A Comparative Study For Chemical Modification Methods On Silicon Surface
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A Comparative Study For Chemical Modification Methods On Silicon Surface
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Author : Zang Xiong
language : en
Publisher:
Release Date : 2005
A Comparative Study For Chemical Modification Methods On Silicon Surface written by Zang Xiong and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Modification Of Silicon Nitride And Silicon Carbide Surfaces For Food And Biosensor Applications
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Author : Michel Rosso.
language : en
Publisher:
Release Date : 2009
Modification Of Silicon Nitride And Silicon Carbide Surfaces For Food And Biosensor Applications written by Michel Rosso. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Silicon Surfaces And Formation Of Interfaces
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Author : Jarek Dabrowski
language : en
Publisher: World Scientific
Release Date : 2000
Silicon Surfaces And Formation Of Interfaces written by Jarek Dabrowski and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Science categories.
Silicon, the basic material for a multibillion-dollar industry, is the most widely researched and applied semiconductor, and its surfaces are the most thoroughly studied of all semiconductor surfaces. Silicon Surfaces and Formation of Interfaces may be used as an introduction to graduate-level physics and chemical physics. Moreover, it gives a specialized and comprehensive description of the most common faces of silicon crystals as well as their interaction with adsorbates and overlayers. This knowledge is presented in a systematic and easy-to-follow way. Discussion of each system is preceded by a brief overview which categorizes the features and physical mechanisms before the details are presented. The literature is easily available, and the references am numerous and organized in tables, allowing a search without the need to browse through the text. Though this volume focuses on a scientific understanding of physics on the atomistic and mesoscopic levels, it also highlights existing and potential links between basic research in surface science and applications in the silicon industry. It will be valuable to anyone writing a paper, thesis, or proposal in the field of silicon surfaces.
Designing Chemical Approaches For Organic Modification Of Silicon Surfaces And Thermal Dry Etching Of Cobalt Thin Films
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Author : Jing Zhao
language : en
Publisher:
Release Date : 2018
Designing Chemical Approaches For Organic Modification Of Silicon Surfaces And Thermal Dry Etching Of Cobalt Thin Films written by Jing Zhao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Silicon and metal surfaces modified with organic molecule precursors are of great importance to the semiconductor and electronics industries. However, it is always a challenge to choose the most efficient precursors for forming a monolayer with surfaces and to investigate the chemical changes on surfaces by controlling critical conditions, such as surface temperature. In order to obtain a better understanding of the reactions between organic molecules and surfaces, we combined experimental results including infrared spectroscopy (IR), temperature programmed desorption (TPD), X-ray photoelectron spectroscopy (XPS), and microscopic studies together with density functional theory (DFT) studies. For silicon surface studies, we focused on determining the reaction step that plays the key role in halide precursors sticking probabilities and the influence of temperature on the formed monolayer. For metal surface studies, we focused on the etching method to control the layer thickness of thin metal films. ☐ During the process of achieving a halide-terminated Si (100) surface in ultrahigh vacuum (UHV), we compared the sticking probabilities of ethyl-chloride and ethyl-iodide reacting with a clean Si (100) surface using TPD and DFT studies. It has been demonstrated that the weakly bound precursor states of ethyl-halide on surfaces determines the sticking probabilities during adsorption. At the same time, we applied multivariate curve resolution (MCR), a mathematical method to simplify interpreting the complex TPD spectra resulting from the low sticking probability of ethyl-chloride adsorbing on silicon surfaces. ☐ In addition to halide-terminated Si (100) surfaces, amine-terminated Si (100) surfaces are reactive and potential for further modification. We studied the adsorption of triethylenediamine (TEDA) on a clean Si (100) surface as well as the adsorbents while varying temperature. The experimental techniques including IR, TPD, XPS and angular dependent near-edge X-Ray adsorption fine structure (NEXAFS) were supplemented by DFT calculations. We concluded that the adsorption process can be controlled by temperature: a datively bonded TEDA-Si-Si complex forms on the surface at room temperature as well as at cryogenic temperature with low exposure; heating above 400 K leads to C-N dissociation and ultimately the formation of surface nitride and carbide species. ☐ A thermal dry etching process of cobalt thin films was investigated using 1, 1, 1, 5, 5, 5 -hexafluoro-2, 4-pentanedione (hfacH). The chemical species resulting from thermal treatment were studied by IR, TPD, and XPS. The topography and morphology of the surfaces were investigated by atomic force microscopy (AFM) and scanning electron microscopy (SEM). The results indicated that the etching of cobalt can occur Hhfac, but not with halogens.
Surface Modification To Improve Properties Of Materials
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Author : Miran Mozetič
language : en
Publisher: MDPI
Release Date : 2019-04-16
Surface Modification To Improve Properties Of Materials written by Miran Mozetič and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-16 with Technology & Engineering categories.
This book contains selected contributions on surface modification to improve the properties of solid materials. The surface properties are tailored either by functionalization, etching, or deposition of a thin coating. Functionalization is achieved by a brief treatment with non-equilibrium gaseous plasma containing suitable radicals that interact chemically with the material surface and thus enable the formation of rather stable functional groups. Etching is performed in order to modify the surface morphology. The etching parameters are selected in such a way that a rich morphology of the surfaces is achieved spontaneously on the sub-micrometer scale, without using masks. The combination of adequate surface morphology and functionalization of materials leads to superior surface properties which are particularly beneficial for the desired response upon incubation with biological matter. Alternatively, the materials are coated with a suitable thin film that is useful in various applications from food to aerospace industries.
Chemical And Biochemical Modifications Of Silicon Surfaces
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Author : Wei Cai
language : en
Publisher:
Release Date : 2003
Chemical And Biochemical Modifications Of Silicon Surfaces written by Wei Cai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Handbook Of Porous Silicon
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Author : Leigh Canham
language : en
Publisher: Springer
Release Date : 2021-01-14
Handbook Of Porous Silicon written by Leigh Canham and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-14 with Technology & Engineering categories.
The Handbook of Porous Silicon brings together the expertise of a large, international team of almost 100 academic researchers, engineers, and product developers from industry across electronics, medicine, nutrition and consumer care to summarize the field in its entirity with 150 chapters and 5000 references. The volume presents 5 parts which cover fabrication techniques, material properties, characterization techniques, processing and applications. Much attention was given in the the past to its luminescent properties, but increasingly it is the biodegradability, mechanical, thermal and sensing capabilities that are attracting attention. The volume is divided into focussed data reviews with, wherever possible, quantitative rather than qualitative descriptions of both properties and performance. The book is targeted at undergraduates, postgraduates, and experienced researchers.
Electrochemically Engineered Nanoporous Materials
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Author : Dusan Losic
language : en
Publisher: Springer
Release Date : 2015-07-18
Electrochemically Engineered Nanoporous Materials written by Dusan Losic and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-18 with Technology & Engineering categories.
This book provides in-depth knowledge about the fabrications, structures, properties and applications of three outstanding electrochemically engineered nanoporous materials including porous silicon, nanoporous alumina and nanotubular titania. The book integrates three major themes describing these materials. The first theme is on porous silicon reviewing the methods for preparation by electrochemical etching, properties and methods for surface functionalization relevant for biosensing applications. Biomedical applications of porous silicon are major focus, described in several chapters reviewing recent developments on bioanalysis, emerging capture probes and drug delivery. The second theme on nanoporous alumina starts with describing the concept of self-organized electrochemical process used for synthesis nanopore and nanotube structures of valve metal oxides and reviewing recent development and progress on this field. The following chapters are focused mainly on optical properties and biosensing application of nanoporous alumina providing the reader with the depth of understanding of the structure controlled optical and photonic properties and design of optical biosensing devices using different detection principles such as photoluminescence, surface plasmon resonance, reflective spectrometry, wave guiding, Raman scattering etc. The third theme is focused on nanotubular titania reviewing three key applications including photocatalysis, solar cells and drug delivery. The book represents an important resource for academics, researchers, industry professionals, post-graduate and high-level undergraduate students providing them with both an overview of the current state-of-the-art on these materials and their future developments.
Surface Modification Of Biomaterials
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Author : Rachel Williams
language : en
Publisher: Elsevier
Release Date : 2010-11-25
Surface Modification Of Biomaterials written by Rachel Williams and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-25 with Medical categories.
The surface modification of biomaterials plays a significant role in determining the outcome of biological-material interactions. With the appropriate modification a material’s surface can be tailored to improve biocompatibility, adhesion and cell interactions. Consequently surface modification is vital in the development and design of new biomaterials and medical devices. Surface modification of biomaterials reviews both established surface modifications and those still in the early stages of research and discusses how they can be used to optimise biological interactions and enhance clinical performance.Part one begins with chapters looking at various types and techniques of surface modification including plasma polymerisation, covalent binding of poly (ethylene glycol) (PEG), heparinisation, peptide functionalisation and calcium phosphate deposition before going on to examine metal surface oxidation and biomaterial surface topography to control cellular response with particular reference to technologies, cell behaviour and biomedical applications. Part two studies the analytical techniques and applications of surface modification with chapters on analysing biomaterial surface chemistry, surface structure, morphology and topography before moving onto discuss modifying biomaterial surfaces to optimise interactions with blood, control infection, optimise interactions with soft tissues, repair and regenerate nerve cells, control stem cell growth and differentiation and to optimise interactions with bone.The distinguished editor and international team of contributors to Surface modification of biomaterials have produced a unique overview and detailed chapters on a range of surface modification techniques which will provide an excellent resource for biomaterials researchers and scientists and engineers concerned with improving the properties of biomaterials. It will also be beneficial for academics researching surface modification. Reviews both established surface modifications and those still in the early stages of research and how they can be used to optimise biological interactions and enhance clinical performance Studies analytical techniques and applications of surface modification with chapters assessing biomaterial surface chemistry, surface structure, morphology and topography Discusses modifying biomaterial surfaces to optimise interactions with blood and soft tissues and also to repair and regenerate nerve cells and control infection
Proceedings Of The 18th Annual International Conference Of The Ieee Engineering In Medicine And Biology Society
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Author : IEEE Engineering in Medicine and Biology Society. Conference
language : en
Publisher:
Release Date : 1997
Proceedings Of The 18th Annual International Conference Of The Ieee Engineering In Medicine And Biology Society written by IEEE Engineering in Medicine and Biology Society. Conference and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Biomedical engineering categories.
