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The photon analysis, delivery, and reduction system at the FERMI@Elettra free electron laser user facilityemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
We report the layout of the photon ... [Rev. Sci. Instrum. 80, 113110 (2009)] published Fri Nov 20, 2009. (Source: Review of Scientific Instruments)
Source: Review of Scientific Instruments - November 21, 2009 Category: Physics Source Type: journals

Effect of the change in the load resistance on the high voltage pulse transformer of the intense electron-beam acceleratorsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Xin-bing Cheng, Jin-liang Liu, Bao-liang Qian, Yu Zhang, and Hong-bo Zhang A high voltage pulse transformer (HVPT) is usually used as a charging device for the pulse forming line (PFL) of intense electron-beam accelerators (IEBAs). Insulation of the HVPT is one of the important factors that restrict the development of the HVPT. Until now, considerable effort has been focus ... [Rev. Sci. Instrum. 80, 115110 (2009)] published Fri Nov 20, 2009. (Source: Review of Scientific Instruments)
Source: Review of Scientific Instruments - November 21, 2009 Category: Physics Source Type: journals

Successive large perturbation method for the elimination of initial value dependence in I-V curve fittingemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Jinhua Cai, Norifusa Satoh, Masatoshi Yanagida, and Liyuan Han A successive large perturbation method (SLPM) is proposed to resolve the problem of initial value dependence in the numerical least-square fitting for the extraction of I-V parameters in solar cells. In this method a large perturbation is applied onto certain a parameter before next turn of Newton-l ... [Rev. Sci. Instrum. 80, 115111 (2009)] published Fri Nov 20, 2009. (Source: Review of Scientific Instruments)
Source: Review of Scientific Instruments - November 21, 2009 Category: Physics Source Type: journals

Nonlinear screening effect in an ultrarelativistic degenerate electron-positron gasemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
N. L. Tsintsadze, A. Rasheed, H. A. Shah, and G. Murtaza Nonlinear screening process in an ultrarelativistic degenerate electron-positron gas has been investigated by deriving a generalized nonlinear Poisson equation for the electrostatic potential. In the simple one-dimensional case, the nonlinear Poisson equation leads to Debye-like (Coulomb-like) solut ... [Phys. Plasmas 16, 112307 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

Energy coupling to the plasma in repetitive nanosecond pulse dischargesemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Igor V. Adamovich, Munetake Nishihara, Inchul Choi, Mruthunjaya Uddi, and Walter R. Lempert A new analytic quasi-one-dimensional model of energy coupling to nanosecond pulse discharge plasmas in plane-to-plane geometry has been developed. The use of a one-dimensional approach is based on images of repetitively pulsed nanosecond discharge plasmas in dry air demonstrating that the plasma rem ... [Phys. Plasmas 16, 113505 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

On the role of a nonscalar electron pressure in the collisionless magnetic reconnectionemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
M. Hosseinpour and G. Vekstein Collisionless tearing instability in a sheared force-free magnetic field is considered in the framework of electron magnetohydrodynamics. A rigorous analytical analysis demonstrates that the bulk inertia of electrons is the dominant reconnection mechanism in a sufficiently low-beta plasma, when the ... [Phys. Plasmas 16, 114505 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

Electron-cyclotron wave scattering by edge density fluctuations in ITERemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Christos Tsironis, Arthur G. Peeters, Heinz Isliker, Dafni Strintzi, Ioanna Chatziantonaki et al. The effect of edge turbulence on the electron-cyclotron wave propagation in ITER is investigated with emphasis on wave scattering, beam broadening, and its influence on localized heating and current drive. A wave used for electron-cyclotron current drive (ECCD) must cross the edge of the plasma, whe ... [Phys. Plasmas 16, 112510 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

The effect of parallel electric field in shock waves on the acceleration of relativistic ions, electrons, and positronsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Seiichi Takahashi, Hiromasa Kawai, Yukiharu Ohsawa, Shunsuke Usami, Charles Chiu et al. The effect of an electric field E parallel to the magnetic field B on particle acceleration in shock waves is studied. With test particle calculations, for which the electromagnetic fields of shock waves are obtained from one-dimensional, fully kinetic, electromagnetic, particle simulations, the mot ... [Phys. Plasmas 16, 112308 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

Laser induced fluorescence of the ferroelectric plasma source assisted hollow anode dischargeemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
V. Vekselman, J. Gleizer, S. Yatom, D. Yarmolich, V. Tz. Gurovich et al. Parameters of the plasma produced by a ferroelectric plasma source (FPS) assisted high-current (~1 kA), hollow anode (HA), low-pressure (10 Torr) Ar gas discharge were studied using a time- and space-resolved laser induced fluorescence (LIF) diagnostic technique. It was shown that the plasma filli ... [Phys. Plasmas 16, 113504 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

Estimates of confinement time and energy gain for plasma liner driven magnetoinertial fusion using an analytic self-similar converging shock modelemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
J. T. Cassibry, R. J. Cortez, S. C. Hsu, and F. D. Witherspoon Plasma liner driven magnetoinertial fusion (PLMIF) is a fusion energy concept that utilizes an imploding plasma liner to shock heat and compress a magnetized target plasma to fusion conditions. The fusion burn fraction is linearly proportional to the confinement (or dwell) time of the liner-target s ... [Phys. Plasmas 16, 112707 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

Ion flow measurements and plasma current analysis in the Irvine Field Reversed Configurationemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
W. S. Harris, E. Trask, T. Roche, E. P. Garate, W. W. Heidbrink et al. Measurements of the Doppler shift of impurity lines indicate that there is an ion flow of ~7 km/s in the Irvine Field Reversed Configuration. A charge-exchange neutral particle analyzer shows the peak energy is below the 20 eV minimum detectable energy threshold, which is in agreement with the spec ... [Phys. Plasmas 16, 112509 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

Dynamic and spectroscopic characteristics of atmospheric gliding arc in gas-liquid two-phase flowemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
In this study, an atmospheric alternating-current gliding arc device in gas-liquid two-phase flow has been developed for the purpose of waste water degradation. The dynamic behavior of the gas-liquid gliding arc is investigated through the oscillations of electrical signals, while the spatial evolut ... [Phys. Plasmas 16, 113506 (2009)] published Fri Nov 20, 2009. (Source: Physics of Plasmas)
Source: Physics of Plasmas - November 21, 2009 Category: Physics Source Type: journals

Failure of thermocapillary-driven permanent nonwetting dropletsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
In this study, we exploit thermocapillary convection, caused by a temperature difference maintained between the droplet and the unw ... [Phys. Fluids 21, 112106 (2009)] published Fri Nov 20, 2009. (Source: Physics of Fluids)
Source: Physics of Fluids - November 21, 2009 Category: Physics Source Type: journals

Von Karman vortex streets on the sphereemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
George Chamoun, Eva Kanso, and Paul K. Newton We consider streamline patterns associated with single and double von Karman point vortex streets on the surface of a nonrotating sphere, with and without pole vortices. The full family of streamline patterns are identified and the topological bifurcations from one pattern to another are depicted as ... [Phys. Fluids 21, 116603 (2009)] published Fri Nov 20, 2009. (Source: Physics of Fluids)
Source: Physics of Fluids - November 21, 2009 Category: Physics Source Type: journals

Asymptotic behavior for logarithmic diffusionemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
F. Salvarani In this paper we prove, via the entropy dissipation method, that the solutions of the d-dimensional logarithmic diffusion equation, with nonhomogeneous Dirichlet boundary data, decay exponentially in time toward its own steady state. The result is valid not only in L-norm (as customary when applying ... [J. Math. Phys. 50, 113518 (2009)] published Fri Nov 20, 2009. (Source: Journal of Mathematical Physics)
Source: Journal of Mathematical Physics - November 21, 2009 Category: Physics Source Type: journals

Excited and ionized states of the ozone molecule with full triples coupled cluster methodsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Monika Musial, Stanislaw A. Kucharski, Piotr Zerzucha, Tomasz Kuś, and Rodney J. Bartlett The role of connected triple excitations in coupled cluster (CC) calculations of vertical excitation energies, ionization potentials, and the electron affinity of the ozone molecule is evaluated. The equation of motion (EOM) and Fock space (FS) multireference CC approaches with full triples have bee ... [J. Chem. Phys. 131, 194104 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

Molecular cooperativity in the dynamics of glass-forming systems: A new insightemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
L. Hong, P. D. Gujrati, V. N. Novikov, and A. P. Sokolov The mechanism behind the steep slowing down of molecular motions upon approaching the glass transition remains a great puzzle. Most of the theories relate this mechanism to the cooperativity in molecular motion. In this work, we estimate the length scale of molecular cooperativity xi for many glass- ... [J. Chem. Phys. 131, 194511 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

On nonadiabatic coupling vectors in time-dependent density functional theoryemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Ivano Tavernelli, Basile F. E. Curchod, and Ursula Rothlisberger In this note, we show that the development for the calculation of nonadiabatic coupling vectors in the framework of TDDFT introduced by the authors in the series of recent publications [E. Tapavicza et al., Phys. Rev. Lett.98, 023001 (2007); I. Tavernelli et al., J. Chem. Phys.130, 124107 (2009)] is ... [J. Chem. Phys. 131, 196101 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

Oscillator strengths and line widths of dipole-allowed transitions in N between 86.0 and 89.7 nmemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
A. N. Heays, B. R. Lewis, G. Stark, K. Yoshino, Peter L. Smith et al. Oscillator strengths of 23 electric-dipole-allowed bands of N in the 86.089.7 nm (111 480116 280 cm) region are reported from synchrotron-based photoabsorption measurements at an instrumental resolution of 6.5 x 10 nm (0.7 cm) full width at half maximum. The absorption spectrum comprises transit ... [J. Chem. Phys. 131, 194308 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

Extrapolating MP2 and CCSD explicitly correlated correlation energies to the complete basis set limit with first and second row correlation consistent basis setsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
J. Grant Hill, Kirk A. Peterson, Gerald Knizia, and Hans-Joachim Werner Accurate extrapolation to the complete basis set (CBS) limit of valence correlation energies calculated with explicitly correlated MP2-F12 and CCSD(T)-F12b methods have been investigated using a Schwenke-style approach for molecules containing both first and second row atoms. Extrapolation coefficie ... [J. Chem. Phys. 131, 194105 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

Manipulating stimulated coherent anti-Stokes Raman spectroscopy signals by broad-band and narrow-band pulsesemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Saar Rahav, Oleksiy Roslyak, and Shaul Mukamel A transition-amplitude based representation of heterodyne detected coherent anti-Stokes Raman signals is used to separate them into a parametric component that involves no change in the material and dissipative processes associated with various transitions between states. Qualitatively different con ... [J. Chem. Phys. 131, 194510 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

Electronic photodissociation spectra and decay pathways of gas-phase IrBremail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
We report photodissociation action spectra for the dianion IrBr in the range of 1.085.6 eV. The photoproducts observed are IrBr, IrBr, IrBr and Br. Comparison of the action spectra to the aqueous absorption spectrum of KIrBr leads to the determination of solvatochromic shifts of between 0.02 and 0.1 ... [J. Chem. Phys. 131, 194309 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

Photochemistry of 3-hydroxyflavone inside superfluid helium nanodropletsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
R. Lehnig, D. Pentlehner, A. Vdovin, B. Dick, and A. Slenczka 3-hydroxyflavone is a prototype system for excited state intramolecular proton transfer which is one step of a closed loop photocycle. It was intensively studied for the bare molecule and for the influence of solvents. In the present paper this photocycle is investigated for 3-hydroxyflavone and som ... [J. Chem. Phys. 131, 194307 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

Deliquescence and efflorescence of small particlesemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Robert McGraw and Ernie R. Lewis We examine size-dependent deliquescence/efflorescence phase transformation for particles down to several nanometers in size. Thermodynamic properties of inorganic salt particles, coated with aqueous solution layers of varying thickness and surrounded by vapor, are analyzed. A thin layer criterion (T ... [J. Chem. Phys. 131, 194705 (2009)] published Fri Nov 20, 2009. (Source: Journal of Chemical Physics)
Source: Journal of Chemical Physics - November 21, 2009 Category: Physics Source Type: journals

Thermal stability and vibrational spectroscopy of NO shallow donor centers in siliconemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Hans Christian Alt and Hans Edwin Wagner NO-related shallow donors in nitrogen-doped Czochralski silicon have been studied by infrared spectroscopy. Quasithermal equilibrium states were established by long-term thermal annealing in the temperature range from 600 to 1000 degrees C. By quantitative analysis of the 1s-->2p far-infrared el ... [J. Appl. Phys. 106, 103511 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Quantifying fatigue generated in high strain rate cyclic loading of Norway spruceemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Ari Salmi, Lauri Salminen, and Edward Haeggstrom Papermaking, especially mechanical pulping, consumes much energy. To reduce this energy consumption one has to understand and exploit the phenomena present during the pulping. An important phenomenon to understand is wood fatigue. We quantitatively measure the fatigue generated during high strain ra ... [J. Appl. Phys. 106, 104905 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Simultaneous low-frequency noise characterization of gate and drain currents in AlGaN/GaN high electron mobility transistorsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Hemant Rao and Gijs Bosman Room temperature low frequency noise characteristics of gate and drain currents of an AlGaN/GaN high electron mobility transistor are reported. A Hooge parameter (alpha) ranging from 10 to 10 is extracted for drain current noise as a function of sheet carrier density. Gate current noise is simultane ... [J. Appl. Phys. 106, 103712 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Effect of the anisotropy distribution on the coercive field and switching field distribution of bit patterned mediaemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
We present a systematic study on the magnetization reversal in square arrays of magnetic nanostructures. To account for the unavoidable inhomogeneities of the magnetic properties due to, i.e., template preparation, a distribution of magnetic anisotropy values was taken into account. We show that the ... [J. Appl. Phys. 106, 103913 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Comparison of amorphous silicon photodiodes and photoconductors for detection of quantum dot biomolecular tagsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
A. C. Pimentel, D. M. F. Prazeres, V. Chu, and J. P. Conde A comparative study of the performance of hydrogenated amorphous silicon photosensors based on two different device configurations for integration in a microarray platform for biomolecular detection is presented. A perpendicular contact p-i-n photodiode and a parallel contact intrinsic photoconducto ... [J. Appl. Phys. 106, 104904 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Electrical control of magnetic remanent states in a magnetoelectric layered nanostructureemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
We report experimental results on electrical control of magnetic remanent states (i.e., nanoscale remanent domain patterns) in a magnetoelectric layered nanostructure, Ni nanobar/lead zirconate titanate film. First, with application of different external magnetic fields as a baseline characterizatio ... [J. Appl. Phys. 106, 103914 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Enhancement of phosphorus activation in vacancy engineered thin silicon-on-insulator substratesemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
A. J. Smith, R. M. Gwilliam, V. Stolojan, A. P. Knights, P. G. Coleman et al. The concentration of vacancy-type defects in a silicon-on-insulator substrate consisting of a 110 nm silicon overlayer and a 200 nm buried oxide has been quantified using variable energy positron annihilation spectroscopy following 300 keV Si ion implantation to a dose of 1.5 x 10 cm and subsequent ... [J. Appl. Phys. 106, 103514 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Charge order, dielectric response, and local structure of LaSrNiO systememail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
M. Filippi, B. Kundys, S. Agrestini, W. Prellier, H. Oyanagi et al. Charge ordering, dielectric permittivity, and local structure of LaSrNiO system have been explored by x-ray charge scattering, complex dielectric impedance spectroscopy, and extended x-ray absorption fine structure (EXAFS) measurements, made on the same single crystal sample. The local structure mea ... [J. Appl. Phys. 106, 104116 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

A method for evaluating the ground state excitonic band gaps of strained InGaN/GaN quantum wellsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
T. K. Sharma and E. Towe A simple method for calculating the ground state excitonic band gaps of strained wurtzite InGaN/GaN quantum wells (QWs) for the entire composition range is proposed. The modification of the electronic band structure due to strain becomes significant for high values of indium concentration. It is obs ... [J. Appl. Phys. 106, 104509 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Theory of fundamental microwave absorption in sapphire (alpha-AlO)email this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Nicolas A. Shtin, Jose Mauricio Lopez Romero, and Eugene Prokhorov An accurate model for intrinsic dielectric loss in sapphire (alpha-AlO) is presented. The proposed model is based on a theory of electromagnetic field absorption governed by multiphonon relaxation processes influenced by a finite lifetime of thermal phonons. Expressions for anisotropic sapphire diel ... [J. Appl. Phys. 106, 104115 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Short- and long-range orders in FeCr: A Monte Carlo studyemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
C. Pareige, C. Domain, and P. Olsson Atomistic kinetic Monte Carlo simulations based on the two-band semiempirical cohesive model for FeCr have revealed a body centered tetragonal FeCr ordered compound at very low temperatures. Density functional theory calculations have shown that this structure is more stable than the FeCr compound r ... [J. Appl. Phys. 106, 104906 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Optical spectroscopy and upconversion luminescence in Nd doped GaGeS glassemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Vineet Kumar Rai, Cid B. de Araujo, Y. Ledemi, B. Bureau, M. Poulain et al. Optical properties of a neodymium (Nd) doped glass having composition based on the (GaS)(GeS) system are reported. Transition probabilities, radiative lifetimes, and branching ratios related to Nd levels were determined. Frequency upconversion (UC) luminescence due to nonresonant excitation at 1064 ... [J. Appl. Phys. 106, 103512 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Photoelectron spectroscopy study of systematically varied doping concentrations in an organic semiconductor layer using a molecular p-dopantemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
S. Olthof, W. Tress, R. Meerheim, B. Lussem, and K. Leo We investigate the doping behavior of the strongly electron accepting molecule 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane coevaporated with the host molecule N,N,N,N-tetrakis(4-methoxyphenyl)-benzidine by photoemission spectroscopy and conductivity measurements. Using interface resolved me ... [J. Appl. Phys. 106, 103711 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Flux pinning properties in BaMO (M=Zr,Sn) nanorod-introduced ErBaCuO filmsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Satoshi Awaji, Masafumi Namba, Kazuo Watnabe, Shun Ito, Eiji Aoyagi et al. Flux pinning properties on the ErBaCaO films with the nanoscaled and columnar-shaped BaMO (BMO,M=Zr,Sn) precipitates, i.e., nanorods, were investigated systematically based on the microstructure, critical current density J and irreversibility field B properties in high magnetic fields. We found that ... [J. Appl. Phys. 106, 103915 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Metal-semiconductor transition in epitaxial ZnO thin filmsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
We report on the formation and transport properties of ZnO thin films which are grown by pulsed-electron beam deposition under a low residual oxygen pressure (10 mbar). ZnO films presenting metallic conductivity at room temperature, and a metal-semiconductor transition at low temperature, were epit ... [J. Appl. Phys. 106, 103710 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Photoinduced spin-polarized current in InSb-based structuresemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
M. Frazier, J. G. Cates, J. A. Waugh, J. J. Heremans, M. B. Santos et al. We demonstrate the observation of spin-polarized photocurrent in InSb films grown on GaAs and InP substrates and InSb quantum wells where a nonequilibrium spin population has been achieved by using circularly polarized radiation. The characteristics of our observations indicated that the circular ph ... [J. Appl. Phys. 106, 103513 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

First-principles simulations on bulk TaO and Cu/TaO/Pt heterojunction: Electronic structures and transport propertiesemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Tingkun Gu, Zhongchang Wang, Tomofumi Tada, and Satoshi Watanabe Electronic structures and transport properties of bulk TaO and Cu/TaO/Pt heterojunction have been studied from first principles. Of the two room-temperature phases of bulk TaO, beta-, and delta-TaO, our calculated results showed that the beta phase has much narrower band gap than the delta-TaO. For ... [J. Appl. Phys. 106, 103713 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Thermodynamics of the thermoelectric potentialemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Christophe Goupil We derive the principal contributions to energy flux and entropy flux in a thermoelectric material using a force-flux description. Using the reduced current u=J/kappa[del]T of the coupled thermal and electrical flows, we introduce the so-called thermoelectric potential Talpha+1/u. We show that this ... [J. Appl. Phys. 106, 104907 (2009)] published Fri Nov 20, 2009. (Source: Journal of Applied Physics)
Source: Journal of Applied Physics - November 21, 2009 Category: Physics Source Type: journals

Dynamical estimates of chaotic systems from Poincare recurrencesemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
M. S. Baptista, Dariel M. Maranhao, and J. C. Sartorelli We show a function that fits well the probability density of return times between two consecutive visits of a chaotic trajectory to finite size regions in phase space. It deviates from the exponential statistics by a small power-law term, a term that represents the deterministic manifestation of the ... [Chaos 19, 043115 (2009)] published Fri Nov 20, 2009. (Source: Chaos)
Source: Chaos - November 21, 2009 Category: Physics Source Type: journals

Control of free space propagation of Airy beams generated by quadratic nonlinear photonic crystalsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
We present experimentally the control of free space propagation of an Airy beam. This beam is generated by a nonlinear wave mixing process in an asymmetrically poled nonlinear photonic crystal. Changing the quasi-phase matching conditions, e.g., the crystal temperature or pump wavelength, alters the ... [Appl. Phys. Lett. 95, 201112 (2009)] published Fri Nov 20, 2009. (Source: Applied Physics Letters)
Source: Applied Physics Letters - November 21, 2009 Category: Physics Source Type: journals

Synergistic information encoding by combinatorial pulse operation of ferroelectricsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Dan Ricinschi, Damian Nicastro, Takeshi Kanashima, and Masanori Okuyama We explore beyond binary memory capability of ferroelectrics, aiming to render them able to encode multiple bit information, based on operation in a regime spanning several polarization reversal mechanisms. Accessing a Pb(Zr,Ti)O ceramic capacitor with combinatorial sequences of pulses whose amplitu ... [Appl. Phys. Lett. 95, 202905 (2009)] published Fri Nov 20, 2009. (Source: Applied Physics Letters)
Source: Applied Physics Letters - November 21, 2009 Category: Physics Source Type: journals

Spectrally resolved confocal microscopy for laser mode imaging and beam characteristic investigationsemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
W. Brezna and J. Smoliner In this letter, confocal optical microscopy is used to investigate the intensity patterns of an infrared vertical cavity surface emitting laser in three dimensions with high spectral resolution. The measurements were performed between the near field (Fresnel) regime and the far field (Fraunhofer) re ... [Appl. Phys. Lett. 95, 201118 (2009)] published Fri Nov 20, 2009. (Source: Applied Physics Letters)
Source: Applied Physics Letters - November 21, 2009 Category: Physics Source Type: journals

Measurement of the electron density in a microwave plasma torch at atmospheric pressureemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Qing Zhang, Guixin Zhang, Liming Wang, Xinxin Wang, Shumin Wang et al. The electron density in a microwave plasma torch at atmospheric pressure was measured with a MachZehnder interferometer. The electron density is on the order of 10/cm, one order higher than that deduced from the Stark broadening of spectral lines, and increases with the increase in the microwave pow ... [Appl. Phys. Lett. 95, 201502 (2009)] published Fri Nov 20, 2009. (Source: Applied Physics Letters)
Source: Applied Physics Letters - November 21, 2009 Category: Physics Source Type: journals

Surface functionalized BaSrTiO /poly(vinylidene fluoride) nanocomposites with significantly enhanced dielectric propertiesemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Kecheng Li, Hong Wang, Feng Xiang, Weihong Liu, and Haibo Yang A nanocomposite was prepared by embedding BaSrTiO (BST)/silver core/shell nanoparticles (BST@Ag) into polyvinylidene-fluoride (PVDF). Through functionalizing the surface of BST nanoparticles by silver coating, the relative permittivity of composites was significantly increased to 153 at 100 Hz which ... [Appl. Phys. Lett. 95, 202904 (2009)] published Fri Nov 20, 2009. (Source: Applied Physics Letters)
Source: Applied Physics Letters - November 21, 2009 Category: Physics Source Type: journals

Efficient inverted top-emitting organic light-emitting diodes using ultrathin MoO/C bilayer structure to enhance hole injectionemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
Jianhua Hou, Jiang Wu, Zhiyuan Xie, and Lixiang Wang Efficient inverted top-emitting organic light-emitting diodes with aluminum (Al) as both the cathode and semitransparent anode are investigated. It is found that introduction of the ultrathin molybdenum trioxide (MoO)/fullerene (C) bilayer structure between the low work function Al top anode and the ... [Appl. Phys. Lett. 95, 203508 (2009)] published Fri Nov 20, 2009. (Source: Applied Physics Letters)
Source: Applied Physics Letters - November 21, 2009 Category: Physics Source Type: journals

Effects of well width and growth temperature on optical and structural characteristics of AlN/GaN superlattices grown by metal-organic chemical vapor depositionemail this articleEmail this article to a colleague. save this article to My ClippingsSave this article to My Clippings. discuss this articleDiscuss or comment on this article.
C. Bayram, N. Pere-laperne, and M. Razeghi AlN/GaN superlattices (SLs) employing various well widths (from 1.5 to 7.0 nm) are grown by metal-organic chemical vapor deposition technique at various growth temperatures (T) (from 900 to 1035 degrees C). The photoluminescence (PL), x-ray diffraction, and intersubband (ISB) absorption characteris ... [Appl. Phys. Lett. 95, 201906 (2009)] published Fri Nov 20, 2009. (Source: Applied Physics Letters)
Source: Applied Physics Letters - November 21, 2009 Category: Physics Source Type: journals