Mossbauer Spectroscopic Study Of Iron Oxide Based Nanomaterials PDF Download
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| Author | : Nihar Ranjan Panda |
| Publisher | : LAP Lambert Academic Publishing |
| Total Pages | : 76 |
| Release | : 2012 |
| Genre | : |
| ISBN | : 9783846534663 |
Download Mossbauer Spectroscopic Study of Iron Oxide Based Nanomaterials Book in PDF, ePub and Kindle
Over the last few years experimental research has grown beyond the limit with adequate infrastructure. Research in nanotechnology is one of the major area in this context which is realized all the time in our day-to-day life. So nanoscience or nanoengineering has developed tremendous interest on young researchers in fabricating new materials with distinct morphology with useful applications. Transition metal oxides have claimed to be on the front row in this direction with variety of applications with new properties in low dimension. These materials are often studied by using different spectroscopic techniques in order to understand the inherent properties and in this project we have used Mossbauer spectroscopy to study iron oxide based nanocomposites. The intention of publication of this work is to grow motivation among graduate students especially from Indian Universities towards experimental research.
| Author | : Hien-Yoong Hah |
| Publisher | : |
| Total Pages | : 65 |
| Release | : 2018 |
| Genre | : Contrast media (Diagnostic imaging) |
| ISBN | : |
Download Mössbauer Spectroscopy of Iron Oxide Nanoparticles Book in PDF, ePub and Kindle
Nanoparticles of Fe3O4 (magnetite) and gamma-Fe2O3 (maghemite) have been studied by Mössbauer spectroscopy. These nanoparticles have applications as contrast agents for Magnetic Resonance Imaging. At room temperature, they are superparamagnetic and the magnetic hyperfine fields were averaged to zero. The spectra of Fe3O4 were composed of two lines corresponding to two crystal sites, identified from their isomer shifts as Fe3+ on the tetrahedral A site and Fe2·5+ (mixed Fe2+ and Fe3+) on the octahedral B site. The relative intensity of the two lines shows that the samples are almost stoichiometric with the formula Fe3−x̳O4, where x is less than 0.04 at room temperature. The x that was obtained was compared to those obtained in a magnetic field and at room temperature. The lines are broad and the measurements as a function of temperature were analyzed using Néel's theory of superparamagnetism to yield values of the relaxation times. The same nanoparticles that have oxidized into gamma-Fe2O3 have been studied for comparison.
| Author | : Damien Faivre |
| Publisher | : John Wiley & Sons |
| Total Pages | : 632 |
| Release | : 2016-04-12 |
| Genre | : Science |
| ISBN | : 3527691367 |
Download Iron Oxides Book in PDF, ePub and Kindle
Compiling all the information available on the topic, this ready reference covers all important aspects of iron oxides. Following a preliminary overview chapter discussing iron oxide minerals along with their unique structures and properties, the text goes on to deal with the formation and transformation of iron oxides, covering geological, synthetic, and biological formation, as well as various physicochemical aspects. Subsequent chapters are devoted to characterization techniques, with a special focus on X-ray-based methods, magnetic measurements, and electron microscopy alongside such traditional methods as IR/Raman and Mössbauer spectroscopy. The final section mainly concerns exciting new applications of magnetic iron oxides, for example in medicine as microswimmers or as water filtration systems, while more conventional uses as pigments or in biology for magnetoreception illustrate the full potential. A must-read for anyone working in the field.
| Author | : Alejandro G. Roca |
| Publisher | : Springer Nature |
| Total Pages | : 289 |
| Release | : 2021-09-20 |
| Genre | : Technology & Engineering |
| ISBN | : 3030740730 |
Download Surfaces and Interfaces of Metal Oxide Thin Films, Multilayers, Nanoparticles and Nano-composites Book in PDF, ePub and Kindle
This book provides a general overview and current state of the art of different types of metal oxide nanomaterials, either in nanoparticles or thin film structure. It covers from the development and optimization of different nanofabrication/synthesis techniques for nanostructures which are currently the attention of the research community, the study of the structure and interactions by different characterization techniques of heterostructured materials and the final impact in different applications such as nanotherapy, data storage, super magnets, high-frequency devices. The book’s 13 chapters provide deep insight into the intriguing science of oxide materials and include contributions on novel technologies to fabricate nanomaterials with a broad range of functional properties (semiconducting, magnetic, ferroelectric, thermoelectric, optical, flexible and mechanical). This book is intended to the experts for consolidation of their knowledge but also for students who aim to learn and get basics of nanostructured metal oxides in diverse forms.
| Author | : Rochelle M. Cornell |
| Publisher | : John Wiley & Sons |
| Total Pages | : 703 |
| Release | : 2006-12-13 |
| Genre | : Science |
| ISBN | : 3527606440 |
Download The Iron Oxides Book in PDF, ePub and Kindle
This book brings together in one, compact volume all aspects of the available information about the iron oxides. It presents a coherent, up to date account of the properties, reactions and mechanisms of formation of these compounds. In addition, there are chapters dealing with iron oxides in rocks and soils, as biominerals and as corrosion products together with methods of synthesis and the numerous application of these compounds. Their role in the environment is also discussed. The authors are experts in the field of iron oxides and have worked on all the topics covered. Much recent data from the authors' own laboratories is included and opportunities for further research are indicated. Special features are the electron micrographs and colour plates together with the many different spectra used to illustrate properties and aspects of behaviour. Numerous tables and graphs enable trends and relationships to be seen at a glance. The book concludes with an extensive bibliography. This book should prove invaluable to industry and to all researchers who, whatever their background and level of experience, are interested in this rapidly expanding field. It is an essential volume for any scientific library and is now in its second, completely revised and extended edition!
| Author | : Patricia Villegas |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2021 |
| Genre | : Iron oxides |
| ISBN | : 9781685070069 |
Download Iron Oxide Nanoparticles and Their Applications Book in PDF, ePub and Kindle
Iron oxide nanoparticles demonstrate a number of unique properties, including superparamagnetism, biocompatibility, and non-toxicity, which make them an ideal candidate for a variety of applications, as described in this book. Chapter One deals with the recent advances in various synthetic procedures of iron oxide-based nanocomposites, their characterization methods, and their potential applications in energy storage devices, supercapacitors, fuel cells, and more. Chapter Two summarizes current applications of immobilized enzymes based on iron oxide magnetic nanoparticles and discusses future growth prospects. Chapter Three reviews the properties and applications of enzymatic sensors in exploiting tyrosinase, glucose oxidase, and other enzymes for sensing a broad range of biomedical species. Chapter Four discusses magnetic magnetite and maghemite iron oxide nanoparticles from a variety of perspectives. Chapter Five describes how nano iron oxides could be used to remove pollutants from the environment. Chapter Six provides a comprehensive review of the catalytic applications of iron oxide nanoparticles in organic synthesis, high temperature reactions, gas-phase processes, wastewater treatment and supercritical upgradation of heavy petroleum oils. Chapter Seven details the photocatalytic degradation of a class of toxic, aromatic pollutants, namely, phenols and substituted phenols using different types of photocatalysts in the nano size range for effective removal these compounds from water bodies. Lastly, Chapter Eight elucidates various magnetic nanomaterials-based adsorbents used in adsorption techniques for wastewater treatment.
| Author | : Attila Vértes |
| Publisher | : |
| Total Pages | : 364 |
| Release | : 1997 |
| Genre | : Science |
| ISBN | : |
Download Mössbauer Spectroscopy of Sophisticated Oxides Book in PDF, ePub and Kindle
"The importance of oxides in the field of material science has shown a spectacular increase in the last two decades. Some classes of these oxides - such as inorganic glasses, magnetic oxides, high-T[subscript c] superconductors and alkali metal ferrates - attract even more attention due to their real or potential technical importance. This monograph is an overview of some unique results achieved by means of Mossbauer spectroscopy of these oxides which the authors call the "sophisticated oxides"."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved
| Author | : Jean-Philippe Devulder |
| Publisher | : |
| Total Pages | : 74 |
| Release | : 1996 |
| Genre | : Mössbauer spectroscopy |
| ISBN | : |
Download An Investigation, Using Mossbauer Spectroscopy, of the Preparation and Characterisation of Iron Oxides and Hydroxides in the Form of Sol-gels and Nanoparticles Book in PDF, ePub and Kindle
| Author | : Henning Wigger |
| Publisher | : Springer |
| Total Pages | : 269 |
| Release | : 2017-01-09 |
| Genre | : Technology & Engineering |
| ISBN | : 3658167912 |
Download Environmental Release of and Exposure to Iron Oxide and Silver Nanoparticles Book in PDF, ePub and Kindle
In this thesis a prospective approach was developed to identify and to assess current as well as potentially upcoming product applications with focus on environmental releases and exposures of engineered nanomaterials. The developed product application scenarios were illustrated in case studies on iron oxide and silver nanoparticles. It was shown that despite of prevailing knowledge gaps, reasonable estimations for environmental releases and exposures can be made. This novel approach facilitates the identification of early indicators for precautionary risk management measures and among them benign by design concepts in technology and product development.
| Author | : P. Gütlich |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 292 |
| Release | : 2013-11-11 |
| Genre | : Science |
| ISBN | : 3662125455 |
Download Mössbauer Spectroscopy and Transition Metal Chemistry Book in PDF, ePub and Kindle
Two decades have passed since the original discovery of recoilless nuclear gamma resonance by Rudolf Mossbauer; the spectroscopic method based on this resonance effect - referred to as Mossbauer spectroscopy - has developed into a powerful tool in solid-state research. The users are chemists, physicists, biologists, geologists, and scientists from other disciplines, and the spectrum of problems amenable to this method has become extraordinarily broad. In the present volume we have confined ourselves to applications of Mossbauer spectroscopy to the area of transition elements. We hope that the book will be useful not only to non-Mossbauer special ists with problem-Oriented activities in the chemistry and physics of transition elements, but also to those actively working in the field of Mossbauer spectroscopy on systems (compounds as well as alloys) of transition elements. The first five chapters are directed to introducing the reader who is not familiar with the technique to the principles of the recoilless nuclear resonance effect, the hyperfme interactions between nuclei and electronic properties such as electric and magnetic fields, some essential aspects about measurements, and the evaluation of Moss bauer spectra. Chapter 6 deals with the interpretation of Mossbauer parameters of iron compounds. Here we have placed emphasis on the information about the electronic structure, in correlation with quantum chemical methods, because of its importance for chemical bonding and magnetic properties.
