[PDF] Einsteins Photoemission eBook

Author : Kamakhya Prasad Ghatak
Publisher : Springer
Page : 523 pages
File Size : 29,90 MB
Release : 2014-11-19
Category : Science
ISBN : 3319111884

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This monograph solely investigates the Einstein's Photoemission(EP) from Heavily Doped(HD) Quantized Structures on the basis of newly formulated electron dispersion laws. The materials considered are quantized structures of HD non-linear optical, III-V, II-VI, Ge, Te, Platinum Antimonide, stressed materials, GaP, Gallium Antimonide, II-V, Bismuth Telluride together with various types of HD superlattices and their Quantized counterparts respectively. The EP in HD opto-electronic materials and their nanostructures is studied in the presence of strong light waves and intense electric fields that control the studies of such quantum effect devices. The suggestions for the experimental determinations of different important physical quantities in HD 2D and 3D materials and the importance of measurement of band gap in HD optoelectronic materials under intense built-in electric field in nano devices and strong external photo excitation (for measuring physical properties in the presence of intense light waves which alter the electron energy spectra) have also been discussed in this context. The influence quantizing magnetic field, on the EP of the different HD quantized structures (quantum wells, quantum well HD superlattices and nipi structures) under different physical conditions has been investigated. This monograph contains 100 open research problems which form the integral part of the text and are useful for both Ph.D aspirants and researchers in the fields of materials science, condensed matter physics, solid-state sciences, nano-science and technology and allied fields in addition to the graduate courses in modern semiconductor nanostructures offered in different Universities and Institutes.

Author : Kamakhya Prasad Ghatak
Publisher : Springer Science & Business Media
Page : 340 pages
File Size : 12,66 MB
Release : 2010-03-14
Category : Technology & Engineering
ISBN : 0387786066

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In recent years, with the advent of fine line lithographical methods, molecular beam epitaxy, organometallic vapour phase epitaxy and other experimental techniques, low dimensional structures having quantum confinement in one, two and three dimensions (such as ultrathin films, inversion layers, accumulation layers, quantum well superlattices, quantum well wires, quantum wires superlattices, magneto-size quantizations, and quantum dots) have attracted much attention not only for their potential in uncovering new phenomena in nanoscience and technology, but also for their interesting applications in the areas of quantum effect devices. In ultrathin films, the restriction of the motion of the carriers in the direction normal to the film leads to the quantum size effect and such systems find extensive applications in quantum well lasers, field effect transistors, high speed digital networks and also in other quantum effect devices. In quantum well wires, the carriers are quantized in two transverse directions and only one-dimensional motion of the carriers is allowed.

Author : Arijit Saha
Publisher : Springer Nature
Page : 192 pages
File Size : 22,97 MB
Release : 2023-03-31
Category : Science
ISBN : 9819902282

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This book highlights advances in the field of THz engineering along with limitations of radio frequency (RF) technology. All engineering applications have been designed to operate over a specific frequency or wavelength range in electromagnetic spectrum. In recent years, the unexplored domain of THz range of electromagnetic spectrum has paved the way for terahertz technology due to its nonionizing nature and sensitivity to water content. A wide range of applications with THz techniques such as terahertz time-domain spectroscopy (THz-TDS), biological, medical and pharmaceutical sciences, explosives inspection, information and communication technology (ICT) sector and many more, have potential to be the technology of future. Different designing aspects and evolving application areas are addressed to enrich the technical knowledge of readers. This book provides an overview of state of the art in terms of research and industrial progress in THz spectrum.

Author : Sitangshu Bhattacharya
Publisher : Springer Science & Business Media
Page : 549 pages
File Size : 29,69 MB
Release : 2012-10-06
Category : Science
ISBN : 3642312470

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This book deals with the Effective Electron Mass (EEM) in low dimensional semiconductors. The materials considered are quantum confined non-linear optical, III-V, II-VI, GaP, Ge, PtSb2, zero-gap, stressed, Bismuth, carbon nanotubes, GaSb, IV-VI, Te, II-V, Bi2Te3, Sb, III-V, II-VI, IV-VI semiconductors and quantized III-V, II-VI, IV-VI and HgTe/CdTe superlattices with graded interfaces and effective mass superlattices. The presence of intense electric field and the light waves change the band structure of optoelectronic semiconductors in fundamental ways, which have also been incorporated in the study of the EEM in quantized structures of optoelectronic compounds that control the studies of the quantum effect devices under strong fields. The importance of measurement of band gap in optoelectronic materials under strong electric field and external photo excitation has also been discussed in this context. The influence of crossed electric and quantizing magnetic fields on the EEM and the EEM in heavily doped semiconductors and their nanostructures is discussed. This book contains 200 open research problems which form the integral part of the text and are useful for both Ph. D aspirants and researchers in the fields of solid-state sciences, materials science, nanoscience and technology and allied fields in addition to the graduate courses in modern semiconductor nanostructures. The book is written for post graduate students, researchers and engineers, professionals in the fields of solid state sciences, materials science, nanoscience and technology, nanostructured materials and condensed matter physics.

Author : YCT Expert Team
Publisher : YOUTH COMPETITION TIMES
Page : 362 pages
File Size : 39,69 MB
Release :
Category : Antiques & Collectibles
ISBN :

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2023-24 12th Class CBSE/NIOS/ISC/UP Board Physics Unsolved Papers 360 695 E

Author : MTG Learning Media
Publisher : MTG Learning Media
Page : 141 pages
File Size : 48,68 MB
Release :
Category : Study Aids
ISBN : 9360235202

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MTG presents a new resource to help CBSE board students with this masterpiece – Chapterwise Instant Notes. This book is the best revision resource for CBSE students as it has instant chapter-wise notes for complete latest CBSE syllabus. The book comprises chapter-wise quick recap notes and then a lot of subjective questions which covers the whole chapter in the form of these questions.

Author : EduCart
Publisher : Educart
Page : 208 pages
File Size : 15,91 MB
Release : 2021-12-28
Category : Study Aids
ISBN : 9355611323

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Educart Class 12 Physics Question Bank combines remarkable features for Term 2 Board exam preparation. Exclusively developed based on Learning Outcomes and Competency-based Education Pattern, this one book includes Chapter-wise theory for learning; Solved Questions (from NCERT and DIKSHA); and Detailed Explanations for concept clearance and Unsolved Self Practice Questions for practice. Topper’s Answers are also given to depict how to answer Questions according to the CBSE Marking Scheme Solutions.