Presentations

CHARM Laboratory : Complex Heterostructures & Advanced Researches on Multiferroics

Presentations

LIST OF SELECTED PRESENTATIONS AT INTERNATIONAL CONFERENCES AND WORKSHOPS

  1. C.-H. Yang, Flexoelectrical generation of quantum electronic states in oxide cracks, MRS Spring Meeting & Exhibit, Apr, 2025, Seattle, USA (INVITED TALK)
  2. C.-H. Yang, Orbital Physics and Engineering in LaMnO3 films, International Conference on Physics and Technology of Advanced Materials (IPTAM), Oct 8-10, 2024, Bali, Indonesia (PLENARY TALK)
  3. C.-H. Yang, Orbital Physics and Engineering in LaMnO3 films, Quantum Oxide Research Online Meeting (QUOROM-11), Sep 5, 2024, online (INVITED TALK)
  4. C.-H. Yang, Oxygen vacancy order-disorder transition process during topotactic filament formation in Ca-doped BiFeO3, The 15th APCTP Workshop on Multiferroics, Aug 24, 2024, Seoul, Korea (INVITED TALK)
  5. C.-H. Yang, Dynamic Mechanical Writing of Ferroelectric Bubbles, MRS Spring Meeting & Exhibit, Apr 23, 2024, Seattle, USA (INVITED TALK)
  6. C.-H. Yang, Jahn-Teller domains and orbital engineering in LaMnO3 films, The 13th International Conference on Advanced Materials and Devices, Jeju, Korea, Dec 4, 2023
  7. C.-H. Yang, Dynamic mechanical writing of polar bubbles, The 14th APCTP Workshop on Multiferroics, Tokyo, Japan, Oct 19, 2023
  8. C.-H. Yang, Flexopiezielectricity at ferroelastic domain wall WO3 films, The 20th International Microscopy Congress, Busan, Korea, Sep 12, 2023
  9. C.-H. Yang, Strongly correlative ionic transport triggered by oxygen-vacancy ordering transition in a doped multiferroic, The 4th Workshop on Functional Materials Science, Busan, Korea, Jun 19, 2023
  10. C.-H. Yang, Strongly correlative ionic transport triggered by oxygen-vacancy ordering transition in a doped multiferroic, The 21st Taiwan-Japan-Korea Symposium on Strongly Correlated electron System, Hsinchu, Taiwan, Apr 6, 2023 (INVITED TALK)
  11. C.-H. Yang, Strongly correlative ionic transport triggered by oxygen-vacancy ordering transition in a doped multiferroic, The 15th International Meeting on Ferroelectricity, Tel Aviv, Israel, Mar 28, 2023 (INVITED TALK)
  12. C.-H. Yang, Correlative ionic transport across an oxygen-vacancy ordering transition, Quantum Material Symposium , Yongpyong, Korea, Feb 10, 2023 (INVITED TALK)
  13. C.-H. Yang, Low-dimensional functionalities in WO3 thin films, 13th APCTP-IACS-KIAS Joint Conference on Emergent Phenomena in Novel Oxide Materials and Low Dimensional Systems, online, Pohang, Korea (online), Dec 1-3, 2022 (INVITED TALK)
  14. C.-H. Yang, Critical ionic transport across an oxygen-vacancy ordering transition in Ca-doped BiFeO3, The 13th APCTP Workshop on Multiferroics, Nanjing, China (online), Oct 11-13, 2022 (INVITED TALK)
  15. C.-H. Yang, Critical ionic transport across an oxygen-vacancy ordering transition, Nano Korea 2022 (The 20th International Nanotech Symposium), Goyang-si, Korea (online), July 6-8, 2022 (INVITED TALK)
  16. C.-H. Yang, Fractionalized polar skyrmions in BiFeO3, The 12th APCTP-IACS-KIAS Joint Conference 2021, online, Nov 29-30, 2021 (INVITED TALK)
  17. C.-H. Yang, Orbital physics and engineering in LaMnO3, The 12th APCTP Workshop on Multiferroics, Sydney, Australia (online), Nov 15-17, 2021 (INVITED TALK)
  18. C.-H. Yang, Flexopiezoelectricity: A New Mechanoelectric Phenomenon, 6th International Conference on Advanced Electromaterials (Hybrid Conference), Jeju, Korea, Nov 9-12, 2021 (INVITED TALK)
  19. C.-H. Yang, Fractionalized polar skyrmions in BiFeO3, The 12th Asian Meeting on Ferroelectricity & The 12th Asian Meeting on Electroceramics (AMF-AMEC 2021), Thailand (online), Jul 8, 2021 (INVITED TALK)
  20. C.-H. Yang, Magnetic-field-induced Superconductor-to-insulator Transition in Epitaxial Cuprate Thin Films at the Thickness-driven Quantum Phase Transition Regime, 14th Asia-Pacific Physics Conference 2019 (APPC-14), Kuching, Malaysia, Nov 17-22, 2019 (INVITED TALK)
  21. C.-H. Yang, Artificial creation and separation of a single vortex-antivortex pair in a ferroelectric flatland, 5th International Conference on Advanced Electromaterials (ICAE 2019), Jeju, Korea, Nov 5-8, 2019 (INVITED TALK)
  22. C.-H. Yang, Artificial creation and separation of a single vortex-antivortex pair in a ferroelectric flatland, 11th APCTP Workshop on Multiferroics, Hsinchu, Taiwan, Sep 20-22, 2019 (INVITED TALK)
  23. C.-H. Yang, Magnetic-field-induced Superconductor-to-insulator Transition in Epitaxial Cuprate Thin Films at the Thickness-driven Quantum Phase Transition Regime, 11th International Conference on Magnetic and Superconducting Materials (MSM19), Seoul, Korea, Aug 19-21, 2019 (INVITED TALK)
  24. C.-H. Yang, Ferroelectric Topology: Excitations, Quasiparticles, and Dynamics for Future Information Technology, Asia-Pacific PFM 2019, Seoul, Korea, Aug 12-14, 2019 (PLENARY TALK)
  25. C.-H. Yang, Collective Defect Flow in Ca-Doped BiFeO3 Thin Films, 10th International Conference on Materials for Advanced Technologies (ICMAT 2019), Marina Bay Sands, Singapore, Jun 23-28, 2019 (INVITED TALK)
  26. C.-H. Yang, Ultrafast collective oxygen-vacancy flow in Ca-doped BiFeO3, Symposium QN07 – Emergent Phenomena in Oxide Quantum Materials, MRS Spring Meeting & Exhibit, April 22-26, 2019, Phoenix, USA (INVITED TALK)
  27. C.-H. Yang, Interplay of Magnetism and Dielectric Behavior in Doped Super-tetragonal BiFeO3, International HANARO symposium, Daejeon, Korea, Apr 11, 2019
  28. C.-H. Yang, and Ji soo Lim, Collective defect flow in crystalline solids, APCTP-KIAS Quantum Materials Symposium 2019, Feb 10-15, 2019, Muju, Korea (INVITED TALK)
  29. C.-H. Yang, Ferroelectric topology, Workshop on spin-orbit coupled topological states, Oct 1-5, 2018, Pohang, Korea (INVITED TALK)
  30. C.-H. Yang, Configurable topological domain textures in strain graded ferroelectric nanoplates, 14th International Symposium on Ferroic Domains, Sep 26-28, 2018, Barcelona, Spain (INVITED TALK)
  31. C.-H. Yang, Ferroelastically protected ferroelectric switching pathways to control electrical conductivity in strain-graded ferroelectric nanoplates, 2nd Hsinchu Oxide Forum, Sep 21-22, 2018, Natal, Taiwan (INVITED TALK)
  32. C.-H. Yang, Configurable topological multiferroic textures and winding number analysis, International Workshop on Topological Structures (Topo 2018), June 12-16, 2018, Natal, Brazil (INVITED TALK)
  33. C.-H. Yang, Configurable topological multiferroic textures and winding number analysis, The 5th International Conference of Asia Union of Magnetics Societies (IcAUMS 2018), June 3-7, 2018, Jeju, Korea (INVITED TALK)
  34. C.-H. Yang, Configurable topological textures in strain graded ferroelectric nanoplates, ISAF-FMA-AMF-AMEC-PFM Joint Conference (IFAAP 2018), May 27 – June 1, 2018, Hiroshima, Japan (PLENARY TALK)
  35. C.-H. Yang, Configurable topological textures in strain graded ferroelectric nanoplates, The 6th SKKU Workshop on Materials Frontier Research, Jan 22-23, 2018, Seoul, Korea (INVITED TALK)
  36. C.-H. Yang, Configurable topological textures in strain graded ferroelectric nanoplates, The 9th IACS-APCTP Joint Activity on Novel Quantum Phases in Oxide Materials and Low Dimensional Systems, Nov 27-29, 2017, Kolkata, India (INVITED TALK)
  37. C.-H. Yang, Configurable topological textures in strain graded ferroelectric nanoplates, The 9th APCTP Workshop on Multiferroics, Nov 9-11, 2017, University of Tokyo (Kashiwa campus), Japan (INVITED TALK)
  38. C.-H. Yang, Topological textures and functionalities in strain graded ferroelectric oxide nanostructures, The 3rd East-Asia Microscopy Conference, Nov 7-10, 2017, BEXCO, Pusan, Korea (INVITED TALK)
  39. C.-H. Yang, Configurable topological textures in ferroelectrics, 2017 LBNL-DGIST Joint Institute for Microscopy International Workshop, May 10, 2017, LBNL, Berkeley, USA (INVITED TALK)
  40. C.-H. Yang, A radial-quadrant domain structure in ferroelectric nanoplates: a new route into charged domain walls and topological structures, Electronic Materials and Applications 2017, Jan 18-20, 2017, Orlando, USA (INVITED TALK)
  41. C.-H. Yang, Visualization of oxygen vacancy in motion in Ca-doped BiFeO3, The 8th APCTP Workshop on Multiferroics, Oct 7-10, 2016, Shanghai, China (INVITED TALK)
  42. K. Chu and C.-H. Yang, Enhancement of the anisotropic photocurrent in ferroelectric oxides by flexoelectricity, International Workshop on Oxide Electronics 23, Oct 12-14, 2016, Nanjing, China (INVITED TALK)
  43. C.-H. Yang, Hole doping BiFeO3, UCSB-KAIST-KAERI Workshop on Neutrons for Advanced Materials, Mar 21-22, 2016, Santa Barbara, USA (INVITED TALK)
  44. C.-H. Yang, Enhancement of the anisotropic photocurrent in ferroelectric oxides by strain gradients, NANOPIA 2015, Nov 12-13, 2015, Changwon, Korea (INVITED TALK)
  45. C.-H. Yang, Multiferroic bismuth ferrite and its emergent magnetoelectric property, KAIST-MIT-Technion Symposium on Nanoscale Emerging Materials, Aug 11-12, 2015, Daejeon, Korea (INVITED TALK)
  46. C.-H. Yang, Hole doping BiFeO3, Delocalisation transitions in disordered systems, July 24-Aug 02, 2015, Pohang, Korea (INVITED TALK)
  47. K. Chu and C.-H. Yang, Flexoelectrical enhancement of photocurrent arising from interfacial strain gradient, International Workshop on Topological Structures in Ferroic Materials, May 19-21, 2015, Sydney, Australia (INVITED TALK)
  48. B.-K. Jang and C.-H. Yang, Electric-field-induced magnetic phase transition near a multiferroic triple point of BiFeO3, Electronic Materials and Applications 2015, Jan 21-23, 2015, Orlando, USA
  49. K. Chu, J. S. Lim, and C.-H. Yang, Electronic conduction in BiFeO3 and related compounds, The 6th IACS-APCTP Conference on Novel Oxide Materials and Low Dimensional Systems, Dec 17-20, 2014, Seoul, Korea (INVITED TALK)
  50. C.-H. Yang, Dipolar charged domain walls at the polymorphic phase interfaces of BiFeO3, The 6th APCTP Workshop on Multiferroics, Nov 24-27, 2014, Pohang, Korea (INVITED TALK)
  51. C.-H. Yang, Complex oxide heterostructures and multiferroics, Future Ferroelectrics 2014, Aug 20-22, 2014, Higashi-Hiroshima, Japan (INVITED TALK)
  52. C.-H. Yang, Flexoelectrical enhancement of anisotropic photocurrent arising from interfacial strain gradient, The 10th Japan-Korea Conference on Ferroelectrics, Aug 17-20, 2014, Hiroshima, Japan (INVITED TALK)
  53. B.-K. Jang and C.-H. Yang, Electric control of magnetic state near a multiferroic triple point, 5th International Symposium on Structure-Property Relationships in Solid State Materials (SPSSM-5), June 22-27, 2014 Qingdao, China (INVITED TALK)
  54. C.-H. Yang, Doping driven control of the concomitant ferroelectric and magnetic transition in bismuth ferrites, 13th International Ceramic Congress, June 8-20, 2014, Montecatini Terme, Italy (INVITED TALK)
  55. C.-H. Yang, Inter-coupling between ferroelectricity and magnetism in tetragonal-like doped bismuth ferrites, International Conference on Small Science, Dec 15-18, 2013, Las Vegas, USA (INVITED TALK)
  56. C.-H. Yang, Novel magnetoelectric and interfacial phenomena in bismuth iron oxides, The IACS-APCTP Conference on “Novel Oxide Materials and Low Dimensional Systems”, Dec 9-11, 2013, IISc, Bangalore, India (INVITED TALK)
  57. J. H. Lee and C.-H. Yang, A new route toward electrical control of magnetic state: uniaxially tensile strained BiFeO3 thin films, The 2nd International conference on Advanced Electromaterials, Nov 12-15, 2013, ICC Jeju, Jeju, Korea (INVITED TALK)
  58. C.-H. Yang, Phase competition and colossal effect in strained multiferroics. 5th APCTP Workshop on Multiferroics, May 22-24, 2013, Nanyang Technological University, Singapore (INVITED TALK)
  59. C.-H. Yang, Emerging phenomena in highly elongated multiferroic BiFeO3, A3 Joint Research on Novel Properties of Complex Oxides, Mar 14-16, 2013, University of Tokyo, Japan (INVITED TALK)
  60. C.-H. Yang, Effect of Heteroepitaxial Strain on BiFeO3, Quantum Materials Symposium (QMS13), Jan 28 - Feb 02, 2013, Muju, Korea (INVITED TALK)
  61. C.-H. Yang, Flexoelectrical enhancement of anisotropic photo-induced current in morphotropic phase boundary. Energy Materials Nanotechnology(EMN) Fall Meeting, Nov 29 – Dec 2, 2012, Las Vegas, USA (INVITED TALK)
  62. C.-H. Yang, Concurrent transition of magnetic and ferroelectric order near room temperature, The 9th Korea-Japan Conference on Ferroelectrics, Aug 7-10, 2012, Ulsan, Korea (INVITED TALK)
  63. C.-H. Yang, Multiferroic transition of quasi-layered (tetragonal-like) bismuth ferrite thin films, International Conference on Magnetism, July 9-13, 2012, Pusan, Korea
  64. C.-H. Yang, Visualization of n-p junction produced by oxygen vacancy migration, Collaborative Conference on Materials Research (CCMR), June 25-29, 2012, Seoul, Korea (INVITED TALK)
  65. C.-H. Yang, Multiferroic transition in a quasi-layered perovskite, KAIST-UCSB Workshop on Exploring Structures at Multiple Length Scales, Aug 29-30, 2011, Daejeon, Korea (INVITED TALK)
  66. C.-H. Yang, A quasi-layered perovskite as a new multiferroic, 3rd Workshop on Novel Electronic Materials, Jun 10-15, 2011, Wuhan, China (INVITED TALK)
  67. C.-H. Yang, Electric switching of magnetism, conduction, and crystal structure in multiferroic BiFeO3, 11th Korea-Japan-Taiwan Symposium on Strongly Correlated Electron System, Feb 9-12 2011, Jeju, Korea (INVITED TALK)
  68. C.-H. Yang, Metastable multiferroic BiFeO3 thin films, International Conference of AUMS, Dec 5-8, 2010, Jeju, Korea (INVITED TALK)
  69. C.-H. Yang, Emerging phenomena in multiferroic BiFeO3 films, 2nd APCTP Workshop on Multiferroics, Jan 8-12, 2010, Taipei, Taiwan (INVITED TALK)
  70. C.-H. Yang, Electric field control of conduction in a doped multiferroic, Workshop on Competing Interactions and Colossal Responses in Transition Metal Compounds, Aug 10-14, 2009, Telluride, USA. (INVITED TALK)
  71. C.-H. Yang, J. Seidel, S. Y. Kim, P. Rossen, P. Yu, Y.-H. Chu, M. Gajek, N. Balke, M. B. Holcomn, L. W. Martin, S. R. Basu, M. L. Scullin, and R. Ramesh, Electric-field-driven conductor-insulator transition in doped multiferroic, MRS, Apr 13-17, 2009, San Francisco, USA (INVITED TALK)
  72. C.-H. Yang, J. Seidel, S.-Y. Kim, M. Gajek, P. Yu, M. B. Holcomb, L. W. Martin, R. Ramesh, Y. H. Chu, Electronic conduction in doped multiferroic BiFeO3. APS March meeting, Mar 16-20, 2009, Pittsburgh, Pennsylvania, USA.
  73. C.-H. Yang, S. Y. Kim, N. Balke, J. Seidel, M. Chi, N. D. Browning, M. Scullin, P. Yu, L. W. Martin, Y. H. Chu, M. Huijben, and R. Ramesh, Hole-doped BiFeO3 films, APS March meeting, Mar 10-14, 2008, New Orleans, LA, USA.
  74. C.-H. Yang, Y.-H. Chu, L. W. Martin, M. Huijben, M. B. Holcomb, S. Y. Yang, K. Lee, and R. Ramesh, X-ray diffraction study on the strain states of multiferroic BiFeO3 films and related superlattices, MRS Fall 2007, Nov 26-30, 2007, Boston, MA, USA
  75. C.-H. Yang, T. Y. Koo, and Y. H. Jeong, The orbital and magnetic properties of multiferroic BiMnO3 thin film, MRS Fall 2005, Nov 28-Dec 02, 2005, Boston, MA, USA.
  76. C.-H. Yang, T. Y. Koo, K.-B. Lee, and Y. H. Jeong, Orbital ordering and enhancement of magnetic frustration of perovskite BiMnO3 film, American Physical Society Meeting, Mar 22-26, 2004, Montreal, Canada.
  77. C.-H. Yang, S-J. Han, Y. H. Jeong, The combinatorial synthesis of ZnO based diluted magnetic semiconductor films, American Physical Society Meeting, Mar 18-22, 2002, Indianapolis, USA.
  78. C.-H. Yang, and Y. H. Jeong, High resolution neutron powder diffraction, resistance and elastic constant measurements of La5/8Ca3/8MnO3 at high temperatures., The International Symposium on Magnetics, Sep 28-30, 2000, Jeju, Korea.
  79. C.-H. Yang, K.-B. Lee, Y. H. Jeong, Y. N. Choi, C.-H. Lee, S. U. Park, and S. Y. Jeong, High resolution neutron powder diffraction, resistance and elastic constant measurements of La5/8Ca3/8MnO3 at high temperatures, The 7th Workshop on Strongly Correlated Electron Systems, July 17-28, 2000, Trieste, Italy.
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