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Investigation On The Growth And Characterization Of Tin Sulfide 2d Thin Films
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Book Synopsis Investigation on the Growth and Characterization of Tin Sulfide 2D Thin Films by : Shifeng Wang
Download or read book Investigation on the Growth and Characterization of Tin Sulfide 2D Thin Films written by Shifeng Wang and published by . This book was released on 2017 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-dimensional (2D) materials have recently attracted increasing amount of research attention, because of their exotic characteristics of asymmetric connections in the bulk. They involve strong intra-layer covalent bonding and weak interlayer interactions consisting mainly of van der Waals forces. Consequently, there is almost no dangling bond at the interfaces and on the surfaces. In addition, strain is also nearly absent between the layers and at the interfaces between such materials. These features make 2D materials promising for modern electronic and optoelectronic devices with outstanding performances. In this thesis, the van der Waals epitaxial growth of 2D SnS thin films on 2D mica substrates and 2D templates such as a SnSe buffer layer, a Bi2Se3 conducting thin layer, had been investigated. In addition, preliminary devices based on these materials were fabricated to demonstrate their applications. Additionally, efforts on building all-2D van der Waals (vdW) heterostructures have also been made. The van der Waals epitaxial growth of 2D materials was carried out using mica as substrates, which also possesses 2D layered structure exhibiting flexible, transparent, and insulating properties at low price. Molecular Beam Epitaxial (MBE) grown SnS thin films on mica substrates with excellent film quality were achieved, reflected by the narrow full width at half maximum (FWHM) of 0.1° in X-ray diffraction rocking curve. Analysis of this all-2D-layer stacking with the help of interface model was developed, to better understand the van der Waals epitaxial growth mechanism and facilitate further improvement of the film quality. Utilization of SnSe buffer layer significantly modified the growth mechanism by effectively aligning the lateral growth orientations, thereby enhancing the electrical property with lowered defect density within the films. To fundamentally reduce the native point defects caused by the tin deficiency in the films, a simultaneous tin compensation source was adopted. Apart from the great enhancement in the electrical property, the crystal structure also bore a resemblance to that with SnSe buffer layer. The FWHM of Sn-compensated SnS film exhibited a record low value between 0.07° and 0.04°, implying an extremely high film quality. Additionally, an about 67% increase in Hall mobility was accomplished in the film. The Sn-compensated SnS/GaN:Si heterojunction devices were fabricated to demonstrate the positive effect of Sn compensation, as well as the feasibility of SnS as optoelectronic applications. The SnS 2D thin films with high quality and tunable properties hold great potential for optoelectronic devices with better performances.
Book Synopsis Three-dimensional Defect Characterization by : Amanda Youssef
Download or read book Three-dimensional Defect Characterization written by Amanda Youssef and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Porosity is postulated to be one of the reasons for the low efficiency of tin sulfide-based devices. This work is a preliminary investigation of the effects of two film growth parameters deposition rate and substrate temperature - on porosity. We employ the focused ion beam tomography technique to characterize and quantify porosity in tin sulfide thin films. We then generate 3D reconstructions of pores inside milled volumes from the films and quantify pore volumes. To explain the results, we employ nucleation theory and develop two different models: (a) a thermodynamic model that assumes pores form primarily from an effect known as "self-shadowing," whereby growth-rate anisotropy results in some grains that grow faster than their neighbors, and (b) a kinetic model that assumes a diffusion-driven process of void formation. We show that both models qualitatively support the experimental results, providing insight into process-structure relations that may improve film quality during growth.
Book Synopsis Growth and Characterization of TiN/SiNx Multilayer Thin Films by : Hans Söderberg
Download or read book Growth and Characterization of TiN/SiNx Multilayer Thin Films written by Hans Söderberg and published by . This book was released on 2006 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Copper Zinc Tin Sulfide Nanoparticles and Thin Films by : Ankur Khare
Download or read book Synthesis and Characterization of Copper Zinc Tin Sulfide Nanoparticles and Thin Films written by Ankur Khare and published by . This book was released on 2012 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vacuum Growth and Characterization of Thin Films of Zinc Tin Diphosphide by : Hyun Yong Shin
Download or read book Vacuum Growth and Characterization of Thin Films of Zinc Tin Diphosphide written by Hyun Yong Shin and published by . This book was released on 1987 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract.
Book Synopsis Vacuum Growth and Characterization of Thin Films of Zinc Tin Diphosphide by : Hyun Yong Shin
Download or read book Vacuum Growth and Characterization of Thin Films of Zinc Tin Diphosphide written by Hyun Yong Shin and published by . This book was released on 1987 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth and Characterization of Ti-Si-N Thin Films by :
Download or read book Growth and Characterization of Ti-Si-N Thin Films written by and published by . This book was released on 2008 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation and Characterization of Noble Copper Tin Sulfide Thin Films from Aques Solution by : Soon Min Ho
Download or read book Preparation and Characterization of Noble Copper Tin Sulfide Thin Films from Aques Solution written by Soon Min Ho and published by . This book was released on 2010 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth and Characterization of CN[subscript X] Thin Films by : Ming Yung Chen
Download or read book Growth and Characterization of CN[subscript X] Thin Films written by Ming Yung Chen and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Auger Electron Spectroscopy by : Donald T. Hawkins
Download or read book Auger Electron Spectroscopy written by Donald T. Hawkins and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Auger electron spectroscopy is rapidly developing into the single most powerful analytical technique in basic and applied science.for investigating the chemical and structural properties of solids. Its ex plosive growth beginning in 1967 was triggered by the development of Auger analyzers capable of de tecting one atom layer of material in a fraction of a second. Continued growth was guaranteed firstly by the commercial availability of apparatus which combined the capabilities of scanning electron mi croscopy and ion-mill depth profiling with Auger analysis, and secondly by the increasing need to know the atomistics of many processes in fundamental research and engineering applications. The expanding use of Auger analysis was accompanied by an increase in the number of publications dealing with it. Because of the developing nature of Auger spectroscopy, the articles have appeared in many different sources covering diverse disciplines, so that it is extremely difficult to discover just what has or has not been subjected to Auger analysis. In this situation, a comprehensive bibliography is obviou-sly useful to those both inside and outside the field. For those in the field, this bibliography should be a wonderful time saver for locating certain references, in researching a particular topic, or when considering various aspects of instrumentation or data analysis. This bibliography not only provides the most complete listing of references pertinent to surface Auger analysis available today, but it is also a basis for extrapolating from past trends to future expectations.
Book Synopsis Characterization of Tin Oxide Thin Films on Glass by : Nikolas J. Ninos
Download or read book Characterization of Tin Oxide Thin Films on Glass written by Nikolas J. Ninos and published by . This book was released on 1993 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Growth and Characterization of II-IV Semiconductor Thin Films by : Anthony Michael Patterson
Download or read book The Growth and Characterization of II-IV Semiconductor Thin Films written by Anthony Michael Patterson and published by . This book was released on 1984 with total page 1681 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Growth and Characterization of II-VI Semiconductor Thin Films by : A. M. Patterson
Download or read book The Growth and Characterization of II-VI Semiconductor Thin Films written by A. M. Patterson and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Bell Telephone Laboratories, inc. Technical Information Libraries Publisher : ISBN 13 : Total Pages :508 pages Book Rating :4.:/5 (31 download)
Book Synopsis BTL Talks and Papers by : Bell Telephone Laboratories, inc. Technical Information Libraries
Download or read book BTL Talks and Papers written by Bell Telephone Laboratories, inc. Technical Information Libraries and published by . This book was released on 1980 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thin Film Solar Cells by : Jef Poortmans
Download or read book Thin Film Solar Cells written by Jef Poortmans and published by John Wiley & Sons. This book was released on 2006-10-16 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin-film solar cells are either emerging or about to emerge from the research laboratory to become commercially available devices finding practical various applications. Currently no textbook outlining the basic theoretical background, methods of fabrication and applications currently exist. Thus, this book aims to present for the first time an in-depth overview of this topic covering a broad range of thin-film solar cell technologies including both organic and inorganic materials, presented in a systematic fashion, by the scientific leaders in the respective domains. It covers a broad range of related topics, from physical principles to design, fabrication, characterization, and applications of novel photovoltaic devices.
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