Articles de revues : « Electron-component »

1

Dubas, L. G. « Single-component relativistic electron flux ». Technical Physics Letters 32, n^o 6 (juin 2006) : 527–28. http://dx.doi.org/10.1134/s106378500606023x.

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2

Syrovoi, V. A. « Theory of single-component electron beams ». Radiophysics and Quantum Electronics 33, n^o 6 (juin 1990) : 546–53. http://dx.doi.org/10.1007/bf01037861.

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3

Grimme, Stefan, Lars Goerigk et Reinhold F. Fink. « Spin-component-scaled electron correlation methods ». Wiley Interdisciplinary Reviews : Computational Molecular Science 2, n^o 6 (22 juin 2012) : 886–906. http://dx.doi.org/10.1002/wcms.1110.

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4

Bharuthram, R., S. S. Misthry et M. Y. Yu. « Electron acoustic surface waves in a two‐electron component plasma ». Physics of Fluids B : Plasma Physics 5, n^o 12 (décembre 1993) : 4502–4. http://dx.doi.org/10.1063/1.860567.

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5

McKENZIE, J. F. « Electron acoustic–Langmuir solitons in a two-component electron plasma ». Journal of Plasma Physics 69, n^o 3 (avril 2003) : 199–210. http://dx.doi.org/10.1017/s002237780300206x.

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We investigate the conditions under which ‘high-frequency’ electron acoustic–Langmuir solitons can be constructed in a plasma consisting of protons and two electron populations: one ‘cold’ and the other ‘hot’. Conservation of total momentum can be cast as a structure equation either for the ‘cold’ or ‘hot’ electron flow speed in a stationary wave using the Bernoulli energy equations for each species. The linearized version of the governing equations gives the dispersion equation for the stationary waves of the system, from which follows the necessary – but not sufficient – conditions for the existence of soliton structures; namely that the wave speed must be less than the acoustic speed of the ‘hot’ electron component and greater than the low-frequency compound acoustic speed of the two electron populations. In this wave speed regime linear waves are ‘evanescent’, giving rise to the exponential growth or decay, which readily can give rise to non-linear effects that may balance dispersion and allow soliton formation. In general the ‘hot’ component must be more abundant than the ‘cold’ one and the wave is characterized by a compression of the ‘cold’ component and an expansion in the ‘hot’ component necessitating a potential dip. Both components are driven towards their sonic points; the ‘cold’ from above and the ‘hot’ from below. It is this transonic feature which limits the amplitude of the soliton. If the ‘hot’ component is not sufficiently abundant the window for soliton formation shrinks to a narrow speed regime which is quasi-transonic relative to the ‘hot’ electron acoustic speed, and it is shown that smooth solitons cannot be constructed. In the special case of a very cold electron population (i.e. ‘highly supersonic’) and the other population being very hot (i.e. ‘highly subsonic’) with adiabatic index 2, the structure equation simplifies and can be integrated in terms of elementary transcendental functions that provide the fully non-linear counterpart to the weakly non-linear sech$^{2}$-type solitons. In this case the limiting soliton is comprised of an infinite compression in the cold component, a weak rarefaction in the ‘hot’ electrons and a modest potential dip.

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6

Mace, R. L., S. Baboolal, R. Bharuthram et M. A. Hellberg. « Arbitrary-amplitude electron-acoustic solitons in a two-electron-component plasma ». Journal of Plasma Physics 45, n^o 3 (juin 1991) : 323–38. http://dx.doi.org/10.1017/s0022377800015749.

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Motivated by plasma and wave measurements in the cusp auroral region, we have investigated electron-acoustic solitons in a plasma consisting of fluid ions, a cool fluid electron and a hot Boltzmann electron component. A recently described method of integrating the full nonlinear fluid equations as an initial-value problem is used to construct electron-acoustic solitons of arbitrary amplitude. Using the reductive perturbation technique, a Korteweg-de Vries equation, which includes the effects of finite cool-electron and ion temperatures, is derived, and results are compared with the full theory. Both theories admit rarefactive soliton solutions only. The solitons are found to propagate at speeds greater than the electron sound speed (ε0c/ε0ε)½υε, and their profiles are independent of ion parameters. It is found that the KdV theory is not a good approximation for intermediate-strength solitons. Nor does it exhibit the fact that the cool- to hot-electron temperature ratio restricts the parameter range over which electron-acoustic solitons may exist, as found in the arbitrary-amplitude calculations.

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7

Khrapak, S. A., et G. Morfill. « Waves in two component electron-dust plasma ». Physics of Plasmas 8, n^o 6 (juin 2001) : 2629–34. http://dx.doi.org/10.1063/1.1370061.

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8

Jiang, N., et J. Silcox. « Electron Irradiation Damage in Multi-Component Glasses ». Microscopy and Microanalysis 6, S2 (août 2000) : 390–91. http://dx.doi.org/10.1017/s1431927600034449.

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Understanding electron beam induced damage in glasses, especially in multi-component glasses, is very important, since the interaction of electron probes with glass is a very common approach to determine glass composition and structure. For example, the decay of characteristic X-ray and Auger electron intensities, using electron beams as probes, of alkalis in glasses have been known for years. In addition, both phase separation and formation of gas bubbles in the glasses have also been reported. Many irradiation effects are strongly dependent on the structure, bonding and composition of matter. In general, three types of mechanisms, knock-on damage, ionization and field-induced migration have been introduced to describe the damage induced by electron irradiation. Here, we demonstrate electron irradiation induced phase decomposition in a multi-component oxide glass, and introduce a modified model to interpret the damage process.

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9

Danehkar, Ashkbiz, Nareshpal Singh Saini, Manfred A. Hellberg et Ioannis Kourakis. « Electron-acoustic solitary waves in the presence of a suprathermal electron component ». Physics of Plasmas 18, n^o 7 (juillet 2011) : 072902. http://dx.doi.org/10.1063/1.3606365.

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10

Mbuli, L. N., S. K. Maharaj, R. Bharuthram, S. V. Singh et G. S. Lakhina. « Arbitrary amplitude fast electron-acoustic solitons in three-electron component space plasmas ». Physics of Plasmas 23, n^o 6 (juin 2016) : 062302. http://dx.doi.org/10.1063/1.4952637.

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11

Malac, M., D. Homeniuk, M. Kamal, J. Kim, M. Salomons, M. Hayashida, J. A. Marin-Calzada, D. Vick, D. Price et R. F. Egerton. « NanoMi : An Open Source Electron Microscope Component Integration ». Microscopy and Microanalysis 28, S1 (22 juillet 2022) : 3164–65. http://dx.doi.org/10.1017/s1431927622011746.

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12

Chvetsov, Alexei V., et George A. Sandison. « Reconstruction of electron spectra using singular component decomposition ». Medical Physics 29, n^o 4 (21 mars 2002) : 578–91. http://dx.doi.org/10.1118/1.1461840.

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13

Shakhmin, A. L., et S. V. Murashov. « Electron structure of three-component lead-silicate glasses ». Technical Physics Letters 26, n^o 3 (mars 2000) : 208–10. http://dx.doi.org/10.1134/1.1262793.

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14

Eggeman, Alex, Duncan Johnstone, Robert Krakow, Jing Hu, Sergio Lozano-Perez, Chris Grosvenor et Paul Midgley. « Decomposing electron diffraction signals from multi-component microstructures ». Acta Crystallographica Section A Foundations and Advances 71, a1 (23 août 2015) : s52. http://dx.doi.org/10.1107/s2053273315099209.

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15

Eggeman, Alexander S., Duncan Johnstone, Robert Krakow, Jing Hu, Sergio Lozano-Perez, Chris Grovenor et Paul A. Midgley. « Decomposing Electron Diffraction Signals in Multi-Component Microstructures ». Microscopy and Microanalysis 21, S3 (août 2015) : 1241–42. http://dx.doi.org/10.1017/s1431927615006996.

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16

Manos, D. M., J. L. Cecchi, C. W. Cheah et H. F. Dylla. « Diagnostics of low temperature plasmas : The electron component ». Thin Solid Films 195, n^o 1-2 (janvier 1991) : 319–36. http://dx.doi.org/10.1016/0040-6090(91)90283-4.

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17

Jung, Young-Dae. « Elastic Electron–Ion Collisions in Two-Component Plasmas ». Physica Scripta 64, n^o 6 (1 janvier 2001) : 596–98. http://dx.doi.org/10.1238/physica.regular.064a00596.

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18

Seino, Junji, et Masahiko Hada. « Examination of accuracy of electron–electron Coulomb interactions in two-component relativistic methods ». Chemical Physics Letters 461, n^o 4-6 (août 2008) : 327–31. http://dx.doi.org/10.1016/j.cplett.2008.07.009.

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19

McQuillan, P., et K. G. McClements. « The unstable modes of a two-component electron plasma ». Journal of Plasma Physics 40, n^o 3 (décembre 1988) : 493–503. http://dx.doi.org/10.1017/s0022377800013465.

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In this paper we investigate the linear generation of electrostatic waves in a homogeneous, collisionless, unmagnetized plasma with two Maxwellian electron components, one drifting with respect to the other. The ions are assumed to be infinitely massive. It is shown that such a system may be unstable to a beam mode rather than the well-known Langmuir mode, if the drifting electron component is sufficiently dense and has a sufficiently low temperature. This ‘electron-beam instability’ is driven by the free energy in the particle distribution, and the associated phase velocity is greater than the electron thermal speed. The dispersion characteristics of the electron-beam instability and the Langmuir instability at the critical drift velocity for wave growth are determined for a wide range of parameters. The results of our investigation are applied to electron beams producing hard X-ray emission in solar flares, and it is argued that such beams may be unstable to the generation of electrostatic waves at frequencies below the electron plasma frequency.

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20

Gumbs, Godfrey. « Correlation energy of a one-component layered electron gas ». Physical Review B 40, n^o 8 (15 septembre 1989) : 5788–91. http://dx.doi.org/10.1103/physrevb.40.5788.

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21

Kissick, M. W., J. D. Callen, E. D. Fredrickson, A. C. Janos et G. Taylor. « Non-local component of electron heat transport in TFTR ». Nuclear Fusion 36, n^o 12 (décembre 1996) : 1691–701. http://dx.doi.org/10.1088/0029-5515/36/12/i09.

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22

Kissick, M. W., J. D. Callen, E. D. Fredrickson, A. C. Janos et G. Taylor. « Non-local component of electron heat transport in TFTR ». Nuclear Fusion 37, n^o 4 (avril 1997) : 568. http://dx.doi.org/10.1088/0029-5515/37/4/515.

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23

Turner, N. H., J. H. Wandass et F. L. Hutson. « Principal component analysis with integral Auger electron spectroscopy spectra ». Journal of Vacuum Science & ; Technology A : Vacuum, Surfaces, and Films 8, n^o 6 (novembre 1990) : 4033–38. http://dx.doi.org/10.1116/1.576472.

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24

Donkó, Z., B. Nyíri, L. Szalai et S. Holló. « Thermal Conductivity of the Classical Electron One-Component Plasma ». Physical Review Letters 81, n^o 8 (24 août 1998) : 1622–25. http://dx.doi.org/10.1103/physrevlett.81.1622.

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25

Kühn, Michael, et Florian Weigend. « One-Electron Energies from the Two-Component GW Method ». Journal of Chemical Theory and Computation 11, n^o 3 (23 février 2015) : 969–79. http://dx.doi.org/10.1021/ct501069b.

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26

Tian, Shi-Ling, Rong-An Tang et Ju-Kui Xue. « Waves in a bounded two component electron-dust plasma ». Physics of Plasmas 15, n^o 4 (2008) : 043703. http://dx.doi.org/10.1063/1.2906219.

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27

Zhou, A. Z., J. Y. Tan, A. Esamdin et X. J. Wu. « Two-component scattering model and the electron density spectrum ». Astrophysics and Space Science 325, n^o 2 (5 novembre 2009) : 241–49. http://dx.doi.org/10.1007/s10509-009-0182-8.

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28

Loskutov, S. V. « On the structural component of the electron work function ». Russian Physics Journal 49, n^o 8 (août 2006) : 882–84. http://dx.doi.org/10.1007/s11182-006-0191-9.

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29

Winkler, R., F. Sigeneger et D. Uhrlandt. « Nonlocal behaviour of the electron component in nonequilibrium plasmas ». Pure and Applied Chemistry 68, n^o 5 (1 janvier 1996) : 1065–70. http://dx.doi.org/10.1351/pac199668051065.

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30

Singh, Jogender, et Douglas E. Wolfe. « Nanostructured Component Fabrication by Electron Beam-Physical Vapor Deposition ». Journal of Materials Engineering and Performance 14, n^o 4 (1 août 2005) : 448–59. http://dx.doi.org/10.1361/105994905x56223.

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31

Rompuy, T. Van, J. P. Gunn, R. Dejarnac, J. Stöckel et G. Van Oost. « Sensitivity of electron temperature measurements with the tunnel probe to a fast electron component ». Plasma Physics and Controlled Fusion 49, n^o 5 (26 mars 2007) : 619–29. http://dx.doi.org/10.1088/0741-3335/49/5/004.

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32

Salter, E. A., et A. Wierzbicki. « The response electron–electron repulsion energy and energy component analysis in CC/MBPT methods ». Structural Chemistry 27, n^o 5 (14 juin 2016) : 1501–9. http://dx.doi.org/10.1007/s11224-016-0775-0.

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33

Autschbach, J., et W. H. E. Schwarz. « Relativistic electron densities in the four-component Dirac representation and in the two-component picture ». Theoretical Chemistry Accounts : Theory, Computation, and Modeling (Theoretica Chimica Acta) 104, n^o 1 (12 mai 2000) : 82–88. http://dx.doi.org/10.1007/s002149900108.

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34

Morris, Wesley D., et James M. Mayer. « Separating Proton and Electron Transfer Effects in Three-Component Concerted Proton-Coupled Electron Transfer Reactions ». Journal of the American Chemical Society 139, n^o 30 (21 juillet 2017) : 10312–19. http://dx.doi.org/10.1021/jacs.7b03562.

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35

El-Khatib, E. E., J. Scrimger et B. Murray. « Reduction of the Bremsstrahlung component of clinical electron beams : implications for electron arc therapy and total skin electron irradiation ». Physics in Medicine and Biology 36, n^o 1 (1 janvier 1991) : 111–18. http://dx.doi.org/10.1088/0031-9155/36/1/010.

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36

Gary, S. Peter, Kaijun Liu, Richard E. Denton et Shuo Wu. « Whistler anisotropy instability with a cold electron component : Linear theory ». Journal of Geophysical Research : Space Physics 117, A7 (juillet 2012) : n/a. http://dx.doi.org/10.1029/2012ja017631.

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37

Shegelski, Mark R. A., et D. J. W. Geldart. « Plasmons in disordered, two-component, quasi-two-dimensional electron systems ». Physical Review B 40, n^o 6 (15 août 1989) : 3647–51. http://dx.doi.org/10.1103/physrevb.40.3647.

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38

Walter, Daniel G., Dean J. Campbell et Chad A. Mirkin. « Photon-Gated Electron Transfer in Two-Component Self-Assembled Monolayers ». Journal of Physical Chemistry B 103, n^o 3 (janvier 1999) : 402–5. http://dx.doi.org/10.1021/jp983460b.

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39

Micnas, R., S. Robaszkiewicz et A. Bussmann-Holder. « Superconductivity in a Two-Component Model with Local Electron Pairs ». Journal of Superconductivity 17, n^o 1 (février 2004) : 27–32. http://dx.doi.org/10.1023/b:josc.0000011835.35408.f3.

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40

Terry, P. W., et R. Gatto. « Nonlinear inward particle flux component in trapped electron mode turbulence ». Physics of Plasmas 13, n^o 6 (juin 2006) : 062309. http://dx.doi.org/10.1063/1.2212403.

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41

Barabanov, A. L., et O. A. Titov. « Possible Sources of Electron Neutrinos with a Modulated Monochromatic Component ». Physics of Atomic Nuclei 80, n^o 6 (novembre 2017) : 1181–88. http://dx.doi.org/10.1134/s1063778817060060.

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42

Liang, Alexandria Deliz, et Stephen J. Lippard. « Component Interactions and Electron Transfer in Toluene/o-Xylene Monooxygenase ». Biochemistry 53, n^o 47 (17 novembre 2014) : 7368–75. http://dx.doi.org/10.1021/bi500892n.

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43

Vignale, G. « Acoustic plasmons in a two-dimensional, two-component electron liquid ». Physical Review B 38, n^o 1 (1 juillet 1988) : 811–14. http://dx.doi.org/10.1103/physrevb.38.811.

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44

Chattopadhyay, Indranil, Santabrata Das et Sandip K. Chakrabarti. « Radiatively driven electron-positron jets from two-component accretion flows ». Monthly Notices of the Royal Astronomical Society 348, n^o 3 (mars 2004) : 846–56. http://dx.doi.org/10.1111/j.1365-2966.2004.07398.x.

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45

Yamaguchi, Shigehiro, et Atsushi Wakamiya. « Boron as a key component for new π-electron materials ». Pure and Applied Chemistry 78, n^o 7 (1 janvier 2006) : 1413–24. http://dx.doi.org/10.1351/pac200678071413.

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For the molecular design of new π-electron materials, the incorporation of main group elements into the π-conjugated frameworks is a powerful approach to modifying the nature of the parent π-conjugated systems. In particular, the group 13 boron is of interest, since the boron element has several characteristic features, such as an effective orbital interaction with the π-conjugated frameworks through the vacant p-orbital (i.e., pπ-π* conjugation), high Lewis acidity, and trigonal planar geometry. By exploiting these features of the boron atom, we have designed and synthesized several types of new π-electron materials, including trianthrylborane- or dibenzoborole-based π-conjugated systems as a new fluoride ion sensor, boryl-substituted thienylthiazole as a new building unit for electron-transporting materials, and B,B',B''-trianthrylborazine (B3N3)-based materials as a model of the bundled system of π-conjugated frameworks.

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46

Rokhlenko, Alexander V. « Electron component of a plasma in a homogeneous electric field ». Physical Review A 43, n^o 8 (1 avril 1991) : 4438–51. http://dx.doi.org/10.1103/physreva.43.4438.

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47

Varma, C. M., et A. Zawadowski. « Scaling in an interacting two-component (valence-fluctuation) electron gas ». Physical Review B 32, n^o 11 (1 décembre 1985) : 7399–407. http://dx.doi.org/10.1103/physrevb.32.7399.

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48

Alekseev P. S. « Viscous flow of two-component electron fluid in magnetic field ». Semiconductors 56, n^o 9 (2022) : 650. http://dx.doi.org/10.21883/sc.2022.09.54130.9931.

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In pure conductors with a low density of defects, frequent electron-electron collisions can lead to the formation of a viscous fluid consisting of conduction electrons. In this work, is studied magnetotransport in a viscous fluid consisting of two types of electrons, for which some of their parameters are different. The difference between such system and the one-component electron fluid is as follows. The scattering of electrons with their transitions from one component to another can lead to an imbalance in flows and concentrations, which affects the flow as a whole. In this work, the balance transport equations for such a system are constructed and solved for the case of a long sample with rough edges. The equation for the flow of the unbalance value towards the edges contains the bulk viscosity term. It is shown that in sufficiently wide samples, the transformation of particles into each other during scattering leads to the formation of a single viscous fluid flowing as a whole, while in narrow samples the two components flow as two independent fluids. The width of the sample at which this transition occurs is determined by the internal parameters of the fluid and the magnitude of magnetic field. The distributions of the flow of the fluid components over a sample cross section and the magnetoresistance of a sample are calculated. The latter turns out to be positive and saturating, corresponding to the transition with increasing of magnetic field from independent Poiseuille flows of the two components to the Poiseuille flow of a uniform fluid. Keywords: electron fluid, viscosity, two-component system, nanostructures, magnetoresistance.

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49

Tang, J., et J. R. Norris. « On superexchange electron-transfer coupling for a three-component system ». Chemical Physics 175, n^o 2-3 (septembre 1993) : 337–42. http://dx.doi.org/10.1016/0301-0104(93)85162-2.

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50

Denisov, K. S., K. A. Baryshnikov et P. S. Alekseev. « Memory Effects in the Magnetoresistance of Two-Component Electron Systems ». JETP Letters 118, n^o 2 (juillet 2023) : 123–29. http://dx.doi.org/10.1134/s0021364023601860.

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