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A new class of insulating solids was recently discovered. Whenirradiated by a few visible photons, these solids give rise to amacroscopic excited domain that has new structural and electronicorders quite different from the starting ground state. This occurrenceis called photoinduced phase transition, and this multi-authoredbook reviews recent theoretical and experimental studies of this newphenomenon.
Emergent States in Photoinduced Charge-Density-Wave Transitions by Alfred Zong Pdf
This book advances understanding of light-induced phase transitions and nonequilibrium orders that occur in a broken-symmetry system. Upon excitation with an intense laser pulse, materials can undergo a nonthermal transition through pathways different from those in equilibrium. The mechanism underlying these photoinduced phase transitions has long been researched, but many details in this ultrafast, non-adiabatic regime still remain to be clarified. The work in this book reveals new insights into this phenomena via investigation of photoinduced melting and recovery of charge density waves (CDWs). Using several time-resolved diffraction and spectroscopic techniques, the author shows that the light-induced melting of a CDW is characterized by dynamical slowing-down, while the restoration of the symmetry-breaking order features two distinct timescales: A fast recovery of the CDW amplitude is followed by a slower re-establishment of phase coherence, the latter of which is dictated by the presence of topological defects in the CDW. Furthermore, after the suppression of the original CDW by photoexcitation, a different, competing CDW transiently emerges, illustrating how a hidden order in equilibrium can be unleashed by a laser pulse. These insights into CDW systems may be carried over to other broken-symmetry states, such as superconductivity and magnetic ordering, bringing us one step closer towards manipulating phases of matter using a laser pulse.
Relaxations of Excited States and Photo-Induced Phase Transitions by Keiichiro Nasu Pdf
Message from The Taniguchi Foundation Dr. Kanamori, Distinguished Guests and Friends: The Taniguchi Foundation wishes to welcome the participants of the nine teenth International Symposium on the Theory of Condensed Matter, who have come from within this country and from different parts of the world. The concept of the symposium is unique in that participants, both Japanese and from abroad, are limited in number to small discussion groups, and live together, although for a short period, as a close-knit community. We feel that this kind of environment will assist towards the strengthening of understanding and the fostering of friendship among the attendees. It is easy to talk about, but difficult to realize, the ideal of international friendship and understanding in a world which is steadily growing smaller. So far, the Foundation has invited a total of 149 participants in this division from 24 foreign countries and 299 participants from Japan. And we are all friends. We hope and trust that even after they have reached the heights of academic fame during the coming decades, the participants will continue to join forces and help to forge closer bonds of friendship and cooperation that will make major contributions not only to academia, but also towards world peace and the welfare of mankind. We hope that all the participants will return home with warm memories of both this symposium and the pleasant times that we have shared. Thank you.
Phase Transitions For Beginners by Stishov Sergei M Pdf
Written by an experimentalist famous for his discovery of stishovite, with vast experience in phase transition studies, this book is devoted to a description of the continuous and discontinuous phase transitions. It includes chapters outlining the Van der Waals model, hard sphere and soft sphere models of melting, scaling phenomena, renormgroup approach to phase transitions, and experimental examples to illustrate various phase transitions.Unlike conventional books covering the same topic, this is meant for undergraduate students and experimentalists to understand basic concepts in the physics of phase transitions.
Proceedings of 2000 International Conference on Excitonic Processes in Condensed Matter by Kikuo Ch?,Atsuo Matsui Pdf
At Yamada Conference LIII, papers on many novel materials and on novel phenomena in condensed matter physics were presented ? 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: ? Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)
Excitonic Processes in Condensed Matter by Kikuo Cho,Atsuo Matsui Pdf
At Yamada Conference LIII, papers on many novel materials and on novel phenomena in condensed matter physics were presented — 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: • 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 Göppert 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. Keywords:Excitonic;Processes;Quantum Well;Quantum Dot
Optical Properties of Low-Dimensional Materials by T Ogawa,Y Kanemitsu Pdf
This book surveys recent theoretical and experimental studies of optical properties of low-dimensional materials. As an extended version of Optical Properties of Low-Dimensional Materials (Volume 1, published in 1995 by World Scientific), Volume 2 covers a wide range of interesting low-dimensional materials including both inorganic and organic systems, such as disordered polymers, deformable molecular crystals, dilute magnetic semiconductors, SiGe/Si short-period superlattices, GaAs quantum wires, semiconductor microcavities, and photonic crystals. There are excellent review articles by promising researchers in each field. All the materials introduced in this book yield new optical phenomena originating from their mesoscopic and low-dimensional electronic characters and electron-lattice couplings, which offer a new research field of materials science as well as condensed-matter and optical physics. Volumes 1 and 2 are interrelated but can be read independently. They are pitched at the level of graduate students and are useful to both students and scientists. Contents:Excitons and Nonlinear Excitations in Organic Conjugated Systems (K Harigaya)Lattice Dynamics of Disordered Materials (Y Kanematsu)Photoinduced Phase Transitions and Cooperative Phenomena (S Koshihara)Spin-Induced Optical Phenomena in Diluted Magnetic Semiconductors (S Takeyama)Radiative Recombination in Strained SiGe-Based Microstructures (S Fukatsu)GaAs Quantum Wires (T Sogawa)Microcavity Effects in Semiconductor Quantum Wells (Y Kadoya)Photonic Crystals (K Sakoda) Readership: Researchers and students in condensed matter/solid state physics, semiconductors, applied physics and materials science. keywords:Low Dimension;Optical Property;Materials Science;Nanoscience;Quantum Confinement;Exciton;Phonon;Photon;Electronic Structure;Lattice Structure
Liquid crystal (LC) displays dominating in the present market of flat panel displays are generally based on interactions of light and LCs. Recent progress in this field indicates that integrating photochromic molecules into LC materials enables one to photomanipulate unique features such as photoinduced phase transition, photocontrolled alignment, and phototriggered molecular cooperative motion, giving birth to their novel applications beyond displays. For instance, on connecting with three-dimensionally crosslinked elastomers, LCs show photomechanical and photomobile properties, converting light energy directly into mechanical work. Combining supramolecular cooperative motion with microphase separation of well-defined block copolymers, they exhibit controllable regular nanostructures on a macroscopic scale with excellent reproducibility and mass production. This book first introduces the basic knowledge on LCs in a step-by-step manner and then deeply discusses photoresponsive LCs in low-molecular-weight compounds or small molecules, polymers or macromolecules, elastomers, and block copolymers, respectively. The engrossing photoresponsive LC materials offer an effective and convenient chance to adjust properties of advanced materials by integrating photoresponsive molecules with LC properties, which has become one of the emerging topics in the present and future LC researches. This book comprehensively compiles the nature of this type of materials and the ongoing progress in this research area and uses graphs and figures extensively to enhance understanding especially of beginners. This book would be useful for students and primary researchers in soft materials and self-organized materials in both chemistry and physics. It may also serve as a reference for experienced researchers to keep up the current research trends in photoresponsive LC materials.
Photoactive Functional Soft Materials by Quan Li Pdf
This book covers the design, synthesis, properties, and applications of functional photoactive soft materials, including aspects of polymers, block copolymers, elastomers, biomaterials, liquid crystals, chemical and physical gels, colloids, and host-guest systems. It combines, in a unified manner, authoritative accounts describing various structural and functional aspects of photoactive soft materials. Photoactive Functional Soft Materials: Preparation, Properties, and Applications: * Brings together the state-of-the-art knowledge on photoactive functional soft materials in a unified manner * Covers a vibrant research field with tremendous application potential in areas such as optoelectronics, photonics, and energy generation * Appeals to a large interdisciplinary audience because it is highly useful for researchers and engineers working on photonics, optoelectronics, imaging and sensing, nanotechnology, and energy materials Photoactive Functional Soft Materials: Preparation, Properties and Applications focuses on the design and fabrication of photoactive functional soft materials for materials science, nanophotonics, nanotechnology, and biomedical applications.
Optical Properties of Low-dimensional Materials by Tetsuo Ogawa,Yoshihiko Kanemitsu Pdf
This book surveys recent theoretical and experimental studies of optical properties of low-dimensional materials. As an extended version of Optical Properties of Low-Dimensional Materials (Volume 1, published in 1995 by World Scientific), Volume 2 covers a wide range of interesting low-dimensional materials including both inorganic and organic systems, such as disordered polymers, deformable molecular crystals, dilute magnetic semiconductors, SiGe/Si short-period superlattices, GaAs quantum wires, semiconductor microcavities, and photonic crystals. There are excellent review articles by promising researchers in each field. All the materials introduced in this book yield new optical phenomena originating from their mesoscopic and low-dimensional electronic characters and electron-lattice couplings, which offer a new research field of materials science as well as condensed-matter and optical physics. Volumes 1 and 2 are interrelated but can be read independently. They are pitched at the level of graduate students and are useful to both students and scientists.
Supramolecular Soft Matter by Takashi Nakanishi Pdf
The pivotal text that bridges the gap between fundamentals and applications of soft matter in organic electronics Covering an expanding and highly coveted subject area, Supramolecular Soft Matter enlists the services of leading researchers to help readers understand and manipulate the electronic properties of supramolecular soft materials for use in organic opto-electronic devices, such as photovoltaics and field effect transistors, some of the most desired materials for energy conservation. Rather than offering a compilation of current trends in supramolecular soft matter, this book bridges the gap between fundamentals and applications of soft matter in organic electronics in an effort to open new directions in research for applying supramolecular assembly into organic materials while also focusing on the morphological functions originating from the materials' self-assembled architectures. This unique approach distinguishes Supramolecular Soft Matter as a valuable resource for learning to identify concepts that hold promise for the successful development of organic/polymeric electronics for use in real-world applications. Supramolecular Soft Matter: Combines important topics to help supramolecular chemists and organic electronics researchers work together Covers an interdisciplinary field of prime importance to government-supported R&D research Discusses the concepts and perspectives in a dynamic field to aid in the successful development of organic electronics Includes applications for energy conservation like photovoltaics and field effect transistors Teeming with applicable information on both molecular design and synthesis, as well as the development of smart molecular assemblies for organic electronic systems, Supramolecular Soft Matter provides more practical in-depth coverage of this rapidly evolving technology than any other book in its field.
Material Designs and New Physical Properties in MX- and MMX-Chain Compounds by Masahiro Yamashita,Hiroshi Okamoto Pdf
This is the first book to comprehensively address the recent developments in both the experimental and theoretical aspects of quasi-one-dimensional halogen-bridged mono- (MX) and binuclear metal (MMX) chain complexes of Pt, Pd and Ni. These complexes have one-dimensional electronic structures, which cause the various physical properties as well as electronic structures. In most MX-chain complexes, the Pt and Pd units are in M(II)-M(IV) mixed valence or charge density wave (CDW) states due to electron-phonon interactions, and Ni compounds are in Ni(III) averaged valence or Mott-Hubbard states due to the on-site Coulomb repulsion. More recently, Pd(III) Mott-Hubbard (MH) states have been realized in the ground state by using the chemical pressure. Pt and Pd chain complexes undergo photo-induced phase transitions from CDW to MH or metal states, and Ni chain complexes undergo photo-induced phase transitions from MH to metal states. Ni chain complexes with strong electron correlations show tremendous third-order optical nonlinearity and nonlinear electrical conductivities. They can be explained theoretically by using the extended Peierls-Hubbard model. For MMX-chain complexes, averaged valence, CDW, charge polarization, and alternating charge polarization states have been realized by using chemical modification and external stimuli, such as temperature, photo-irradiation, pressure, and water vapor. All of the electronic structures and phase transitions can be explained theoretically.
Synchrotron Radiation Applications by Zhang Xinyi Pdf
This is a research-level review volume. It presents both the fundamentals and the advanced research results, covering most part of important aspects of synchrotron radiation applications. Among the broad subjects of synchrotron radiation applications, as the main content of this book we have applications in VUV, soft X-rays, hard X-rays and XFEL (X-ray free electron laser) and important applications by various synchrotron-based techniques and methods, such as ARPES (angle-resolved photoemission spectroscopy), VUV photo-ionization spectroscopy, X-ray absorption/emission spectroscopy and X-ray absorption fine structure, X-ray diffraction, small angle X-ray scattering, X-ray excited optical luminescence, imaging and high pressure techniques. Contents: Angle Resolved Photoemission Spectroscopy Study Utilizing the Synchrotron Radiation (Yan Zhang, Dawei Shen, and Donglai Feng) Synchrotron-Based VUV Photoionization Mass Spectrometry in Combustion Chemistry Research (Nils Hansen, Bin Yang, and Tina Kasper) Developments on Synchrotron X-Ray Diffraction (Qiyun Xie and Xiaoshan Wu) Structural Biology and Synchrotron Radiation (Zihe Rao and Zhiyong Lou) Fluorescence Detected XAS — Unconventional Applications (Hiroyuki Oyanagi) The Application of X-Ray Absorption Fine Structure Spectroscopy in Functional Materials (Zhihu Sun, Xinyi Zhang, and Shiqiang Wei) Small Angle X-Ray Scattering and Its Applications (Zhonghua Wu and Xueqing Xing) Crystal-Based X-Ray Medical Imaging Using Synchrotron Radiation and Its Future Prospect (Masami Ando, Naoki Sunaguchi, Yongjin Sung, Daisuke Shimao, Jong-Ki Kim, Gang Li, Yoshifumi Suzuki, Tetsuya Yuasa, Kensaku Mori, Shu Ichihara and Rajiv Gupta) X-Ray Imaging and Its Applications (Tiqiao Xiao and Honglan Xie) Synchrotron Radiation Applications in Medicine (Yifeng Peng, Liangqi Wang, Chenglin Liu, Alberto Bravin, Gang Li, Shaoliang Chen, Yongting Wang, Guo-Yuan Yang and Xinyi Zhang) Synchrotron Radiation Applications on High-Pressure Research (Bo Zou, Kai Wang, Shourui Li and Guangtian Zou) X-Ray Excited Optical Luminescence and Its Applications (Lijia Liu and Xuhui Sun) A Compact X-Ray Free-Electron Laser: SACLA (Hitoshi Tanaka, Takashi Tanaka, Kei Sawada, Makina Yabashi, and Tetsuya Ishikawa) Femtosecond Imaging of Single Particles and Molecules Using X-Ray Free-Electron Lasers (Andrew V Martin and N Duane Loh) Readership: Graduate students and professionals working on synchrotron radiation. Keywords: Angle Resolved Photoemission Spectroscopy (ARPES);Coherent Diffractive Imaging (CDI);Combustion;Detactor Development;Free-Electron Laser;High Pressure;Medical Imaging;Nanomaterials;Photoemission Spectroscopy;Protein Crystallography;Serial Femtosecond Crystallography (SFX);Single Particles and Molecules;Small Angle X-Ray Scattering;Strongly Correlated Materials;Surface X-Ray Diffraction;Synchrotron Radiation Applications;Table Top X-Ray Source;VUV Photoionization Mass Spectrometry;X-Ray Absorption Fine Structure (XAFS);X-Ray Absorption Spectroscopy (XAS);X-Ray Excited Optical Luminescence (XEOL);X-Ray Fluorescence (XRF)Review: Key Features: The book contains the latest synchrotron-based techniques and research results All contributors are specialists or leading scientists in their fields The book includes new techniques and methods that will potentially get wider applications in various disciplines
Progress in Nano-Electro-Optics VII by Motoichi Ohtsu Pdf
This book focuses on chemical and nanophotonic technology to be used to develop novel nano-optical devices and systems. It begins with temperature- and photo-induced phase transition of ferromagnetic materials. Further topics include: energy transfer in artificial photosynthesis, homoepitaxial multiple quantum wells in ZnO, near-field photochemical etching and nanophotonic devices based on a nonadiabatic process and optical near-field energy transfer, respectively and polarization control in the optical near-field for optical information security. Taken as a whole, this overview will be a valuable resource for engineers and scientists working in the field of nano-electro-optics.
