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Author : A. Davydov
Publisher : Springer
ISBN 13 : 1489951695
Total Pages : 319 pages
Book Rating : 4.4/5 (899 download)
Download or read book Theory of Molecular Excitons written by A. Davydov and published by Springer. This book was released on 2013-11-11 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vladimir L. Broude
Publisher : Springer
ISBN 13 : 9783642882203
Total Pages : 0 pages
Book Rating : 4.8/5 (822 download)
Download or read book Spectroscopy of Molecular Excitons written by Vladimir L. Broude and published by Springer. This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low-temperature spectroscopy of organic molecular crystals came into being in the late 20s, just when quantum physics of solids as a whole began to de velop vigorously. Already in the early works, two experimental facts of prime importance were discovered: the presence of a multitude of narrow bands in the low-temperature spectrum of a crystal, and a close relationship between the spectrum of the crystal and that of the constituent molecules. These findings immediately preceded the celebrated paper of Frenkel in which he went beyond the framework of Bloch's scheme and advanced the exciton concept. Subsequent investigations showed that the most interesting features of the spectra of molecular crystals are associated with excitons, and then the spectroscopy of molecular excitons began to form gradually on the basis of the spectroscopy of organic crystals. The molecular exciton became synonymous to the Frenkel exciton in a molecular crystal. In view of the difficulties involved in the analysis of rich spectra con taining many tens of bands, the spectroscopy of molecular crystals had long been connected most closely with the spectroscopy of molecules. It had deve loped independently, to a large extent, from the other branches of solid state physics. This was also emphasized by the difference in experimental techniques, the specific properties of the objects, etc. As a result, there was some lag in ideas and concepts.
Author : David Parker Craig
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.3/5 (97 download)
Download or read book Excitons in Molecular Crystals written by David Parker Craig and published by . This book was released on 1968 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Springer
ISBN 13 : 3540390685
Total Pages : 233 pages
Book Rating : 4.5/5 (43 download)
Download or read book Exciton Dynamics in Molecular Crystals and Aggregates written by and published by Springer. This book was released on 2006-04-11 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Warren Lee Pollans
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (399 download)
Download or read book Excitons in Molecular Crystals written by Warren Lee Pollans and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. B. Zahlan
Publisher : CUP Archive
ISBN 13 : 9780521073523
Total Pages : 250 pages
Book Rating : 4.0/5 (735 download)
Download or read book Excitons, Magnons and Phonons in Molecular Crystals written by A. B. Zahlan and published by CUP Archive. This book was released on 1968-11-02 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert J. Silbey
Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (494 download)
Download or read book Excitons in Molecular Crystals written by Robert J. Silbey and published by . This book was released on 1965 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vladimir L. Broude
Publisher : Springer
ISBN 13 : 9783540124092
Total Pages : 274 pages
Book Rating : 4.1/5 (24 download)
Download or read book Spectroscopy of Molecular Excitons written by Vladimir L. Broude and published by Springer. This book was released on 1985-09-01 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low-temperature spectroscopy of organic molecular crystals came into being in the late 20s, just when quantum physics of solids as a whole began to de velop vigorously. Already in the early works, two experimental facts of prime importance were discovered: the presence of a multitude of narrow bands in the low-temperature spectrum of a crystal, and a close relationship between the spectrum of the crystal and that of the constituent molecules. These findings immediately preceded the celebrated paper of Frenkel in which he went beyond the framework of Bloch's scheme and advanced the exciton concept. Subsequent investigations showed that the most interesting features of the spectra of molecular crystals are associated with excitons, and then the spectroscopy of molecular excitons began to form gradually on the basis of the spectroscopy of organic crystals. The molecular exciton became synonymous to the Frenkel exciton in a molecular crystal. In view of the difficulties involved in the analysis of rich spectra con taining many tens of bands, the spectroscopy of molecular crystals had long been connected most closely with the spectroscopy of molecules. It had deve loped independently, to a large extent, from the other branches of solid state physics. This was also emphasized by the difference in experimental techniques, the specific properties of the objects, etc. As a result, there was some lag in ideas and concepts.
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Author : David Parker Craig
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (18 download)
Download or read book Excitons in Molecular Crystals; Theory and Applications [by] D. F. Craig [and] S. H. Walmsley written by David Parker Craig and published by . This book was released on with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert L. Ake
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (373 download)
Download or read book Exciton Coupling in Molecular Crystals written by Robert L. Ake and published by . This book was released on 1976 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vladimir M. Agranovich
Publisher : Springer Science & Business Media
ISBN 13 : 3662024063
Total Pages : 454 pages
Book Rating : 4.6/5 (62 download)
Download or read book Crystal Optics with Spatial Dispersion, and Excitons written by Vladimir M. Agranovich and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spatial dispersion, namely, the dependence of the dielectric-constant tensor on the wave vector (i.e., on the wavelength) at a fixed frequency, is receiving increased attention in electrodynamics and condensed-matter optics, partic ularly in crystal optics. In contrast to frequency dispersion, namely, the frequency dependence of the dielectric constant, spatial dispersion is of interest in optics mainly when it leads to qualitatively new phenomena. One such phenomenon has been weH known for many years; it is the natural optical activity (gyrotropy). But there are other interesting effects due to spatial dispersion, namely, new normal waves near absorption lines, optical anisotropy of cubic crystals, and many others. Crystal optics that takes spatial dispersion into account includes classical crystal optics with frequency dispersion only, as a special case. In our opinion, this fact alone justifies efforts to develop crystal optics with spatial dispersion taken into account, although admittedly its influence is smaH in some cases and it is observable only under rather special conditions. Furthermore, spatial dispersion in crystal optics deserves attention from another point as well, namely, the investigation of excitons that can be excited by light. We contend that crystal optics with spatial dispersion and the theory of excitons are fields that overlap to a great extent, and that it is sometimes quite impossible to separate them. It is our aim to show the true interplay be tween these interrelations and to combine the macroscopic and microscopic approaches to crystal optics with spatial dispersion and exciton theory.
Author :
Publisher : Springer
ISBN 13 : 9783662157749
Total Pages : 228 pages
Book Rating : 4.1/5 (577 download)
Download or read book Exciton Dynamics in Molecular Crystals and Aggregates written by and published by Springer. This book was released on 2013-11-20 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antoine Benjamin Zahlan
Publisher :
ISBN 13 :
Total Pages : 235 pages
Book Rating : 4.:/5 (499 download)
Download or read book EXCITONS, Magnons and Phonons in Molecular Crystals written by Antoine Benjamin Zahlan and published by . This book was released on 1968 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edgar A. Silinsh
Publisher : Springer Science & Business Media
ISBN 13 : 3642814646
Total Pages : 404 pages
Book Rating : 4.6/5 (428 download)
Download or read book Organic Molecular Crystals written by Edgar A. Silinsh and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on the results of many years of experimental work by the author and his colleagues, dealing with the electronic properties of organic crystals. E. Silinsh has played a leading role in pOinting out the importance of the polarization energy by an excess carrier, in determining not only the character of the carrier mobility in organic crystals, but in determining the band gap and the nature of the all-important trapping site in these crystals. The one-electron model of electronic conductivity that has been so successful in dealing with inorganic semiconductors is singular ly unsuccessful in rationalizing the unusual physical properties of organic crystals. A many-body theory is required, and the experimental manifestation of this is the central role played by the crystal polarization enerqies in transferring the results obtained with the isolated molecule, to the solid. The careful studies of E. Silinsh in this field have shown tn detail how this polarization energy develops around the excess carrier (and also the hole-electron pair) sitting on a molecular site in the crystal. As with all insulators, trapping sites playa dominant role in reducing the magnitude of ~he current that can theoretically pass through the organic crystal. It is usually the case that these trapping sites are energetically distributed within the forbidden band of the crystal. For many years, an exponential distribution has shown itself to be useful and reasonably correct: However,' E.
Author : Vladimir M. Agranovich
Publisher : OUP Oxford
ISBN 13 : 0191552917
Total Pages : 512 pages
Book Rating : 4.1/5 (915 download)
Download or read book Excitations in Organic Solids written by Vladimir M. Agranovich and published by OUP Oxford. This book was released on 2009-02-12 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last decade our expertise in nanotechnology has advanced considerably. The possibility of incorporating in the same nanostructure different organic and inorganic materials has opened up a promising field of research, and has greatly increased the interest in the study of properties of excitations in organic materials. In this book not only the fundamentals of Frenkel exciton and polariton theory are described, but also the electronic excitations and electronic energy transfers in quantum wells, quantum wires and quantum dots, at surfaces, at interfaces, in thin films, in multilayers, and in microcavities. Among the new topics in the book are those devoted to the optics of hybrid Frenkel-Wannier-Mott excitons in nanostructures, polaritons in organic microcavities including hybrid organic-inorganic microcavities, new concepts for organic light emitting devices, the mixing of Frenkel and charge-transfer excitons in organic quasi one-dimensional crystals, excitons and polaritons in one and two-dimensional crystals, surface electronic excitations, optical biphonons, and Fermi resonances by polaritons. All new phenomena described in the book are illustrated by available experimental observations. The book will be useful for scientists working in the field of photophysics and photochemistry of organic solids (for example, organic light-emitting devices and solar cells), and for students who are entering this field. It is partly based on a book by the author written in 1968 - "Theory of Excitons" - in Russian. However the new book includes only 5 chapters from this version, all of which have been updated. The 10 new chapters contain discussions of new phenomena, their theory and their experimental observations.
Author : Charles Gray Montgomery
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (251 download)
Download or read book One - Dimensional Excitons in Organic Molecular Crystals written by Charles Gray Montgomery and published by . This book was released on 1965 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (993 download)
Download or read book Excitons, Magnons and Phonons in Molecular Crystals written by and published by . This book was released on 1969 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
