon based anodic aluminum oxide (AAO) template is discussed. The Ni-Au alloy nanowire is applied on an electrochemical glucose sensor. The Ni-Au alloy nanowire was fabricated via the self-made AAO template grown on the p-type heavily doped silicon substrate. The advantages of AAO on silicon are lower cost, stronger mechanical and less production time consuming comparing to traditional AAO grown directly by using aluminum. The electrodeposition of the Ni-Au allo
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Hsu, Chia Jung, and 許佳蓉. "Influence of ultrasonic irradiation on fabrication of magnetic Ni、Ni-Co、Co nanowire arrays by using aluminum oxide as templates." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/42841314553550396435.

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碩士<br>南台科技大學<br>化學工程與材枓工程系<br>95<br>In this study, the Ni nanowire arrays is prepared by using the arrays nanoporous of anodic aluminum oxide membrane as a template (AAO template) with electrodeposition method. The Ni and Ni-Co nanowire arrays were deposited with various electrolytic condition. The optimum electrolytic conditions had been investigated. The diameter of AAO pores is about 250nm. Furthermore, the growing phenomenon, microcrystalline structure and magnetic properties were investigated in the presence of ultrasonic irradiation with a various irradiation power density. The depositio
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Sutrakar, Vijay Kumar. "A Computational Study of Structural and Thermo-Mechanical Behavior of Metallic Nanowires." Thesis, 2013. http://etd.iisc.ernet.in/2005/3370.

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This thesis is an attempt to understand ways to improve thermo-mechanical and structural properties of nano-structured materials. A detailed study on computational design and analysis of metallic nanowires is carried out. Molecular dynamic simulation method is applied. In particular, FCC metallic nanowires, NiAl, and CuZr nanowires are studied. Various bottom-up approaches are suggested with improved structural and thermo¬mechanical properties. In the first part of the thesis, Cu nanowires are considered. Existence of a novel and stable pentagonal multi-shell nanobridge structure of Cu under
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Huang, Ting-Kai, and 黃亭愷. "Resistive Switching Properties and Behaviors in Core-Shell Ni/NiO/HfO2 Nanowire ReRAM Devices." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/qmf35z.

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碩士<br>國立交通大學<br>材料科學與工程學系所<br>105<br>Resistive Random Access Memory (RRAM) is one of the most promising nonvolatile memory because it has several advantages; for example, simple MIM (metal-insulator-metal) structure, fast operation speed, high endurance, high retention, and low energy consumption. However, the reliability is not persistent and completely switching mechanism is not fully understood. In this work, we deposited different metal oxide (HfO2, Al2O3) covering the Ni/NiO nanowire by atomic-layer-deposition (ALD). The different properties, including electrical characteristics, surface
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Chen, Kuan-yu, and 陳冠宇. "Fabrication of nickel metal nanowire arrays by using AAO templates technique and the interfacial reactions of the Ni nanowires on (001)Si substrates." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/05410010796549465346.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>95<br>In this study, the fabrications of large-area well-aligned nickel metal nanowire arrays by using the electrodeposition in conjunction with removable anodic aluminum oxide (AAO) templates technique, and the interfacial reactions of the Ni nanowires on (001)Si substrates after different heat treatments have been investigated. Under controlled anodization conditions, self-ordered nanochannel structures were produced by anodization of high-purity aluminum sheets in appropriate acid solutions. The pore sizes of AAO templates can be tuned from 20 to 100 nm by va
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Hsu, Chao Wei, and 徐肇蔚. "Synthesis and characterization of Cu-Ni core-shell nanowires." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/u22gj5.

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碩士<br>國立清華大學<br>材料科學工程學系<br>103<br>Due to it’ s good conductivity and low-cost property, copper (Cu) is often used as interconnect and flexible transparent conductive film material with the introduction of nano-processing. Therefore, many studies try to analyze the properties of copper in nanoscale, such as nanowires (NWs). Twin is a common microstructure in metals. It has been demonstrated that nano-twinned copper have high mechanical strength, good conductivity, and moreover, superior electromigration resistance. In our previous study, we have successfully fabricated Cu NWs with high density
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侯蘊芳. "Thermal conductivity of Ni nanowires affected by magnetic field." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/88675659709656617998.

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Huang, Wan-Ru, and 黃琬茹. "Fabrication of Ni-silicide / Si heterostructure nanowires by nanosphere lithography." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/79656754305490325260.

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碩士<br>國立中興大學<br>材料科學與工程學系所<br>99<br>With the shrinking of the dimensions of electronic devices, the-low resistivity and high-stability metal silicides have been widely used as the contacts on source, drain, gate in transistors to reduce contact resistance. Preferred silicides for the applications are titanium silicide (TiSi2), cobalt silicide (CoSi2) and nickel silicide (NiSi). Because NiSi has a wide process window, less silicon consumption, low film stress, nickel silicide is consider to be the most promising candidate for scaled devices below one hundred nanometers. In the study of nanoele
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Hong, Jyu-Chao, and 洪鉅晁. "Ni-Mn hydroxide/ZnO nanowires/Carbon fiber for supercapacitor applications." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/29a89t.

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碩士<br>國立清華大學<br>材料科學工程學系<br>106<br>ZnO nanowires (NWs) have been considered as a promising supporting material for hybrid supercapacitors due to its excellent mechanical property, good electronic conductivity and easy-fabrication. In this study, a high-performance supercapacitor based on Ni-Mn hydroxide modified ZnO NWs on carbon fiber (CF) was developed. The well-aligned ZnO NWs were synthesized on carbon fiber by chemical bath deposition, followed by pulse pulse electrodeposition of Ni-Mn hydroxide on the surface of ZnO NWs. The effects of the electrodeposition conditions as well as the Ni/M
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Wang, Jiun-Yu, and 王俊喻. "Size effect on Field Emission properties of Si nanowires arrays and electronic properties of Ni-Silicide/Si heterostructure nanowires." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/44674757409904380085.

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碩士<br>國立中興大學<br>材料科學與工程學系所<br>100<br>Nanoscale Schottky contact used for diodes, Schottky barrier field effect transistors and solar cells have been extensively studied. The Schottky metal silicide/Si heterojunctions in nanostructures have been widely investigated due to their applicability to Si-based devices. The free-standing Si NW arrays have been fabricated by the combining nanosphere lithography with metal-assisted catalytic etching. Further, chemical etching using a KOH solution was performed for adjusting the diameter of nanowires. Then, nickel silicide/Si heterostructure nanowires w
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Guo, Zhen-hao, and 郭鎮豪. "Fabrication and Properties of Anodic Aluminum Oxide Templates and Co-Ni Alloy Nanowires." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/59521231830061221783.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>97<br>In this study, the AAO template with large-area nanopores structure and the large-scale well-aligned pure Ni, Co, and Co-Ni alloy nanowires arrays with different composition ratio of Co and Ni were successfully fabricated under controlled processing conditions. The average pore size of the AAO template produced was about 25 nm. On the other hand, pure Ni, Co, and Co-Ni alloy nanowires with different concentration ratios of Co to Ni (Co:Ni=1:9, Co:Ni=1:1, Co:Ni=9:1) were successfully synthesized by DC electrodeposition into nanopores of commercial AAO templ
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Liou, Jyun Fu, and 劉俊甫. "Solution-based synthesis of Ag-Ni Core-shell nanowires and study of their property." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/60348222894501490225.

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Chien, Wen-Ching, and 簡文慶. "Fabrication of Ni-silicide / Si Heterostructure Nanowires-based Photosensing Devices by Electric Field Assembly Method." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/67957857581350933894.

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碩士<br>國立中興大學<br>材料科學與工程學系所<br>105<br>Transition metal silicides have been widely used as ohmic contacts, Schottky barrier contacts, gate electrodes and interconnects in silicon microelectronic devices because of their low resistivity and thermal stability. NiSi_2 has a small lattice mismatch of -0.4 % with Si makes it an attractive material for use in the formation of epitaxial silicide. Thus, the applications of it in the diodes, field effect transistors, solar cells and photosensing devices are widely discussed. In this study, silicon nanowire arrays were fabricated by metal- assisted chemic
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Wang, Chuan Ying, and 汪傳穎. "Synthesis and characterization of Cu-Ni core-shell nanowires for flexible transparent conducting film applications." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/586saq.

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碩士<br>國立清華大學<br>材料科學工程學系<br>104<br>The increasing demand for flexible electronic devices drives the need for alternative materials other than indium tin oxide (ITO) as transparent conducting films (TCFs). Dispersing metallic nanowires on a polymer substrate appears to be a good solution for flexible TCFs. Among various metallic nanowires (NWs) used in TCFs, Cu based NW has been considered a potential candidate because of its cost advantage and good electrical properties. In our previous study we introduced dense nanoscale twinning structure in Cu NWs that was deposited in porous anodic aluminu
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Siao, Siang-Wun, and 蕭翔文. "Synthesis of Single Crystal Ni/NiO Core-Shell Nanowires and its Application at Resistive Switching Memory." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/99359615737559909115.

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碩士<br>國立清華大學<br>材料科學工程學系<br>101<br>Because RRAM has many advantages such as low cost, low power, fast programming speed (twr < 100 ns), simple structure, shrinkage of cell size and nondestructive operation, it has attracted much attention for many researchers. Besides, in order to decrease the cell area and raise the density, nanowires were used to replace the thin film materials. In the literature, they usually synthesize the Ni nanowires and then oxidize the nanowires to form Ni/NiO core-shell structures. In our research, we report the growth and structural characterization of the core-shell
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Zih-YingYou and 游子瑩. "Synthesis of Ni-Co Alloy Nanowires using Poly (vinyl pyrrolidone-co-acrylic acid) as a Protecting Agent." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/22857733295768104526.

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Hsu, Hsin-Jan, and 徐新然. "Spin-polarized scanning tunneling microscopy of the self-organized Ni silicide nanowires on Si (110)-16×2 surface." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/95330888366543183535.

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38

Lee, Yu-Chaun, and 李育全. "Direct Observation of Solid State Reaction of Si1-xGex Nanowires with Ni and Modulation of the Diffusion Mechanisms via Oxide Layer Managements." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/59eqpk.

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39

Petersen, Jan. "Strukturbildung und Rauigkeiten an Grenzflächen des Ni-Ag-Legierungssystems." Doctoral thesis, 2008. http://hdl.handle.net/11858/00-1735-0000-0006-B469-B.

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