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Author: Muhammad Monzur Morshed Publisher: ISBN: 9781321551297 Category : Optoelectronic devices Languages : en Pages : 118
Book Description
Mgx Zn1-x O thin film was developed to realize optoelectronic devices in the ultraviolet region. The alloy was grown without any phase separation and characterized with different methods, such as, photoluminescence, absorption, x-ray diffraction etc. to confirm the structural properties. P-type doping of Mg x Zn1-x O thin film was investigated. Antimony (Sb) and nitrogen (N) were used as the p-type dopant. It was found that incorporation of Sb degrades the optical quality of the film. On the other hand, N-doped p-type Mgx Zn1-x O thin film was demonstrated without any degradation of the optical quality. Temperature dependent photoluminescence of nitrogen doped p-type Mgx Zn1-x O nano crystalline thin films grown on c -plane sapphire substrate by rf plasma assisted molecular beam epitaxy were examined. P-type behavior was confirmed by both Hall effect and Seebeck measurements. However, structural defect related bound excitonic emission peak was distinguished in the low temperature photoluminescence spectra. Also, typical 'S shape' behavior of energy position versus temperature is observed due to polarization induced internal field. Nitrogen related acceptor ionization energy was calculated to be ~180-200meV.
Author: Muhammad Monzur Morshed Publisher: ISBN: 9781321551297 Category : Optoelectronic devices Languages : en Pages : 118
Book Description
Mgx Zn1-x O thin film was developed to realize optoelectronic devices in the ultraviolet region. The alloy was grown without any phase separation and characterized with different methods, such as, photoluminescence, absorption, x-ray diffraction etc. to confirm the structural properties. P-type doping of Mg x Zn1-x O thin film was investigated. Antimony (Sb) and nitrogen (N) were used as the p-type dopant. It was found that incorporation of Sb degrades the optical quality of the film. On the other hand, N-doped p-type Mgx Zn1-x O thin film was demonstrated without any degradation of the optical quality. Temperature dependent photoluminescence of nitrogen doped p-type Mgx Zn1-x O nano crystalline thin films grown on c -plane sapphire substrate by rf plasma assisted molecular beam epitaxy were examined. P-type behavior was confirmed by both Hall effect and Seebeck measurements. However, structural defect related bound excitonic emission peak was distinguished in the low temperature photoluminescence spectra. Also, typical 'S shape' behavior of energy position versus temperature is observed due to polarization induced internal field. Nitrogen related acceptor ionization energy was calculated to be ~180-200meV.
Author: Satishchandra B. Ogale Publisher: Springer Science & Business Media ISBN: 0387260897 Category : Technology & Engineering Languages : en Pages : 416
Book Description
Oxides form a broad subject area of research and technology development which encompasses different disciplines such as materials science, solid state chemistry, physics etc. The aim of this book is to demonstrate the interplay of these fields and to provide an introduction to the techniques and methodologies involving film growth, characterization and device processing. The literature in this field is thus fairly scattered in different research journals covering one or the other aspect of the specific activity. This situation calls for a book that will consolidate this information and thus enable a beginner as well as an expert to get an overall perspective of the field, its foundations, and its projected progress.
Author: Srinivasa Kartik Nemani Publisher: ISBN: Category : Optoelectronic devices Languages : en Pages : 105
Book Description
Incorporating thin films in electronic and photonic devices has increased their processability, functionality, and durability, while effectively reducing their space requirements and manufacturing costs. This thesis establishes the functionality and incorporation of thin-film organic conductive electrodes made of polymers and carbon-based materials for developing optoelectronic devices for commercial applications. It also proposes a low-cost and facile screening method for evaluating barrier performance of encapsulating materials in electronic and photonic devices. In this thesis, flexible devices are fabricated and their optical, thermal, and barrier performances are evaluated at extreme strain to study their performance under cyclic flexing and bending conditions. The wettability of the devices is improved by harnessing the mechanical instability of the thin-film electrodes incorporated in the devices. Optimal electrothermal and electrochromic responses of the developed devices reiterate the scope and potential for scale-up towards organic thin-films for industrial and commercial applications.
Author: O. Auciello Publisher: Springer Science & Business Media ISBN: 9401117276 Category : Technology & Engineering Languages : en Pages : 625
Book Description
The synthesis of multicomponent/multilayered superconducting, conducting, semiconducting and insulating thin films has become the subject of an intensive, worldwide, interdisciplinary research effort. The development of deposition-characterization techniques and the science and technology related to the synthesis of these films are critical for the successful evolution of this interdisciplinary field of research and the implementation of the new materials in a whole new generation of advanced microdevices. This book contains the lectures and contributed papers on various scientific and technological aspects of multicomponent and multilayered thin films presented at a NATO/ASI. Compared to other recent books on thin films, the distinctive character of this book is the interdisciplinary treatment of the various fields of research related to the different thin film materials mentioned above. The wide range of topics discussed in this book include vacuum-deposition techniques, synthesis-processing, characterization, and devices of multicomponent/multilayered oxide high temperature superconducting, ferroelectric, electro-optic, optical, metallic, silicide, and compound semiconductor thin films. The book presents an unusual intedisciplinary exchange of ideas between researchers with cross-disciplinary backgrounds and it will be useful to established investigators as well as postdoctoral and graduate students.
Author: Saurabh Nagar Publisher: Springer ISBN: 9811008094 Category : Technology & Engineering Languages : en Pages : 101
Book Description
This monograph describes the different implantation mechanisms which can be used to achieve strong, reliable and stable p-type ZnO thin films. The results will prove useful in the field of optoelectronics in the UV region. This book will prove useful to research scholars and professionals working on doping and implantation of ZnO thin films and subsequently fabricating optoelectronic devices. The first chapter of the monograph emphasises the importance of ZnO in the field of optoelectronics for ultraviolet (UV) region and also discusses the material, electronic and optical properties of ZnO. The book then goes on to discuss the optimization of pulsed laser deposited (PLD) ZnO thin films in order to make successful p-type films. This can enable achievement of high optical output required for high-efficiency devices. The book also discusses a hydrogen implantation study on the optimized films to confirm whether the implantation leads to improvement in the optimized results.
Author: Oleg Sergiyenko Publisher: BoD – Books on Demand ISBN: 9533072040 Category : Technology & Engineering Languages : en Pages : 678
Book Description
Optoelectronic devices impact many areas of society, from simple household appliances and multimedia systems to communications, computing, spatial scanning, optical monitoring, 3D measurements and medical instruments. This is the most complete book about optoelectromechanic systems and semiconductor optoelectronic devices; it provides an accessible, well-organized overview of optoelectronic devices and properties that emphasizes basic principles.
Author: Zhe Chuan Feng Publisher: CRC Press ISBN: 1000687147 Category : Science Languages : en Pages : 449
Book Description
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
Author: Tammy Ben-Yaacov Publisher: ISBN: 9781124365916 Category : Languages : en Pages : 236
Book Description
In summary, this thesis describes the growth of ZnO(0001) films by MOCVD, the progress in developing ZnO material with excellent surface morphology, high crystal quality, and controllable n-type doping, as well as its application to GaN-based optoelectronic devices as a p-contact material.
Author: Satishchandra B. Ogale Publisher: Springer ISBN: 9780387507057 Category : Technology & Engineering Languages : en Pages : 0
Book Description
Oxides form a broad subject area of research and technology development which encompasses different disciplines such as materials science, solid state chemistry, physics etc. The aim of this book is to demonstrate the interplay of these fields and to provide an introduction to the techniques and methodologies involving film growth, characterization and device processing. The literature in this field is thus fairly scattered in different research journals covering one or the other aspect of the specific activity. This situation calls for a book that will consolidate this information and thus enable a beginner as well as an expert to get an overall perspective of the field, its foundations, and its projected progress.
Author: Muhammad Monzur Morshed
Author: Muhammad Monzur Morshed
Author: Rong Ji
Author: Satishchandra B. Ogale
Author: Srinivasa Kartik Nemani
Author: O. Auciello
Author: Saurabh Nagar
Author: Oleg Sergiyenko
Author: Zhe Chuan Feng
Author: Tammy Ben-Yaacov
Author: Satishchandra B. Ogale