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“Proximity effect and Josephson current in clean strong/weak/strong superconducting trilayers”. Covaci L, Marsiglio F, Physical Review B 73, 014503 (2006). http://doi.org/10.1103/PhysRevB.73.014503
Abstract: Recent measurements of the Josephson critical current through LSCO/LCO/LSCO thin films showed an unusually large proximity effect. Using the Bogoliubov-de Gennes equations for a tight-binding Hamiltonian we describe the proximity effect in weak links between a superconductor with critical temperature T-c and one with critical temperature T-c('), where T-c > T-c('). The weak link (N-') is therefore a superconductor above its own critical temperature and the superconducting regions are considered to have either s-wave or d-wave symmetry. We note that the proximity effect is enhanced due to the presence of superconducting correlations in the weak link. The dc Josephson current is calculated, and we obtain a nonzero value for temperatures greater than T-c(') for sizes of the weak links that can be almost an order of magnitude greater than the conventional coherence length. Considering pockets of superconductivity in the N-' layer, we show that this can lead to an even larger effect on the Josephson critical current by effectively shortening the weak link.
Keywords: A1 Journal article
Impact Factor: 3.836
Times cited: 31
DOI: 10.1103/PhysRevB.73.014503
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“Emerging nonequilibrium bound state in spin-current–local-spin scattering”. Doğan F, Covaci L, Kim W, Marsiglio F, Physical Review B 80, 104434 (2009). http://doi.org/10.1103/PhysRevB.80.104434
Abstract: Magnetization reversal is a well-studied problem with obvious applicability in computer hard drives. One can accomplish a magnetization reversal in at least one of two ways: application of a magnetic field or through a spin current. The latter is more amenable to a fully quantum-mechanical analysis. We formulate and solve the problem whereby a spin current interacts with a ferromagnetic Heisenberg spin chain, to eventually reverse the magnetization of the chain. Spin flips are accomplished through both elastic and inelastic scattering. A consequence of the inelastic-scattering channel, when it is no longer energetically possible, is the occurrence of a nonequilibrium bound state, which is an emergent property of the coupled local plus itinerant spin system. For certain definite parameter values the itinerant spin lingers near the local spins for some time, before eventually leaking out as an outwardly diffusing state. This phenomenon results in spin-flip dynamics and filtering properties for this type of system.
Keywords: A1 Journal article
Impact Factor: 3.836
DOI: 10.1103/PhysRevB.80.104434
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“Impurity scattering of wave packets on a lattice”. Kim W, Covaci L, Marsiglio F, Physical Review B 74, 205120 (2006). http://doi.org/10.1103/PhysRevB.74.205120
Abstract: Quantum transport in a lattice is distinct from its counterpart in continuum media. Even a free wave packet travels differently in a lattice than in the continuum. We describe quantum scattering in a one-dimensional lattice and illustrate characteristics of quantum transport such as resonant transmission. In particular we examine the transport characteristics of a random trimer model. We demonstrate the real-time propagation of a wave packet and its phase shift due to impurity configurations. Spin-flip scattering is also taken into account in a spin-chain system. We show how individual spins in the chain evolve as a result of a spin-flip interaction between an incoming electron and a spin chain.
Keywords: A1 Journal article
Impact Factor: 3.836
Times cited: 14
DOI: 10.1103/PhysRevB.74.205120
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“Hidden symmetries of electronic transport in a disordered one-dimensional lattice”. Kim W, Covaci L, Marsiglio F, Physical Review B 73, 195109 (2006). http://doi.org/10.1103/PhysRevB.73.195109
Abstract: Correlated, or extended, impurities play an important role in the transport properties of dirty metals. Here, we examine, in the framework of a tight-binding lattice, the transmission of a single electron through an array of correlated impurities. In particular we show that particles transmit through an impurity array in identical fashion, regardless of the direction of traversal. The demonstration of this fact is straightforward in the continuum limit, but requires a detailed proof for the discrete lattice. We also briefly demonstrate and discuss the time evolution of these scattering states, to delineate regions (in time and space) where the aforementioned symmetry is violated.
Keywords: A1 Journal article
Impact Factor: 3.836
Times cited: 5
DOI: 10.1103/PhysRevB.73.195109
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“Critical currents of the phase slip process in the presence of electromagnetic radiation : rectification for time asymmetric ac signal”. Vodolazov DY, Elmuradov A, Peeters FM, Physical review : B : condensed matter and materials physics 72, 134509 (2005). http://doi.org/10.1103/PhysRevB.72.064509
Abstract: We studied theoretically the effect of time symmetric and asymmetric electromagnetic (e.m.) radiation on the phase-slip process in superconducting wires in the regime where there is no stimulation of superconductivity. We found that for large amplitudes j(ac) of the symmetric ac signal the value of the lower critical current j(c1)(j(ac)) at which the voltage vanishes in the sample oscillates as a function of j(ac). The amplitude of these oscillations decays with increasing power of the ac signal, and we explain it either by the existence of a maximal current j(c3) beyond which no phase slips can be created or by a weak heat removal from the sample. Applying an asymmetric in time signal (with zero dc current) we show that it may lead to a finite voltage in the system (i.e., ratchet effect). At high enough frequencies the rectified voltage is directly proportional to the frequency of the applied e.m. radiation. These properties resemble in many aspects the behavior of a Josephson junction under e.m. radiation. The differences are mainly connected to the effect of the transport current on the magnitude of the order parameter.
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.836
Times cited: 35
DOI: 10.1103/PhysRevB.72.064509
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“Magnetotransport in a pseudomorhic GaAs/Ga0.8In0.2As/Ga0.75Al0.25As heterostructure with a Si δ-doping layer”. van der Burgt M, Karavolas VC, Peeters FM, Singleton J, Nicholas RJ, Herlach F, Harris JJ, van Hove M, Borghs G, Physical review : B : condensed matter and materials physics 52, 12218 (1995)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.736
Times cited: 35
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“Electron mobility in two coupled &delta, layers”. Hai GQ, Studart N, Peeters FM, Physical review : B : condensed matter and materials physics 52, 11273 (1995)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.736
Times cited: 24
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“Multisubband electron transport in δ-doped semiconductor systems”. Hai GQ, Studart N, Peeters FM, Physical review : B : condensed matter and materials physics 52, 8363 (1995)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.736
Times cited: 65
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“Reply to “Comment on 'Oscillator strength and sum rule for intersubband transitions in a superlattice'””. Peeters FM, Matulis A, Physical review : B : condensed matter and materials physics 51, 7932 (1995)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.736
Times cited: 1
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“Spectral properties of classical two-dimensional clusters”. Schweigert VA, Peeters FM, Physical review : B : condensed matter and materials physics 51, 7700 (1995)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.736
Times cited: 237
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“Composite fermions in tilded magnetic fields and the effect of the confining potential width on the composite fermion effective mass”. Gee PJ, Peeters FM, Singleton J, Uji S, Aoki H, Foxon CTB, Harris JJ, Physical review : B : condensed matter and materials physics 54, R14313 (1996)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.736
Times cited: 15
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“D- centers probed by resonant tunneling spectroscopy”. Lok JGS, Geim AK, Maan JC, Marmorkos I, Peeters FM, Mori N, Eaves L, Forster TJ, Main PC, Sakai JW, Henini M, Physical review : B : condensed matter and materials physics 53, 9554 (1996)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.736
Times cited: 40
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“Electronic structure, screening and charging effects at a metal/organic tunneling junction: a first principles study”. Lamoen D, Ballone P, Parrinello M, Physical review B 54, 5097 (1996)
Keywords: A1 Journal article; Electron Microscopy for Materials Science (EMAT);
Impact Factor: 3.736
Times cited: 33
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“Monoclinic microdomains and clustering in the colossal magnetoresistance manganites Pr0.7Ca0.25Sr0.05MnO3 and Pr0.75Sr0.25MnO3”. Hervieu M, Van Tendeloo G, Caignaert V, Maignan A, Raveau B, Physical review : B : condensed matter and materials physics 53, 14274 (1996)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.736
Times cited: 75
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“Classical transport of electrons through magnetic barriers”. Ibrahim IS, Schweigert VA, Peeters FM, Physical review : B : condensed matter and materials physics 56, 7508 (1997)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.836
Times cited: 55
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“Electron mobility in Si δ-doped GaAs with spatial correlations in the distribution of charged impurities”. Shi JM, Koenraad PM, van de Stadt AFW, Peeters FM, Farias GA, Devreese JT, Wolter JH, Wilamowski Z, Physical review : B : condensed matter and materials physics 55, 13093 (1997)
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 3.836
Times cited: 17
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“Magneto-phonon resonance in the energy relaxation of electrons in a quantum well”. Wu XG, Peeters FM, Physical review : B : condensed matter and materials physics 55, 9333 (1997)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.836
Times cited: 12
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“Cyclotron resonance mass of two-dimensional electrons in GaN/AlGaN heterostructures”. Wu XG, Peeters FM, Physical review : B : condensed matter and materials physics 55, 15438 (1997)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.836
Times cited: 28
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“Polaron impurity states on a liquid helium film”. Farias GA, Peeters FM, Physical review : B : condensed matter and materials physics 55, 3763 (1997)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.836
Times cited: 8
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“Remote and spatially separated D- centers in quasi-two-dimensional semiconductor structures”. Marmorkos IK, Schweigert VA, Peeters FM, Physical review : B : condensed matter and materials physics 55, 5065 (1997)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.836
Times cited: 41
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“133Xe(Cs) Mössbauer measurements on Ar, Ne, Kr, Xe, Rb, and Cs inclusions in W and Mo”. Milants K, Hendrickx P, Verheyden J, Barancira T, Deweerd W, Pattyn H, Bukshpan S, Vermeiren F, Van Tendeloo G, Physical review : B : condensed matter and materials physics 55, 2831 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.836
Times cited: 2
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“Molecular beam epitaxy and microstructural study of La2-xSr1+xCu2O6+y thin films”. Verbist K, Milat O, Van Tendeloo G, Arrouy F, Williams EJ, Rossel C, Machler E, Locquet J-P, Physical review : B : condensed matter and materials physics 56, 853 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.836
Times cited: 2
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“Superconducting mesoscopic square loop”. Fomin VM, Misko VR, Devreese JT, Moshchalkov VV, Physical Review B 58, 11703 (1998). http://doi.org/10.1103/PhysRevB.58.11703
Keywords: A1 Journal article; Electron Microscopy for Materials Science (EMAT);
Impact Factor: 3.836
Times cited: 43
DOI: 10.1103/PhysRevB.58.11703
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“Stability criterion for large bipolarons in a polaron-gas background”. Smondyrev MA, Shanenko AA, Devreese JT, Physical review : B : condensed matter and materials physics 63, 024302 (2001)
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 3.836
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“Strong enhancement of superconductivity in a nanosized Pb bridge”. Misko VR, Fomin VM, Devreese JT, Physical Review B 64, 014517 (2001). http://doi.org/10.1103/PhysRevB.64.014517
Keywords: A1 Journal article; Electron Microscopy for Materials Science (EMAT);
Impact Factor: 3.836
Times cited: 28
DOI: 10.1103/PhysRevB.64.014517
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“Self consistent nonlocal linear-response theory of a relativistic electron gas”. Leys FE, March NH, Angilella GGN, Lamoen D, Physical Review B 67, 113105 (2003). http://doi.org/10.1103/PhysRevB.67.113105
Keywords: A1 Journal article; Electron Microscopy for Materials Science (EMAT);
Impact Factor: 3.836
DOI: 10.1103/PhysRevB.67.113105
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“High pressure limiting forms of the zero-temperature equations of state of Ta and Pu from relativistic Thomas-Fermi theory”. Leys FE, March NH, Lamoen D, Physical Review B 67, 064109 (2003). http://doi.org/10.1103/PhysRevB.67.064109
Keywords: A1 Journal article; Electron Microscopy for Materials Science (EMAT);
Impact Factor: 3.836
Times cited: 1
DOI: 10.1103/PhysRevB.67.064109
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“Neutron-scattering and electron microscopy studies of premartensitic phenomena in NixAl100-x alloys”. Shapiro SM, Yang BX, Noda Y, Tanner LE, Schryvers D, Physical review : B : condensed matter and materials physics 44, 9301 (1991)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.736
Times cited: 123
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“First-principles calculations of 002 structure factors for electron scattering in strained InxGa1-xAs”. Rosenauer A, Schowalter M, Glas F, Lamoen D, Physical Review B 72, 1 (2005). http://doi.org/10.1103/PhysRevB.72.085326
Abstract: This work provides values of electron scattering 002 structure factors for InxGa1-xAs as a function of the In concentration x=0 to 1. These results allow accurate compositional analysis of pseudomorphically grown InxGa1-xAs/GaAs layers by transmission electron microscopy methods relying on the chemical sensitivity of the (002) beam. The calculations go beyond the limits of the isolated atom approximation, because they take into account charge redistribution effects between atomic sites in the crystal, strain, and static atomic displacements. The computations were performed by the full potential linearized augmented plane-wave method using a generalized gradient approximation for the exchange and correlation part of the potential. The calculations of strained InxGa1-xAs correspond to the strain state in specimens with large, small, and intermediate thickness in the electron beam direction. Additionally, the effect of static atomic displacements is taken into account. All results are listed in a parameterized form. The calculated 002 structure factor vanishes at an In concentration of 16.4%. This value is in a good agreement with previously reported experimental measurements. Hence, our results are a significant improvement with respect to the isolated atom approximation which is conventionally applied in transmission electron microscopy simulations, and which predicts a value of 22.5%.
Keywords: A1 Journal article; Electron Microscopy for Materials Science (EMAT);
Impact Factor: 3.836
Times cited: 42
DOI: 10.1103/PhysRevB.72.085326
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“Magnetopolaron effect on shallow donors in GaAs”. Cheng J-P, McCombe BD, Shi JM, Peeters FM, Devreese JT, Physical review : B : condensed matter and materials physics 48, 7910 (1993)
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 3.736
Times cited: 46
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