Structure And Properties Of 3d Transition Metal Doped Zno

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Structure and Properties of 3d Transition Metal Doped ZnO

Author : Venkaiah Malapati
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659588426
Total Pages : 196 pages
Book Rating : 4.5/5 (884 download)

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Book Synopsis Structure and Properties of 3d Transition Metal Doped ZnO by : Venkaiah Malapati

Download or read book Structure and Properties of 3d Transition Metal Doped ZnO written by Venkaiah Malapati and published by LAP Lambert Academic Publishing. This book was released on 2014-08-27 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: ZnO based semiconductors as transparent electrodes have given wide range of applications in optoelectronic devices due to their wide band gap replacing the conventional GaN semiconductors. This book is the compilation of the work of Venkaiah Malapati which deals with the synthesis and characterization of an interesting room temperature undoped and 3d transition metal doped ZnO thin films by rf magnetron sputtering. this work addresses the following three major questions... (1) what is the effect of working gas pressure on the properties of undoped and Mn, Fe and Mn-Fe co-doped ZnO thin films. Here, the effect of argon and oxygen gas pressure studied undoped and Mn and Fe doped thin films studied. This book includes a systematic study of structure, morphology, optical, mechanical and magnetic properties of undoped Mn, Fe doped ZnO thin films studied. This book should be useful to readers in enhancing their knowledge about thin film preparation and their characterization.

Transition Metal Doped ZnO:Synthesis Structural and Optical Properties

Author : Sajid Husain
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659473401
Total Pages : 76 pages
Book Rating : 4.4/5 (734 download)

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Book Synopsis Transition Metal Doped ZnO:Synthesis Structural and Optical Properties by : Sajid Husain

Download or read book Transition Metal Doped ZnO:Synthesis Structural and Optical Properties written by Sajid Husain and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will provide a good understanding to readers about the chemical synthesis process of un-doped and doped ZnO nanoparticles. The various characterization has been done which emphasize to optoelectronic application on the basis of band gap tuning. And it has an immense application in DMS materials also. The additional information includes in the APPENDICES-A & B which might be useful for synthesis and the energy band gap calculation with theoretical reference.

Transition Metal Ions Doped Zno Nanopowders

Author : B. Babu
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659255304
Total Pages : 136 pages
Book Rating : 4.2/5 (553 download)

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Book Synopsis Transition Metal Ions Doped Zno Nanopowders by : B. Babu

Download or read book Transition Metal Ions Doped Zno Nanopowders written by B. Babu and published by LAP Lambert Academic Publishing. This book was released on 2015-02-16 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intensive research on semiconductor nanomaterials has increased remarkably during the past years due to their unique characteristics. Wide-band gap oxide semiconductors have occupied the forefront because of an increasing need for short wavelength photonic devices, high-power, high-frequency electronic devices. Doping with proper metal elements via introducing acceptor or donor in host material is an effective approach to tune the materials with requisite properties. Among different magnetic semiconductor materials, 3d transition metal doped ZnO has received maximum attention due to the observation of room temperature ferromagnetism with suitable magnetic dopant ions. Therefore, selection of proper doping element in ZnO has become an important route for enhancing and controlling electrical, optical and magnetic performances of nanomaterials. The objective of the present investigation is to synthesis, structural, spectroscopic and magnetic properties of transition metal ions doped ZnO nanopowders by solid state reaction with sonochemical assistance. The synthesized powders are characterized by XRD, SEM, Optical absorption, PL, FT-IR, EPR and VSM techniques.

ZnO and Their Hybrid Nano-Structures

Author : Gaurav Sharma
Publisher : Materials Research Forum LLC
ISBN 13 : 1644902397
Total Pages : 333 pages
Book Rating : 4.6/5 (449 download)

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Book Synopsis ZnO and Their Hybrid Nano-Structures by : Gaurav Sharma

Download or read book ZnO and Their Hybrid Nano-Structures written by Gaurav Sharma and published by Materials Research Forum LLC. This book was released on 2023-06-05 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: ZnO and its hybrid nanostructures have unique optical, physical and chemical properties. The book covers recent trends in processing techniques and applications. Topics include solar cells, photo-voltaic devices, fuel cells, uv filters, lasers, light-emitting diodes, photo-detectors, spin-tronic devices, magnetic semiconductors, nano-generators, piezotronics, photo-catalytic applications against harmful organic pollutants like dyes, heavy metals, antibiotics, and sensors such as bio sensors, chemical sensors, gas sensors. Keywords: ZnO, Nano ZnO, Point Defects, Magnetic Semiconductors, Hybrid Nanostructures, Cell Applications, Nanoadsorbant for Heavy Metal Removals, Diagnostics, ZnO Nano-Carriers, ZnO Thin Films Fabrication.

Optical Properties of Transition-metal-doped GaN and ZnO for Spintronics Applications

Author : Enno Malguth
Publisher :
ISBN 13 :
Total Pages : 434 pages
Book Rating : 4.:/5 (298 download)

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Book Synopsis Optical Properties of Transition-metal-doped GaN and ZnO for Spintronics Applications by : Enno Malguth

Download or read book Optical Properties of Transition-metal-doped GaN and ZnO for Spintronics Applications written by Enno Malguth and published by . This book was released on 2008 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanostructured Materials for the Detection of CBRN

Author : Janez Bonča
Publisher : Springer
ISBN 13 : 9402413049
Total Pages : 361 pages
Book Rating : 4.4/5 (24 download)

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Book Synopsis Nanostructured Materials for the Detection of CBRN by : Janez Bonča

Download or read book Nanostructured Materials for the Detection of CBRN written by Janez Bonča and published by Springer. This book was released on 2018-07-11 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes topics in nanophysics, nanotechnology, nanomaterials, sensors, biosensors, security systems, and CBRN agents detection. There have been many significant advances in the past two years and some entirely new directions of research are just opening up. Recent developments in nanotechnology and measurement techniques now allow experimental investigation of the physical properties of nanostructured materials. The book presents new methods for the detection of chemical, biological, radiological and nuclear (CBRN) agents using chemical and biochemical sensors. Identification, protection and decontamination are the main scientific and technological responses for the modern challenges of CBRN agents.

Structural, Optical and Electrical Properties of Undoped and Doped ZnO Thin Films

Author : Bruno Chandrasekar L
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)

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Book Synopsis Structural, Optical and Electrical Properties of Undoped and Doped ZnO Thin Films by : Bruno Chandrasekar L

Download or read book Structural, Optical and Electrical Properties of Undoped and Doped ZnO Thin Films written by Bruno Chandrasekar L and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: ZnO, which has high electrochemical stability, wide band gap energy, large excitonic binding energy, intense near band excitonic emission and is non-toxic, have potential applications in all fields. This chapter reviews the structural, optical and electrical properties of undoped and doped ZnO thin films. The type of doping highly influences the structural properties such as grain size, texture coefficient and unit cell properties. The dopants of transition metal and nonmetals have unique characteristics. Moreover, mono-doping and co-doping encourage this research. The optical properties such as bandgap, charge carrier concentrations and transmissions of the films depend on the doping as well as the preparation condition of the films. The effect of doping on its properties is also discussed.

Handbook of Zinc Oxide and Related Materials

Author : Zhe Chuan Feng
Publisher : CRC Press
ISBN 13 : 1000687147
Total Pages : 449 pages
Book Rating : 4.0/5 (6 download)

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Book Synopsis Handbook of Zinc Oxide and Related Materials by : Zhe Chuan Feng

Download or read book Handbook of Zinc Oxide and Related Materials written by Zhe Chuan Feng and published by CRC Press. This book was released on 2012-09-26 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through their application in energy-efficient and environmentally friendly devices, zinc oxide (ZnO) and related classes of wide gap semiconductors, including GaN and SiC, are revolutionizing numerous areas, from lighting, energy conversion, photovoltaics, and communications to biotechnology, imaging, and medicine. With an emphasis on engineering a

Frontiers of 4D- and 5D-transition Metal Oxides

Author : Gang Cao
Publisher : World Scientific
ISBN 13 : 9814374865
Total Pages : 328 pages
Book Rating : 4.8/5 (143 download)

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Book Synopsis Frontiers of 4D- and 5D-transition Metal Oxides by : Gang Cao

Download or read book Frontiers of 4D- and 5D-transition Metal Oxides written by Gang Cao and published by World Scientific. This book was released on 2013 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is aimed at advanced undergraduates, graduate students and other researchers who possess an introductory background in materials physics and/or chemistry, and an interest in the physical and chemical properties of novel materials, especially transition metal oxides.New materials often exhibit novel phenomena of great fundamental and technological importance. Contributing authors review the structural, physical and chemical properties of notable 4d- and 5d-transition metal oxides discovered over the last 10 years. These materials exhibit extraordinary physical properties that differ significantly from those of the heavily studied 3d-transition metal oxides, mainly due to the relatively strong influence of the spin-orbit interaction and orbital order in 4d- and 5d materials. The immense growth in publications addressing the physical properties of these novel materials underlines the need to document recent advances and the current state of this field. This book includes overviews of the current experimental situation concerning these materials.

Transition Metal Doped ZnO for Spintronics

Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Transition Metal Doped ZnO for Spintronics by :

Download or read book Transition Metal Doped ZnO for Spintronics written by and published by . This book was released on 2007 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this project, the properties of transition metal (TM) -doped ZnO will be investigated. The project focuses on two activities. First, the properties of ZnO doped with transition metals (Mn, Co, or Cr) and deep level impurities (Cu, As, Sn) is explored. The primary interest will be on elucidating the origin of magnetism in the TM-doped material, including understanding the role of deep level co-dopants in mediating ferromagnetism. Experiments will focus on correlating magnetic properties (Curie temperature, moment/TM dopant) with the TM and deep level dopant concentrations. Epitaxial film growth and ion implantation of single crystals will be used in these studies. Second, for the dilute magnetic semiconducting compounds, there appears to be a correlation of Curie temperature with semiconductor bandgap. In an effort to increase the Curie temperature to greater than 300 K, the properties of TM-doped (Zn, Mg)O will also be investigated, as the addition of Mg to ZnO increases the bandgap. The epitaxial films will be grown by pulsed-laser deposition. Temperature-dependent Hall and resistivity measurements will be used to determine conduction mechanisms, carrier type, and doping. SQUID magnetometry will be used to characterize the magnetic properties of transition metal doped materials.

Gas Sensors Based on Conducting Metal Oxides

Author : Nicolae Barsan
Publisher : Elsevier
ISBN 13 : 0128112255
Total Pages : 295 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Gas Sensors Based on Conducting Metal Oxides by : Nicolae Barsan

Download or read book Gas Sensors Based on Conducting Metal Oxides written by Nicolae Barsan and published by Elsevier. This book was released on 2018-10-17 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas Sensors Based on Conducting Metal Oxides: Basic Understanding, Technology and Applications focuses on two distinct types of gas sensors based on conducting metal oxides. Ion conduction, applied in so-called solid-state electrolytic sensors for one, and electronic conduction used in semiconductivity gas sensors for the other. The well-known ?–probe, a key component to optimize combustion in car engines, is an example of the former type, and the in-cabin car air-quality control SnO2 and WO2 sensor array stands for the semiconductivity type. Chapters cover basic aspects of functioning principles and describe the technologies and challenges of present and future sensors. Provides reader background and context on sensors, principles, fabrication and applications Includes chapters on specific technological applications, such as exhaust sensors, environmental sensors, explosive gases alarms and more Presents a structured presentation that allows for quick reference of vital information

Investigations on Transition Metal Doped Semiconductor for Spintronics

Author : Reddithota Vidya Sagar
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783843359726
Total Pages : 168 pages
Book Rating : 4.3/5 (597 download)

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Book Synopsis Investigations on Transition Metal Doped Semiconductor for Spintronics by : Reddithota Vidya Sagar

Download or read book Investigations on Transition Metal Doped Semiconductor for Spintronics written by Reddithota Vidya Sagar and published by LAP Lambert Academic Publishing. This book was released on 2010-10 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Present thesis entitled "Studies on Synthesis, Structural, Optical and Magnetic Properties of Mn, Co, and (Mn, Co) Substituted ZnO nanoparticles has been compiled in six chapters. Chapter I, brings out a general and necessary introduction to understand the basic concepts and significance of the topic of research. Chapter II, describes the experimental studies carried upon by the author in the synthesis and analysis of Mn, Co and (Mn, Co): ZnO nanoparticles by means of a single-source oxalate precursor decomposition method. Chapter III, reports on the results based on the synthesis, structural, optical and magnetic properties of Mn: ZnO nanoparticles. The magnetic properties of the samples have been carried out on a Vibrating Sample Magnetometer (VSM). Chapter IV documents the results concerning the synthesis, structural, optical and magnetic properties of Co: ZnO nanoparticles. Room temperature ferromagnetism was confirmed used VSM. Chapter V reports the results pertaining to the synthesis, structural, optical and magnetic properties of (Mn, Co): ZnO nanoparticles. Chapter VI is the summery of the thesis

Photocatalysis

Author : Rakshit Ameta
Publisher : CRC Press
ISBN 13 : 1482254948
Total Pages : 340 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Photocatalysis by : Rakshit Ameta

Download or read book Photocatalysis written by Rakshit Ameta and published by CRC Press. This book was released on 2016-11-25 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photocatalysis, reactions carried out in the presence of a semiconductor and light, is rapidly becoming one of the most active areas of chemical research, with applications in areas such as electrochemistry, medicine, and environmental chemistry, Photocatalysis: Principles and Applications stresses the development of various types of photocatalytic semiconductors, including binary, ternary, quaternary, and composite, and their modifications by metallization, sensitization, and doping to enhance their photocatalytic activities. In addition to describing the principles and mechanisms of photocatalysis, it also discusses other possible applications of photocatalysis such as use as antifouling agents, controlling air pollution by degrading contaminants present in the environment, self-cleaning of glasses and tiles in the presence of light/artificial light, green composites, wastewater treatment, hydrogen generation, and inactivation of microorganisms. The book also describes medical applications and summarizes efforts in the field of photosplitting of water as a newer energy source and photoreduction of carbon dioxide for providing synthetic fuels and also a step towards mimicking photosynthesis. Introduces the basic principle of photocatalysis. Provides an overview of the types of semiconductors, their immobilization, and modifications to make them more active. Gives possible applications of photocatalysis in wastewater treatment and strategy to combat against different kinds of pollutions like water, air, and soil. Summarizes efforts in the field of photosplitting of water as a newer energy source and photoreduction of carbon dioxide for providing synthetic fuels and as a step towards mimicking photosynthesis. Discusses inactivation of different kinds of microorganisms. Covers medical applications. Features Introduces the basic principle of photocatalysis. Provides an overview of the types of semiconductors, their immobilization, and modifications to make them more active. Gives possible applications of photocatalysis in wastewater treatment and strategy to combat against different kinds of pollutions like water, air, and soil. Summarizes efforts in the field of photosplitting of water as a newer energy source and photoreduction of carbon dioxide for providing synthetic fuels and as a step towards mimicking photosynthesis. Discusses inactivation of different kinds of microorganisms. Covers medical applications.

Nanostructured Zinc Oxide

Author : Kamlendra Awasthi
Publisher : Elsevier
ISBN 13 : 0128189010
Total Pages : 781 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Nanostructured Zinc Oxide by : Kamlendra Awasthi

Download or read book Nanostructured Zinc Oxide written by Kamlendra Awasthi and published by Elsevier. This book was released on 2021-08-10 with total page 781 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured Zinc Oxide covers the various routes for the synthesis of different types of nanostructured zinc oxide including; 1D (nanorods, nanowires etc.), 2D and 3D (nanosheets, nanoparticles, nanospheres etc.). This comprehensive overview provides readers with a clear understanding of the various parameters controlling morphologies. The book also reviews key properties of ZnO including optical, electronic, thermal, piezoelectric and surface properties and techniques in order to tailor key properties. There is a large emphasis in the book on ZnO nanostructures and their role in optoelectronics. ZnO is very interesting and widely investigated material for a number of applications. This book presents up-to-date information about the ZnO nanostructures-based applications such as gas sensing, pH sensing, photocatalysis, antibacterial activity, drug delivery, and electrodes for optoelectronics. Reviews methods to synthesize, tailor, and characterize 1D, 2D, and 3D zinc oxide nanostructured materials Discusses key properties of zinc oxide nanostructured materials including optical, electronic, thermal, piezoelectric, and surface properties Addresses most relevant zinc oxide applications in optoelectronics such as light-emitting diodes, solar cells, and sensors

Nanostructured Photocatalysts

Author : Rabah Boukherroub
Publisher : Elsevier
ISBN 13 : 012817837X
Total Pages : 301 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Nanostructured Photocatalysts by : Rabah Boukherroub

Download or read book Nanostructured Photocatalysts written by Rabah Boukherroub and published by Elsevier. This book was released on 2020-06-06 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured Photocatalysts: From Materials to Applications in Solar Fuels and Environmental Remediation addresses the different properties of nanomaterials-based heterogeneous photocatalysis. Heterogeneous nanostructured photocatalysis represents an interesting and viable technique to address issues of climate change and global energy supply. Sustainable hydrogen (H2) fuel production from water via semiconductor photocatalysis, driven by solar energy, is regarded as a viable and sustainable solution to address increasing energy and environmental issues. Similarly, photocatalytic reduction of CO2 with water for the production of hydrocarbons could also be a viable solution. Sections cover band gap tuning, high surface area, the short diffusion path of carriers, and more. Introduces the utilization of nanostructured materials in heterogeneous photocatalysis for hydrogen fuel production via water splitting Explains preparation techniques for different nanomaterials and hybrid nanocomposites, enabling improved sunlight absorption efficiency and enhanced charge separation Assesses the challenges that need to be addressed before this technology can be practically implemented, particularly of identifying cost-effective nanophotocatalysts

Zinc Oxide

Author : Hadis Morkoç
Publisher : John Wiley & Sons
ISBN 13 : 3527623957
Total Pages : 488 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Zinc Oxide by : Hadis Morkoç

Download or read book Zinc Oxide written by Hadis Morkoç and published by John Wiley & Sons. This book was released on 2008-12-03 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first systematic, authoritative and thorough treatment in one comprehensive volume presents the fundamentals and technologies of the topic, elucidating all aspects of ZnO materials and devices. Following an introduction, the authors look at the general properties of ZnO, as well as its growth, optical processes, doping and ZnO-based dilute magnetic semiconductors. Concluding sections treat bandgap engineering, processing and ZnO nanostructures and nanodevices. Of interest to device engineers, physicists, and semiconductor and solid state scientists in general.

Handbook of Advanced Ceramics

Author :
Publisher : Academic Press
ISBN 13 : 0123854709
Total Pages : 1258 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis Handbook of Advanced Ceramics by :

Download or read book Handbook of Advanced Ceramics written by and published by Academic Press. This book was released on 2013-04-11 with total page 1258 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new handbook will be an essential resource for ceramicists. It includes contributions from leading researchers around the world and includes sections on Basic Science of Advanced Ceramics, Functional Ceramics (electro-ceramics and optoelectro-ceramics) and engineering ceramics. Contributions from more than 50 leading researchers from around the world Covers basic science of advanced ceramics, functional ceramics (electro-ceramics and optoelectro-ceramics), and engineering ceramics Approximately 750 illustrations