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  1. No Access

    Article

    Morphological Changes in Rod-Shaped Precipitates With Internal Boundaries: Finite Difference Analysis

    Shape evolution of rod-shaped precipitates due to surface diffusion has been studied under the conditions of constant volume and isotropie interfacial free energy. The shape evolution depends strongly on both ...

    Jun-Ho Choy, S. A. Hackney, J. K. Lee in MRS Online Proceedings Library (1991)

  2. No Access

    Article

    Pure tetravalent nickel in γ-type nickel oxyhydroxide as secondary battery electrode

    Pure tetravalent nickel in γ-type cobalt substituted nickel oxyhydroxide, Ni0.70Co0.30O2K0.30(H2O)0.42, could be obtained by the “chimie douce” reaction. The presence of tetravalent nickel is confirmed by compari...

    Kyoo-Seung Han, Masahiro Yoshimura, Joo-Byoung Yoon in Journal of Materials Research (1998)

  3. No Access

    Article

    Soft Chemical Routes to Heterostructured High-Tc Superconducting Materials

    **-Ho Choy, Soon-Jae Kwon, Seong-Ju Hwang, Eue-Soon Jang in MRS Bulletin (2000)

  4. No Access

    Article

    Anomalous scaling effect of tungsten/titanium nitride/titanium to silicon electrical contact resistance for subquarter micron microelectronic devices

    This paper reports the anomalous scaling effect of tungsten/titanium nitride/titanium to (a) n+ and (b) p+ silicon electrical contact resistance in dynamic random access memory (DRAM) devices, upon post heat t...

    Jun-Ho Choy, Young-Soo Kim, Tae-Keun Hwang in Journal of Electronic Materials (2001)

  5. No Access

    Chapter and Conference Paper

    A Study of Content Conversion between eBook Standards

    Many countries have established eBook standards adequate to their environments. In USA, OEB PS is announced for distribution and display of eBooks, in Japan, JepaX is announced for storage and exchange, and in...

    Seung-Kyu Ko, Won-Sung Sohn, Kyong-Ho Lee, Soon-Bum Lim in E-Commerce and Web Technologies (2002)

  6. Chapter and Conference Paper

    Document Reverse Engineering: From Paper to XML

    Since XML has the advantage of embedding logical structure information into documents, it is widely used as the universal format for structured documents on the Web. This makes it attractive to convert paper-b...

    Kyong-Ho Lee, Yoon-Chul Choy, Sung-Bae Cho, **ao Tang in Document Analysis Systems V (2002)

  7. No Access

    Article

    Process optimization of polymetal (W/WN/Polysilicon) gate and its impact on dynamic random-access memory chip performance in 0.14-µm technology

    This paper summarizes the problems and solutions in the process integration and device and circuit performances of fully working, 256-megabit, dynamic random-access memory (DRAM) chips employing poly-metal gat...

    Pil Bo Shim, Jun-Ho Choy, Gyung Sun Gil, Ki Myung Kyung in Journal of Electronic Materials (2002)

  8. No Access

    Article

    Ferrimagnetic Membranes for Separation of Paramagnetic and Diamagnetic Species

    For using as separative membranes based on magnetic selectivity, nanoporous ferrimagnetic membranes of maghemite (γ-Fe2O3) and cobalt ferrite (Fe2CoO4) were prepared by the sol-gel route from ferrofluid colloidal...

    Jihye Gwak, André Ayral, Vincent Rouessac, Louis Cot in MRS Online Proceedings Library (2003)

  9. No Access

    Article

    A Novel Nanoparticle/Lamellar Oxide Hybrid: TiO2-pillared MoO3

    The intercalation into MoO3 with TiO2 nanoparticles has been accomplished via the exfoliating-restacking route. The molybdenum oxide lithiated by LiBH4 is exfoliated in degassed and deionized water. And subsequen...

    Seung-Min Paek, Hyun Jung, **-Ho Choy in MRS Online Proceedings Library (2003)

  10. No Access

    Chapter and Conference Paper

    Context-Based Proofreading of Structured Documents

    To produce accurate editing results, the ambiguity of editing scopes related to marked correction signs should be solved. Proofreading the web document modifies the document structures, and the modified struct...

    Won-Sung Sohn, Teuk-Seob Song, Jae-Kyung Kim in Computational Science and Its Applications… (2004)

  11. No Access

    Article

    Bio-Resorbable Nanoceramics for Gene and Drug Delivery

    Nanoscale ceramic particles, such as layered double hydroxides (LDHs), have been developed to deliver drugs or genes into biological cells. In this article, we describe the controlled-release properties of LDH...

    Waltraud M. Kriven, Seo-Young Kwak, Matthew A. Wallig, **-Ho Choy in MRS Bulletin (2004)

  12. No Access

    Chapter and Conference Paper

    Nanoengineering Route to Two-Dimensional Hybrid Materials

    We have successfully synthesized inorganic-inorganic, organic-inorganic and bio-inorganic nanohybrids by applying an intercalation technique systematically to layered titanate, molybdenum disulfide (MoS2), Bi-bas...

    **-Ho Choy in Organic Conductors, Superconductors and Ma… (2004)

  13. No Access

    Article

    Zr K-Edge XAS and 29Si MAS NMR Studies on Hexagonal Mesoporous Zirconium Silicate

    Hexagonal mesoporous silicate (HMS) molecular sieve containing zirconium species (Zr-HMS) has been synthesized using a neutral template of hexadecylamine with ethanol and water. A disordered channel structure ...

    **-Ho Choy, Joo-Byoung Yoon, Hyun Jung, Joo-Hyoung Park in Journal of Porous Materials (2004)

  14. No Access

    Article

    Zr K-edge XAS study on ZrO2-pillared aluminosilicate

    The ZrO2-pillared clay with high acidic property has been prepared by reacting 1 wt% colloidal suspension of Na+-montmorillonite with 1 N aqueous solution of ZrOCl2·8H2O and by subsequent heating. The evolution o...

    Hyun Jung, Seung-Min Paek, Joo-Byoung Yoon, **-Ho Choy in Journal of Porous Materials (2007)

  15. No Access

    Chapter

    Gene and Drug Delivery System with Soluble Inorganic Carriers

    Inorganic-based delivery systems are attracting increased attention partially because their inertness gives rise to safety and stability in biosystems and partially because their frameworks can be readily and ...

    **-Ho Choy, Man Park, Jae-Min Oh in NanoBioTechnology (2008)

  16. No Access

    Article

    Immune response induced by ppGpp-defective Salmonella enterica serovar Gallinarum in chickens

    To protect chickens from typhoid caused by Salmonella enterica serovar Gallinarum (S. Gallinarum), the attenuated 9R strain has been used in the field as a vaccine. However, safety concerns have been raised becau...

    Sang-Ik Park, Jae-Ho Jeong, Hyon E. Choy, Joon Haeng Rhee in The Journal of Microbiology (2010)

  17. No Access

    Article

    Conductive Polymer/Transition Metal Oxide Hybrid Materials for Lithium Batteries

    Organic-inorganic hybrid materials were synthesized for use of lithium battery electrode by two strategies: 1) core-shell strategy for tri-dimensional transition metal oxide and 2) intercalation strategy for b...

    Chai-Won Kwon, Armel Poquet, Stéphane Mornet, Guy Campet in MRS Online Proceedings Library (2011)

  18. No Access

    Article

    Insertion of Inorganic-Biomolecular Nanohybrid into Eucaryotic Cell

    It has been clearly demonstrated that ATP could be intercalated into inorganic layered double hydroxide (LDH), giving rise to a biomolecular-inorganic nanohybrid with preserving its physico-chemical and biolog...

    Seo-Young Kwak, Sung-Ho Hwang, Yong-Joo Jeong in MRS Online Proceedings Library (2011)

  19. No Access

    Article

    Intercalative Route to Heterostructured Nanohybirds

    We have successfully synthesized organic-inorganic and bio-inorganic nanohybrids by applying an intercalation technique systematically to Bi-based cuprate superconductors, Bi2Sr2Cam-1CumOy (m = 1, 2, and 3; BSCCO...

    **-Ho Choy in MRS Online Proceedings Library (2011)

  20. No Access

    Article

    Multi-scale Simulation Methodology for Stress Assessment in 3D IC: Effect of Die Stacking on Device Performance

    Potential challenges with managing mechanical stress distributions and the consequent effects on device performance for advanced 3D integrated circuit (IC) technologies are outlined. A set of physics-based com...

    Valeriy Sukharev, Armen Kteyan, Jun-Ho Choy in Journal of Electronic Testing (2012)

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