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2008 International Conference on Nanoscience and Nanotechnology最新文献

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Aging of magnetite nanoparticles in aqueous solutions of differing pH 磁铁矿纳米颗粒在不同pH水溶液中的老化
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639251
A. Trinchi, T. Muster, J. B. Dunlop, S. J. Collocott
{"title":"Aging of magnetite nanoparticles in aqueous solutions of differing pH","authors":"A. Trinchi, T. Muster, J. B. Dunlop, S. J. Collocott","doi":"10.1109/ICONN.2008.4639251","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639251","url":null,"abstract":"The structure and magnetic properties of magnetite nanoparticles that have been aged in aqueous solutions of different pH for various time periods have been investigated. Aqueous aging results in particle transformations, where the products have different structural and magnetic properties to those of the starting material. It was found that aging in acidic solutions sees a greater decrease in saturation magnetization, crystallinity, stability and particle shape and size monodispersity than those oxidized in neutral and alkaline solutions.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122691350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Microstamp patterning of protein arrays 蛋白质阵列的微戳图型
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639260
M. Nasabi, A. Mitchell, K. Kalantar-zadeh, W. Nesbitt
{"title":"Microstamp patterning of protein arrays","authors":"M. Nasabi, A. Mitchell, K. Kalantar-zadeh, W. Nesbitt","doi":"10.1109/ICONN.2008.4639260","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639260","url":null,"abstract":"Pathological thrombus formation is initiated by the interaction of blood platelets to immobilized proteins at the vessel wall. Platelet surface adhesion leads to biochemical activation and structural reorganization resulting in spreading of the platelet across the adhesive surface. Extensive studies have been carried out to examine platelet spreading responses on continuous substrates but little is known about the impact of protein surface distribution on platelet function. This paper describes the development of a micro-contact printing technique to establish defined 2-dimensional arrays of the thrombogenic protein fibrinogen at the surface of glass substrates, with the aim of investigating the impact of protein surface distribution on platelet biochemical signaling events associated with the adhesion/spreading process.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126551249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Atomic force microscopy for industry with the Akiyama-Probe sensor 带有秋山探针传感器的工业用原子力显微镜
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639250
S. Stucklin, M. Gullo, T. Akiyama, M. Scheidiger
{"title":"Atomic force microscopy for industry with the Akiyama-Probe sensor","authors":"S. Stucklin, M. Gullo, T. Akiyama, M. Scheidiger","doi":"10.1109/ICONN.2008.4639250","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639250","url":null,"abstract":"For atomic force microscopy (AFM) to extend its usefulness into routine industry applications, its operation needs to be simplified. This paper shows how the novel Akiyama-Probe has been integrated in a commercial AFM to significantly simplify probe exchange.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133711839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Finite element simulation of absorbance modulation optical lithography 吸光度调制光刻的有限元模拟
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639277
J. Foulkes, R. Blaikie
{"title":"Finite element simulation of absorbance modulation optical lithography","authors":"J. Foulkes, R. Blaikie","doi":"10.1109/ICONN.2008.4639277","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639277","url":null,"abstract":"The technique of absorbance modulation optical lithography (AMOL) may provide an opportunity to improve the resolution in optical lithographical processes by allowing near-field images to be generated using light sources in the far-field. We report on finite element method (FEM) simulations of the photochromic layer in the AMOL process and demonstrate the ability of a change in absorbance to create sufficient contrast for imaging in an underlying photoresist. Alternative absorbance patterns, grating periods and photochromic thicknesses have also been examined. A second set of simulations have been created using the same techniques to observe the creation of a new absorbance pattern in the AMOL photochromic layer through the incident intensities of light.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132910704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Phase transitions in photonic cavities: Exact vs. mean-field 光子腔中的相变:精确场与平均场
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639273
M. Makin, J. Cole, C. Tahan, A. Greentree, L. Hollenberg
{"title":"Phase transitions in photonic cavities: Exact vs. mean-field","authors":"M. Makin, J. Cole, C. Tahan, A. Greentree, L. Hollenberg","doi":"10.1109/ICONN.2008.4639273","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639273","url":null,"abstract":"A system of photonic cavities, each of which contains a single two level system, is a novel system in which to explore the boundary between quantum optics and condensed matter [1, 2, 3]. We examine this system by comparing results found using the mean-field approximation with exact diagonalisation techniques for small systems (up to six cavities), and find a good match between the quantum phase transition diagram for systems with the same number of nearest neighbours [4]. We thereby provide a pathway between proof-of-concept experiments, and complete photonic phase transition devices.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132793542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrical study of memory effects in InAs quantum dots embedded in SiO2 on silicon substrates 硅衬底上嵌入SiO2的InAs量子点记忆效应的电学研究
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639278
M. Hocevar, N. Baboux, A. Poncet, P. Regreny, M. Gendry, A. Souifi
{"title":"Electrical study of memory effects in InAs quantum dots embedded in SiO2 on silicon substrates","authors":"M. Hocevar, N. Baboux, A. Poncet, P. Regreny, M. Gendry, A. Souifi","doi":"10.1109/ICONN.2008.4639278","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639278","url":null,"abstract":"Memory structures based on InAs nanocrystals directly grown by molecular beam epitaxy (MBE) on SiO2 have been studied. The nanocrystals have a typical diameter of 5 nm and the density is about 2 times 1011 cm-2. High resolution TEM measurements have shown high crystalline quality and low size dispersion. Using these 7 nm-quantum dots, a test structure with a 3.5 nm-thick SiO2 tunnel oxide and a 10 nm-thick control oxide has been processed for data retention measurements. We have observed that 80 % of the initial injected electrons are still stored after three months. These results for the retention time of electrons in InAs nanocrystals are much better than comparable structures with silicon or germanium quantum dots. Finally, we demonstrate that an optimized structure with 3.5 nm-thick tunnel oxides, 10 nm-in diameter nc-InAs and 7 nm-thick control oxides could fill the industrial requirements for nonvolatile memories in terms of W/E time, W/E operating voltage and data retention.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121492992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
QCA implementation of a MUX-Based FPGA CLB 一种基于mux的FPGA CLB的QCA实现
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639266
M. Amiri, Mojdeh Mahdavi, S. Mirzakuchaki
{"title":"QCA implementation of a MUX-Based FPGA CLB","authors":"M. Amiri, Mojdeh Mahdavi, S. Mirzakuchaki","doi":"10.1109/ICONN.2008.4639266","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639266","url":null,"abstract":"Quantum cellular automata (QCA) represents an emerging technology at the nano technology level. Nowadays, many applications of QCA technology are introduced while programmability can increase the flexibility of QCA implementations. Using the structure of FPGAs can lead to flexible QCA implementations. So, we have implemented a MUX-Based FPGA CLB. This CLB has 3 multiplexers and each multiplexer is composed of 34 QCA cells.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"491 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122502092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 54
Cavity enhancement of a Nitrogen-Vacancy-based single photon source 基于氮空位的单光子源的腔增强
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639274
C. Su, A. Greentree, L. Hollenberg
{"title":"Cavity enhancement of a Nitrogen-Vacancy-based single photon source","authors":"C. Su, A. Greentree, L. Hollenberg","doi":"10.1109/ICONN.2008.4639274","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639274","url":null,"abstract":"The optically active Nitrogen-Vacancy (NV) defect in diamond holds substantial promise as a potential single photon source for quantum cryptography. Here we report enhanced spectral properties of an NV centre through a high-quality single-moded cavity coupled to an optical fibre. We use the secure bit rate of the BB84 quantum key distribution protocol as our figure of merit to demonstrate the significant improvements from employing state of the art cavities.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121031263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ZnO nanostructured arrays grown from aqueous solutions on different substrates ZnO纳米结构阵列从水溶液中生长在不同的基底上
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639232
M. Breedon, Jerry Yu, W. Wlodarski, Kourosh Kalantar Zadeh, W. Wlodarski, K. Kalantar-zadeh
{"title":"ZnO nanostructured arrays grown from aqueous solutions on different substrates","authors":"M. Breedon, Jerry Yu, W. Wlodarski, Kourosh Kalantar Zadeh, W. Wlodarski, K. Kalantar-zadeh","doi":"10.1109/ICONN.2008.4639232","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639232","url":null,"abstract":"ZnO nanostructures were grown from a solution of zinc nitrate hexahydrate and hexamethylenetetramine onto different substrates that were pretreated with an RF sputter coated ZnO seed layer. The choice of substrate was observed to have a direct effect on the morphology, orientation and surface coverage of the nanostructured arrays. Substrates that were covered in a 1.2 mum sputter coated ZnO seed layer, include; 6H-SiC, LiNbO3, gold, LiTaO3, ITO (indium tin oxide) glass and plate glass. The ZnO seed layer facilitates the uniform growth of nanostructured arrays of ZnO, without such a layer nanostructure growth was found to be sporadic and unaligned. Under identical reaction conditions, a range of different ZnO nanostructured arrays were observed.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128639791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Measuring dynamic phenomena at the sub-micron scale 测量亚微米尺度的动态现象
2008 International Conference on Nanoscience and Nanotechnology Pub Date : 2008-10-07 DOI: 10.1109/ICONN.2008.4639263
J. Soria, O. Amili, C. Atkinson
{"title":"Measuring dynamic phenomena at the sub-micron scale","authors":"J. Soria, O. Amili, C. Atkinson","doi":"10.1109/ICONN.2008.4639263","DOIUrl":"https://doi.org/10.1109/ICONN.2008.4639263","url":null,"abstract":"Measuring the spatio-temporal evolution of dynamic phenomena at sub-micron level is non-trivial due to the diffraction limit of optical systems. This paper describes a technique which allows imaging of sub-micron features of fluid-based phenomena, specifically the determination of their velocity and trajectory.","PeriodicalId":192889,"journal":{"name":"2008 International Conference on Nanoscience and Nanotechnology","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125892723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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