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  1. No Access

    Article

    Influence of Bonding Temperature and Applied Load on the Bonding Integrity and Optical Performance of Face-Down Bonded Ridge-Waveguide Lasers

    The effects of bonding temperature and applied load on the mechanical integrity of 80Au-20Sn solder joints and the optical performance of laser diodes (LDs) are presented. Insufficient solder wetting at 280°C ...

    J.W. Ronnie Teo, Z.F. Wang, X.Q. Shi, G.Y. Li, S. Yuan in Journal of Electronic Materials (2007)

  2. No Access

    Article

    Giant enhancement of quantum decoherence by frustrated environments

    Decoherence in a system of two antiferromagnetically coupled spins that interact with a spin bath environment is studied. Systems are considered that range from the rotationally invariant to highly anisotropic...

    S. Yuan, M. I. Katsnelson, H. De Raedt in JETP Letters (2006)

  3. No Access

    Article

    EPR study on the La2/3Ca1/3Mn1−x Cu x O y system

    The interaction between Mn and Cu ions is studied by measuring the resistance and electron paramagnetic resonance (EPR) at different temperatures of the Cu-doped compound La2/3Ca1/3Mn1−xCuxOy. A new transition in

    S. **, X. Sun, S. Yuan in Applied Magnetic Resonance (2000)

  4. No Access

    Article

    In0.2Ga0.8As/GaAs quantum well laser with C doped cladding and ohmic contact layers

    Carbon do** in AlxGa1−xAs was achieved using different approaches. The moderate growth temperature of 650°C was employed to grow C bulk-doped AlxGa1−xAs with a high Al mole fraction. The hole-density was altere...

    G. Li, S. Yuan, H. H. Tan, X. Q. Liu, S. J. Chua… in Journal of Electronic Materials (1998)