Semiconductor Nanostructures for Optoelectronic Applications pptx

[...]... impressive progress has been made in the area of semiconductor technology This book reviews recent progress in semiconductor nanostructure growth and materials development and also reviews progress in semiconductor devices using nanostructures, with a particular emphasis on 3D nanostructures that have emerged during the last 10 years 1.2 Growth Semiconductor nanostructures have been enabled by the advancements... self-organized QDs, their effect on high-frequency performance of QD lasers, and the novel injection technique whereby electrons are injected into the QD ground state by tunneling The enhanced performance of these tunnel injection QD lasers is also described and discussed 1.4 Materials for Semiconductor Nanostructures Progress in semiconductor nanostructures is advancing to a wide variety of material... quantum dots are discussed in detail In Chapter 9 we review the progress of nanostructures in the silicon/germanium material system, which has the potential for bringing optoelectronics and photonics to silicon Specifically, we review issues of Ge island formation on Si We show uniform Ge island formation on planar Si and ordered island formation on prepatterned mesa structures We discuss the effect of growth... temperature, deposition rate, deposition coverage, and substrate patterning on the formation of the islands We discuss the potential applications of Ge islands in the fields of optoelectronics, thermoelectricity, electronics, and quantum information In Chapter 10, we present a review of carbon nanotubes, especially for optoelectronics applications The field of carbon nanotubes has advanced quickly and widely... 1970s, one of the richest areas of application of semiconductor nanostructures has been in the area of optoelectronic devices, with the two most important areas being semiconductor lasers and detectors Early efforts focused on band-to-band transitions and have progressed more recently to intersubband devices In addition, the early devices utilized 2D nanostructures, either superlattices or quantum wells... these material systems has demonstrated 2D and 3D nanostructures and has had varying degrees of success in the fabrication of optoelectronic devices In Chapter 6 we review progress in zinc oxide-based nanostructures, including the Zno/ZnMgO system Zinc oxide is emerging as an important material for 1.5 Summary 3 ultraviolet and visible optoelectronic applications, due to the ease with which light emission... of new forms of nanotubes, as well as some interesting and relatively new and unconventional directions of potential applications 1.5 Summary As we enter the twenty-first century, semiconductor nanostructures are revolutionizing many areas of electronics, optoelectronics, and photonics We present in this volume some of the more interesting results that are leading the revolution in the area of optoelectronics... consisted of growing semiconductor crystals in bulk form using one of the bulk crystal growth techniques: Czochralski, Bridgman, or float zone These methods are appropriate for the synthesis of largevolume semiconductor crystals under thermodynamic equilibrium conditions, but offer nearly no flexibility in terms of alloy composition or the heterostructures needed for advanced semiconductor devices... techniques for manufacturing high-purity, near perfect, single-crystal wafers to be used as substrates for epitaxial growth Epitaxial growth techniques have been specifically developed to enable the growth of high-quality semiconductor alloys under controlled conditions Using these techniques, single-crystal semiconductor thin films are synthesized on a substrate As the need for even more complex semiconductor. .. demonstrated unsurpassed capabilities in the epitaxial growth of numerous semiconductor structures, in terms of material quality, process control, and reliability Other thin-film deposition techniques exist that are primarily used for the deposition of dielectric films, but can also be used for the deposition of semiconductors in a polycrystalline form These techniques include plasma-enhanced chemical vapor deposition, . Semiconductor Nanostructures for Optoelectronic Applications For a listing of recent titles in the Artech House Semiconductor Materials and Devices Library, turn to the back of this book. Semiconductor. Publication Data Semiconductor nanostructures for optoelectronic applications —(Artech House semiconductor materials and devices library) 1. Semiconductors 2. Nanostructured materials 3. Optoelectronic. 1 Introduction 1 1.1 Synopsis 1 1.2 Growth 1 1.3 Optoelectronic Devices Based on Semiconductor Nanostructures 2 1.4 Materials for Semiconductor Nanostructures 2 1.5 Summary 3 CHAPTER 2 Review