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  1. No Access

    Article

    Deposition of Diamond Films by Scanning Oxy-Acetylene Flame

    Diamond films have been deposited on silicon wafers by scanning an oxy-acetylene flame against water-cooled silicon substrates. High quality diamond films about 20 um thick can be achieved by scanning the flam...

    Yonhua Tzeng, Richard Phillips, Chin C. Tin, Y. Chen… in MRS Online Proceedings Library (1989)

  2. No Access

    Article

    Effects of Low Magnetic Fields on Gold-YBCO Contacts

    The effects of low magnetic field (0–40 Gauss) on electrical properties of gold-YBCO contacts are investigated. The contact resistance increases significantly with applied magnetic fields. For high magnetic fi...

    Yonhua Tzeng, Mitchell A. Belser in MRS Online Proceedings Library (1989)

  3. No Access

    Article

    Visible Luminescence from ZnO Nanostructures

    Room temperature photoluminescence (PL) spectra from zinc oxide (ZnO) nanostructures were studied. ZnO samples were produced via thermal chemical vapor deposition (thermal-CVD) and a variety of ZnO nanostructu...

    An-jen Cheng, Dake Wang, Hee Won Seo, Minseo Park… in MRS Online Proceedings Library (2007)

  4. No Access

    Article

    Hot-Filament Assisted Fabrication of Carbon-Nanotube Electron Emitters

    A hot-filament CVD reactor was used for the deposition of carbon nanotubes on substrates. Hydrocarbon or oxyhydrocarbon mixtures were used as the carbon source. Hot filaments at temperatures exceeding 2000C pr...

    Yonhua Tzeng, Chao Liu, Zheng Chen in MRS Online Proceedings Library (2011)

  5. No Access

    Article

    Fabrication of High-Density Carbon-Nanotube Coatings on Microstructured Substrates

    Fabrication and characterization of carbon nanotubes deposited on microstructured Ni substrate are presented. The highly active surface-area of the microstructured Ni substrate provides highdensity nucleation ...

    Zheng Chen, Yonhua Tzeng, Chao Liu in MRS Online Proceedings Library (2011)

  6. No Access

    Article

    Electron Emission from Microwave-Plasma Chemically Vapor Deposited Carbon Nanotubes

    A microwave plasma CVD reactor was used for the deposition of carbon nanotubes on substrates. Hydrocarbon or oxyhydrocarbon mixtures were used as the carbon source. Hot electrons in the microwave plasma at tem...

    Yonhua Tzeng, Chao Liu, Calvin Cutshaw, Zheng Chen in MRS Online Proceedings Library (2011)

  7. No Access

    Article

    Low-Temperature CVD Carbon Coatings on Glass Plates for Flat Panel Display Applications

    Low-temperature chemical vapor deposition processes were studied for coating carbon films on metal-coated glass plates. Thermal CVD in hydrocarbon mixtures was used for carbon deposition at temperatures betwee...

    Yonhua Tzeng, Chao Liu, Calvin Cutshaw, Zheng Chen in MRS Online Proceedings Library (2011)

  8. No Access

    Article

    Charge-transfer doped intrinsic diamond electrochemical electrodes

    We report electrochemical characteristics of hydrogen terminated charge-transfer doped intrinsic microcrystalline diamond films. Microcrystalline diamond was synthesized by Direct- Current Plasma Enhanced Chem...

    Waileong Chen, Chiuan-Yi Li, Shoupu Yeh, Shin-Hung Yei… in MRS Online Proceedings Library (2011)

  9. Article

    Rechargeable lithium batteries and beyond: Progress, challenges, and future directions

    This issue contains assessments of battery performance involving complex, interrelated physical and chemical processes between electrode materials and electrolytes. Transformational changes in battery technolo...

    Khalil Amine, Ryoji Kanno, Yonhua Tzeng in MRS Bulletin (2014)

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