Search Results - "Gi-Ho Kim"

Fault Diagnosis of a ZVS DC-DC Converter Based on DC-Link Current Pulse Shapes by Sung Young Kim, Kwanghee Nam, Hong-Seok Song, Ho-Gi Kim

“…The dc-dc converter is a critical component in a hybrid electric vehicle since it supplies power to an electronic control unit, as well as chassis electric…”
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Gas sensing properties of p-type hollow NiO hemispheres prepared by polymeric colloidal templating method by Cho, Nam Gyu, Hwang, In-Sung, Kim, Ho-Gi, Lee, Jong-Heun, Kim, Il-Doo

“…This work presents a simple and versatile route to produce macroporous p-type metal oxide thin films. Two-dimensional arrays of p-type NiO films with a hollow…”
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Structural properties of Ge2Sb2Te5 thin films by metal organic chemical vapor deposition for phase change memory applications by Kim, Ran-Young, Kim, Ho-Gi, Yoon, Soon-Gil

“…Ge 2 Sb 2 Te 5 (GST) films were deposited on TiN(50nm)∕SiO2∕Si substrates and trench structures of TiAlN(100nm)∕Si with various deposition parameters by metal…”
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Miniature Long-Term Evolution (LTE) MIMO Ferrite Antenna by Jaejin Lee, Yang-Ki Hong, Seok Bae, Abo, G. S., Won-Mo Seong, Gi-Ho Kim

“…A long-term evolution (LTE) MIMO ferrite antenna was fabricated on Ni 0.5 Mn 0.2 Co 0.07 Fe 2.23 O 4 ferrite substrate (14 × 7 × 3 mm 3 ) and characterized for…”
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A Compact Multiband Antenna Based on DNG ZOR for Wireless Mobile System by Jeong Keun Ji, Jeong Keun Ji, Gi Ho Kim, Gi Ho Kim, Won Mo Seong, Won Mo Seong

“…A compact multiband antenna using a double-negative (DNG) zeroth-order resonator (ZOR) for global system for mobile communications (GSM850/1800/1900,…”
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Electrochemical behaviors of Li[Li(1−x)/3Mn(2−x)/3Nix/3Cox/3]O2 cathode series (0<x<1) synthesized by sucrose combustion process for high capacity lithium ion batteries by Kim, Gu-Yeon, Yi, Seung-Beob, Park, Yong Joon, Kim, Ho-Gi

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TiO2-nanotube-based dye-sensitized solar cells fabricated by an efficient anodic oxidation for high surface area by YANG, Dae-Jin, PARK, Hun, CHOA, Seong-Je, KIM, Ho-Gi, CHOI, Won-Youl

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Co Z Hexaferrite T-DMB Antenna for Mobile Phone Applications by Seok Bae, Yang-Ki Hong, Jae-Jin Lee, Jalli, J., Abo, G.S., Won-Mo Sung, Gi-Ho Kim, Sang-Hoon Park, Jun-Sig Kum, Kwon, H.M.

“…We fabricated 0.029 lambda miniaturized Co 2 Z hexaferrite terrestrial digital multimedia broadcasting (T-DMB) antenna. T-DMB antenna was fabricated by winding…”
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Two-Photon Excitation of Potentiometric Probes Enables Optical Recording of Action Potentials From Mammalian Nerve Terminals In Situ by Fisher, Jonathan A. N, Barchi, Jonathan R, Welle, Cristin G, Kim, Gi-Ho, Kosterin, Paul, Obaid, Ana Lia, Yodh, Arjun G, Contreras, Diego, Salzberg, Brian M

“…1 Department of Physics and Astronomy, University of Pennsylvania School of Arts and Sciences, Philadelphia; 2 Department of Bioengineering, University of…”
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Orientation effect on microwave dielectric properties of Si-integrated Ba0.6Sr0.4TiO3 thin films for frequency agile devices by Kim, Hyun-Suk, Hyun, Tae-Seon, Kim, Ho-Gi, Kim, Il-Doo, Yun, Tae-Soon, Lee, Jong-Chul

“…The effect of texture with (100) and (110) preferred orientations on dielectric properties of Ba0.6Sr0.4TiO3 (BST) thin films grown on SrO (9nm) and CeO2…”
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Broadband bluetooth antenna based on Co2Z hexaferrite-glass composite by Lee, Jaejin, Hong, Yang-Ki, Bae, Seok, Abo, Gavin S., Jalli, Jeevan, Park, Jihoon, Seong, Won-Mo, Park, Sang-Hoon, An, Won-Gi, Kim, Gi-Ho

“…Bluetooth ferrite antenna was fabricated on Co2Z (Ba3Co2Fe24O41) hexaferrite‐glass composite substrate and characterized. The fabricated antenna has a total…”
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Fabrication of dye-sensitized solar cells by transplanting highly ordered TiO2 nanotube arrays by PARK, Hun, KIM, Woong-Rae, JEONG, Hyo-Tae, LEE, Jae-Joon, KIM, Ho-Gi, CHOI, Won-Youl

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Design of an internal FM radio antenna for mobile handsets with an arrow-shaped patch by Choi, Sunho, Kim, Gi-Ho, Seong, Won-Mo, Kwak, Kyung-Sup

“…This article describes the design, fabrication, and measurement of an internal FM radio ferrite sheet flexible antenna using an arrow‐shaped patch to enhance…”
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Highly sensitive SnO₂ hollow nanofiber-based NO₂ gas sensors by Cho, Nam Gyu, Yang, Dae Jin, Jin, Mi-Jin, Kim, Ho-Gi, Tuller, Harry L, Kim, Il-Doo

“…SnO₂ hollow nanofibers (HNFs) with diameters of 300–500nm were fabricated via electrospinning of templating nanofibers and RF-sputtering of SnO₂ thin…”
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Vertically Oriented Titania Nanotubes Prepared by Anodic Oxidation on Si Substrates by Yang, Dae-Jin, Kim, Ho-Gi, Cho, Seong-Je, Choi, Won-Youl

“…Vertically oriented titania nanotube arrays were fabricated by anodization of titanium film deposited on silicon substrates under different processing…”
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Effect of Ultrasonographically Guided Axillary Nerve Block Combined With Suprascapular Nerve Block in Arthroscopic Rotator Cuff Repair: A Randomized Controlled Trial by Lee, Jae Jun, M.D, Kim, Do-Young, M.D., Ph.D, Hwang, Jung-Taek, M.D., Ph.D, Lee, Sang-Soo, M.D., Ph.D, Hwang, Sung Mi, M.D., Ph.D, Kim, Gi Ho, M.D, Jo, Yoon-Geol, M.D

“…Purpose The aim of this study was to compare the results of ultrasonographically guided axillary nerve block (ANB) combined with suprascapular nerve block…”
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Synthesis of LiMn2O4 by modified Pechini method and characterization as a cathode for rechargeable Li/LiMn2O4 cells by HAN, Y.-S, KIM, H.-G

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Bandwidth Enhancement of Metamaterial Antennas Based on Composite Right/Left-Handed Transmission Line by Ji, Jeong Keun, Kim, Gi Ho, Seong, Won Mo

“…A method to extend the bandwidth of metamaterial (MTM) antennas using a composite right/left-handed transmission line (CRLH-TL) is presented. The resonance…”
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M-type Hexaferrite for Gigahertz Chip Antenna Applications by Jaejin Lee, Yang-Ki Hong, Jihoon Park, Won-Mo Seong, Gi-Ho Kim, Morisako, Akimitsu

“…We demonstrate that Sn/Zn-substituted strontium M-type hexaferrite (SrSn 2.5 Zn 2.5 Fe 7 O 19 = Sn/Zn-SrM) can provide high performance and a uniform radiation…”
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Hollow TiO2 Hemispheres Obtained by Colloidal Templating for Application in Dye-Sensitized Solar Cells by Yang, S.-C., Yang, D.-J., Kim, J., Hong, J.-M., Kim, H.-G., Kim, I.-D., Lee, H.

“…Hollow TiO2 hemispheres for application in dye‐sensitized solar cells are prepared by means of rf‐sputtering onto colloidal templated substrates. After…”
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