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  1. No Access

    Chapter

    Poly (N-Acyl Ethyleneimines) with Polarizable Aromatic Side Chain Substituents and Their Complexes: Synthesis, Structure and Electronic Properties

    Our objectives in this work were to produce electrically interesting polymers with the following characteristics: 1. At some stage they should be formable, either through heat or solution; 2. The polymers shou...

    M. H. Litt, J. Rodriguez, H. Nava, J. Kim, T. McClelland… in New Monomers and Polymers (1984)

  2. No Access

    Chapter and Conference Paper

    Transport of Passive Scalars in a Turbulent Channel Flow

    A direct numerical simulation of a turbulent channel flow with three passive scalars at different molecular Prandtl numbers is performed. Computed statistics including the turbulent Prandtl numbers are compare...

    J. Kim, P. Moin in Turbulent Shear Flows 6 (1989)

  3. No Access

    Chapter and Conference Paper

    Active Turbulence Control in Wallbounded Flow Using Direct Numerical Simulations

    An exploratory study of concepts for active control of turbulent boundary layers using the direct numerical simulation technique was performed. Significant drag reduction was achieved when the surface boundary...

    J. Kim, P. Moin, H. Choi in Structure of Turbulence and Drag Reduction (1990)

  4. No Access

    Chapter and Conference Paper

    The Structure of Pressure Fluctuations in Turbulent Shear Flows

    Pressure fluctuations in a turbulent channel and a homogeneous shear flows are investigated by analyzing databases obtained from direct numerical simulations. Detailed statistics associated with the pressure f...

    J. Kim, M. J. Lee in Turbulent Shear Flows 7 (1991)

  5. No Access

    Article

    Thin electron beam propagation in plasmas

    The propagation of dense electron beams and the interaction with the ambient plasmas are studied by using two-dimensional electrostatic simulations. When the width of the beam is of the order of electron gyro-...

    J. Kim, J. Seon, K. Min in Astrophysics and Space Science (1993)

  6. No Access

    Chapter

    Elastic Properties of Metallic Multilayers

    In this paper, we describe our several recent results of the physical origins responsible for the elastic anomalies observed in fcc/fcc metallic multilayers.

    Charles M. Falco, J. Kim, J. R. Dutcher, S. Lee, G. I. Stegeman in Nanophase Materials (1994)

  7. No Access

    Article

    Effects of grain size on the electrical properties of PbZr0.52Ti0.48O3 ceramics

    (space group: P4mm) in the ferroelectric phase and Oh(m3m) in the paraelectric phase. From the hysteresis loop measurements, we obtained the remanent polarization and calculated the squareness of our samples as ...

    B.M. **, J. Kim, S.C. Kim in Applied Physics A (1997)

  8. No Access

    Chapter

    Multi-Stage Adaptive Noise Cancellation for Ultrasonic Nondestructive Evaluation

    A major source of noise or clutter in ultrasonic nondestructive evaluation (NDE) applications is due to the grain structure of the material. The scattering of ultrasonic waves from grain boundaries can interfe...

    J. Kim, L. Udpa, S. S. Udpa in Review of Progress in Quantitative Nondestructive Evaluation (1999)

  9. No Access

    Chapter and Conference Paper

    Head-On Collisions of Isothermal Clouds

    Using our three-dimensional hydrodynamics code BTSPH (Binary Tree SPH; Kim et al. 1994), we have simulated the head-on collisions between two identical clouds with 8000 particles. As an initial cloud we take an i...

    W.-T. Kim, S. S. Hong, S.-C. Yoon, S. M. Lee, J. Kim in Numerical Astrophysics (1999)

  10. No Access

    Article

    Buffer-gas loaded magnetic traps for atoms and molecules: A primer

    Over the past three years we have developed the technique of buffer-gas cooling and loading of atoms and molecules into magnetic traps. Buffer-gas cooling relies solely on elastic collisions (thermalization) o...

    R. deCarvalho, J.M. Doyle, B. Friedrich… in The European Physical Journal D - Atomic, … (1999)

  11. No Access

    Chapter

    Quantum Electron Optics and its Applications

    With the development of two-dimensional electron gas (2DEG) substrates and submicron lithography techniques, it has become possible to fabricate mesoscopic devices with length scales smaller than the inelastic...

    W. D. Oliver, R. C. Liu, J. Kim, X. Maitre… in Quantum Mesoscopic Phenomena and Mesoscopi… (2000)

  12. No Access

    Chapter and Conference Paper

    Status of the Neutrino Telescope AMANDA: Monopoles and WIMPS

    The neutrino telescope AMANDA has been set up at the geographical South Pole as first step to a neutrino telescope of the scale of one cubic kilometer, which is the canonical size for a detector sensitive to n...

    X. Bai, G. Barouch, S. W. Barwick, R. C. Bay… in Dark Matter in Astro- and Particle Physics (2001)

  13. No Access

    Article

    Critical dimensions for YBCO islands grown by pulsed laser deposition

    Islands of constant width at half maximum of approximately 100 nm have been observed during the pulsed laser deposition of films of nominal thickness from 0.7 to 3.0 nm of the material YBa2Cu3O7-δ(YBCO) on substr...

    C.M. Gilmore, J. Kim in Applied Physics A (2002)

  14. No Access

    Chapter and Conference Paper

    The Parker Instability

    We first clarify confusing terms for three unstable modes of the Parker instability in a perfectly conducting compressible plasma in the horizontal magnetic field and the vertical gravitational field. We call ...

    J. Kim, D. Ryu, S. S. Hong, S. M. Lee, J. Franco in How does the Galaxy Work? (2004)

  15. No Access

    Article

    Characterization of Low Pressure DMA System for the size selection of magnetic nano-particles

    For the size selection of magnetic nano particles produced in laser ablation, a low pressure differential mobility analyzer (LPDMA) was constructed. The LPDMA was characterized using the transmission electron ...

    J. Kim, T. Seto, K. Sakiyama, D. Kim in Applied Physics A (2004)

  16. No Access

    Article

    Photoassociation experiments with ultracold metastable helium

    The present article gives a review of various photoassociation (PA) experiments performed at ENS with a gas of ultracold atoms of metastable helium in the 23S1 state, using a PA laser beam red-detuned from the 23

    J. Kim, U. D. Rapol, S. Moal, J. Léonard… in The European Physical Journal D - Atomic, … (2004)

  17. No Access

    Chapter and Conference Paper

    Femtosecond Synchronization of RF-Signals with Optical Pulse Trains

    A synchronization scheme for extraction of low jitter RF-signals from optical pulse trains, which is robust against photodetector nonlinearities, is described. Sub-100 fs timing jitter between the extracted RF...

    J. Kim, M. H. Perrott, F. X. Kaertner in Ultrafast Phenomena XIV (2005)

  18. No Access

    Article

    Ultrafast dynamics of surface plasmon polaritons in plasmonic metamaterials

    Using near-field scanning optical microscopy and ultrafast laser spectroscopy, we study the linear optical properties of subwavelength nanoslit and nanohole arrays in metal films, which are prototype structure...

    C. Ropers, G. Stibenz, G. Steinmeyer, R. Müller, D.J. Park, K.G. Lee… in Applied Physics B (2006)

  19. No Access

    Article

    Compact laser system for atom interferometry

    We describe an optical bench in which we lock the relative frequencies or phases of a set of three lasers in order to use them in a cold atom interferometry experiment. As a new feature, the same two lasers se...

    P. Cheinet, F. Pereira Dos Santos, T. Petelski, J. Le Gouët, J. Kim… in Applied Physics B (2006)

  20. No Access

    Article

    Applications of electron microscopy to the characterization of semiconductor nanowires

    We review our current progress on semiconductor nanowires of β-Ga2O3, Si and GaN. These nanowires were grown using both vapor–solid (VS) and vapor–liquid–solid (VLS) mechanisms. Using transmission electron micros...

    D. Tham, C.-Y. Nam, K. Byon, J. Kim, J.E. Fischer in Applied Physics A (2006)

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