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Presentation

2016

  1. Sunghyun Kim and K. J. Chang, "First-Principles Band Unfolding Method for Nanowires" (Poster), The 19th Asian Workshop on First-Principles Electronic Structure Calculations, Hsinchu, Taiwan [Nov, 1, 2016]
  2. Sunghyun Kim and K. J. Chang, "Unfolding the band structure of one-dimensional nanostructures within density function theory framework", (Oral), Korean Physical Society Fall Meeting, Gwangju, Korea [Oct, 21, 2016]
  3. Sunghyun Kim, Young Jun Oh, In-Ho Lee, Jooyoung Lee, and K. J. Chang, "Computational discovery of direct band gap silicon superlattices with efficient optical transition" (Poster), 33rd International Conference on the Physics of Semiconductors, Beijing, China, [Aug, 3, 2016]
  4. Sunghyun Kim, Young Jun Oh, In-Ho Lee, Jooyoung Lee, and K. J. Chang, "Computational search for dipole‐allowed direct band gap silicon allotropes based on global optimization" (Oral), The 18th International Symposium on the Physics of Semiconductors and Applications, Jeju, Korea, [July, 6, 2016]
  5. Sunghyun Kim, Young Jun Oh, In-Ho Lee, Jooyoung Lee, and K. J. Chang, "Direct band gap carbon allotropes with efficient optical transition via first-principles materials design"(Poster), The 12th KIAS Electronic Structure Calculation Workshop, Seoul, Korea, [June, 16, 2015]
  6. Sunghyun Kim, Young Jun Oh, In-Ho Lee, Jooyoung Lee, and K. J. Chang, "Computational search for direct band gap carbon allotropes with efficient optical transition" (Oral), Korean Physical Society Spring Meeting, Daejeon, Korea [April, 21-23, 2016]
  7. Sunghyun Kim, Young Jun Oh, In-Ho Lee, Jooyoung Lee, and K. J. Chang, "Prediction of direct band gap silicon superlattices with dipole-allowed optical transition"(Oral), 2016 APS March meeting, Baltimore, MD, USA [Mar, 16, 2016]

2015

  1. Sunghyun Kim, Young Jun Oh, In-Ho Lee, Jooyoung Lee, and K. J. Chang, "Computational Design of Silicon Allotropes with Direct Band Gaps"(Oral), The 3rd International Conference on Advanced Electromaterials, ICC Jeju, Korea [Nov, 17-20, 2015]
  2. Sunghyun Kim, Young Jun Oh, In-Ho Lee, Jooyoung Lee, and K. J. Chang, "Computational design of direct band gap Si superlattices"(Poster), The 18th Asian Workshop on First-Principles Electronic Structure Calculations, Kashiwa, Japan [Nov, 9-11, 2015]
  3. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "Finite-size supercell correction scheme for the formation energy of charged defects in silicon nanowires"(Poster), 28th International Conference on Defects in Semiconductors, Espoo, Finland, [July, 27–31, 2015]
  4. Sunghyun Kim, In-Ho Lee, Jooyoung Lee, Young Jun Oh, and K. J. Chang, "Implementation of a Conformational Space Annealing Algorithm in Computational Search for Functional Materials" (Poster), The 11th KIAS Electronic Structure Calculation Workshop, Seoul, Korea, [June, 19, 2015]
  5. Sunghyun Kim, In-Ho Lee, Jooyoung Lee, Young Jun Oh, and K. J. Chang, "Implementation of a Conformational Space Annealing Algorithm in Computational Search for Functional Materials" (Oral), 2015 Korean Physical Society spring meeting, Daejeon, Korea [Apr, 24, 2015]
  6. Sunghyun Kim, In-Ho Lee, Jooyoung Lee, Young Jun Oh, and K. J. Chang, "Conformational space annealing scheme in the inverse design of functional materials" (Oral), 2015 APS March meeting, San Antonio, TX, USA [Mar, 2, 2015]

2014

  1. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "Finite-size supercell correction scheme for the formation energy of charged defects in silicon nanowires" (Poster), The 17th Asian Workshop on First-Principles Electronic Structure Calculations, Seoul, Korea [Nov, 3-5, 2014]
  2. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "Determination of Accurate Transition Levels of Charged Defects in Silicon Nanowires" (Poster), 2014 ICPS, Austin, TX, USA [Aug, 10-15, 2014]
  3. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "First-principles supercell calculations for accurate defect transition levels in silicon nanowires" (Oral), 2014 Korean Physical Society spring meeting, Daejeon, Korea[April, 23-24, 2014]
  4. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "A finite-size supercell correction scheme for charged defects in one-dimensional systems: Application to impurities in silicon nanowires" (Oral), 2014 APS march meeting, Denver, CO, USA [Mar, 3-7, 2014]

2013

  1. Ji-Sang Park, Sunghyun Kim, and K. J. Chang, "Local bonding effect on p-type doping efficiency in Mg-doped quaternary AlInGaN alloys" (Poster), 2013 16th Asian Workshop on First-Principles Electronic Structure Calculations, Beijing, PRC [Oct, 28-30, 2013]
  2. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "Generation of realistic atomic models for Si/SiO2 core-shell nanowires and segregation behavior of B and P dopants" (Oral), The 16th International Symposium on the Physics of Semiconductors and Applications, Jeju, Korea [Jul, 2-5, 2013]
  3. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "Stability of B and P dopants in Si/SiO2 core-shell nanowires" (Poster), The 9th KIAS Electronic Structure Calculation Workshop, Seoul, Korea [Jun, 20-21, 2013]
  4. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "First-principles study for segregation of B and P dopants in Si/SiO2 core-shell nanowires" (Oral), Korean Physical Society spring meeting, Daejeon, Korea [Apr, 24-26, 2013]
  5. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "Generation of core-shell structures and segregation of dopants in Si/SiO2 nanowires" (Oral), APS March meeting, Baltimore, MD, USA [Mar, 18-22, 2013]

2012

  1. Sunghyun Kim, Ji-Sang Park and K. J. Chang, "Generation of The Core-Shell Structures and Distribution of Dopants in Oxidized Si Nanowires" (Poster), The 15th Asian Workshop on First-Principles Electronic Structure Calculations, Taipei, Taiwan, [ Nov, 2012]
  2. Sunghyun Kim, Ji-Sang Park, and K. J. Chang, "The electronic and structural properties of Si/SiO2 core-shell nanowires" (Poster), The 8th KIAS Electronic Structure Calculation Workshop, Seoul, Korea, [June, 2012]