RF- Sputtered Cadmium Oxide Thin Films for Gas Sensing Application PDF Download
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Author: Anil Kumar Gadipelly
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659539350
Category :
Languages : en
Pages : 176
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Book Description
In this book we have discussed the preparation and characterization of CdO thin films using RF reactive magnetron sputtering technique. The deposition parameters such as oxygen partial pressure, substrate temperature and film thickness are optimized for producing good quality films. Systematic characterization of as deposited and annealed films has been discussed from the crystal structure, surface morphology, film composition, optical and electrical properties. The films prepared under optimized conditions are tested for gas sensing characteristics towards ammonia gas.
Author: Anil Kumar Gadipelly
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659539350
Category :
Languages : en
Pages : 176
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Book Description
In this book we have discussed the preparation and characterization of CdO thin films using RF reactive magnetron sputtering technique. The deposition parameters such as oxygen partial pressure, substrate temperature and film thickness are optimized for producing good quality films. Systematic characterization of as deposited and annealed films has been discussed from the crystal structure, surface morphology, film composition, optical and electrical properties. The films prepared under optimized conditions are tested for gas sensing characteristics towards ammonia gas.
Author: 李家緯
Publisher:
ISBN:
Category :
Languages : en
Pages : 77
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Book Description
Author: Elmer L. Wittman (III.)
Publisher:
ISBN:
Category : Acoustic surface waves
Languages : en
Pages : 178
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Book Description
Author: Mariana Stankova
Publisher:
ISBN:
Category :
Languages : en
Pages : 199
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
The authors are examining various spinel-structured thin films (e.g., Cd2SnO4, Zn2SnO4) to develop higher-quality transparent conducting oxides (TCO) than more conventional materials such as indium tin oxide. Here, the authors report on cadmium indate (CdIn2O4, CIO), which is another member of this family. Thin films of CIO were deposited by radio-frequency (RF) magnetron sputtering, from an oxide target, onto borosilicate glass substrates. The variables included the substrate temperature, sputtering gas composition, and pressure. Film properties were measured before and after heat treatment. Characterization involved Hall effect measurements, optical and infrared spectrophotometry, X-ray diffraction, and atomic-force microscopy. Film resistivities as low as 2.3 × 10−4 [Omega] cm were achieved for a film thickness of 0.55 [mu]m. The transmittance was 90% in the visible region of the spectrum, without correction for substrate losses and without an anti-reflection coating. The plasma resonance occurred at longer wavelengths than for other materials and this, with a bandgap of approximately 3.1 eV, presents a wide window for optical transmittance. The highest mobility was 54 cm2 V−1 s−1 and the highest carrier concentration was 7.5 × 102° cm−3.
Author: Yonghui Deng
Publisher: Springer Nature
ISBN: 9819926211
Category : Science
Languages : en
Pages : 402
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Book Description
The second edition of this book focuses on the synthesis, design, and application of semiconducting metal oxides as gas sensing materials, including the gas sensing mechanism, and modification methods for sensing materials, while also providing a comprehensive introduction to semiconductor gas sensing devices. As an essential part of IoT (Internet of things), gas sensors have shown great significance and promising prospects. Therefore, studies on functional mesoporous metal oxides, one of the most important gas sensing materials based on their unique Knudsen diffusion behavior and tailored pore structure, have increasingly attracted attention from various disciplines. The book offers a valuable reference guide to metal oxide gas sensing materials for undergraduate and graduate students alike. It will also benefit all researchers who are involved in synthesis and gas sensing of metal oxides nanomaterials with relevant frontier theories and concepts. Engineers working on research and development of semiconductor gas sensors will also find some new ideas for sensor design.
Author: Vineet Kumar
Publisher: CRC Press
ISBN: 1000367207
Category : Technology & Engineering
Languages : en
Pages : 603
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Book Description
Nanomaterials contain some unique properties due to their nanometric size and surface functionalization. Nanomaterial functionalization also affects their compatibility to biocompatibility and toxicity behaviors. environment and living organism. This makes functionalized nanomaterials a material with huge scope and few challenges. This book provides detailed information about the nanomaterial functionalization and their application. Recent advancements, challenges and opportunities in the preparation and applications of functionalized nanomaterials are also highlighted. This book can serve as a reference book for scientific investigators, doctoral and post-doctoral scholars; undergrad and grad. This book is very useful for multidisciplinary researchers, industry personnel’s, journalists, and policy makers. Features: Covers all aspects of Nanomaterial functionalization and its applications Describes and methods of functionalized nanomaterials synthesis for different applications Discusses the challenges, recent findings, and cutting-edge global research trends on functionalization of nanomaterials and its applications It discusses the regulatory frameworks for the safe use of functionalized nanomaterials. It contains contributions from international experts from multiple disciplines.
Author: Hari Singh Nalwa
Publisher: Elsevier
ISBN: 0080533248
Category : Technology & Engineering
Languages : en
Pages : 3436
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Book Description
This five-volume handbook focuses on processing techniques, characterization methods, and physical properties of thin films (thin layers of insulating, conducting, or semiconductor material). The editor has composed five separate, thematic volumes on thin films of metals, semimetals, glasses, ceramics, alloys, organics, diamonds, graphites, porous materials, noncrystalline solids, supramolecules, polymers, copolymers, biopolymers, composites, blends, activated carbons, intermetallics, chalcogenides, dyes, pigments, nanostructured materials, biomaterials, inorganic/polymer composites, organoceramics, metallocenes, disordered systems, liquid crystals, quasicrystals, and layered structures.Thin films is a field of the utmost importance in today's materials science, electrical engineering and applied solid state physics; with both research and industrial applications in microelectronics, computer manufacturing, and physical devices.Advanced, high-performance computers, high-definition TV, digital camcorders, sensitive broadband imaging systems, flat-panel displays, robotic systems, and medical electronics and diagnostics are but a few examples of miniaturized device technologies that depend the utilization of thin film materials. The Handbook of Thin Films Materials is a comprehensive reference focusing on processing techniques, characterization methods, and physical properties of these thin film materials.
Author: Lockheed Palo Alto Research Laboratory
Publisher:
ISBN:
Category :
Languages : en
Pages : 44
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Book Description
Author: Fernando Gomes
Publisher: Elsevier
ISBN: 0128235551
Category : Technology & Engineering
Languages : en
Pages : 474
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Book Description
Nanofabrication for Smart Nanosensor Applications addresses the design, manufacture and applications of a variety of nanomaterials for sensing applications. In particular, the book explores how nanofabrication techniques are used to create more efficient nanosensors, examines their major applications in biomedicine and environmental science, discusses the fundamentals of how nanosensors work, explores different nanofabrication techniques, and comments on toxicity and safety issues relating to the creation of nanosensors using certain nanomaterial classes. This book is an important resource for materials scientists and engineers who want to make materials selection decisions for the creation of new nansensor devices. - Summarizes current research and applications of a variety of nanofabrication techniques for the creation of efficient sensing devices - Provides readers with an understanding of surfaces and interfaces, a key challenge for those working on hybrid nanomaterials, carbon nanotubes, graphene, polymers and liquid crystal electro-optical imaging - Discusses the variability and sight recognition of biopolymers, such as DNA molecules, which offer a wide range of opportunities for the self-organization of nanostructures into much more complex patterns
