Optically Active Charge Traps And Chemical Defects In Semiconducting Nanocrystals Probed By Pulsed Optically Detected Magnetic Resonance
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Optically Active Charge Traps And Chemical Defects In Semiconducting Nanocrystals Probed By Pulsed Optically Detected Magnetic Resonance
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Author : Kipp van Schooten
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-07-17
Optically Active Charge Traps And Chemical Defects In Semiconducting Nanocrystals Probed By Pulsed Optically Detected Magnetic Resonance written by Kipp van Schooten and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-17 with Technology & Engineering categories.
Colloidal nanocrystals show much promise as an optoelectronics architecture due to facile control over electronic properties afforded by chemical control of size, shape, and heterostructure. Unfortunately, realizing practical devices has been forestalled by the ubiquitous presence of charge "trap" states which compete with band-edge excitons and result in limited device efficiencies. Little is known about the defining characteristics of these traps, making engineered strategies for their removal difficult. This thesis outlines pulsed optically detected magnetic resonance as a powerful spectroscopy of the chemical and electronic nature of these deleterious states. Counterintuitive for such heavy atom materials, some trap species possess very long spin coherence lifetimes (up to 1.6 μs). This quality allows use of the trapped charge's magnetic moment as a local probe of the trap state itself and its local environment. Beyond state characterization, this spectroscopy can demonstrate novel effects in heterostructured nanocrystals, such as spatially-remote readout of spin information and the coherent control of light harvesting yield.
Defects In Nanocrystals
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Author : Sergio Pizzini
language : en
Publisher: CRC Press
Release Date : 2020-05-11
Defects In Nanocrystals written by Sergio Pizzini and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-11 with Technology & Engineering categories.
Defects in Nanocrystals: Structural and Physico-Chemical Aspects discusses the nature of semiconductor systems and the effect of the size and shape on their thermodynamic and optoelectronic properties at the mesoscopic and nanoscopic levels. The nanostructures considered in this book are individual nanometric crystallites, nanocrystalline films, and nanowires of which the thermodynamic, structural, and optical properties are discussed in detail. The work: Outlines the influence of growth processes on their morphology and structure Describes the benefits of optical spectroscopies in the understanding of the role and nature of defects in nanostructured semiconductors Considers the limits of nanothermodynamics Details the critical role of interfaces in nanostructural behavior Covers the importance of embedding media in the physico-chemical properties of nanostructured semiconductors Explains the negligible role of core point defects vs. surface and interface defects Written for researchers, engineers, and those working in the physical and physicochemical sciences, this work comprehensively details the chemical, structural, and optical properties of semiconductor nanostructures for the development of more powerful and efficient devices.
129 Xe Relaxation And Rabi Oscillations
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Author : Mark E. Limes
language : en
Publisher: Springer
Release Date : 2015-03-13
129 Xe Relaxation And Rabi Oscillations written by Mark E. Limes and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-13 with Science categories.
This thesis describes longitudinal nuclear relaxation measurements of solid 129Xe near 77 K with previously unattainable reproducibility, and demonstrates differences in relaxation, dependent upon the way in which the solid is condensed. These results are directly applicable to the generation and storage of large quantities of hyperpolarized 129Xe for various applications, such as lung magnetic resonance imaging (MRI). The thesis features a sophisticated theoretical approach to these data sets, including modifications to a well-established Raman-phonon scattering theory that may explain the larger scatter in and discrepancies with previous work.
Chemical Abstracts
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Author :
language : en
Publisher:
Release Date : 2002
Chemical Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Chemistry categories.
Diamond For Quantum Applications Part 1
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Author :
language : en
Publisher: Academic Press
Release Date : 2020-06-13
Diamond For Quantum Applications Part 1 written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-13 with Science categories.
Diamond for Quantum Applications Part 1, Volume 103, the latest release in the Semiconductors and Semimetals series, highlights new advances in the field, with this new volume presenting interesting chapters on a variety of timely topics. Each chapter is written by an international board of authors.
Label Free Super Resolution Microscopy
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Author : Vasily Astratov
language : en
Publisher:
Release Date : 2019
Label Free Super Resolution Microscopy written by Vasily Astratov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Microscopy categories.
This book presents the advances in super-resolution microscopy in physics and biomedical optics for nanoscale imaging. In the last decade, super-resolved fluorescence imaging has opened new horizons in improving the resolution of optical microscopes far beyond the classical diffraction limit, leading to the Nobel Prize in Chemistry in 2014. This book represents the first comprehensive review of a different type of super-resolved microscopy, which does not rely on using fluorescent markers. Such label-free super-resolution microscopy enables potentially even broader applications in life sciences and nanoscale imaging, but is much more challenging and it is based on different physical concepts and approaches. A unique feature of this book is that it combines insights into mechanisms of label-free super-resolution with a vast range of applications from fast imaging of living cells to inorganic nanostructures. This book can be used by researchers in biological and medical physics. Due to its logically organizational structure, it can be also used as a teaching tool in graduate and upper-division undergraduate-level courses devoted to super-resolved microscopy, nanoscale imaging, microscopy instrumentation, and biomedical imaging.
Defects In Sio2 And Related Dielectrics Science And Technology
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Author : Gianfranco Pacchioni
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-12-31
Defects In Sio2 And Related Dielectrics Science And Technology written by Gianfranco Pacchioni and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-12-31 with Medical categories.
Proceedings of the NATO Advanced Study Institute, Erice, Italy, April 8-20, 2000
Handbook Of Self Assembled Semiconductor Nanostructures For Novel Devices In Photonics And Electronics
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Author : Mohamed Henini
language : en
Publisher: Elsevier
Release Date : 2011-07-28
Handbook Of Self Assembled Semiconductor Nanostructures For Novel Devices In Photonics And Electronics written by Mohamed Henini and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-28 with Technology & Engineering categories.
The self-assembled nanostructured materials described in this book offer a number of advantages over conventional material technologies in a wide range of sectors. World leaders in the field of self-organisation of nanostructures review the current status of research and development in the field, and give an account of the formation, properties, and self-organisation of semiconductor nanostructures. Chapters on structural, electronic and optical properties, and devices based on self-organised nanostructures are also included. Future research work on self-assembled nanostructures will connect diverse areas of material science, physics, chemistry, electronics and optoelectronics. This book will provide an excellent starting point for workers entering the field and a useful reference to the nanostructured materials research community. It will be useful to any scientist who is involved in nanotechnology and those wishing to gain a view of what is possible with modern fabrication technology. Mohamed Henini is a Professor of Applied Physics at the University of Nottingham. He has authored and co-authored over 750 papers in international journals and conference proceedings and is the founder of two international conferences. He is the Editor-in-Chief of Microelectronics Journal and has edited three previous Elsevier books. - Contributors are world leaders in the field - Brings together all the factors which are essential in self-organisation of quantum nanostructures - Reviews the current status of research and development in self-organised nanostructured materials - Provides a ready source of information on a wide range of topics - Useful to any scientist who is involved in nanotechnology - Excellent starting point for workers entering the field - Serves as an excellent reference manual
Fluorescent Nanodiamonds
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Author : Huan-Cheng Chang
language : en
Publisher: John Wiley & Sons
Release Date : 2018-11-12
Fluorescent Nanodiamonds written by Huan-Cheng Chang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-12 with Science categories.
The most comprehensive reference on fluorescent nanodiamond physical and chemical properties and contemporary applications Fluorescent nanodiamonds (FNDs) have drawn a great deal of attention over the past several years, and their applications and development potential are proving to be manifold and vast. The first and only book of its kind, Fluorescent Nanodiamonds is a comprehensive guide to the basic science and technical information needed to fully understand the fundamentals of FNDs and their potential applications across an array of domains. In demonstrating the importance of FNDs in biological applications, the authors bring together all relevant chemistry, physics, materials science and biology. Nanodiamonds are produced by powerful cataclysmic events such as explosions, volcanic eruptions and meteorite impacts. They also can be created in the lab by high-pressure high-temperature treatment of graphite or detonating an explosive in a reactor vessel. A single imperfection can give a nanodiamond a specific, isolated color center which allows it to function as a single, trapped atom. Much smaller than the thickness of a human hair, a nanodiamond can have a huge surface area that allows it to bond with a variety of other materials. Because of their non-toxicity, nanodiamonds may be useful in biomedical applications, such as drug delivery and gene therapy. The most comprehensive reference on a topic of rapidly increasing interest among academic and industrial researchers across an array of fields Includes numerous case studies and practical examples from many areas of research and industrial applications, as well as fascinating and instructive historical perspectives Each chapter addresses, in-depth, a single integral topic including the fundamental properties, synthesis, mechanisms and functionalisation of FNDs The first book published by the key patent holder with his research group in the field of FNDs Fluorescent Nanodiamonds is an important working resource for a broad range of scientists and engineers in industry and academia. It will also be a welcome reference for instructors in chemistry, physics, materials science, biology and related fields.
Surface Plasmon Nanophotonics
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Author : Mark L. Brongersma
language : en
Publisher: Springer
Release Date : 2007-09-18
Surface Plasmon Nanophotonics written by Mark L. Brongersma and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-18 with Science categories.
This book discusses a new class of photonic devices, known as surface plasmon nanophotonic structures. The book highlights several exciting new discoveries, while providing a clear discussion of the underlying physics, the nanofabrication issues, and the materials considerations involved in designing plasmonic devices with new functionality. Chapters written by the leaders in the field of plasmonics provide a solid background to each topic.