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  1. No Access

    Article

    The direct bonding between copper and MgO-doped Si3N4

    An application of direct bonding method for copper to silicon nitride (Si3N4) joining was investigated. Si3N4 was sintered with 5wt% MgO at 1700 ° C for 30 min in nitrogen atmosphere, and oxidized at various temp...

    S. T. Kim, C. H. Kim, J. Y. Park, Y. B. Son, K. Y. Kim in Journal of Materials Science (1990)

  2. No Access

    Article

    Preparation and Microstructural Characterization of Ferroelectric Thin Film PbTiO3 on Si, MgO, and Sapphire Deposited by DC Reactive Multitarget Co-Sputtering.

    PbTiO3 thin films on Si (100) plane were prepared by the DC reactive multitarget cosputtering technique. The film composition and structure were examined as a function of deposition parameters. The crystal struct...

    K.Y. Kim, H.I. Hwang, J.Y. Lee, W.K. Choo in MRS Online Proceedings Library (1991)

  3. No Access

    Article

    Effect of addition of the CuO-Fe2O3 system on the electromagnetic wave absorbing properties of sintered ferrite

    The effects of the addition of the CuO-Fe2O3 system as a liquid former on the microstructure and electromagnetic wave absorbing property of sintered Ni-Zn ferrite were investigated. The CuO-Fe2O3 system, a spinel...

    K. Y. Kim, W. S. Kim, Y. D. Ju, H. J. Jung in Journal of Materials Science (1992)

  4. No Access

    Article

    Leakage Current Behaviors of Ba0.5Sr0.5TiO3 Thin Films on Pt, RuO2, and Pt/RuO2 Bottom Electrodes

    Ba0.5Sr0.5TiO3 thin films were grown by rf-magnetron sputtering. Pt and RuO2 films were used as bottom electrodes of the Ba0.5Sr0.5TiO3 thin films. Further, a Pt/RuO2 hybrid electrode was adopted as an electrode ...

    W. Jo, D. C. Kim, H. M. Lee, K. Y. Kim in MRS Online Proceedings Library (1996)

  5. No Access

    Article

    Optical guided dispersions and subwavelength transmissions in dispersive plasmonic circular holes

    The light transmission through a dispersive plasmonic circular hole is numerically investigated with an emphasis on its subwavelength guidance. For a better understanding of the effect of the hole diameter on ...

    K. Y. Kim, Y. K. Cho, H. S. Tae, J. H. Lee in Opto-Electronics Review (2006)

  6. No Access

    Article

    Comparing guided modal properties of surface waves along single- and double-negative indexed slab waveguides

    The guided dispersion characteristics of the fundamental symmetric and asymmetric modes of surface waves along single- and double-negative indexed slab waveguides are investigated, and a comparative analysis m...

    K. Y. Kim, Y. K. Cho in Opto-Electronics Review (2010)

  7. No Access

    Article

    Spark plasma sintering and decomposition of the Y3NbO7:Eu phase

    The spark plasma sintering (SPS) of Eu3+-doped Y3NbO7 niobate phase was investigated to obtain dense ceramics. Although SPS allowed obtaining high-density ceramics, decomposition of the niobate phase occurred at ...

    K. Y. Kim, A. Veillere, U-C. Chung, V. Jubera, J.-M. Heintz in Journal of Materials Science (2018)