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Nanotechnology and Photovoltaic Devices
Silicon is an abundant element and is produced in large quantities for the electronic industry. The falling price of this commodity also feeds the growth of solar photovoltaics (PV). However, solar cells (SCs) based on bulk semiconductors have quite limited maximum attainable performance. Therefore, new principles and materials are being investigat
Sensors
This book gathers the best papers presented at the Fourth Italian National Conference on Sensors, held in Catania, Italy, from 21 to 23 February 2018. The book represents an invaluable and up-to-the-minute tool, providing an essential overview of recent findings, strategies and new directions in the area of sensor research. Further, it addresses various aspects based on the development of new chemical, physical or biological sensors, assembling and characterization, signal treatment and data handling. Lastly, the book applies electrochemical, optical and other detection strategies to relevant issues in the food and clinical environmental areas, as well as industry-oriented applications.
Silicon, Germanium, and Their Alloys
Despite the vast knowledge accumulated on silicon, germanium, and their alloys, these materials still demand research, eminently in view of the improvement of knowledge on silicon–germanium alloys and the potentialities of silicon as a substrate for high-efficiency solar cells and for compound semiconductors and the ongoing development of nanodevices based on nanowires and nanodots. Silicon, Germanium, and Their Alloys: Growth, Defects, Impurities, and Nanocrystals covers the entire spectrum of R&D activities in silicon, germanium, and their alloys, presenting the latest achievements in the field of crystal growth, point defects, extended defects, and impurities of silicon and germanium nanocrystals. World-recognized experts are the authors of the book’s chapters, which span bulk, thin film, and nanostructured materials growth and characterization problems, theoretical modeling, crystal defects, diffusion, and issues of key applicative value, including chemical etching as a defect delineation technique, the spectroscopic analysis of impurities, and the use of devices as tools for the measurement of materials quality.
Nanotechnology and Photovoltaic Devices
Silicon is an abundant element and is produced in large quantities for the electronic industry. The falling price of this commodity also feeds the growth of solar photovoltaics (PV). However, solar cells (SCs) based on bulk semiconductors have quite limited maximum attainable performance. Therefore, new principles and materials are being investigated to build the third generation of SCs with improved conversion efficiency achieved by the optimized harvesting of the solar spectrum, improved carrier generation, better light management, etc. The unique properties of semiconductor nanostructures (tuning of optoelectronic properties by the quantum confinement effect, stronger interaction with lig...
Un trono oscuro
Segundo libro de la saga Tres coronas oscuras La batalla por la corona ha comenzado, pero ¿cuál de las tres hermanas prevalecerá? Tras los inolvidables sucesos del Avivamiento y en pleno Año de la Ascensión, la suerte está echada. Katharine, considerada la más débil de las hermanas, parece más fuerte que nunca. Arsinoe, después de descubrir la verdad sobre sus poderes secretos, necesita aprender cómo aprovecharlos sin que nadie se dé cuenta. Y Mirabella, la hermana elemental que ya todos creían la próxima Reina Coronada, recibe ataques que ponen en riesgo a quienes la rodean, sin que pueda hacer nada por evitarlos. En esta cautivadora secuela de la saga Tres Coronas Oscuras las reinas más mortíferas de Fennbirn deben enfrentarse a la única cosa que se interpone en el camino de la corona: la una a la otra.
Tres coronas oscuras
En cada generación de la isla de Fennbirn nacen trillizas... ...y las tres son reinas, herederas en partes iguales de la corona, cada una poseedora de una magia codiciada. Mirabella es una elemental feroz, capaz de encender llamaradas voraces o tormentas brutales con un chasquido de dedos. Katharine es una envenenadora, alguien que puede ingerir los venenos más mortales sin nada más que un dolor de panza. De Arsinoe, una naturalista, se dice que tiene la habilidad de hacer florecer la rosa más roja y controlar al más salvaje de los animales. Pero convertirse en Reina coronada no es únicamente una cuestión de nacimiento real. Cada hermana tiene que pelear por ello. Y no es solamente un juego en el que se gana o pierde... es vida o muerte. La misma noche en que las hermanas cumplen dieciséis años comienza la batalla. La última reina en pie se queda con la corona.
Grimalte y Gradisa
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Annual Directory
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The Subversive Tradition in Spanish Renaissance Writing
"The seven texts in this cross-section of fiction and nonfiction reveal a nation at the brink of modernity, embracing revolutionary ideas and reeling in their explosive impact. The opening chapters establish the theoretical framework for Perez-Romero's analysis, describing the intellectual and social environments of medieval Spain and tracing the developments in Spanish historical and literary scholarship that point to the existence of a new path of investigation."--Jacket.
