Thematische Bibliographien / Electron holes

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Auswahl der wissenschaftlichen Literatur zum Thema „Electron holes“

Autor: Grafiati

Veröffentlicht am 29. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Zeitschriftenartikel zum Thema "Electron holes"

Eliasson, B., and P. K. Shukla. "The dynamics of electron and ion holes in a collisionless plasma." Nonlinear Processes in Geophysics 12, no. 2 (2005): 269–89. http://dx.doi.org/10.5194/npg-12-269-2005.

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Abstract. We present a review of recent analytical and numerical studies of the dynamics of electron and ion holes in a collisionless plasma. The new results are based on the class of analytic solutions which were found by Schamel more than three decades ago, and which here work as initial conditions to numerical simulations of the dynamics of ion and electron holes and their interaction with radiation and the background plasma. Our analytic and numerical studies reveal that ion holes in an electron-ion plasma can trap Langmuir waves, due the local electron density depletion associated with th

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Schamel, Hans. "Electron holes, ion holes and double layers." Physics Reports 140, no. 3 (1986): 161–91. http://dx.doi.org/10.1016/0370-1573(86)90043-8.

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HIRSCH, J. E. "WHY HOLES ARE NOT LIKE ELECTRONS III: HOW HOLES IN THE NORMAL STATE TURN INTO ELECTRONS IN THE SUPERCONDUCTING STATE." International Journal of Modern Physics B 23, no. 14 (2009): 3035–57. http://dx.doi.org/10.1142/s0217979209052765.

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In recent work, we discussed the difference between electrons and holes in energy band in solids from a many-particle point of view, originating in the electron–electron interaction,1 and from a single particle point of view, originating in the electron–ion interaction.2 We proposed that superconductivity in solids only occurs when the Fermi level is close to the top of a band (hole carriers), that it originates in "undressing" of carriers from both the electron–electron and the electron–ion interaction, and that as a consequence holes in the normal state behave like electrons in the supercond

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Jovanović, D., F. Califano, and F. Pegoraro. "Magnetized electron-whistler holes." Physics Letters A 303, no. 1 (2002): 52–60. http://dx.doi.org/10.1016/s0375-9601(02)01202-1.

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Luque, A., H. Schamel, and R. Fedele. "Quantum corrected electron holes." Physics Letters A 324, no. 2-3 (2004): 185–92. http://dx.doi.org/10.1016/j.physleta.2004.02.049.

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Muschietti, L., I. Roth, R. E. Ergun, and C. W. Carlson. "Analysis and simulation of BGK electron holes." Nonlinear Processes in Geophysics 6, no. 3/4 (1999): 211–19. http://dx.doi.org/10.5194/npg-6-211-1999.

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Abstract. Recent observations from satellites crossing regions of magnetic-field-aligned electron streams reveal solitary potential structures that move at speeds much greater than the ion acoustic/thermal velocity. The structures appear as positive potential pulses rapidly drifting along the magnetic field, and are electrostatic in their rest frame. We interpret them as BGK electron holes supported by a drifting population of trapped electrons. Using Laplace transforms, we analyse the behavior of one phase-space electron hole. The resulting potential shapes and electron distribution functions

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Chiu, Chih-Wei, Yue-Lin Chung, Cheng-Hsueh Yang, Chang-Ting Liu, and Chiun-Yan Lin. "Coulomb decay rates in monolayer doped graphene." RSC Advances 10, no. 4 (2020): 2337–46. http://dx.doi.org/10.1039/c9ra05953a.

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Gulyamov, G., A. G. Gulyamov, A. B. Davlatov, and Kh N. Juraev. "Energy Levels in Nanowires and Nanorods with a Finite Potential Well." Advances in Condensed Matter Physics 2020 (November 7, 2020): 1–12. http://dx.doi.org/10.1155/2020/4945080.

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The energy of electrons and holes in cylindrical quantum wires with a finite potential well was calculated by two methods. An analytical expression is approximately determined that allows one to calculate the energy of electrons and holes at the first discrete level in a cylindrical quantum wire. The electron energy was calculated by two methods for cylindrical layers of different radius. In the calculations, the nonparabolicity of the electron energy spectrum is taken into account. The dependence of the effective masses of electrons and holes on the radius of a quantum wires is determined. An

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Treumann, R. A., W. Baumjohann, and R. Pottelette. "Electron-cylotron maser radiation from electron holes: downward current region." Annales Geophysicae 30, no. 1 (2012): 119–30. http://dx.doi.org/10.5194/angeo-30-119-2012.

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Abstract. The electron-cyclotron maser emission theory from electron holes is applied to holes generated in the downward current region of the aurora. It is argued that the main background auroral kilometric radiation source may still be located in the upward current region electron-ring (horseshoe) distribution while the fine structure is caused by electron holes predominantly in the downward current region. There the existence of electron holes is well established and electron densities are high enough for substantial maser growth rates. Trapping of radiation by the holes provides strong amp

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Hirakata, Hiroyuki, Shigekazu Homma, Hiroki Noda, Shumpei Sakaguchi, and Takahiro Shimada. "Effects of excess electrons/holes on fracture toughness of single-crystal Si." Journal of Applied Physics 133, no. 3 (2023): 035101. http://dx.doi.org/10.1063/5.0123580.

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This study demonstrates that bond strength can be enhanced by injecting excess electrons or holes into a material by electron beam irradiation. To determine the effect of excess electrons/holes on the interatomic bond strength, fracture toughness tests were performed on single-crystal Si micropillars under various electron-beam irradiation conditions. The fracture toughness under electron beam irradiation was 4%–11% higher than that under non-irradiated conditions. In particular, an increase in strength was large in tests performed under hole-injection conditions. Furthermore, in first-princip

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Dissertationen zum Thema "Electron holes"

Ouahioune, Nedjma. "Čerenkov emission of whistler waves by electron holes." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-446395.

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Electron holes are positively charged nonlinear structures in which trapped electrons are supported by a positive electrostatic potential. These structure are regularly observed in space and laboratory plasmas by means of diverging bipolar electric field signatures. Recent observations and simulations have shown that fast moving electron holes can generate electromagnetic whistler waves via Čerenkov emission. The fast moving positive charge correspond to localised currents which can potentially excite waves. The aim of the project is to study both theoretically and numerically the properties l

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Zhou, Chuteng. "Computational and theoretical study of electron phase-space holes in kinetic plasma: kinematics, stability and ion coupling." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119039.

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Thesis: Ph. D. in Applied Plasma Physics, Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, 2018.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 181-191).<br>In this thesis, a comprehensive study of Bernstein-Greene-Kruskal (BGK) mode electron holes in a collisionless plasma where strong kinetic effects are important is presented. Kinematic theory based

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Reinsch, Andreas, and Andreas Reinsch. "Search for Colorful Quantum Black Holes Decaying to an Electron-Jet Final State with the ATLAS Experiment." Thesis, University of Oregon, 2012. http://hdl.handle.net/1794/12370.

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A search for quantum black holes with color charge decaying to one electron and one quark has been performed using data collected by the ATLAS Experiment at the Large Hadron Collider corresponding to 2.29 fb−1. No excess over the expected Standard Model interactions has been observed. Limits are set on the production cross section for events with one electron and one jet resulting from new physical phenomena. Models with a combined invariant mass of the electron and jet larger than or equal to 2.5TeV and a cross section above 2.6 fb are excluded at the 95% confidence level. This allows

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Bause, Marlon Luis. "Plasma density characteristics of magnetic holes near the Kronian magnetosphere boundary surfaces." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-414766.

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Localized structures of the magnetic field strength depression are often observed in the interplanetarymedium, and they are called ‘magnetic holes’ after the original work of Turner et al. 1977. A numberof observations of similar features have been reported, while the mechanisms of their origin have notfully understood yet. The scale size of their structures varies from several to a few thousand of the protongyro radii, and their characteristic orientations of the magnetic field also vary, and therefore differenttypes of the magnetic holes have been suggested. To date, the magnetic holes are c

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Petrov, Pavel. "Effect of Curvature Squared Corrections to Gravitational Action on Viscosity-to-Entropy Ratio of the Dual Gauge Theory." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10549.

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In this thesis we study the properties of strongly-coupled large-N conformal ﬁeld theories (CFT’s) using AdS/CFT correspondence. Chapter 1 serves as an introduction. In Chapter 2 we study the shear viscosity of strongly-coupled large-N conformal ﬁeld theories. We find that it is affected by \(R^2\) corrections to the AdS action and present an example of 4D theory in which the the conjectured universal lower bound on viscosity-to-entropy ratio \(\eta/s > 1/4 \pi\) is violated by 1/N corrections. This fact proves that there is no universal lower bound of \(1/4 \pi\) on viscosity-to-entropy ratio

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O'Regan, Brian C. "Dye sensitized n-p heterojunctions of titanium dioxide and copper thiocyanate, a new interface for photoinduced charge separation /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/8601.

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Zeybek, Orhan. "Surface studies of magnetic thin films." Thesis, University of Liverpool, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367247.

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Khalal, Mehdi Abdelbaki. "Photoionisation multiple des vapeurs métalliques Multi-electron coincidence spectroscopy: Triple Auger decay of Ar 2p and 2s holes 4d -inner-shell ionization of Xe+ ions and subsequent Auger decay." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS552.

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Ce travail de thèse porte sur l’étude expérimentale des processus de photoionisation multiple de vapeurs alcalines par rayonnement synchrotron. Je me suis intéressé particulièrement à la désexcitation par déclin Auger des atomes ionisés en couche interne. Le dispositif expérimental HERMES mis au point par l’équipe est un spectromètre par temps de vol de type bouteille magnétique qui permet de détecter en coïncidence tous les électrons émis lors du processus d’ionisation (photoélectrons) et de relaxation (électrons Auger). Une partie importante de ma thèse a été consacrée à l’améliorer pour per

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Shao, Fangwei Dougherty Dennis A. "DNA-mediated hole and electron transport /." Diss., Pasadena, Calif. : California Institute of Technology, 2008. http://resolver.caltech.edu/CaltechETD:etd-06282007-105808.

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Royo, Valls Miquel. "Theoretical modelling of electrons and holes in semiconductor nanostructures." Doctoral thesis, Universitat Jaume I, 2010. http://hdl.handle.net/10803/669140.

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En esta tesis se utiliza la aproximación de masa efectiva y función envolvente para estudiar teóricamente las propiedades optoelectrónicas de una gran variedad de nanoestructuras semiconductoras, muchas de las cuales son obtenibles en un laboratorio a día de hoy. El primer capítulo de la tesis se centra en el estudio de los efectos derivados de aplicar campos magnéticos externos sobre varias nanoestructuras formadas por anillos cuánticos: dos anillos acoplados lateralmente y verticalmente, y una red periódica bidimensional de anillos. El segundo capítulo constituye la parte más extensa e impor

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Bücher zum Thema "Electron holes"

Dobrovolʹskiĭ, V. N. Perenos ėlektronov i dyrok u poverkhnosti poluprovodnikov. Nauk. dumka, 1985.

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Gupta, Atam D. The electron-positron theory of the nucleus and the constructive role of black holes and of the neutrino and the antineutrino. A.D. Gupta, 1994.

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Norbury, John W. Symmetry considerations in the scattering of identical composite bodies. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.

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Isihara, Akira. Electron liquids. Springer-Verlag, 1993.

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Isihara, A. Electron liquids. 2nd ed. Springer, 1998.

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Isihara, Akira. Electron liquids. 2nd ed. Springer, 1998.

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Isihara, A. Electron liquids. Springer-Verlag, 1993.

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Sevortʹi︠a︡n, Anna. Shattering hopes: Post-election crackdown in Belarus. Human Rights Watch, 2011.

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Casati, Roberto. Holes and other superficialities. MIT Press, 1994.

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Administration, Bonneville Power. Lighting options for homes. Bonneville Power Administration, 1991.

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Buchteile zum Thema "Electron holes"

Cancio, Antonio C., C. Y. Fong, and J. S. Nelson. "A Quantum Monte Carlo Study of the Exchange-Correlation Hole in Silicon Atom and System-Averaged Correlation Holes of Second Row Atoms." In Electron Correlations and Materials Properties. Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4715-0_32.

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Ko, Y. K., and C. P. T. Groth. "On the Electron Temperature and Coronal Heating in the Fast Solar Wind Constrained by In-Situ Observations." In Coronal Holes and Solar Wind Acceleration. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9167-6_33.

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Lobo, Allen, and Vinod Kumar Sayal. "Strong Landau Damping of Electron Plasma Waves and Vortical Analysis of the Formed Electron Holes." In Springer Proceedings in Physics. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-66874-6_1.

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Chaudhuri, Reet. "Polarization-Induced 2D Electron and Holes in Undoped AlN/GaN/AlN Heterostructures." In Springer Theses. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-17199-4_4.

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Deschamps-Sonsino, Alexandra. "Everything Electric." In Smarter Homes. Apress, 2018. http://dx.doi.org/10.1007/978-1-4842-3363-4_1.

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Isihara, Akira. "Electron-Hole Liquids." In Electron Liquids. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-80392-5_5.

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Isihara, Akira. "Electron—Hole Liquids." In Electron Liquids. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-97303-1_5.

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Dugaev, Vitalii K., and Vladimir I. Litvinov. "Nonequilibrium Electrons and Holes." In Modern Semiconductor Physics and Device Applications. CRC Press, 2021. http://dx.doi.org/10.1201/9780429285929-13.

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Bechstedt, Friedhelm. "Electron-Hole Problem." In Springer Series in Solid-State Sciences. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-44593-8_19.

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de Cogan, Donard. "Electrons and Holes in Semiconductors." In Solid State Devices — A Quantum Physics Approach. Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4684-0621-4_5.

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Konferenzberichte zum Thema "Electron holes"

Jiang, Zhouhang, Yi Xiao, Milind Weling, et al. "On the Origin of Holes During Polarization Reset in Floating Body Ferroelectric FETs Towards Improving Switching Efficiency." In 2024 IEEE International Electron Devices Meeting (IEDM). IEEE, 2024. https://doi.org/10.1109/iedm50854.2024.10873452.

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Baba, Mohamed A., Bartlomiej Lemieszek, Mantas Sriubas, et al. "Femtosecond Laser Ablated blind-Holes by Different Micromachining Parameters in Solid Oxide Fuel Cells." In Frontiers in Optics. Optica Publishing Group, 2024. https://doi.org/10.1364/fio.2024.jtu5a.19.

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To meet expectations for sustainable technology, The efficacy of solid oxide fuel cell (SOFC) induced by femtosecond laser micromachining. A scanning electron microscope and impedance electrochemical spectroscopy assessed the SOFC. The structured cell performed 18 percent superior to the reference cell.

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Policht, Veronica R., Mattia Russo, Fang Liu, et al. "Time-Resolved Electron and Hole Transfer Dynamics in a TMD Heterostructure by Two-Dimensional Electronic Spectroscopy." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/up.2022.th4a.8.

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Photoexcited electrons and holes rapidly undergo spatial separation in transition metal dichalcogenide Heterostructures (HS) with Type II band alignment. Using Two-dimensional Electronic Spectroscopy, we simultaneously detect interlayer hole and electron transfer in a WS2/MoS2 HS with sub-100 fs timescales.

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Nurakhmetov, T. N., A. M. Zhunusbekov, A. Zh Kainarbay, et al. "Electron-hole trapping centers in uv-irradiated Na2SO4-Mnand K2SO4-Mn." In 8th International Congress on Energy Fluxes and Radiation Effects. Crossref, 2022. http://dx.doi.org/10.56761/efre2022.r1-p-016702.

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The nature of electron-hole trapping centers in Na2SO4-Mn and K2SO4-Mnferroelectric crystals was studied by spectroscopic methods. It is shown that several types of impurity electron-hole trapping centers are created in such crystals under electrons and holes are localized at brokenlattice sites near the Mn2+ impurity.

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Strohkendl, F. P., P. Tayebati, and R. W. Hellwarth. "A Comparative study of the photorefractive effect in Bi12SiO20 Crystals." In Photorefractive Materials. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/prm.1987.wb1.

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We perform beam-coupling and erasure experiments in four different nominally undoped Bi12SiO20 (BSO) crystals. We use the theory of electron-hole competition1,2 in photorefractive gratings to analyze our data. We determine the diffusion- lengths Ke−1, Kn−1 for electrons and holes, the ratio S of hole to electron absorption, the Debye screening wavevector ko, the total absorption coefficient and the quantum efficiency.

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Chan, Yuen-Chuen, and Kunio Tada. "Polarization Independent Optical Modulation with Tensile-Strained GaAs-InAIAs Quantum Wells grown on GaAs Substrate." In Photonics in Switching. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/ps.1993.pmb2.1.

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Large field-induced optical absorption and refractive index variations through the quantum confined Stark effect in quantum well structures have prompted the development of many high performance compact optical modulating devices1). However, several shortcomings are present and one of them is a strong polarization dependent characteristic in lattice-matched systems2). This is due to the fact that the dipole moments of electron-heavy/light hole transitions show a strong polarization dependence, such that while TE mode light, with the electric vector parallel to the quantum well layers, interact

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Kash, J. A., E. E. Mendez, and H. Morkoc. "Electric Field-induced Decrease of Exciton Lifetime in GaAs Quantum Wells." In Picosecond Electronics and Optoelectronics. Optica Publishing Group, 1985. http://dx.doi.org/10.1364/peo.1985.fa3.

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Previously1, it has been shown that c.w. photoluminescence (PL) at helium temperatures for excitons confined in quantum wells decreases sharply (i.e. is quenched) when an electric field is applied perpendicular to the layers. It was suggested there that the decrease might be due to spatial separation of the electrons and holes under the influence of the electric field. This separation would reduce the electron-hole spatial overlap, thus increasing the exciton radiative lifetime. In order to examine the luminescence quenching in more detail, we have measured the exciton PL decay directly.

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Osman, M. A., M. J. Kann, D. K. Ferry, and P. Lugli. "Monte Carlo Investigation of Hot Photoexcited Electron Relaxation in GaAs*." In Picosecond Electronics and Optoelectronics. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/peo.1987.thb3.

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Recently, several authers [1-3] have investigated the dynamics of electron-hole plasma generated by picosecond and sub-picosecond laser pulses in GaAs. In one of these experiments El 3 the electron-LO phonon dynamics was directly observed at 77 K by means of a pump-probe Raman scattering experiment using a 600 fs, 588nm laser pulse. They observed an increase in the LO phonon population at 2 ps, which was attributed to the phonons emitted during the cascade of electrons to edge of the band. We have investigated the cooling of carriers excited by a 588nm laser pulse using ensemble Monte Carlo ap

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Connolly, K. M., R. O. Grondin, S. M. El-Ghazaly, and R. P. Joshi. "Modeling of An Electro-Optically Probed Photoconductive Switching Experiment." In Picosecond Electronics and Optoelectronics. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/peo.1991.fb3.

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Photoconductive switching and electro-optic sampling provide a basis for generating and measuring electrical waveforms with subpicosecond risetimes [1]. The simplest structure, shown in Fig. 1, consists of a photoconductive switch and coplanar microstrip fabricated on a GaAs substrate. The switch is turned on by illuminating the gap with a laser pulse to generate electron-hole pairs. The electrons and holes then move according to the fields created by the bias voltage applied to one side of the gap, and induce a propagating wave on the microstrip structure.

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Capasso, Federico, J. Allam, A. Y. Cho, et al. "Impact Ionization across the band-edge discontinuity in superlattices and its applications to solid-state photomultipliers." In OSA Annual Meeting. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.tub7.

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We report the observation of a new avalanche phenomenon in superlattices. This effect is characterized by a large ratio of the multiplications for holes and electrons implying β ≫ α and is very different in nature from the previously studied band-edge discontinuity assisted ionization in quantum wells. The i region of our p+in+ structures, grown by MBE, consists of an undoped (n ≃1015 cm−3) Al0.48ln0.52As/Ga0.47ln0.53As superlattice. Six wafers with well and barrier thicknesses ranging from 100 to 470 Å and a number of periods varying from 20 to 50 were studied. In addition similar MBE structu

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Berichte der Organisationen zum Thema "Electron holes"

Richards, Robin. The Effect of Non-partisan Elections and Decentralisation on Local Government Performance. Institute of Development Studies (IDS), 2021. http://dx.doi.org/10.19088/k4d.2021.014.

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This rapid review focusses on whether there is international evidence on the role of non-partisan elections as a form of decentralised local government that improves performance of local government. The review provides examples of this from Sub-Saharan Africa and South Asia. There are two reported examples in Sub-Saharan Africa of non-partisan elections that delink candidates from political parties during election campaigns. The use of non-partisan elections to improve performance and democratic accountability at the level of government is not common, for example, in southern Africa all local

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Gossard, Arthur C., and Herbert Kroemer. Nanostructures for Enhanced Electron/Hole Conversion. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada495101.

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Reiss, Howard. Chemical-Like Behavior of Electrons and Holes in Polymeric Conductors. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada214496.

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Yates, John T., and Jr. Do Electrons or Holes Activate Molecular O2 on TiO2 Surfaces? Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada391269.

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Nordquist, Christopher Daniel, Michael Joseph Cich, Gregory Allen Vawter, Mark Steven Derzon, and Marino John Martinez. Novel detection methods for radiation-induced electron-hole pairs. Office of Scientific and Technical Information (OSTI), 2010. http://dx.doi.org/10.2172/1008121.

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Chen, X. M., and J. J. Quinn. Spatially Separated Electron-Hole Layers in Strong Magnetic Fields. Defense Technical Information Center, 1991. http://dx.doi.org/10.21236/ada264818.

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Lyo, Sungkwun Kenneth, Roberto G. Dunn, Michael Patrick Lilly, et al. LDRD final report on engineered superconductivity in electron-hole bilayers. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/921602.

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Davis, James C. Atomic scale studies of doped-hole distributions, self-organized electronic nano-domains, and electron-boson coupling in high Tc-cuprates. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1131043.

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Newton, M. D., and R. J. Cave. Molecular control of electron and hole transfer processes: Theory and applications. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/188546.

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Bocian, David F. Fundamental studies of energy-and hole/electron- transfer in hydroporphyrin architectures. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1150022.

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