CHAN-HO YANG, Ph. D. Associate Professor Department of Physics, Korea Advanced Institute of Science and Technology (KAIST) Affiliated with KAIST Institute for the NanoCentury Address : Department of Physics, Natural Science Building (E6-2), KAIST 291 Daehak-ro, Yuseong-gu , Daejeon 305-701, Republic of Korea Phone : +82-42-350-2513 E-mail :
[email protected]
Fax: +82-42-350-2510 Webpage : http://oxide.kaist.ac.kr
RESEARCH INTERESTS
Growth and Characterization of Epitaxial Transition Metal Oxide Thin Films
Strongly Correlated Phenomena in Complex Oxide Thin Films
Orbital Physics and Magnetism
Ferroelectrics, Multiferroics and Magnetoelectric Effects
Nanoscale Characterization of Multiferroic Materials
Resonant X-ray Scattering to Probe Orbital/Magnetic Ordering
Oxide Electronics and Interfacial Phenomena
EDUCATION Doctor of Philosophy in Physics Pohang University of Science and Technology (POSTECH),
Aug 2005
Thesis : The Study on Orbital and Magnetoelectric Properties of Multiferroic Thin Films Advisor: Prof. Yoon Hee Jeong Master of Science in Physics Pohang University of Science and Technology (POSTECH),
Feb 2000
Thesis : The Elastic and Structural Properties of La5/8Ca3/8MnO3 Advisor: Prof. Yoon Hee Jeong Bachelor of Science in Physics Pohang University of Science and Technology (POSTECH),
Feb 1998
Subject : Stripe Phase Orders of Charge and Spin for the 2-D Systems of Strongly Correlated Electrons at and near Half-filling. Advisor: Prof. Sung Ho Salk 1
EMPLOYMENT 2005.8
- 2006.6
2006.7 - 2009.12
Post-doctoral Researcher, Electron Spin Science Center, POSTECH Post-doctoral Researcher, Department of Physics, University of California, Berkeley. Advisor : Prof. Ramamoorthy Ramesh
2010.1 - 2013.2
Assistant Professor, Department of Physics, KAIST
2013.3 - present
Associate Professor, Department of Physics, KAIST
HONORS AND AWARDS 1998
Chang-Rim Prize for excellence in graduate studies.
2006
Postdoctoral Fellow (Korea Research Foundation)
2010
TJ Park Science Fellow for Junior Faculty (POSCO Foundation)
2010
EWon Assistant Professorship for Outstanding Junior Faculty (KAIST)
2011
Outstanding Lecture Award (College of Natural Science, KAIST)
2014
Outstanding Lecture Award (College of Natural Science, KAIST)
ACTIVITIES
A co-organizer for 6th APCTP Workshop on Multiferroics (2014).
International Advisory Board of 13th CIMTEC, Montecatini Terme, Italy, June 8-20 (2014).
Acting as a vice-executive editor, Current Applied Physics (CAP) 2013-2014.
Organizer for the Symposium : Emerging Frontiers in Multiferroics, Korean Physical Society (KPS) Spring meeting, Daejeon, Apr 24-26, 2013
Acted as a co-organizer for the Symposium AA: Oxide Nanoelectronics and Multifunctional Dielectrics, Materials Research Society (MRS) Fall meeting, Boston, USA, Nov 26-30, 2012
LIST OF PUBLICATIONS 1.
Jin Hong Lee, Kanghyun Chu, Ahmet A. Ü nal, Sergio Valencia, Florian Kronast, Stefan Kowarik, Jan Seidel, and Chan-Ho Yang, Phase separation and electrical switching between two isosymmetric multiferroic phases in tensile strained BiFeO3 thin films, Phys. Rev. B 89, 140101 (2014).
2.
Kwang Eun Kim, Byung-Kweon Jang, Yooun Heo, Jin Hong Lee, Myoungho Jeong, Jeong Yong Lee, Jan Seidel, and Chan-Ho Yang, Electric control of straight stripe conductive mixed phase nanostructures in La-doped BiFeO3, NPG Asia Materials 6, e81 (2014). 2
3.
A. Biswas, P. B. Rossen, J. Ravichandran, Y. H. Chu, Y.-W. Lee, C.-H. Yang, R. Ramesh, Y. H. Jeong, Selective A- or B-site single termination on surfaces of layered oxide SrLaAlO4, Appl. Phys. Lett. 102, 051603 (2013).
4.
Ji Ho Sung, Won-Mo Lee, Jin Hong Lee, Kanghyun Chu, Donghun Lee, Xavier Moya, Neil D. Mathur, Chan-Ho Yang, Jae-Hoon Park, and Moon-Ho Jo, Single ferroelectric-domain photovoltaic switch based on lateral BiFeO3 cells, NPG Asia Materials 5, e38 (2013).
5.
K. Kamala Bharathi, Won-Mo Lee, Ji Ho Sung, Ji Soo Lim, Seung Jin Kim, Kanghyun Chu, Jung Won Park, Jonghyun Song, Moon-Ho Jo, Chan-Ho Yang, Detection of electrically formed photosensitive area in Ca-doped BiFeO3 thin films, Appl. Phys. Lett. 102, 012908 (2013)
6.
Chan-Ho Yang, Daisuke Kan, Ichiro Takeuchi, Valanoor Nagarajan, Jan Seidel, Doping BiFeO3: approaches and enhanced functionality, Phys. Chem. Chem. Phys. 14, 15953 (2012). (Invited perspective)
7.
Chang-Su Woo, Jin Hong Lee, Kanghyun Chu, Byung-Kweon Jang, Yong-Bae Kim, Tae Yeong Koo, Ping Yang, Yajun Qi, Zuhuang Chen, Lang Chen, Hong Chul Choi, Ji Hoon Shim, Chan-Ho Yang, Suppression of mixed phase areas in highly elongated BiFeO3 thin films on NdAlO3 substrates, Phys. Rev. B 86, 054417 (2012).
8.
P. Yu, W. Luo, D. Yi, J. X. Zhang, M. D. Rossell, C.-H. Yang, L. You, G. Singh-Bhalla, S. Y. Yang, Q. He, Q. M. Ramasse, R. Erni, L. W. Martin, Y. H. Chu, S. T. Pantelides, S. J. Pennycook, R. Ramesh, Interface control of bulk ferroelectric polarization, Proceedings of the National Academy of Sciences U.S.A. 109, 9710 (2012).
9.
J. Seidel, W. Luo, S.J. Suresha, P.-K. Nguyen, A.S. Lee, S.-Y. Kim, C.-H. Yang, S.J. Pennycook, S.T. Pantelides, J.F. Scott, R. Ramesh, Prominent electrochromism through vacancy-order melting in a complex oxide, Nature Communications 3, 799 (2012).
10. Won-Mo Lee, Ji Ho Sung, Kanghyun Chu, Xavier Moya, Donghun Lee, Cheol-Joo Kim, Neil D. Marthur, S.-W. Cheong, Chan-Ho Yang, Moon-Ho Jo, Spatially resolved photodetection in leaky ferroelectric BiFeO3, Adv. Mater. 24, OP49-OP53 (2012). 11. Kyung-Tae Ko, Min Hwa Jung, Qing He, Jin Hong Lee, Chang Su Woo, Kanghyun Chu, Jan Seidel, Byung-Gu Jeon, Yoon Seok Oh, Kee Hoon Kim, Wen-I Liang, Hsiang-Jung Chen, Ying-Hao Chu, Yoon Hee Jeong, Ramamoorthy Ramesh, Jae-Hoon Park, and Chan-Ho
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Yang, Concurrent transition of ferroelectric and magnetic ordering near room temperature, Nature Communications 2, 567 (2011). 12. K.-Y. Choi, S. H. Do, P. Lemmens, D. Wulferding, C. S. Woo, J. H. Lee, K. Chu, and C.-H. Yang, Anomalous low-energy phonons in nearly tetragonal BiFeO3 thin films, Phys. Rev. B 84, 132408 (2011). 13. S.C. Kehr, Y.M. Liu, L.W. Martin, P. Yu, M. Gajek, S.-Y. Yang, C.-H. Yang, M.T. Wenzel, R. Jacob, H.-G. von Ribbeck, et al., Near-field examination of perovskite-based superlenses and superlens-enhanced probe-object coupling, Nature Communications 2, 249 (2011). 14. A. Biswas, P. B. Rossen, C.-H. Yang, W. Siemons, M.-H. Jung, I. K. Yang, R. Ramesh, and Y. H. Jeong, Universal Ti-rich termination of atomically flat SrTiO3 (001), (110), and (111) surfaces, Appl. Phys. Lett. 98, 051904 (2011). 15. J. Seidel, P. Maksymovych, Y. Batra, A. Katan, S. Y. Yang, Q. He, A. P. Baddorf, S. V. Kalinin, C.-H. Yang, J. C. Yang, Y. H. Chu, E. K. H. Salje, H. Wormeester, M. Salmeron, R. Ramesh, Domain wall conductivity in La-doped BiFeO3, Phys. Rev. Lett. 105, 197603 (2010). 16. Josee E. Kleibeuker, Gertjan Koster, Wolter Siemons, David Dubbink, Bouwe Kuiper, Jeroen L. Blok, Chan-Ho Yang, Jayakanth Ravichandran, Ramamoorthy Ramesh, Johan E. ten Elshof, Dave H. A. Blank, and Guus Rijnders, Atomically defined rare earth scandate crystal surfaces, Adv. Funct. Mater. 20, 3490 (2010). 17. P. Yu, J. S. Lee, S. Okamoto, M. D. Rossell, M. Huijben, C.-H. Yang, Q. He, J. X. Zhang, S. Y. Yang, M. J. Lee, Q. M. Ramasse, R. Erni, Y. H. Chu, D. A. Arena, C. C. Kao, L. W. Martin, and R. Ramesh, Interface ferromagnetism and orbital reconstruction in BiFeO3La0.7Sr0.3MnO3 heterostructures, Phys. Rev. Lett. 105, 027201 (2010). 18. M. B. Holcomb, L. W. Martin, A. Scholl, Q. He, P. Yu, C.-H. Yang, S. Y. Yang, P. A. Glans, M. Valvidares, M. Huijben, J. B. Kortright, J. Guo, Y. H. Chu, and R. Ramesh, Probing the evolution of antiferromagnetism in multiferroics, Phys. Rev. B 81, 134406 (2010). 19. S. Y. Yang, J. Seidel, S. J. Byrnes, P. Shafer, C.-H. Yang, M. D. Rossell, P. Yu, Y.-H. Chu, J. F. Scott, J. W. Ager III, L. W. Martin, and R. Ramesh, Above-bandgap voltages from ferroelectric photovoltaic device, Nature Nanotechnology 5, 143 (2010).
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