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Fabrication Characterization And Applications Of Nanostructures Defined By Anodized Surfaces
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Book Synopsis Fabrication, Characterization and Applications of Nanostructures Defined by Anodized Surfaces by : Peter Krohne-Nielsen
Download or read book Fabrication, Characterization and Applications of Nanostructures Defined by Anodized Surfaces written by Peter Krohne-Nielsen and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fabrication, characterization and applications of nanostructures defined by anodized surfaces by :
Download or read book Fabrication, characterization and applications of nanostructures defined by anodized surfaces written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanostructured Anodic Metal Oxides by : Grzegorz D. Sulka
Download or read book Nanostructured Anodic Metal Oxides written by Grzegorz D. Sulka and published by Elsevier. This book was released on 2020-03-27 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured Anodic Metal Oxides: Synthesis and Applications reviews the current status of fabrication strategies that have been successfully developed to generate nanoporous, nanotubular and nanofibrous anodic oxides on a range of metals. The most recent achievements and innovative strategies for the synthesis of nanoporous aluminum oxide and nanotubular titanium oxide are discussed. However, a special emphasis is placed on the possibility of fabrication of nanostructured oxide layers with different morphologies on other metals, including aluminum titanium, tantalum, tin, zinc, zirconium and copper. In addition, emerging biomedical applications of synthesized materials are discussed in detail. During the past decade, great progress has been made both in the preparation and characterization of various nanomaterials and their functional applications. The anodization of metals has proven to be reliable for the synthesis of nanoporous, nanotubular and nanofibrous metal oxides to produce a desired diameter, density, aspect ratio (length to diameter) of pores/tubes, and internal pore/tube structure. Provides an in-depth overview of anodization techniques for a range of metals Explores the emerging applications of anodic metal oxides Explains mechanisms of formation valve metal oxides via anodization
Book Synopsis Fabrication, Characterization and Applications of Anodic Aluminum Oxide by : Jinghua Fang
Download or read book Fabrication, Characterization and Applications of Anodic Aluminum Oxide written by Jinghua Fang and published by . This book was released on 2012 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nanoporous Alumina written by Dusan Losic and published by Springer. This book was released on 2015-07-17 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives detailed information about the fabrication, properties and applications of nanoporous alumina. Nanoporous anodic alumina prepared by low-cost, simple and scalable electrochemical anodization process due to its unique structure and properties have attracted several thousand publications across many disciplines including nanotechnology, materials science, engineering, optics, electronics and medicine. The book incorporates several themes starting from the understanding fundamental principles of the formation nanopores and theoretical models of the pore growth. The book then focuses on describing soft and hard modification techniques for surface and structural modification of pore structures to tailor specific sensing, transport and optical properties of nano porous alumina required for diverse applications. These broad applications including optical biosensing, electrochemical DNA biosensing, molecular separation, optofluidics and drug delivery are reviewed in separated book chapters. The book appeals to researchers, industry professionals and high-level students.
Book Synopsis Fabrication and Applications of Nanocomposite Structures Using Anodized Aluminum Oxide Membranes by : Andrew Isaac Gapin
Download or read book Fabrication and Applications of Nanocomposite Structures Using Anodized Aluminum Oxide Membranes written by Andrew Isaac Gapin and published by . This book was released on 2007 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the field of nanotechnology continues to advance and device feature sizes scale down to ever smaller dimensions, it is becoming increasingly important to develop quick and efficient methods for large-scale production at the nanoscale. Creating such a template would have widespread uses in areas such as magnetic data storage, chemical sensors, and mask technology. One promising approach to realizing this goal may lie in utilizing the self-ordering behavior found in porous anodized aluminum oxide (AAO). This material offers many advantages such as the ability to customize the pore diameter and spacing and easy device integration based on its compatibility with silicon substrates. The pores of the AAO templates can be filled with many different materials via electrochemical deposition or other methods to produce numerous potential devices. In this work, current research results detailing the fabrication of AAO templates and their use in creating ~100 nm tall CoPt, Ni, and composite Ni/CoPt nanowires is demonstrated. The synthesis of such nanostructures may ultimately be advantageous for new types of patterned magnetic recording media. The Ni nanowires exhibit relatively soft magnetic coercivity of 242 Oe, while the CoPt nanowires show a very high coercivity of at least 10.97 kOe, measured in the perpendicular direction along the nanowires axis. The composite soft magnet / hard magnet Ni/CoPt nanowires exhibit intermediate perpendicular coercivities depending on the relative amounts of Ni and CoPt. The Ni80nm / CoPt20nm nanowires showed a coercivity of 1.96 kOe, the Ni50nm / CoPt50nm nanowires had a coercivity of 3.59 kOe, and the Ni20nm / CoPt80nm nanowires had a coercivity of 5.10 kOe. This marked decrease in the coercivity is significant because it could facilitate easier magnetic data writing. Analysis of the magnetic properties of the various nanowire structures and their dependence on the processing parameters is presented. A method for utilizing the AAO structure to replicate a master stamp for nanoimprinting technology is also discussed. In addition, plans for future work and a discussion of the application of these fabricated structures towards magnetic recording technology are presented.
Book Synopsis Parallel Fabrication and Electronic Characterization of Nanostructured and Nanoheterostructured Metal Surfaces by :
Download or read book Parallel Fabrication and Electronic Characterization of Nanostructured and Nanoheterostructured Metal Surfaces written by and published by . This book was released on 1996 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have been pursuing the creation of quantum dot arrays fabricated in crystalline silicon. We wish to produce a two-dimensional array of crystalline Si(c-Si) quantum dots or boxes surrounded by a hydrogenated amorphous Si(a-Si:H) matrix. The quantum dots are to be defined spatially using the protein crystal masking technique described in our research grant and which we now briefly summarize. This nanofabrication technique is implemented using two-dimensional crystalline protein monolayers which are deposited on a substrate, metal shadowed at oblique incidence with an ultrathin (approx. 1 nm) titanium film, and then ion milled at normal incidence. During milling the metal film is reconfigured through a combination of sputtering and surface diffusion leaving a periodically nanostructured, ultrathin metal(oxide) film. Moreover, we have found that this nanostructured screen acts as a mask for the pattern transfer of a periodic array of holes or etch pits to the underlying substrate, which in the present case is silicon. jg p3.
Book Synopsis Synthesis and Characterization of Nanoporous Alumina Films and Their Application to Nanorod Array Fabrication by : Negar Abolhassani Monfared
Download or read book Synthesis and Characterization of Nanoporous Alumina Films and Their Application to Nanorod Array Fabrication written by Negar Abolhassani Monfared and published by . This book was released on 2011 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study is to synthesize and characterize the nanoporous structures that can be obtained by the anodization of thin film aluminum sputter deposited on a silicon wafer substrate. This study also investigated the application of nanoporous alumina to fabricate nanorod arrays by using preceramic polymers. Although there are many studies on the effect of anodizing conditions on anodized alumina, there are a few studies on anodizing of thin film aluminum. Anodized thin films of aluminum supported on silicon could have several applications that involve integrating the nanoporous structures into chemical and biological sensors and as templates for creating hierarchically complex nanostructures that are integrated with microelectronic circuits. In this study the different attributes of anodizing parameters in the synthesis of nanoporous structures on thin film aluminum compared to the results of studies on aluminum bulk is investigated. These differences can be due to attributes of the material, the resistance of the substrate and the reactions of substrate during anodizing. In this study the effects of different anodizing parameters and the contribution of each parameter were investigated using statistical approaches for quantification of pore sizes, their distributions and pore densities. This approach has never been previously used for studying the aluminum anodization. Until now, studies have always been based on average of the structure parameters with the hypothesis of homogeneity and uniformity of the structure which is not the case for anodization of thin film aluminum. To investigate the relative effect of each parameter, the Taguchi method and signal-to-noise calculation were applied. A new fabrication method for making nanorod arrays was introduced. In this method, nanoporous alumina was used as a casting mold for being filled by a preceramic polymer. KDT Ceraset polysilazane 20 (PSZ) and KDT Ceraset polyureasilazane (PUSZ) were two preceramic polymers which were selected for this purpose. To understand the changes in the chemical structure during the different steps of curing process of these preceramic polymers and also to find a better process for fabrication of nanorod arrays, the effect of curing conditions on these preceramic polymers were investigated.
Book Synopsis Fabrication of Nanostructured Anodized Aluminum Oxide (AAO) on Si-Al Substrate for Electronic Applications by : Nur Hafiza Mohd Najib
Download or read book Fabrication of Nanostructured Anodized Aluminum Oxide (AAO) on Si-Al Substrate for Electronic Applications written by Nur Hafiza Mohd Najib and published by . This book was released on 2012 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was performed to determine optimum parameters of anodizing process in order to develop AAO film for various applications in electronic field. This study focussed on the influence of anodizing parameters such as anodizing voltage, electrolyte temperature and electrolyte concentration to the growth of AAO film.
Book Synopsis Electrocrystallization in Nanotechnology by : Georgi T. Staikov
Download or read book Electrocrystallization in Nanotechnology written by Georgi T. Staikov and published by John Wiley & Sons. This book was released on 2007-02-27 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, the well-known editor in the field of electrocrystallization and his team of excellent international authors guarantee the high quality of the contributions. Clearly structured in two main parts, this book reviews the fundamentals and applications of electrocrystallization processes in nanotechnology. The first part, "Fundamentals" covers the basic concepts of electrocrystallization, computer simulations of low-dimensional metal phase formation, electrodeposition in templates and nanocavities, nanoscale electrocrystallization from ionic liquids, and superconformal electrodeposition of metals. The second part, "Preparation and properties of nanostructures", includes nanostructuring by STM tip induced localized electrocrystallization of metals, fabrication of ordered anodic nanoporous Al2O3 layers and their application, preparation of nanogaps, nanocontacts, nanowires and nanodots by selective electrochemical deposition, as well as electrodeposition of magnetic nanostructures and multilayers
Book Synopsis Fabrication and Characterization of Bulk Nanostructured Materials of Steel and Aluminum Alloys by Air Blast Shot Peening by : Rahul Waikar
Download or read book Fabrication and Characterization of Bulk Nanostructured Materials of Steel and Aluminum Alloys by Air Blast Shot Peening written by Rahul Waikar and published by . This book was released on 2010 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, bulk nanostructured materials processed by methods of severe plastic deformation (SPD) have attracted the growing interest in academia and industry. This interest is caused not only by unique physical and mechanical properties inherent to various nanostructured materials, e.g., higher hardness and Young's modulus, etc, but also by the ability of SPD process to create bulk nanostructures. In this dissertation work, air blast shot peening (ABSP) a SPD process using very high shot velocities was used to achieve high strain rates of surface material causing bulk surface nanocrystallization. ABSP process parameters has been extensively investigated to understand their effects on bulk nanostructures formed on steel (AISI 1018, AISI 1045, AISI 1075) and aluminum (Al 6061, Al 7075) components. Finite element simulations have also been carried out to study the effect of peening parameters on stress/strains and temperatures in the peened component. The peened samples have been characterized using optical microscope and scanning electron microscope (SEM) and the grain size shows a gradual reduction from the subsurface to the surface. The grain size of the steel and aluminum peened samples based on the TEM images was less than 50 nm. The nanocrystalline (NC) zone showed a considerably higher hardness as compared to the unpeened material. Lastly a study of corrosion characteristics of the NC layers fabricated on steel and aluminum alloys indicated a higher corrosion potential of the NC layers as compared to the bulk material.
Book Synopsis Fabrication of Nanostructured Surfaces with Well-defined Chemistry Using Particle Lithography by : Jie-Ren Li
Download or read book Fabrication of Nanostructured Surfaces with Well-defined Chemistry Using Particle Lithography written by Jie-Ren Li and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fabrication of Metal/Oxide Nanostructures by Anodization Processes for Biosensor, Drug Delivery and Supercapacitor Applications by : Po-Chun Chen
Download or read book Fabrication of Metal/Oxide Nanostructures by Anodization Processes for Biosensor, Drug Delivery and Supercapacitor Applications written by Po-Chun Chen and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation proposed to initiate the research into the fabrication of metal/oxide nanostructures by anodization process for biosensor, drug delivery and supercapacitor applications by producing different nanostructures which lead to the potential for various applications. This study focuses on the establishment of the knowledge and techniques necessary to perform metal/oxide nanostructures on biological and energy applications. This study will investigate: (1) the sensor and drug delivery applications of micro/nano structures; (2) novel processes to innovate anodic aluminum oxide nanotube template; (3) the supercapacitor applications of anodic titanium oxide. First, the extremely high surface area AAO coated microneedle and microneedle array can be developed as sensor and drug delivery devices. Due to the large surface area of the AAO, the film can absorb indicators to make it sensitive to testing targets. pH detection was demonstrated to show the sensing capability of the microneedle. Then, the microneedles were further built as an array by combining micromachining technique. The microneedle array provides a 3-D structure that possesses several hundred times more surface area and capacity than a traditional nanochannel template. Second, the nanoengineering process was conducted to innovate anodic aluminum oxide nanotube template. Guided anodization assisted by nanoimprint process formed AAO arrays that can be formed on controlled locations. More importantly, it shows the periodically ordered AAO array with different sizes of nanopores. With the improved AAO template, melting injection, electro/electroless deposition and sol-gel deposition were conducted to fabricate Ni nanowires/ TiO2 nanotubes, Ni/BaTiO3 core-shell nanotubes, and UHMWPE nanotubes. Third, various Ti-based alloys were anodized to form ordered nanotubes for supercapacitor application. Ti alloy oxide contains some porous layers which are not presented on TiO2 nanotube film. Thus, Ti alloys anodized oxide nanotubes have better supercapacitor behaviors than the conventional TiO2 nanotubes. However, a high surface area nanoporous Ti/TiO2 structure, which was fabricated by selective etching process, can accumulate large quantity of electrons and energy for supercapacitor needs. Additionally, nanoporous metals obtained by dealloying hold a unique combination of a highly conductive network and a bicontinuous open. The characteristics formed through dealloying also present a nice charge/discharge behavior and a good capacitance performance. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/152487
Book Synopsis Nanomagnetism and Spintronics by : Farzad Nasirpouri
Download or read book Nanomagnetism and Spintronics written by Farzad Nasirpouri and published by World Scientific. This book was released on 2011 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomagnetism and spintronics are two close subfields of nanoscience, explaining the effect of substantial magnetic properties of matter when the materials fabrication is realized at a comparable length size. Nanomagnetism deals with the magnetic phenomena specific to the structures having dimensions in the submicron range. The fact that the electronic transport properties of materials are dependent on the magnetic properties' artificial nanostructures, i.e., giant magnetoresistance (GMR) or tunneling magnetoresistance (TMR), has revolutionized spintronics science and technology. This book explains the concepts of nanomagnetism and spintronics by viewing the most recent research works from internationally distinguished research groups. Placing special emphasis on crucial fundamental and technical aspects of nanomagnetism and spintronics, it serves as a one-stop reference for universities offering postgraduate programs in nanotechnology or related disciplines. This unique book deals with all three stages required for conducting research in nanomagnetism and spintronics including fabrication, characterization and applications of nanomagnetic and spintronics materials, providing general concepts and an insightful overview of this subject for research students and scientists from different backgrounds investigating the multidisciplinary area of nanotechnology.
Book Synopsis Template Directed Fabrication and Characterization of 1D Nanostructures for Nanoelectronics by : Muhammad Ibrahim Khan
Download or read book Template Directed Fabrication and Characterization of 1D Nanostructures for Nanoelectronics written by Muhammad Ibrahim Khan and published by . This book was released on 2008 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Metallurgy of Anodizing Aluminum by : Jude Mary Runge
Download or read book The Metallurgy of Anodizing Aluminum written by Jude Mary Runge and published by Springer. This book was released on 2018-02-01 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, the history of the concepts critical to the discovery and development of aluminum, its alloys and the anodizing process are reviewed to provide a foundation for the challenges, achievements, and understanding of the complex relationship between the aluminum alloy and the reactions that occur during anodic oxidation. Empirical knowledge that has long sustained industrial anodizing is clarified by viewing the process as corrosion science, addressing each element of the anodizing circuit in terms of the Tafel Equation. This innovative approach enables a new level of understanding and engineering control for the mechanisms that occur as the oxide nucleates and grows, developing its characteristic highly ordered structure, which impact the practical function of the anodic aluminum oxide.
Book Synopsis The Surface Treatment and Finishing of Aluminium and Its Alloys by : P. G. Sheasby
Download or read book The Surface Treatment and Finishing of Aluminium and Its Alloys written by P. G. Sheasby and published by . This book was released on 2001 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
