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Choi, Bo
Staff Engineer II

Research Information

Research interests include: radiation effects of semiconductor devices, carbon based novel devices, and lithography process technology.


Selected Publications

Ultrafast compact silicon-based ring resonator modulators using metal-insulator switching of vanadium dioxide

. Nag, J; Ryckman, JD; Hertkorn, MT; Choi, BK; Haglund, RF; Weiss, SM, PROCEEDINGS - SPIE, 7597, 759710 , (2010)

Effects of Halo Doping and Si Capping Layer Thickness on Total-Dose Effects in Ge p-MOSFETs. Arora, R; Simoen, E; Zhang, EX; Fleetwood, DM; Schrimpf, RD; Galloway, KF; Choi, BK; Mitard, J; Meuris, M; Claeys, C; Madan, A; Cressler, JD, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 57, 1933-1939 , (2010)

Nanodiamod lateral device field emission diode fabricated by electron beam lithography. LeQuan, XC; Choi, BK; Kang, WP; Davidson, JL, DIAMOND AND RELATED MATERIALS, 19, 252-255 , (2010)

Process Dependence of Proton-Induced Degradation in GaN HEMTs. Roy, T; Zhang, EX; Puzyrev, YS; Fleetwood, DM; Schrimpf, RD; Choi, BK; Hmelo, AB; Pantelides, ST, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 57, 3060-3065 , (2010)

Effect of rearranging sp(2)/sp(3) hybridized-bonding on the field emission characteristics of nano-crystalline diamond films. LeQuan, XC; Kang, WP; Davidson, JL; Choi, BK; Wong, YM; Barbosa, R; Lu, W, DIAMOND AND RELATED MATERIALS, 18, 200-205 , (2009)

Micro-Raman, SEM, XPS, and electron field emission characterizations of nitrogen-induced shallow defects on nanodiamond films fabricated with different growth parameters. LeQuan, XC; Kang, WP; Davidson, JL; Guo, M; Choi, BK, DIAMOND AND RELATED MATERIALS, 18, 191-195 , (2009)

Thermionic electron emission from chemical vapor deposition diamond by nanosecond laser heating. Choi, BK; Kang, WP; Davis, IL; Davidson, JL; Hu, ST; Pitz, RW, JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 27, 557-561 , (2009)

The effect of interelectrode spacing on field emission in nanodiamond lateral vacuum devices. Subramanian, K; Kang, WP; Davidson, JL; Choi, BK, DIAMOND AND RELATED MATERIALS, 17, 1808-1811 , (2008)

Carbon nanotube lateral field emitters with integrated metallic anode. Wong, YM; Kang, WP; Davidson, JL; Choi, BK; Huang, JH, JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 25, 548-551 , (2007)

Field emission devices for advanced electronics comprised of lateral nanodiamond or carbon nanotube emitters. Subramanian, K; Wong, Y; Kang, WP; Davidson, JL; Choi, BK; Howell, M, DIAMOND AND RELATED MATERIALS, 16, 1997-2002 , (2007)

Nanocrystalline diamond lateral field emission diode fabrication by dual micropatterning technique. Subramanian, K; Kang, WP; Davidson, JL; Wong, YM; Choi, BK, DIAMOND AND RELATED MATERIALS, 16, 1408-1412 , (2007)

Nanodiamond lateral VFEM technology for harsh environments. Kang, WP; Davidson, JL; Subramanian, K; Choi, BK; Galloway, KF, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 54, 1061-1065 , (2007)

Carbon nanostructure field emission devices. Wong, YM; Kang, WP; Davidson, JL; Soh, KL; Choi, BK; Hofmeister, W, JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 24, 1008-1012 , (2006)

Carbon nanotubes vacuum field emission differential amplifier integrated circuits. Kang, WP; Wong, YM; Davidson, JL; Kenis, DV; Choi, BK; Huang, JH; Galloway, KF, ELECTRONICS LETTERS, 42, 210-211 , (2006)

Electrochemical sensing using nanodiamond microprobe. Basu, S; Kang, WP; Davidson, JL; Choi, BK; Bonds, AB; Cliffel, DE, DIAMOND AND RELATED MATERIALS, 15, 269-274 , (2006)

Enhanced electron field emission from micropatterned pyramidal diamond tips incorporating CH4/H-2/N-2 plasma-deposited nanodiamond. Subramanian, K; Kang, WP; Davidson, JL; Takalkar, RS; Choi, BK; Howell, M; Kerns, DV, DIAMOND AND RELATED MATERIALS, 15, 1126-1131 , (2006)

Fabrication of aligned convex CNT field emission triode by MPCVD. Wong, YM; Kang, WP; Davidson, JL; Choi, BK; Hofmeister, W; Huang, JH, DIAMOND AND RELATED MATERIALS, 15, 334-340 , (2006)

Field emission characteristics of diamond edge-shaped emitters fabricated using nitrogen-methane plasma. Takalkar, RS; Kang, WP; Davidson, JL; Choi, BK; Hofmeister, WH; Subramanian, K, DIAMOND AND RELATED MATERIALS, 15, 329-333 , (2006)

Growth and profile modification of carbon nanotubes designed for field emission applications by hydrogen plasma pretreatment. Wong, YM; Kang, WP; Davidson, JL; Choi, BK; Huang, JH, DIAMOND AND RELATED MATERIALS, 15, 1132-1137 , (2006)

Nanocarbon field emission devices. Subramanian, K; Wong, YM; Kang, WP; Davidson, JL; Choi, BK; Howell, M, PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 203, 3042-3048 , (2006)

Single-mask multiple lateral nanodiamond field emission devices fabrication technique. Subramanian, K; Kang, WP; Davidson, JL; Choi, BK; Howell, M, JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 24, 953-957 , (2006)

Vertically aligned carbon nanotube field emission devices fabricated by furnace thermal chemical vapor deposition at atmospheric pressure. Wei, S; Kang, WP; Davidson, JL; Choi, BK; Huang, JH, JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 24, 1190-1196 , (2006)

Array geometry, size and spacing effects on field emission characteristics of aligned carbon nanotubes. Wong, YM; Kang, WP; Davidson, JL; Choi, BK; Hofmeister, W; Huang, JH, DIAMOND AND RELATED MATERIALS, 14, 2078-2083 , (2005)

Field emission triode amplifier utilizing aligned carbon nanotubes. Wong, YM; Kang, WP; Davidson, JL; Choi, BK; Hofmeister, W; Huang, JH, DIAMOND AND RELATED MATERIALS, 14, 2069-2073 , (2005)

Nanodiamond planar lateral field emission diode. Subramanian, K; Kang, WP; Davidson, JL; Hofmeister, WH; Choi, BK; Howell, M, DIAMOND AND RELATED MATERIALS, 14, 2099-2104 , (2005)

CVD diamond photoconductive devices. Choi, BK; Kang, WP; Davidson, JL; Howell, M; Schrimpf, RD; Fleetwood, DM, DIAMOND AND RELATED MATERIALS, 13, 785-790 , (2004)

The energy dependence of proton-induced degradation in AlGaN/GaN high electron mobility transistors. Hu, XW; Choi, BK; Barnaby, HJ; Fleetwood, DM; Schrimpf, RD; Lee, SC; Shojah-Ardalan, S; Wilkins, R; Mishra, UK; Dettmer, RW, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 51, 293-297 , (2004)

Effects of 2 MeV proton irradiation on operating wavelength and leakage current of vertical cavity surface emitting lasers. Kalavagunta, A; Choi, B; Neifeld, MA; Schrimpf, R, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 50, 1982-1990 , (2003)

Laser detection of radiation enhanced electron transport in ultra-thin oxides. Pasternak, R; Shirokaya, YV; Marka, Z; Miller, JK; Rashkeev, SN; Pantelides, ST; Tolk, NH; Choi, BK; Schrimpf, RD; Fleetwood, DM, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 514, 150-155 , (2003)

Two-color optical technique for characterization of x-ray radiation-enhanced electron transport in SiO2. Marka, Z; Pasternak, R; Albridge, RG; Rashkeev, SN; Pantelides, ST; Tolk, NH; Choi, BK; Fleetwood, DM; Schrimpf, RD, JOURNAL OF APPLIED PHYSICS, 93, 1865-1870 , (2003)

Detection of trap activation by ionizing radiation in SiO2 by spatially localized cathodoluminescence spectroscopy

. White, BD; Brillson, LJ; Bataiev, M; Brillson, LJ; Fleetwood, DM; Schrimpf, RD; Choi, BK, Pantelides, ST, JOURNAL OF APPLIED PHYSICS, 92, 5729-5734 , (2002)

Characterization of 1.8-MeV proton-irradiated AlGaN/GaN field-effect transistor structures by nanoscale depth-resolved luminescence spectroscopy. White, BD; Bataiev, M; Brillson, LJ; Choi, BK; Fleetwood, DM; Schrimpf, RD; Pantelides, ST; Dettmer, RW; Schaff, WJ; Champlain, JG; Mishra, UK, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 49, 2695-2701 , (2002)

Long-term reliability degradation of ultrathin dielectric films due to heavy-ion irradiation. Choi, BK; Fleetwood, DM; Schrimpf, RD; Massengill, LW; Galloway, KF; Shaneyfelt, MR; Meisenheimer, TL; Dodd, PE; Schwank, JR; Lee, YM; John, RS; Lucovsky, G, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 49, 3045-3050 , (2002)

Proton-induced degradation in AlGaAs/GaAs heterojunction bipolar transistors. Hu, XW; Choi, BK; Barnaby, HJ; Fleetwood, DM; Schrimpf, RD; Galloway, KF; Weller, RA; McDonald, K; Mishra, UK; Dettmer, RW, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 49, 3213-3216 , (2002)

Reliability degradation of ultra-thin oxynitride and Al2O3 gate dielectric films owing to heavy-ion irradiation. Choi, BK; Fleetwood, DM; Massengill, LW; Schrimpf, RD; Galloway, KF; Shaneyfelt, MR; Meisenheimer, TL; Dodd, PE; Schwank, JR; Lee, YM; Johnson, RS; Lucovsky, G, ELECTRONICS LETTERS, 38, 157-158 , (2002)

Total-dose and single-event effects in switching DC/DC power converters. Adell, PC; Schrimpf, RD; Choi, BK; Holman, WT; Attwood, JP; Cirba, CR; Galloway, KF, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 49, 3217-3221 , (2002)

Aging and baking effects on the radiation hardness of MOS capacitors. Karmarkar, AP; Choi, BK; Schrimpf, RD; Fleetwood, DM, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 48, 2158-2163 , (2001)

Heavy-ion-induced breakdown in ultra-thin gate oxides and high-k dielectrics. Massengill, LW; Choi, BK; Fleetwood, DM; Schrimpf, RD; Galloway, KF; Shaneyfelt, MR; Meisenheimer, TL; Dodd, PE; Schwank, JR; Lee, YM; Johnson, RS; Lucovsky, G, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 48, 1904-1912 , (2001)


Phone: 615-343-6720
Email: bo.choi@vanderbilt.edu

 
Vanderbilt University