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Fabrication Of Porous Gallium Nitride By Photoelectrochemical Etching Method Penerbit Usm
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Book Synopsis Fabrication of Porous Gallium Nitride by Photoelectrochemical Etching Method (Penerbit USM) by : Cheah Sook Fong
Download or read book Fabrication of Porous Gallium Nitride by Photoelectrochemical Etching Method (Penerbit USM) written by Cheah Sook Fong and published by Penerbit USM. This book was released on 2017 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photoelectrochemical (PEC) etching is a simple and inexpensive wet etching approach that is widely used to fabricate porous gallium nitride (GaN) thin films. However, many fundamental issues on the etching mechanism and the optical response of the fabricated porous structure still remain unclear. In this book, PEC etched porous GaN thin films with a variety of morphologies such as circular, hexagonal, leaf like-, and honeycomb-like patterns were described in detail. The effects of semiconductor types, etching voltage and etching duration on the surface morphology and the optical response of the fabricated porous structure were discussed. Attenuated total reflection method which is very sensitive to the surface layer of the porous GaN was applied to extract the carrier concentration, porosity, and layer thicknesses or the porous layer. Through this book, a better understanding of the PEC etching of the porous GaN can be obtained.
Book Synopsis Morphological and Optical Properties of Porous Gallium Nitride (GaN) Fabricated by Photoelectrochemical Process by : Sook Fong Cheah
Download or read book Morphological and Optical Properties of Porous Gallium Nitride (GaN) Fabricated by Photoelectrochemical Process written by Sook Fong Cheah and published by . This book was released on 2015 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fabrication and Characterization of Gallium Nitride Based Heterojunctions Etched by Photoelectrochemical Wet Etching by : Jie Gao
Download or read book Fabrication and Characterization of Gallium Nitride Based Heterojunctions Etched by Photoelectrochemical Wet Etching written by Jie Gao and published by . This book was released on 2006 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photoelectrochemical Etching of GaN for High Quality Optical Devices by : Adele C. Tamboli
Download or read book Photoelectrochemical Etching of GaN for High Quality Optical Devices written by Adele C. Tamboli and published by . This book was released on 2009 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gallium nitride has become an important semiconductor material for a variety of device applications, including light emitting diodes (LEDs), lasers, and transistors. One of the main challenges in GaN device fabrication is the chemical stability of GaN which leads to a lack of wet etching techniques. Instead, dry etching is used almost exclusively, leading to ion damage and poor selectivity between different layers. In this dissertation, we discuss photoelectrochemical (PEC) etching, a photoassisted wet etch technique that can be used to etch GaN and its alloys. We develop new aspects of this technique to extend its applicability to a larger variety of devices and use the technique to fabricate a few optical devices, including microdisk lasers.
Book Synopsis Elementary Estimating For Building Works (Penerbit USM) by : Mastura Jaafar
Download or read book Elementary Estimating For Building Works (Penerbit USM) written by Mastura Jaafar and published by Penerbit USM. This book was released on with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurately forecasting the building works is vital to the survival of any business or organization. Building consists of many elements that need to be properly priced. Building estimation is useful for owner and consultant to determine the project scope; while for contractor it is normally used for bidding or tendering process. This book provides a simple guideline in doing elementary estimation of building works. It consists of 12 chapters giving example calculations of various building elements covering from excavation and earthwork until rainwater disposal system. Besides students in the construction environment, this book is also relevant for practitioners in the construction related industries such as building contractors, subcontractors, consultants or clients and also individual who are looking for knowledge related to building costing. Globalization era in higher education system and a great demand on construction related programmes in Malaysia has contributed to the publication of this book. Thus, this book is purposely written in English for the benefit of local and international students. Universiti Sains Malaysia, Penerbit Universiti Sains Malaysia
Book Synopsis Communicating Sustainability by : United Nations Environment Programme
Download or read book Communicating Sustainability written by United Nations Environment Programme and published by UNEP/Earthprint. This book was released on 2005 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This guide shows how the power of communication can be harnessed for achieving the goal of promoting more sustainable lifestyles. It is designed to be read by local and national government authorities, and everyone else who wants to develop and implement public awareness campaigns on these issues."--Publisher website.
Book Synopsis Education and Gender Equality by : Julia Wrigley
Download or read book Education and Gender Equality written by Julia Wrigley and published by Routledge. This book was released on 2003-12-16 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: First Published in 1992. This book grew out of a special issue of the journal Sociology of Education. There is no simple relation between education and gender equality. As with social class relations, schools both reinforce subordination and create new possibilities for liberation, and these contradictions occur at every level and in every aspect of education. Schools are sites of pervasive gender socialization, but they offer girls a chance to use their brains and develop their skills. To explore education and gender is to examine the bridge between the public world of occupations and the private world of families. Schools link the families from which young children come and the sex- and race-segregated occupational worlds to which they are sent. Because schools link public and private worlds, help to form consciousness, and structure inequalities, there are many ways to look at gender and education. In this book, the chapters break into four major topic areas. The first section analyzes gender and education from a comparative and historical perspective, the second section on ‘Diversity, Social Control, and Resistance in Classrooms’, third section, on ‘Gender and Knowledge’ and the final section on ‘families and school’.
Book Synopsis Molecular Docking and Molecular Dynamics by : Amalia Stefaniu
Download or read book Molecular Docking and Molecular Dynamics written by Amalia Stefaniu and published by BoD – Books on Demand. This book was released on 2019-12-18 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book clearly explains the principles of in silico tools of molecular docking and molecular dynamics. It provides examples of algorithms and procedures proposed by different software programs for visualizing and identifying potential interactions in complexes of biochemical interest. The book is structured in six chapters, each of which discusses different molecular simulation methodologies and provides concrete examples of complexes interactions. In each chapter authors give an overview of the treated subject, a description of the methodologies used, and a discussion of the results. The authors describe computational ways to achieve a rational design of bioactive compounds with various therapeutic applications, including antitumoral agents, antitubercular drugs, nonsteroidal anti-inflammatory drugs, and radiopharmaceuticals.
Download or read book The Koran written by and published by . This book was released on 1961 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Energy Efficient Building Design by : Ana-Maria Dabija
Download or read book Energy Efficient Building Design written by Ana-Maria Dabija and published by Springer Nature. This book was released on 2020-04-11 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the result of recent research that deals with the built environment and innovative materials, carried out by specialists working in universities and centers of research in different professional fields ─ architecture, engineering, physics ─ and in an area that that spans from the Mediterranean Sea to the Persian Gulf, and from South Eastern Europe to the Middle East. This book takes the necessity of re-shaping the concept of building design in order to transform buildings from large scale energy consumers to energy savers and producers into consideration. The book is organized in two parts: theory and case studies. For the theoretical part, we chose from the wide range of sources that provide energy efficient materials and systems the two that seem to be endless: the sun and vegetation. Their use in building products represents a tool for specialists in the architectural design concept. The case-studies presented analyze different architectural programs, in different climates, from new buildings to rehabilitation approaches and from residential architecture to hospitals and sports arenas; each case emphasizes the interdisciplinarity of the building design activity in order to help readers gain a better understanding of the complex approach needed for energy efficient building design
Book Synopsis International Conference on Functional Materials and Metallurgy (ICoFM 2014) by : Nur Farhana Diyana Mohd Yunos
Download or read book International Conference on Functional Materials and Metallurgy (ICoFM 2014) written by Nur Farhana Diyana Mohd Yunos and published by Trans Tech Publications Ltd. This book was released on 2015-06-10 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collection of selected, peer reviewed papers from the International Conference on Functional Materials and Metallurgy (ICoFM 2014), September 17-18, 2014, Pulau Pinang, Malaysia. The 79 papers are grouped as follows: Chapter 1: Metallurgy; Chapter 2: Steels and Alloys; Chapter 3: Surface and Coating; Chapter 4: Ceramics; Chapter 5: Materials for Electronic and Electrical Industry; Chapter 6: Polymers and Composites; Chapter 7: Materials for Biomedical Application; Chapter 8: Materials in Environmental Engineering and Construction; Chapter 9: Materials and Technologies of Processing in Mechanical Engineering
Book Synopsis Preventing Violence Against Women and Children by : Institute of Medicine
Download or read book Preventing Violence Against Women and Children written by Institute of Medicine and published by National Academies Press. This book was released on 2011-09-12 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Violence against women and children is a serious public health concern, with costs at multiple levels of society. Although violence is a threat to everyone, women and children are particularly susceptible to victimization because they often have fewer rights or lack appropriate means of protection. In some societies certain types of violence are deemed socially or legally acceptable, thereby contributing further to the risk to women and children. In the past decade research has documented the growing magnitude of such violence, but gaps in the data still remain. Victims of violence of any type fear stigmatization or societal condemnation and thus often hesitate to report crimes. The issue is compounded by the fact that for women and children the perpetrators are often people they know and because some countries lack laws or regulations protecting victims. Some of the data that have been collected suggest that rates of violence against women range from 15 to 71 percent in some countries and that rates of violence against children top 80 percent. These data demonstrate that violence poses a high burden on global health and that violence against women and children is common and universal. Preventing Violence Against Women and Children focuses on these elements of the cycle as they relate to interrupting this transmission of violence. Intervention strategies include preventing violence before it starts as well as preventing recurrence, preventing adverse effects (such as trauma or the consequences of trauma), and preventing the spread of violence to the next generation or social level. Successful strategies consider the context of the violence, such as family, school, community, national, or regional settings, in order to determine the best programs.
Book Synopsis Multilayer Thin Films by : Sukumar Basu
Download or read book Multilayer Thin Films written by Sukumar Basu and published by BoD – Books on Demand. This book was released on 2020-01-15 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, "Multilayer Thin Films-Versatile Applications for Materials Engineering", includes thirteen chapters related to the preparations, characterizations, and applications in the modern research of materials engineering. The evaluation of nanomaterials in the form of different shapes, sizes, and volumes needed for utilization in different kinds of gadgets and devices. Since the recently developed two-dimensional carbon materials are proving to be immensely important for new configurations in the miniature scale in the modern technology, it is imperative to innovate various atomic and molecular arrangements for the modifications of structural properties. Of late, graphene and graphene-related derivatives have been proven as the most versatile two-dimensional nanomaterials with superb mechanical, electrical, electronic, optical, and magnetic properties. To understand the in-depth technology, an effort has been made to explain the basics of nano dimensional materials. The importance of nano particles in various aspects of nano technology is clearly indicated. There is more than one chapter describing the use of nanomaterials as sensors. In this volume, an effort has been made to clarify the use of such materials from non-conductor to highly conducting species. It is expected that this book will be useful to the postgraduate and research students as this is a multidisciplinary subject.
Book Synopsis Vascular Tissue Engineering by : Feng Zhao
Download or read book Vascular Tissue Engineering written by Feng Zhao and published by Humana. This book was released on 2021-10-01 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume explores the latest techniques used to study the field of tissue engineered vascular grafts (TEVGs). The chapters in this book cover a wide array of topics such as deriving vascular cells from monocytes and induced pluripotent stem cells; engineering vascular grafts using various biomaterials and stem cells, stem cell-derived, or primary vascular cells; biomaterial modification by anticoagulation molecules; vascular bioengineering technologies such as 3D bioprinting; and fabrication of TEVGs with different geometry and multiphase structures. This book also features protocols for grafting and evaluation of vascular grafts in animal models, vascular imaging in animals, and the quantification of blood vessel permeability. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and practical, Vascular Tissue Engineering: Methods and Protocols is a valuable resource for biomedical engineers, cell biologists, vascular surgeons, doctors, and nurses.
