[* : international conferences]
34. *The Electronic Materials and Applications 2016, Oral presentation (Jan. 20 - Jan. 22, 2016, Orlando, FL, USA), Invited talk
“Spatially-resolved mapping of enhanced oxygen ion conduction in Sm-doped CeO2-SrTiO3 vertical nanocomposite films”.
33. *The 2014 Materials Research Society Fall Meeting, Oral presentation (Nov. 30 - Dec. 5, 2014, Boston, USA),
“Local Probing of the Humidity Effect on Ionic Conduction in Ag-Ion Conducting Glass”.
32. *The 2014 Materials Research Society Spring Meeting, Oral presentation (Apr. 21-25, 2014, San Francisco, USA),
“Nanoscale Probing of Ionic Dynamics and Conduction in AgI-AgPO3 Glasses”.
31. The 2013 Korean Physical Society Spring Meeting, Oral presentation (Apr. 24-26, 2013, Daejeon, Korea), Invited talk
“Intriguing phenomena of oxide thin films investigated by scanning probe microscopy”.
30. *The 2013 American Physical Society March Meeting, Oral presentation (Mar. 18-22, 2013, Baltimore, USA),
“Equilateral triangular ferroelectric closure domains in (111)-oriented epitaxial Pb(Zr,Ti)O3 thin films”.
29. The 9th 강유전체연합심포지움, Oral presentation (Feb. 17-19, 2013, Muju, Korea),
“Equilateral triangular closure domain structures in (111)-oriented epitaxial ferroelectric thin films”.
28. *The 2012 Materials Research Society Fall Meeting, Oral presentation (Nov. 25-30, 2012, Boston, USA),
“Observation of equilateral triangular closure domains in (111)-oriented epitaxial ferroelectric thin films”.
27. The 2012 Korean Physical Society Fall Meeting, Poster presentation (Oct. 24-26, 2012, Pyeongchang, Korea),
“Observation of ferroelectricity in epitaxial CaTiO3 thin films”.
26. *The 9th Korea-Japan Conference on Ferroelectrics, Poster presentation (Aug. 7-10, 2012, Ulsan, Korea), The excellent presentation award,
“Equilateral triangle closure domains in (111)-oriented epitaxial PbZr0.35Ti0.65O3 thin films”.
25. The 2012 Korean Physical Society Spring Meeting, Oral presentation (Apr. 25-27, 2012, Daejeon, Korea),
“Equilateral triangle vertex closure domains in (111) oriented epitaxial ferroelectric thin films”.
24. The 8th 강유전체연합심포지움, Poster presentation (Feb. 12-14, 2012, Muju, Korea),
“Observation of polarization closure in (111) oriented epitaxial PbZr0.35Ti0.65O3 thin films”.
23. *The 2011 Materials Research Society Fall Meeting, Poster presentation (Nov. 27 - Dec. 02, 2011, Boston, USA),
“Nanoscale visualization of domain switching dynamics during fatigue in epitaxial ferroelectric thin film capacitors”.
22. The 2011 Korean Physical Society Fall Meeting, Oral presentation (Oct. 19-21, 2011, Busan, Korea), Best oral presentation award,
“Nanoscale Visualization of Domain Switching Dynamics during Fatigue in Epitaxial PbZr0.4Ti0.6O3 Thin Film Capacitors”.
21. The 2011 Korean Physical Society Spring Meeting, Poster presentation (Apr. 13-15, 2011, Daejeon, Korea),
“Electric field control of ferroelectric and ferroelastic domain structures in epitaxial (111) oriented tetragonal ferroelectric thin films”.
20. *The 18th Interdisciplinary Surface Science Conference (ISSC-18), Poster presentation (April. 4-7, 2011, Coventry, UK),
“Polarity control of ferroelectric/metal interfaces for switchable diode and photovoltaic effect”.
19. The 7th 강유전체연합심포지움, Poster presentation (Feb. 13-15, 2011, Muju, Korea),
“Nucleation and anisotropic domain growth in epitaxial BiFeO3 capacitors on vicinal substrate”.
18. *11th Korea-Japan-Taiwan Symposium on Strongly Correlated Electron System, Poster presentation (Feb. 9-12, 2011, Jeju, Korea),
“Nucleation and anisotropic domain growth in epitaxial BiFeO3 capacitors on vicinal substrate”.
17. The 2010 Korean Physical Society Fall Meeting, Oral presentation (Oct. 20-22, 2010, Pyeongchang, Korea),
“Nucleation and anisotropic domain growth in epitaxial BiFeO3 capacitors on the vicinal substrate”.
16. *17th International Workshop on Oxide Electronics, Oral presentation (Sep. 19-22, 2010, Awaji, Japan),
“Unveiling the ac dynamics of ferroelectric domains by investigating the frequency dependence of hysteresis loops”.
15. *The 7th Asian Meeting on Ferroelectricity and the 7th Asian Meeting on ElectroCeramics, Oral presentation (Jun. 28 - Jul. 1, 2010, Jeju, Korea),
“Unveiling the ac dynamics of ferroelectric domains by investigating the frequency dependence of hysteresis loops”.
14. The 2010 Korean Physical Society Spring Meeting, Poster presentation (Apr. 21-23, 2010, Daejeon, Korea),
“Direct imaging of domain wall motions with Barkhausen avalanches in epitaxial ferroelectric thin film”.
13. The 6th 강유전체연합심포지움, Poster presentation (Feb. 7-9, 2010, Muju, Korea),
“Unveiling the ac dynamics of ferroelectric domains by investigating the frequency dependence of hysteresis loops”.
12. *The 2009 Materials Research Society Fall Meeting, Oral presentation (Nov. 30 - Dec. 4, 2009, Boston, USA),
“Nonlinear dynamics of domain walls in epitaxial ferroelectric thin film”.
11. The 2009 Korean Physical Society Fall Meeting, Oral presentation (Oct. 21-23, 2009, Changwon, Korea), Best oral presentation award,
“Hysteresis loops and nonlinear ac dynamics of domain walls in epitaxial ferroelectric film”.
10. *The 2nd Workshop for Emergent Materials Research and Emergent Materials Research Tutorial, Poster presentation (Jul. 13-16 2009, Pohang, Korea),
“Nonlinear dynamics of domain walls in epitaxial ferroelectric thin film investigated by P-E hysteresis loops”.
9. *The 2009 Materials Research Society Spring Meeting, Oral presentation (Apr. 14-17 2009, San Francisco, USA),
“Visualization of nucleation and domain wall motion in epitaxial Pb(Zr,Ti)O3 thin films”.
8. The 5th 강유전체연합심포지움, Poster presentation (Feb. 8-10, 2009, Muju, Korea),
“Investigation on domain wall dynamics in epitaxial ferroelectric PbZr0.2Ti0.8O3 thin films using P-E hysteresis loops”.
7. The 2008 Korean Physical Society Fall Meeting, Oral presentation (Oct. 23-24, 2008, Gwangju, Korea),
“Ferroelectric domain wall dynamics in epitaxial Pb(Zr,Ti)O3 films”
6. *The 9th European Conference on Applications of Polar Dielectrics, Oral presentation (Aug. 25-29, 2008, Roma, Italy),
“Visualization of nucleation and domain wall motion in ferroelectric Pb(Zr,Ti)O3 capacitors”.
5. *The 7th Korea-Japan Conference on Ferroelectricity, Poster presentation (Aug. 6-9, 2008, Jeju, Korea),
“Domain wall motion in epitaxial Pb(Zr,Ti)O3 capacitors investigated by modified piezoresponse force microscopy”.
4. The 2008 Korean Physical Society Spring Meeting, Poster presentation (Apr. 17-18, 2008, Daejeon, Korea),
“Domain wall motion in epitaxial Pb(Zr,Ti)O3 capacitors investigated by modified piezoresponse force microscopy”.
3. The 4th 강유전체연합심포지움, Poster presentation (Feb. 17-19, 2008, Muju, Korea),
“Quantitative analysis of domain wall motion in Pb(Zr,Ti)O3 capacitors, using piezoresponse force microscopy.
2. *The 5th International Conference on Advanced Materials and Devices, Poster presentation (Dec. 12-14, 2007, Jeju, Korea),
“Direct observation of domain evolution in fatigued epitaxial Pb(Zr,Ti)O3 thin films, using piezoresponse force microscopy”.
1. *The 14th International Workshop on Oxide Electronics, Poster presentation (Oct. 7-10, 2007, Jeju, Korea),
“Inhomogeneous domain nucleation in epitaxial Pb(Zr,Ti)O3 thin films, using piezoresponse force microscopy”