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Tip Enhancement

Tip Enhancement Book
Author : N.A
Publisher : Elsevier
Release : 2011-09-22
ISBN : 9780080467894
Language : En, Es, Fr & De

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Book Description :

This book discusses the recent advances in the area of near-field Raman scattering, mainly focusing on tip-enhanced and surface-enhanced Raman scattering. Some of the key features covered here are the optical structuring and manipulations, single molecule sensitivity, analysis of single-walled carbon nanotubes, and analytic applications in chemistry, biology and material sciences. This book also discusses the plasmonic materials for better enhancement, and optical antennas. Further, near-field microscopy based on second harmonic generation is also discussed. Chapters have been written by some of the leading scientists in this field, who present some of their recent work in this field. ·Near-field Raman scattering ·Tip-enhanced Raman spectroscopy ·Surface-enhanced Raman spectroscopy ·Nano-photonics ·Nanoanalysis of Physical, chemical and biological materials beyond the diffraction limits ·Single molecule detection

500 Tips for Quality Enhancement in Universities and Colleges

500 Tips for Quality Enhancement in Universities and Colleges Book
Author : Sally Brown,Phil Race,Brenda Smith
Publisher : Psychology Press
Release : 1997
ISBN : 9780749422233
Language : En, Es, Fr & De

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Book Description :

Provides practical, realistic and wide ranging suggestions about how quality can be measured, maintained and improved. Highlights quality issues such as : valuing students and staff; enhancing learning through feedback and evaluation and preparing for assessment visits.

Oxford Handbook of Nanoscience and Technology

Oxford Handbook of Nanoscience and Technology Book
Author : A.V. Narlikar,Y.Y. Fu
Publisher : Oxford University Press
Release : 2010-02-11
ISBN : 0199533059
Language : En, Es, Fr & De

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Book Description :

These three volumes are intended to shape the field of nanoscience and technology and will serve as an essential point of reference for cutting-edge research in the field.

Nano optics and Near field Optical Microscopy

Nano optics and Near field Optical Microscopy Book
Author : Anatoly V. Zayats,David Richards (Prof.)
Publisher : Artech House
Release : 2009
ISBN : 1596932848
Language : En, Es, Fr & De

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Book Description :

This groundbreaking book focuses on near-field microscopy which has opened up optical processes at the nanoscale for direct inspection. Further, it explores the emerging area of nano-optics which promises to make possible optical microscopy with true nanometer resolution. This frontline resource helps you achieve high resolution optical imaging of biological species and functional materials. You also find guidance in the imaging of optical device operation and new nanophotonics functionalities.

Nanoscale Spectroscopy with Applications

Nanoscale Spectroscopy with Applications Book
Author : Sarhan M. Musa
Publisher : CRC Press
Release : 2018-10-08
ISBN : 1351831895
Language : En, Es, Fr & De

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Book Description :

This book introduces the key concepts of nanoscale spectroscopy methods used in nanotechnologies in a manner that is easily digestible for a beginner in the field. It discusses future applications of nanotechnologies in technical industries. It also covers new developments and interdisciplinary research in engineering, science, and medicine. An overview of nanoscale spectroscopy for nanotechnologies, the book describes the technologies with an emphasis on how they work and on their key benefits. It also serves as a reference for veterans in the field.

Surface Enhanced Raman Scattering

Surface Enhanced Raman Scattering Book
Author : Katrin Kneipp,Martin Moskovits,Harald Kneipp
Publisher : Springer Science & Business Media
Release : 2006-06-21
ISBN : 3540335676
Language : En, Es, Fr & De

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Book Description :

Almost 30 years after the first reports on surface-enhanced Raman signals, the phenomenon of surface-enhanced Raman scattering (SERS) is now well established. SERS gained particular interest after single-molecule Raman spectroscopy had been demonstrated. This book summarizes and discusses present theoretical approaches that explain the phenomenon of SERS and reports on new and exciting experiments and applications of the fascinating spectroscopic effect.

Handbook of Spectroscopy

Handbook of Spectroscopy Book
Author : G¿nter Gauglitz,David S. Moore
Publisher : John Wiley & Sons
Release : 2014-05-05
ISBN : 3527654720
Language : En, Es, Fr & De

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Book Description :

This second, thoroughly revised, updated and enlarged edition provides a straightforward introduction to spectroscopy, showing what it can do and how it does it, together with a clear, integrated and objective account of the wealth of information that may be derived from spectra. It also features new chapters on spectroscopy in nano-dimensions, nano-optics, and polymer analysis. Clearly structured into sixteen sections, it covers everything from spectroscopy in nanodimensions to medicinal applications, spanning a wide range of the electromagnetic spectrum and the physical processes involved, from nuclear phenomena to molecular rotation processes. In addition, data tables provide a comparison of different methods in a standardized form, allowing readers to save valuable time in the decision process by avoiding wrong turns, and also help in selecting the instrumentation and performing the experiments. These four volumes are a must-have companion for daily use in every lab.

Comprehensive Nanoscience and Technology

Comprehensive Nanoscience and Technology Book
Author : N.A
Publisher : Academic Press
Release : 2010-10-29
ISBN : 9780123743961
Language : En, Es, Fr & De

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Book Description :

From the Introduction: Nanotechnology and its underpinning sciences are progressing with unprecedented rapidity. With technical advances in a variety of nanoscale fabrication and manipulation technologies, the whole topical area is maturing into a vibrant field that is generating new scientific research and a burgeoning range of commercial applications, with an annual market already at the trillion dollar threshold. The means of fabricating and controlling matter on the nanoscale afford striking and unprecedented opportunities to exploit a variety of exotic phenomena such as quantum, nanophotonic and nanoelectromechanical effects. Moreover, researchers are elucidating new perspectives on the electronic and optical properties of matter because of the way that nanoscale materials bridge the disparate theories describing molecules and bulk matter. Surface phenomena also gain a greatly increased significance; even the well-known link between chemical reactivity and surface-to-volume ratio becomes a major determinant of physical properties, when it operates over nanoscale dimensions. Against this background, this comprehensive work is designed to address the need for a dynamic, authoritative and readily accessible source of information, capturing the full breadth of the subject. Its six volumes, covering a broad spectrum of disciplines including material sciences, chemistry, physics and life sciences, have been written and edited by an outstanding team of international experts. Addressing an extensive, cross-disciplinary audience, each chapter aims to cover key developments in a scholarly, readable and critical style, providing an indispensible first point of entry to the literature for scientists and technologists from interdisciplinary fields. The work focuses on the major classes of nanomaterials in terms of their synthesis, structure and applications, reviewing nanomaterials and their respective technologies in well-structured and comprehensive articles with extensive cross-references. It has been a constant surprise and delight to have found, amongst the rapidly escalating number who work in nanoscience and technology, so many highly esteemed authors willing to contribute. Sharing our anticipation of a major addition to the literature, they have also captured the excitement of the field itself in each carefully crafted chapter. Along with our painstaking and meticulous volume editors, full credit for the success of this enterprise must go to these individuals, together with our thanks for (largely) adhering to the given deadlines. Lastly, we record our sincere thanks and appreciation for the skills and professionalism of the numerous Elsevier staff who have been involved in this project, notably Fiona Geraghty, Megan Palmer and Greg Harris, and especially Donna De Weerd-Wilson who has steered it through from its inception. We have greatly enjoyed working with them all, as we have with each other.

Interpreting High Resolution Tip Enhanced Raman Spectroscopy Images

Interpreting High Resolution Tip Enhanced Raman Spectroscopy Images Book
Author : Pengchong Liu
Publisher :
Release : 2020
ISBN :
Language : En, Es, Fr & De

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Book Description :

Raman spectroscopy is one of the fundamental techniques in chemical characterization. It measures the amount of photons and their frequency shifts scattered by the molecule under a given laser beam. The frequency shifts originate from the molecule's vibrations, which are determined by its microscopic structure. Thus, a Raman spectrum is often regarded as the molecule's "fingerprint". When the molecule is placed on a noble metal surface with some curvature, the Raman signals are greatly enhanced by the plasmonic near field at the surface. This technique is called "surface- enhanced Raman spectroscopy", or SERS. Because of the significantly improved sensitivity relative to regular Raman scattering, SERS has grown into a widely popular tool for chemical research and practical applications. Moreover, the molecule-metal interaction that lies in the center of the mechanism of SERS has been a hot topic of fundamental research since its discovery and has led to many variants in the development of spectroscopic techniques. Tip-enhanced Raman spectroscopy (TERS) integrates the scanning probe microscopy and SERS. Similar to SERS, the enhancement of Raman scattering in TERS benefits from the inhomogeneous near field induced by the plasmonic resonance of the noble metal nanostructure. However, the TERS spectrum of a molecule is often found different than SERS, and it changes with the tip position. The combination of the chemical sensitivity and the spatial resolution makes TERS a promising technique for microscopic characterization. A comprehensive demonstration of these unique features is TERS imaging. A TERS image is a two-dimensional map of the Raman intensity at a certain frequency varying with the scanning tip. It exhibits a sub-nanometer resolution and is specific to the corresponding vibrational mode. TERS imaging is considered as a visualization of molecular vibrations and sets stage for a new way of understanding molecules. Therefore, it is necessary to develop theoretical interpretation of TERS images and their connections to the underlying molecular vibration. However, interpreting TERS images is challenging as the brightspot pattern does not always strictly align with the vibrating atoms and the signals are very sensitive to experimental conditions. In this dissertation, three major aspects of TERS theory are explored: the effect of the plasmonic near field electromagnetic mechanism), the plasmonic resonance inside a subnanometer cavity (gap plasmonics), and the quantum mechanical interactions between the molecule and the substrate (the chemical mechanism). In particular, the critical conditions of the near field to achieve atomic resolution are found. It is also illustrated that the locally integrated Raman polarizability density is the sub-molecular property probed by the confined near field in TERS. It provides an intuitive description of the TERS imaging mechanism, which is usually hidden in the self-consistent cycles of conventional calculations using the time-dependent density functional theory. The distinct feature of TERS is largely ascribed to the unique plasmonic properties of a sub-nanometer junction consisting of a flat metal substrate and an atomically sharp tip. At this length scale, atomistic electrodynamics is adopted to describe the nanostructure because it captures the microscopic structure and at the same time retains the efficiency of a classical model.To study the charge-transfer plasmon due to quantum tunneling, a Hirshfeld partitioning scheme is developed to distinguish the plasmonic resonances within and across the coupled nanoparticles. Furthermore, this dissertation presents the development of a new theoretical method to better describe the substrate-molecule coupling, namely, exact frozen density embedding. The method to obtain the response properties of a molecule is derived based on the exact frozen density embedding within the framework of time-dependent density functional theory. Finally, a polarizable frozen density embedding method is developed to include the polarization effect due to the presence of a metal nanoparticle. The development of these theoretical tools is potentially applicable to the studies of the electronic structures of a TERS system.

Spectroelectrochemistry

Spectroelectrochemistry Book
Author : Robert J. Gale
Publisher : Springer Science & Business Media
Release : 1988-07-31
ISBN : 9780306428555
Language : En, Es, Fr & De

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Book Description :

The intention of this monograph has been to assimilate key practical and theoretical aspects of those spectroelectrochemical techniques likely to become routine aids to electrochemical research and analysis. Many new methods for interphasial studies have been and are being developed. Accordingly, this book is restricted in scope primarily to in situ methods for studying metal! electrolyte or semiconductor! electrolyte systems; moreover, it is far from inclusive of the spectroelectrochemical techniques that have been devised. However, it is hoped that the practical descriptions provided are sufficiently explicit to encourage and enable the newcomer to establish the experimental facilities needed for a particular problem. The chapters in this text have been written by international authorities in their particular specialties. Each chapter is broadly organized to review the origins and historical background of the field, to provide sufficiently detailed theory for graduate student comprehension, to describe the practical design and experimental methodology, and to detail some representative application examples. Since publication of Volume 9 of the Advances in Electrochemistry and Electrochemical Engineering series (1973), a volume devoted specifically to spectroelectrochemistry, there has been unabated growth of these fields. A number of international symposia-such as those held at Snowmass, Colorado, in 1978, the proceedings of which were published by North-Holland (1980); at Logan, Utah in 1982, published by Elsevier (1983); or at the Fritz Haber Institute in 1986-have served as forums for the discussion of nontraditional methods to study interphases and as means for the dissemination of a diversity of specialist research papers.

Carbon Nanotubes

Carbon Nanotubes Book
Author : Ado Jorio,Gene Dresselhaus,Mildred S. Dresselhaus
Publisher : Springer Science & Business Media
Release : 2007-12-18
ISBN : 9783540728658
Language : En, Es, Fr & De

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Book Description :

Building on the success of its predecessor, Carbon Nanotubes: Synthesis, Structure, Properties and Applications, this second volume focuses on those areas that have grown rapidly in the past few years. Contributing authors reflect the multidisciplinary nature of the book and are all leaders in their particular areas of research. Among the many topics they cover are graphene and other carbon-like and tube-like materials, which are likely to affect and influence developments in nanotubes within the next five years. Extensive use of illustrations enables you to better understand and visualize key concepts and processes.

Nonlinear Optics of Random Media

Nonlinear Optics of Random Media Book
Author : Vladimir M. Shalaev
Publisher : Springer Science & Business Media
Release : 1999-11-02
ISBN : 9783540656159
Language : En, Es, Fr & De

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Book Description :

Nonlinear Optics of Random Media reviews recent advances in in one of the most prominent fields of physics. It provides an outline of the basic models of irregular structures of random inhomogeneous media and the approaches used to describe their linear electromagnetic properties. Nonlinearities in random media are also discussed. The chapters can be read independently, so scientists and students interested in a specific problem can go directly to the relevant text.

Consideration of the 15 Factors in the Metropolitan Planning Process

Consideration of the 15 Factors in the Metropolitan Planning Process Book
Author : Thomas F. Humphrey
Publisher : Transportation Research Board
Release : 1995
ISBN : 9780309058537
Language : En, Es, Fr & De

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Book Description :

This synthesis will be of immediate interest to land use and transportation planning officials, with special interest to state, regional, and local planners and administrators who must respond to the requirements of the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA). The process for incorporating the 15 factors into the comprehensive land use and transportation plans by metropolitan planning organizations (MPOs) and the 23 factors into statewide plans by state planning agencies is described in this synthesis. Because the planning process is in a constant state of flux and many deadlines have been shifted, this report of the Transportation Research Board represents practice during mid 1994, and includes several case study examples of MPO approaches to addressing the 15 factors in their region. This synthesis provides information on how some agencies have succeeded in incorporating the 15 factors in the early stages of ISTEA implementation; however, it is not intended to be a guideline. Specific issues and concerns, both now and in the future, are highlighted, as are the elements that need to be considered throughout the complex process of responding to ISTEA and the 1990 Clean Air Act Amendments requirements.

101 Excel 2013 Tips Tricks and Timesavers

101 Excel 2013 Tips  Tricks and Timesavers Book
Author : John Walkenbach
Publisher : John Wiley & Sons
Release : 2013-06-10
ISBN : 1118642325
Language : En, Es, Fr & De

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Book Description :

Get the most out of Excel 2013 with this exceptional advice from Mr. Spreadsheet himself! Excel 2013 is excellent, but there's lots to learn to truly excel at Excel! In this latest addition to his popular Mr. Spreadsheet's Bookshelf series, John Walkenbach, aka "Mr. Spreadsheet," shares new and exciting ways to accomplish and master all of your spreadsheet tasks. From taming the Ribbon bar to testing and tables, creating custom functions, and overcoming "impossible" charts, mixing nesting limits, and more, 101 Excel 2013 Tips, Tricks, & Timesavers will save you time and help you avoid common spreadsheet stumbling blocks. Reveals ways to maximize the power of Excel to create robust applications Draws on John Walkenbach's years of experience using Excel and writing more than 50 books Shares tips and tricks for dealing with function arguments, creating add-ins, using UserForms, working with dynamic chart data, and changing data entry orientation Provides shortcuts and helpful techniques for sorting more than three columns, entering fake data for testing purposes, and setting up powerful pivot tables 101 Excel 2013 Tips, Tricks, & Timesavers is packed with information that you need to know in order to confidently and seamlessly master the challenges that come with using Excel!

Expanding Tip Enhanced Raman Spectroscopy

Expanding Tip Enhanced Raman Spectroscopy Book
Author : Jacob D. Scherger
Publisher :
Release : 2017
ISBN :
Language : En, Es, Fr & De

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Book Description :

Through the use of alternative probe materials, specifically titanium nitride, the capabilities of Tip enhanced Raman spectroscopy (TERS) have been expanded to new environments, and through the study of the blinking phenomenon a greater understanding of its capabilities has been achieved. TERS is a powerful analytical technique for measuring surfaces on the nanoscale. It is capable of simultaneously providing well resolved topographical and chemical information from a sample surface, and has been previously shown to be capable of single molecule sensitivity. It is shown here that blinking of individual species of a miscible blend can be observed even in non-resonant, non-dilute polymer systems. This result affirms thermal diffusion as the primary diffusive mechanism driving blinking, allows us to infer the size of highly enhancing areas within a larger plasmonic structure, and acts as a potential stepping stone towards more quantitative measurements with more well defined probes. Improving upon the versatility of the technique, protected titanium nitride coated probes are demonstrated to not only provide enhancement, but to act as robust probes in aqueous environments and to allow for the plasmon resonance wavelength to be tuned based on deposition conditions. These two properties serve to expand the applicability of TERS; extending potential for in-situ biological measurements and allowing for use in a wider variety of laboratory conditions.

Text of A Papers from the Meeting

Text of  A  Papers from the     Meeting Book
Author : IEEE Power Engineering Society
Publisher :
Release : 1977
ISBN :
Language : En, Es, Fr & De

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Book Description :

"Contains the full text of all the papers published in abstract "A" form in PA&S."

JOSA A

JOSA A Book
Author : N.A
Publisher :
Release : 2003-10
ISBN :
Language : En, Es, Fr & De

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Book Description :