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Статті в журналах з теми "Exciton dynamic"
Tao, Weijian, Qiaohui Zhou, and Haiming Zhu. "Dynamic polaronic screening for anomalous exciton spin relaxation in two-dimensional lead halide perovskites." Science Advances 6, no. 47 (November 2020): eabb7132. http://dx.doi.org/10.1126/sciadv.abb7132.
Повний текст джерелаSneyd, Alexander J., Tomoya Fukui, David Paleček, Suryoday Prodhan, Isabella Wagner, Yifan Zhang, Jooyoung Sung, et al. "Efficient energy transport in an organic semiconductor mediated by transient exciton delocalization." Science Advances 7, no. 32 (August 2021): eabh4232. http://dx.doi.org/10.1126/sciadv.abh4232.
Повний текст джерелаChaouachi, Nizar, and Sihem Jaziri. "Possibility of observation quantum beat coherent exciton states with time-resolved photoemission." Journal of Applied Physics 131, no. 15 (April 21, 2022): 155704. http://dx.doi.org/10.1063/5.0086440.
Повний текст джерелаAslan, Burak, Colin Yule, Yifei Yu, Yan Joe Lee, Tony F. Heinz, Linyou Cao, and Mark L. Brongersma. "Excitons in strained and suspended monolayer WSe2." 2D Materials 9, no. 1 (October 21, 2021): 015002. http://dx.doi.org/10.1088/2053-1583/ac2d15.
Повний текст джерелаUratani, Hiroki. "(Invited) Simulating Dynamic Excitons Via Quantum Molecular Dynamics: A Case Study in Lead Halide Perovskites." ECS Meeting Abstracts MA2022-01, no. 13 (July 7, 2022): 904. http://dx.doi.org/10.1149/ma2022-0113904mtgabs.
Повний текст джерелаZhu, Tong, Jordan M. Snaider, Long Yuan, and Libai Huang. "Ultrafast Dynamic Microscopy of Carrier and Exciton Transport." Annual Review of Physical Chemistry 70, no. 1 (June 14, 2019): 219–44. http://dx.doi.org/10.1146/annurev-physchem-042018-052605.
Повний текст джерелаOuyang, Hao, Haitao Chen, Yuxiang Tang, Jun Zhang, Chenxi Zhang, Bin Zhang, Xiang’ai Cheng, and Tian Jiang. "All-optical dynamic tuning of local excitonic emission of monolayer MoS2 by integration with Ge2Sb2Te5." Nanophotonics 9, no. 8 (April 18, 2020): 2351–59. http://dx.doi.org/10.1515/nanoph-2019-0366.
Повний текст джерелаChen, Lijia, Lun Cai, Lianbin Niu, Pan Guo, and Qunliang Song. "Influence of Temperature on Exciton Dynamic Processes in CuPc/C60 Based Solar Cells." Micromachines 12, no. 11 (October 22, 2021): 1295. http://dx.doi.org/10.3390/mi12111295.
Повний текст джерелаAKAI, I., T. KARASAWA, and T. KOMATSU. "OPTICAL STARK EFFECTS ON THE STACKING FAULT EXCITONS IN BiI3." Journal of Nonlinear Optical Physics & Materials 01, no. 02 (April 1992): 311–37. http://dx.doi.org/10.1142/s0218199192000169.
Повний текст джерелаTikhomirov, S. A. "Ultrafast dynamics and mechanisms of non-stationary absorption in thin gallium selenide samples." Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series 57, no. 1 (April 2, 2021): 99–107. http://dx.doi.org/10.29235/1561-2430-2021-57-1-99-107.
Повний текст джерелаДисертації з теми "Exciton dynamic"
Heiber, Michael C. "Dynamic Monte Carlo Modeling of Exciton Dissociation and Geminate Recombination in Organic Solar Cells." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1353092083.
Повний текст джерелаTamai, Yasunari. "Excited State Dynamics in Nanostructured Polymer Systems." 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/174961.
Повний текст джерелаVisnevski, Dmitri. "Collective dynamics of excitons and exciton-polaritons in nanoscale heterostructures." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2013. http://tel.archives-ouvertes.fr/tel-00914332.
Повний текст джерелаAbbas, Chahine. "Optical spectroscopy of indirect excitons and electron spins in semiconductor nanostructures." Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTS049.
Повний текст джерелаThis work provides an optical study of spin dynamics in two different systems: electrons gas in n-doped CdTe thin layers, and indirect excitons in asymmetric GaAs coupled quantum wells. Time and polar resolved photoluminescence and pump-probe spectroscopy allowed the determination of both the lifetime and the relaxation time of indirect excitons.The global behaviour of the dedicated biased sample has been described, major technical constraints have been pointed out and optimal working conditions have been identified. In photoluminescence, we obtained a lifetime of 15 ns and a spin relaxation time of 5 ns. Pump-probe spectroscopy with an exceptional delay range shown that longer characteristic times could be obtained increasing the delay between two laser pulses.An other optical method has been used to study electrons in CdTe thin layers. Spin noise spectroscopy has recently emerged as an ideal tool to study dynamics of spin systems through their spontaneous fluctuations which are encoded in the polarisation state of a laser beam by means of Faraday rotation. Common spin noise setups provide only temporal fluctuations, spatial information being lost averaging the signal on the laser spot. Here, we demonstrate the first implementation of a spin noise setup providing both spatial and temporal spin correlations thanks to a wave vector selectivity of the scattered light. This gave us the opportunity to measure both the spin relaxation time and the spin diffusion coefficient. This complete vision of the spin dynamics in CdTe has been compared to our understanding of spin physics in GaAs. Against all odds, this knowledge seems not to be directly transposable from GaAs to CdTe
Sajjad, Muhammad Tariq. "Exciton dynamics in carbon nanotubes." Thesis, University of Surrey, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.576127.
Повний текст джерелаBouet, Louis. "Valley dynamics and excitonic properties in monolayer transition metal dichalcogenides." Thesis, Toulouse, INSA, 2015. http://www.theses.fr/2015ISAT0033/document.
Повний текст джерелаThe possibility of isolating transition metal dichalcogenide monolayers by simple experimental means has been demonstrated in 2005, by the same technique used for graphene. This has sparked extremely diverse and active research by material scientists, physicists and chemists on these perfectly two-dimensional (2D) materials. Their physical properties inmonolayer formare appealing both fromthe point of view of fundamental science and for potential applications. Transition metal dichalcogenidemonolayers such asMoS2 have a direct optical bandgap in the visible and show strong absorption of the order of 10% per monolayer. For transistors based on single atomic layers, the presence of a gap allows to obtain high on/off ratios.In addition to potential applications in electronics and opto-electronics these 2D materials allow manipulating a new degree of freedom of electrons, in addition to the spin and the charge : Inversion symmetry breaking in addition to the strong spin-orbit coupling result in very original optical selection rules. The direct bandgap is situated at two non-equivalent valleys in k-space, K+ and K−. Using a specific laser polarization, carriers can be initialized either in the K+ or K− valley, allowing manipulating the valley index of the electronic states. This opens up an emerging research field termed "valleytronics". The present manuscript contains a set of experiments allowing understanding and characterizing the optoelectronic properties of these new materials. The first chapter is dedicated to the presentation of the scientific context. The original optical and electronic properties of monolayer transition metal dichalcogenides are demonstrated using a simple theoreticalmodel. The second chapter presents details of the samples and the experimental setup. Chapters 3 to 6 present details of the experiments carried out and the results obtained. We verify experimentally the optical selection rules. We identify the different emission peaks in the monolayer materials MoS2, WSe2 and MoSe2. In time resolved photoluminescence measurements we study the dynamics of photo-generated carriersand their polarization. An important part of this study is dedicated to experimental investigations of the properties of excitons, Coulomb bound electron-hole pairs. In the final experimental chapter, magneto-Photoluminescence allows us to probe the electronic band structure and to lift the valley degeneracy
Brüggemann, Ben. "Theory of ultrafast exciton dynamics in photosynthetic antenna systems." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2004. http://dx.doi.org/10.18452/15037.
Повний текст джерелаThe multi-exciton description of excitation energy transfer in chromophore complexes and biological light harvesting antenna systems is extended to include the exciton-exciton annihilation processes. To achieve a complete microscopic description the approach is based on intra--chromophore internal conversion processes which leads to non-radiative transitions from higher to lower lying exciton manifolds. Besides an inclusion of exciton-exciton annihilation the used multi-exciton density matrix theory also accounts for a coupling to low-frequency vibrational modes and the radiation field. Concentrating on transitions from the two- to the single-exciton manifold exact and approximate expressions for the annihilation rate are derived. A first application of the introduced extended multi-exciton density matrix theory is given by the computation of ultrafast transient absorption spectra. To elucidate the process of exciton-exciton annihilation in intensity dependent transient absorption data the approach is applied to the B850 ring of the LH2 found in rhodobacter sphaeroides. The signatures of exciton-exciton annihilation as well as the influence of static disorder are discussed in detail. The simulations of transient absorption including static disorder and orientational averaging are in good agreement with experimental data. The recently published structure of the Photosystem I (PS1) of Synechococcus elongatus made it for the first time possible to introduce an excitonic model for the 96 chlorophylls embedded in the protein matrix of that core-antenna system, as presented in this work. The challenge has been to reproduce linear frequency domain spectra in a wide temperature range as well as the time resolved fluorescence. The couplings and the dipole-moments of the chlorophylls are extracted from the x-ray crystal structure. Since the position of the energetic levels of the chlorophylls depend on the respective surrounding their determination is achieved by fitting low temperature absorption, linear dichroism and circular dichroism at the same time. After assigning some chromophores to the red-most states, an evolutionary algorithm is used to get the best fit. The quality of the resulting PS1 model (additionally accounting for inhomogeneous line broadening) is confirmed in calculating time dependent fluorescence spectra which show a good agreement with recent experimental results. The outlined method is also applicable to other photosynthetic antenna systems. The above described exciton models successfully explain the respective measurements. In a second step, they will be used to propose a new type of experiment, the exciton control experiment. Based on an exciton model for the FMO complex of Prosthecochloris aestuarii and the proposed PS1 model of Synechococcus elongatus one studies the laser pulse formation of excitonic wavepackets, i.e. a coherent superposition of excitonic states similar to vibrational wavepackets. Optimal Control theory is used to calculate the shape of femtosecond laser pulses that leads to a spatial localization of excitation energy. The possibility to populate such a localized target state is demonstrated, even in the presence of disorder or exciton-exciton annihilation, and it is shown that the efficiency of localization as well as the length the most suited pulses strongly depend on temperature.
Nelson, Delene J. "Exciton operators, communication relations and dynamics." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ33420.pdf.
Повний текст джерелаLagoudakis, Pavlos G. "Exciton polariton dynamics in semiconductor microcavities." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274583.
Повний текст джерелаGrevatt, Treena. "Exciton spin dynamics in quantum wells." Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242274.
Повний текст джерелаКниги з теми "Exciton dynamic"
Bergin, Randy M., and Randy M. Bergin. Exciton quasiparticles: Theory, dynamics, and applications. Hauppauge, N.Y: Nova Science Publishers, 2010.
Знайти повний текст джерелаMonahan, Nicholas R. Ultrafast Exciton Dynamics at Molecular Surfaces. [New York, N.Y.?]: [publisher not identified], 2015.
Знайти повний текст джерелаBergin, Randy M. Exciton quasiparticles: Theory, dynamics, and applications. Hauppauge, N.Y: Nova Science Publishers, 2010.
Знайти повний текст джерелаBohn, Bernhard Johann. Exciton Dynamics in Lead Halide Perovskite Nanocrystals. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70940-2.
Повний текст джерелаSchröter, Marco. Dissipative Exciton Dynamics in Light-Harvesting Complexes. Wiesbaden: Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-09282-5.
Повний текст джерелаBaldassare, Di Bartolo, North Atlantic Treaty Organization. Scientific Affairs Division., and NATO Advanced Research Study Institute and International School of Atomic and Molecular Spectroscopy Workshop on Spectroscopy and Dynamics of Collective Excitation in Solids (1995 : Erice, Italy), eds. Spectroscopy and dynamics of collective excitations in solids. New York: Plenum Press, 1997.
Знайти повний текст джерелаK, Kuchitsu, ed. Dynamics of excited molecules. Amsterdam: Elsevier, 1994.
Знайти повний текст джерелаH, Sockel, ed. Wind-excited vibrations of structures. New York: Springer-Verlag, 1994.
Знайти повний текст джерела1947-, Whitehead J. C., and Royal Society of Chemistry (Great Britain). Faraday Division., eds. Dynamics of electronically excited states in gaseous, cluster and condensed media. London: Faraday Division, Royal Society of Chemistry, 1998.
Знайти повний текст джерелаMezey, Paul G. Potential energy hypersurfaces. Amsterdam: Elsevier, 1987.
Знайти повний текст джерелаЧастини книг з теми "Exciton dynamic"
Singh, Jai. "Exciton Dynamics." In Excitation Energy Transfer Processes in Condensed Matter, 151–202. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-0996-1_5.
Повний текст джерелаShah, Jagdeep. "Exciton Dynamics." In Ultrafast Spectroscopy of Semiconductors and Semiconductor Nanostructures, 225–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-03770-6_6.
Повний текст джерелаShah, Jagdeep. "Exciton Dynamics." In Ultrafast Spectroscopy of Semiconductors and Semiconductor Nanostructures, 225–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-662-03299-2_6.
Повний текст джерелаLaussy, Fabrice P. "Quantum Dynamics of Polariton Condensates." In Exciton Polaritons in Microcavities, 1–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-24186-4_1.
Повний текст джерелаSatarić, M., Z. Ivić, and R. Žakula. "The Temperature Dependence of Exciton-Phonon Coupling in the Context of Davydov’s Model; The Dynamic Damping of Soliton." In Davydov’s Soliton Revisited, 295–308. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4757-9948-4_22.
Повний текст джерелаKulakovskii, Vladimir D., Sergei S. Gavrilov, Sergei G. Tikhodeev, and Nikolay A. Gippius. "Polariton Nonlinear Dynamics: Theory and Experiments." In Exciton Polaritons in Microcavities, 43–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-24186-4_2.
Повний текст джерелаGutowski, Jürgen, Hans-Georg Breunig, and Tobias Voss. "Dynamics of Excitons and Exciton Complexes in Wide-Gap Semiconductors." In Optics of Semiconductors and Their Nanostructures, 133–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09115-9_6.
Повний текст джерелаSchröter, Marco. "Dissipative quantum dynamics." In Dissipative Exciton Dynamics in Light-Harvesting Complexes, 5–48. Wiesbaden: Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-09282-5_2.
Повний текст джерелаDing, Wenjing. "Dynamic Shimmy of Front Wheel." In Self-Excited Vibration, 167–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-69741-1_7.
Повний текст джерелаTakagahara, T. "Excitonic optical nonlinearity and exciton dynamics in semiconductor quantum dots." In Confined Electrons and Photons, 827–30. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1963-8_38.
Повний текст джерелаТези доповідей конференцій з теми "Exciton dynamic"
Hayat, Alex, Christoph Lange, Lee A. Rozema, Ardavan Darabi, Henry M. van Driel, Aephraim M. Steinberg, Bryan Nelsen, David W. Snoke, Loren N. Pfeiffer, and Kenneth W. West. "Exciton-Polariton Dynamic Stark Effect." In Frontiers in Optics. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/fio.2012.ftu5d.3.
Повний текст джерелаHuang, Libai. "Ultrafast Dynamic Microscopy of Exciton and Charge Transport." In nanoGe Fall Meeting 2021. València: Fundació Scito, 2021. http://dx.doi.org/10.29363/nanoge.nfm.2021.237.
Повний текст джерелаYu, Yi, John J. H. Eng, Kunze Lu, Manlin Luo, Bongkwon Son, Pratul Venkatesh, Wen Wei Lee, Yong Hao Tham, Weibo Gao, and Donguk Nam. "Dynamic tuning of WSe2 exciton emission via laser annealing." In 2D Photonic Materials and Devices VI, edited by Arka Majumdar, Carlos M. Torres, and Hui Deng. SPIE, 2023. http://dx.doi.org/10.1117/12.2649766.
Повний текст джерелаWeibel, Jason, and David Yaron. "Dynamic dielectric screening and exciton binding energies in conjugated polymers." In Optical Science, Engineering and Instrumentation '97, edited by Z. Valy Vardeny and Lewis J. Rothberg. SPIE, 1997. http://dx.doi.org/10.1117/12.279281.
Повний текст джерелаGuarneri, Ludovica, Qitong Li, Jung-Hwan Song, Mark L. Brongersma, and Jorik van de Groep. "Exciton-Enhanced Light Scattering in Atomically-Thin Metasurfaces." In CLEO: QELS_Fundamental Science. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_qels.2022.fm4f.3.
Повний текст джерелаJohnson, Anthony M. "Femtosecond Exciton Dynamics of II-VI Semiconductor Multiple Quantum Wells (Invited)." In Inaugural Forum for the Research Center for Optical Physics. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/rcop.1993.tpls2.
Повний текст джерелаBurgel, M. V., D. A. Wiersma, and K. Duppen. "The Femtosecond Dynamics of Aggregate Excitons in Liquids." In International Conference on Ultrafast Phenomena. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/up.1994.pd.10.
Повний текст джерелаPagliano, Francesco, Frank van Otten, Tian Xia, Lianhe Li, Edmund Linfield, and Andrea Fiore. "Ultrafast Electrical Modulation of the Exciton Energy for the Dynamic Control of Cavity Quantum Electrodynamics." In CLEO: QELS_Fundamental Science. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/cleo_qels.2013.qf1a.4.
Повний текст джерелаKuhl, J., A. Honold, L. Schultheis, and C. W. Tu. "Enhancement of the Radiative Lifetime of 2D Excitons in a GaAs Quantum Well by Dephasing Collisions." In Quantum Wells for Optics and Opto-Electronics. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/qwoe.1989.mc3.
Повний текст джерелаWegener, M., I. Bar-Joseph, G. Sucha, M. N. Islam, N. Sauer, T. Y. Chang, and D. S. Chemla. "Femtosecond dynamics of excitonic absorption in the infrared InGaAs quantum wells." In Quantum Wells for Optics and Opto-Electronics. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/qwoe.1989.mb4.
Повний текст джерелаЗвіти організацій з теми "Exciton dynamic"
Kopelman, R. (Nanometer scale exciton spectroscopy and photochemistry: Dynamic imaging of DNA structure-activity relations and radiation signatures). Office of Scientific and Technical Information (OSTI), January 1991. http://dx.doi.org/10.2172/6060311.
Повний текст джерелаKopelman, R. [Nanometer scale exciton spectroscopy and photochemistry: Dynamic imaging of DNA structure-activity relations and radiation signatures]. Progress report, September 24, 1990--July 24, 1991. Office of Scientific and Technical Information (OSTI), December 1991. http://dx.doi.org/10.2172/10107053.
Повний текст джерелаKopelman, R. Nanometer scale exciton/photon dynamic spectrochemical imaging for DNA structure-activity relations and radiation signatures. Final progress report, December 24, 1993--December 23, 1996. Office of Scientific and Technical Information (OSTI), June 1997. http://dx.doi.org/10.2172/486116.
Повний текст джерелаJessen, S. W., J. W. Blatchford, Y. Z. Wang, D. D. Gebler, and L. B. Lin. Exciton Dynamics in Poly(p-pyridyl Vinylene). Fort Belvoir, VA: Defense Technical Information Center, March 1996. http://dx.doi.org/10.21236/ada305228.
Повний текст джерелаGallagher, T. F. Structure Dynamics of Excited Atoms. Fort Belvoir, VA: Defense Technical Information Center, March 1988. http://dx.doi.org/10.21236/ada198147.
Повний текст джерелаParekh, Jatin C., and Warren C. Gibson. Dynamic Analysis of Quartz Glass Excited Acoustically. Fort Belvoir, VA: Defense Technical Information Center, June 1992. http://dx.doi.org/10.21236/ada361416.
Повний текст джерелаGallagher, Thomas F. Structure and Dynamics of Excited Atoms. Fort Belvoir, VA: Defense Technical Information Center, December 2001. http://dx.doi.org/10.21236/ada398434.
Повний текст джерелаGallagher, Thomas F. Structure and Dynamics of Excited Atoms. Fort Belvoir, VA: Defense Technical Information Center, January 2005. http://dx.doi.org/10.21236/ada435243.
Повний текст джерелаGallagher, Thomas F. Structure and Dynamics of Excited Atoms. Fort Belvoir, VA: Defense Technical Information Center, February 1987. http://dx.doi.org/10.21236/ada179887.
Повний текст джерелаMoore, C. B. The Dynamics of Vibrationally Excited Molecules. Fort Belvoir, VA: Defense Technical Information Center, November 1985. http://dx.doi.org/10.21236/ada163764.
Повний текст джерела