Time-Dependent Photoluminescence and Photoluminescence Excitation in Exciton Systems and Related Phenomena PDF Download
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Author: John Kenney
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
The term ,Äúexciton,Äù covers an extremely diverse range of materials, phenomena, processes, interactions, and experimental techniques. This review provides a general introduction-with selected descriptive examples-of excitonic systems with an emphasis on excitonic photoluminescence and photoexcitation spectroscopy in the ultrafast time-resolved femtosecond time domain.
Author: John Kenney
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
The term ,Äúexciton,Äù covers an extremely diverse range of materials, phenomena, processes, interactions, and experimental techniques. This review provides a general introduction-with selected descriptive examples-of excitonic systems with an emphasis on excitonic photoluminescence and photoexcitation spectroscopy in the ultrafast time-resolved femtosecond time domain.
Author: Zbigniew Piotr Szadkowski
Publisher: BoD – Books on Demand
ISBN: 1803551143
Category : Science
Languages : en
Pages : 112
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Book Description
In the mid-19th century, the scientific community was convinced that physics had been fully discovered and only isolated, peripheral issues remained unexplained. One of these was black body radiation (CDC) and the transformation of electromagnetic waves. In 1893, Wien proved that the wavelength at which CDC radiates the greatest amount of energy is inversely proportional to body temperature. Surprisingly, the formula resulting from current, reliable physics describes CDC radiation very well only at low frequencies. For ultraviolet frequencies, the obtained function was constantly upwards. Planck proposed the distribution of the CDC radiation spectrum, assuming that the radiation can only be emitted in precisely defined portions known as quanta. This was the year of the creation of quantum physics, one of the foundations of modern physics. Aristotle recognized that there is a distinctive frame of reference. This view was challenged by Galileo, who concluded that the speed and position of the body are relative. The Galilean transformation became the foundation of Newtonian physics. However, Maxwell’s equations describing electromagnetic waves were not subject to the Galilean transformation but rather to the Lorentz transformation. The biggest problem at the beginning of the 20th century was the incompatibility of the laws of dynamics and electromagnetism. The theory of relativity is another foundation of modern physics. The last year of the 19th century debunked the myth of full understanding of the laws of nature. It quickly turned out that the knowledge about the universe at that time was very little. This lack of knowledge led to a rapid reconstruction of physics in the first half of the 20th century. is book discusses some of these subjects, including spinor fields, 5D relativity, dissipative quantum system and energy balance, centrifugal acceleration in relativistic astrophysics, and time-dependent photoluminescence.
![Time-resolved Photoluminescence Studies of Exciton Phenomena in Si, CdSe, ZnSe and GaAs on a Sub-nanosecond Time Scale [microform] PDF](https://books.google.com/books/content/images/frontcover/zvObwgEACAAJ?fife=w80-h100)
Author: Steiner, Thomas W. (Thomas Walter)
Publisher: National Library of Canada
ISBN: 9780315307551
Category : Exciton theory
Languages : en
Pages : 366
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Book Description
Author: Jagannathan Thirumalai
Publisher: BoD – Books on Demand
ISBN: 9535127624
Category : Science
Languages : en
Pages : 390
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Book Description
The aim of this book is to give readers a broad review of topical worldwide advancements in theoretical and experimental facts, instrumentation and practical applications erudite by luminescent materials and their prospects in dealing with different types of luminescence like photoluminescence, electroluminescence, thermo-luminescence, triboluminescence, bioluminescence design and applications. The additional part of this book deals with the dynamics, rare-earth ions, photon down-/up-converting materials, luminescence dating, lifetime, bioluminescence microscopical perspectives and prospects towards the basic research or for more advanced applications. This book is divided into four main sections: luminescent materials and their associated phenomena; photo-physical properties and their emerging applications; thermoluminescence dating: from theory to applications, and bioluminescence perspectives and prospects. Individual chapters should serve the broad spectrum of common readers of diverse expertise, layman, students and researchers, who may in this book find easily elucidated fundamentals as well as progressive principles of specific subjects associated with these phenomena. This book was created by 14 contributions from experts in different fields of luminescence and technology from over 20 research institutes worldwide.
Author: Kikuo Cho
Publisher: World Scientific
ISBN: 9789812811387
Category : Science
Languages : en
Pages : 506
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Book Description
At Yamada Conference LIII, papers on many novel materials and on novel phenomena in condensed matter physics were presented OCo for instance, the achievement of simultaneous creation of excitons and free-electron-hole pairs in rare gas solids, and a low frequency fluctuation of the spectral shift of indirect excitons in GaAs coupled quantum wells. Single molecule spectroscopy is a powerful tool for studying molecules including biological systems; the study of delocalization of excitons in the photosynthetic light harvesting antenna system was also reported. The proceedings thus contain many excellent papers dealing with current research topics on the excitonic processes in bulk, quantum wells, quantum dots and other confined systems. This book will serve as an excellent source of recent references and reviews for a wide range of researchers in physics, chemistry, engineering and biological sciences. The proceedings have been selected for coverage in: . OCo Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings). Contents: Dynamical Process of Photoionization in Semiconductor Nanocrystals (M Y Shen et al.); Excitons on a 1D Periodic Conjugated Polymer Chain: Two Electronic Structures of Polydiacetylene Chains (C Lapersonne-Meyer); Anomalous Spectral Shifts of Indirect Excitons in Coupled GaAs Quantum Wells (D W Snoke et al.); Infrared Absorption by Excitons in Cuprous Oxide (M GAppert et al.); Theory of Excitation-Energy Transfer Processes Involving Optically Forbidden Exciton States in Antenna Systems of Photosynthesis (K Mukai et al.); Transient Grating Induced by Excitonic Polaritons in Thin Film Semiconductors (K Akiyama et al.); Excitonic Photoluminescence of Pentacene Single Crystal (T Aoki-Matsumoto et al.); Scanning Near-Field Optical Microspectroscopy of Single Perylene Microcrystals (J Niitsuma et al.); and other papers. Readership: Condensed matter physicists, materials scientists, chemists and biologists."
Author:
Publisher: National Academies
ISBN:
Category : Research grants
Languages : en
Pages : 164
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Book Description
Author:
Publisher:
ISBN:
Category : Gallium arsenide semiconductors
Languages : en
Pages : 304
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Book Description
Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 2626
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Book Description
Photoluminescence (PL) excitation spectroscopy mapped the photoexcitation wavelength dependence of the red luminescence [(sup 5 D sub 0 to (sup 7 F sub 2d)] transition from GaN:Eu. Time-resolved PL measurements revealed that for excitation at the GaN bound exciton energy, the decay transients are almost temperature insensitive between 86 K and 300 K, indicating an efficient energy transfer process. However, for excitation energies above or below the GaN bound exciton energy, the decaying luminescence indicates excitation wavelength- and temperature-dependent energy transfer influenced by intrinsic and Eu(3+)-related defects.
Author: Takayoshi Kobayashi
Publisher: CRC Press
ISBN: 0429589786
Category : Medical
Languages : en
Pages : 1255
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Book Description
This book describes the basic physical principles of techniques to generate and ultrashort pulse lasers and applications to ultrafast spectroscopy of various materials covering chemical molecular compounds, solid-state materials, exotic novel materials including topological materials, biological molecules and bio- and synthetic polymers. It introduces non-linear optics which provides the basics of generation and measurement of pulses and application examples of ultrafast spectroscopy to solid state physics. Also it provide not only material properties but also material processing procedures. The book describes also details of the world shortest visible laser and DUV lasers developed by the author’s group. It is composed of the following 12 Sections: The special features of this book is that it is written by a single author with a few collaborators in a systematic way. Hence it provides a comprehensive and systematic description of the research field of ultrashort pulse lasers and ultrafast spectroscopy. Generation of ultrashort pulses in deep ultraviolet to near infrared Generation of ultrashort pulses in terahertz Carrier envelope phase (CEP) Simple NLO processes with a few colors Multi-color involved NLO processes Multi-color ultrashort pulse generation NLO materials NLO processes in time-resolved spectroscopy Low dimension materials Conductors and superconductors Chemical reactions and material processing Photobiological reactions
