Hyun Myung Jang's Lab. of Materials Physics


Department of Materials Science and Engineering





Special Lecture
on Quantum






English / Korean

Hyun M. Jang (íå úèÙ¥)

Division of Advanced Materials Science and Department of Materials Science and Engineering & Department of Physics, Pohang University of Science and Technology (POSTECH), San 31 Hyojadong, Pohang 790-784, Korea.
Tel: +82 54 279-2138 Fax: +82 54 279-2399,

hmjang@postech.ac.kr, http://ferro.postech.ac.kr

* Education


Ph.D., University of California, Berkeley (Mater. Sci. & Engr.)



M.S., Washington University (Chemical Physics)


B.S., Seoul National University (Chemistry; Honors)


* Professional Career


Nominator for the Nobel Prize in Physics, The Royal Swedish Academy of Sciences


Se-Ah Distinguished Professor of Materials Science and Physics, POSTECH


Chairman, Mater. Sci. & Engr. Division, Korea Academy of Science and Technology (KAST)


Joint Professor, Dept. of Physics, POSTECH


Science Planning Committee, Ministry of Science and Technology (MOST) of Korea Government


Nanotechnology (NT) Planning Committee, Ministry of Science and Technology (MOST) of Korea Government


Fellow elected, Korea Academy of Science and Technology (KAST)


Director, National Research Lab. (NRL) for Ferroelectrics


International Committee, International Ceramics Congress (ICC)


Dept. Head, MS&E Dept., POSTECH


Professor, MS&E Dept., POSTECH


Assistant, Associate Professor, MS&E Dept., POSTECH


Research Fellow, Massachusetts Institute of Technology (MIT; MS&E Dept.)


Research Associate, Lawrence Berkeley National Lab. (LBNL)


* Awards and Honors

2002   ¡®One Thousand Great Scientists Medal,¡¯ International Biographical Centre (IBC), England

2002   ¡®Excellent Research Award,¡¯ POSTECH

1999   Registered in ¡®Marquis Who¡¯s Who in Science and Engineering¡¯

1999   Fellow elected, Korea Academy of Science and Technology (KAST)

1998   ¡®Excellent Research Award,¡¯ POSTECH

1998   Registered in ¡°Marquis Who¡¯s Who in the World¡¯

1996, 2001  Named as ¡®World Leading Scientists in Ceramics,¡¯ International Ceramics Congress (ICC)


* Current Research Areas

(i) First-Principles Computations of Electronic & Spin Structures and Orbital Interactions,

(ii) Multiferroic and Ferroelectric Thin Films and Nanostructures; Fundamental Study & Applications to Design and Fabrication of Ultra-High Density Memory Devices,

(iii) Fabrication and Characterizations of Quantum-Dot-Sensitized Solar Cells (QDS-SC) and Dye-Sensitized Solar Cells (DS-SC),

(iv) Landau-Lifshitz-Ginzburg Theory of Multiferroics and Ferroelectrics,

(v) Statistical Mechanics for Displacive Phase Transitions.


* 35 Representative Publications (Since 2000)

(IF = journal impact factor, NC = number of citations until February 2012).

Articles published by professor Hyun M. Jang have been cited more than 6,000 times until now. Three of his articles have been cited more than 350 times, 12 articles with more than 100 citations, and 26 articles with more than 50 citations.


1.  Young Kyu Jeong, Jung-Hoon Lee, Suk-Jin Ahn, Seung-Woo Song, Hyun M. Jang, Hyojin Choi, and James F. Scott, ¡°Structurally Tailored Hexagonal Ferroelectricity and Multiferroism in Epitaxial YbFeO3 Thin-Film Heterostructures,¡± J. Am. Chem. Soc. (ACS), Vol. 134, pp. 1450-1453 (January 10, 2012)/ IF 9.023.


2.  Jung-Hoon Lee, Min-Ae Oak, Hyoung J. Choi, Jong Y. Son, and Hyun M. Jang, ¡°Rhombohedral-Orthorhombic Morphotropic Phase Boundary in BiFeO3-based Multiferroics: First-Principles Prediction,¡± J. Mater. Chem. (RSC), Vol. 22, No. 4, pp. 1667-1672 (2012)/ IF 5.101.


3.  Min-Ae Oak, Jung-Hoon Lee, and Hyun M. Jang, ¡°Asymmetric Ho 5d-O 2p Hybridization as the Origin of Hexagonal Ferroelectricity in Multiferroic HoMnO3,¡± Phys. Rev. B, Vol. 84, Art. No. 153106 (October 2011)/ IF 3.774.


4.  Jung-Hoon Lee, Young K. Jeong, Jung H. Park, Min-Ae Oak, Hyun M. Jang, Jong Y. Son, and James F. Scott, ¡°Spin-canting-induced Improper Ferroelectricity and Spontaneous Magnetization Reversal in SmFeO3,¡± Phys. Rev. Lett., Vol. 107, Art. No. 117201 (September 2011)/ IF 7.622/ selected as a Highlighted Article.


5.  Yoon-Cheol Park, Yong-June Chang, Byung-Gon Kum, Eui-Hyun Kong, Jong Y. Son, Young S. Kwon, Taiho Park, and Hyun M. Jang, ¡°Size-tunable Mesoporous Spherical TiO2 as a Scattering Overlayer in High-Performance Dye-sensitized Solar Cells,¡± J. Mater. Chem. (RSC), Vol. 21, No. 26, pp. 9582-9586 (2011)/ IF 5.101, NC = 1.


6.  Yun-Sok Shin, Jong Y. Son, Moon-Ho Jo, Young-Han Shin, and Hyun M. Jang, ¡°High-Mobility Graphene Nanoribbons Prepared Using Polystyrene Dip-Pen Nanolithography,¡± J. Am. Chem. Soc., Vol. 133, pp. 5623-5625 (2011)/ IF 9.023, NC = 4/ Featured Highlight: Nature Publishing Group(NPG) Asia Materials/ http://www.natureasia.com/asia-materials/highlight.php?id=918


7.  Min-Ae Oak, Jung-Hoon Lee, Hyun M. Jang, Jung S. Goh, Hyoung J. Choi, and James F. Scott, ¡°4d-5p Orbital Mixing and Asymmetric In 4d-O 2p Hybridization in InMnO3: A New Bonding Mechanism of the Hexagonal Ferroelectricity,¡± Phys. Rev. Lett..Vol. 106, Art. No. 047601 (2011)/ IF 7.622, NC = 5.


8.  Jong Y. Son, Sangwoo Ryu, Yoon-Cheol Park, Yun-Tak Lim, Yun-Sok Shin, Young-Han Shin,, and Hyun M. Jang, ¡°A Nonvolatile Memory Device Made of a Ferroelectric Polymer Gate Nanodot and a Single-Walled Carbon Nanotube,¡± ACS Nano (Am. Chem. Soc.), Vol. 4, No. 12, pp. 7315-7320 (2010)/ IF 9.865, NC = 2.


9.  Jung-Hoon Lee, Hyoung J. Choi, Dongeun Lee, Min G. Kim, Chung W. Bark, Sangwoo Ryu, Min-Ae Oak, and Hyun M. Jang, ¡°Variations of Ferroelectric Off-Centering Distortion and 3d-4p Orbital Mixing in La-doped BiFeO3 Multiferroics,¡± Phys. Rev. B, Vol. 82, Art. No. 045113 (2010)/ IF 3.774, NC = 5.


10. Jung H. Park, Jung-Hoon Lee, Min. G. Kim, Young K. Jeong, Min-Ae Oak, Hyun M. Jang, Hyoung J. Choi, and James F. Scott, ¡°In-Plane-Strain Control of the Magnetic Remanence and Cation-Charge Redistribution in CoFe2O4 Thin Film Grown on a Piezoelectric Substrate,¡± Phys. Rev. B, Vol. 81, Art. No. 134401 (2010)/ IF 3.774, NC = 3.


11. Jong Y. Son, Cheol H. Kim, Jin H. Cho, Y.-H. Shin, and Hyun M. Jang, ¡°Self-formed Exchange Bias of Switchable Conducting filaments in NiO resistive Random Access Memory Capacitors,¡± ACS Nano, Vol. 4, No. 6, pp. 3288-3292 (2010)/ IF 7.493.


12. Jong Y. Son, Young-Han Shin, Hyungjun Kim, and Hyun M. Jang, ¡°NiO Resistive Random Access Memory Nanocapacitor Array on Graphene,¡± ACS Nano (Am. Chem. Soc.), Vol. 4, No. 5, pp. 2655-2658 (2010)/ IF 9.865, NC = 18.


13. S. Ryu, J. Y. Son, Y.-H. Shin, Hyun M. Jang, and J. F. Scott, ¡°Polarization Switching Characteristics of BiFeO3 Thin Films Epitaxially Grown on Pt/MgO at a low Temperature,¡± Appl. Phys. Lett., Vol. 95, Art. No. 242902 (2009)/ IF 3.554, NC = 4.


14. S. Ryu, J.-Y. Kim, Y.-H. Shin, B.-G. Park, J. Y. Son, and Hyun M. Jang, ¡°Enhanced Magnetization and Modulated Orbital Hybridization in Epitaxially Constrained BiFeO3 Thin Films with Rhombohedral Symmetry,¡± Chem. of Mater. (Am. Chem. Soc.), vol. 21, pp. 5050-5057 (2009)/ IF 5.368. NC = 10.


15. Hyun M. Jang, Min-Ae Oak, Jung-Hoon Lee, Young K. Jeong, and James F. Scott, ¡°Softening Behavior of the Ferroelectric A1(TO) Phonon near Curie Temperature,¡± Phys. Rev. B, Vol. 80, Art. No. 132105 (2009)/ IF 3.475, NC = 9.


16. Jong Y. Son, Young-Han Shin, Hyungjun Kim, and Hyun M. Jang, ¡°Dip-Pen Lithography of Ferroelectric PbTiO3 Nanodots,¡± J. Am. Chem. Soc. (Am. Chem. Soc.), Vol. 131, pp. 14676-14678 (2009)/ IF 8.58, NC = 12.


17. Jong Y. Son, G. Lee, M.-H. Jo, H. Kim, Hyun M. Jang, and Y.-H. Shin, ¡°Heteroepitaxial Ferroelectric ZnSnO3 Thin Film,¡± J. Am. Chem. Soc. (Am. Chem. Soc.), Vol. 131, pp. 8386-8387 (2009)/ IF 8.58, NC = 11.


18. H. M. Jang, J. H. Park, S. Ryu, and S. R. Shannigrahi, ¡°Magnetoelectric Coupling Susceptibility from Magnetodielectric Effect,¡± Appl. Phys. Lett., Vol. 93, Art. No. 252904 (2008)/ IF = 4.207, NC = 11.


19. J. H. Park, H. H. Shin, and H. M. Jang, ¡°Quasi-intrinsic Magnetoelectric Coupling in Multiferroic Nanocomposite Thin Films,¡± Phys. Rev. B, Vol. 77, Art. No. 212409 (2008)/ IF 3.475, NC = 8.


20. A. R. Lakshmanan, S.-B. Kim, H. M. Jang, B. G. Kum, B. K. Kang, S. Heo, and D. Seo, ¡°A Quantum Splitting Phosphor exploiting the Energy Transfer from Anion Excitons to Tb3+ in CaSO4:Tb,Na,¡± Adv. Func. Mater., Vol. 17, pp. 212-218 (2007)/ IF = 8.58, NC = 6.


21. J. Xu, J. H. Park, and H. M. Jang, ¡°Orbital-Spin-Phonon Coupling in Jahn-Teller-distorted LaMnO3 : Softening of 490 and 610 cm-1 Raman-active Modes,¡± Phys. Rev. B, Vol. 75, Art. No. 012409 (2007)/ IF 3.475, NC = 3.


22. M. K. Singh, H. M. Jang, S. Ryu, and M.-H. Jo, ¡°Polarized Raman Scattering of Multiferroic BiFeO3 Epitaxial Films with Rhombohedral R3c Symmetry,¡± Appl. Phys. Lett., Vol. 88, Art. No. 042907 (2006)/ IF 4.207, NC = 97.


23. Manoj K. Singh, Sangwoo Ryu, and Hyun M. Jang, ¡°Polarized Raman Scattering of Multiferroic BiFeO3 Thin Films with Pseudo-Tetragonal Symmetry,¡± Phys. Rev. B, Vol. 72, Art. No. 132101 (October 2005)/ IF 3.475, NC = 65.


24. Dongeun Lee, Min G. Kim, Sangwoo Ryu, Hyun M. Jang, and Sang G. Lee ¡°Epitaxially grown La-modified BiFeO3 Magnetoferroelectric Thin Films,¡± Appl. Phys. Lett., Vol. 86, Art. No. 222903 (2005) / IF = 4.207, NC = 149.


25. J. H. Park, H. M. Jang, M. G. Kim, Y. M. Kim, and S. Ryu, ¡°Co-metal Clustering as the Origin of Ferromagnetism in Co-doped ZnO Thin Films,¡± Appl. Phys. Lett., Vol. 84, No. 8, pp. 1338-1340 (2004) / IF = 4.207, NC = 337.


26. U. Chon, Hyun M. Jang, M. G. Kim, and C. H. Chang, ¡°Layered Perovskites with Giant Spontaneous Polarizations for Nonvolatile Memories,¡± Phys. Rev. Lett., Vol. 89, No. 8, Article No. 87601 (2002) / IF = 7.323, NC = 256.


27. S. W. Jung, W. I. Park, H. D. Cheong, G.-C. Yi, H. M. Jang, S. Hong, and T. Joo, ¡°Time-Resolved and Time-Integrated Photoluminescence in ZnO Epilayers Grown on Al2O3 (0001) by Metalorganic Vapor Phase Epitaxy,¡± Appl. Phys. Lett., Vol. 80, No. 11, pp. 1924-26 (2002)/ IF = 4.207, NC = 134.


28. S. R. Shannigrahi and Hyun M. Jang, "Fatigue-free Lead Zirconate Titanate-based Capacitors for Non-Volatile Memories," Appl. Phys. Lett., Vol. 79, No. 7, pp. 1051-1053 (2001)/ IF = 4.207, NC = 61.


29. U. Chon, K.-B. Kim, H. M. Jang, and G.-C. Yi, ¡°Fatigue-free Samarium-modified Bismuth Titanate (BSmT) Film Capacitors having large Spontaneous Polarizations,¡± Appl. Phys. Lett., Vol. 79, No. 19, pp. 3137-3139 (2001) / IF = 4.207, NC = 174.


30. W. I. Park, G.-C. Yi, and H. M. Jang, ¡°Metal-Organic Vapor Phase Epitaxial Growth and Photoluminescent Properties of Zn1-xMgxO Thin Films,¡± Appl. Phys. Lett., Vol. 79, No. 13, pp. 2022-2024 (2001) / IF = 4.207, NC = 250.


31. B.-G. Kim, S. M. Cho, T.-Y. Kim, and Hyun M. Jang, ¡°Giant Dielectric Permittivity Observed in Pb-based Perovskite Ferroelectrics,¡± Phys. Rev. Lett., Vol. 86, No. 15, pp. 3404-3406 (2001) / IF = 7.323, NC = 77.


32. Sung H. Oh and Hyun M. Jang, "Epitaxial Pb(Zr,Ti)O3 Thin Films with Coexisting Tetragonal and Rhombohedral Phases," Phys. Rev. B, Vol. 63, No. 13, Article No.132101 (2001)/ IF 3.475, NC = 23.


33. U. Chon, G. C. Yi, and H. M. Jang, "Fatigue-free Behavior of Highly Oriented Bi3.25La0.75Ti3O12 Thin Films grown on Pt/Ti/SiO2/Si(100) by Metal-Organic Solution Decomposition," Appl. Phys. Lett., Vol. 78, No. 5, pp. 658-660 (2001) / IF = 4.207, NC = 122.


34. T. Y. Kim and Hyun M. Jang, "The B-site Vacancy as the Origin of Spontaneous Normal-to-Relaxor Ferroelectric Transitions in La-modified PbTiO3," Appl. Phys. Lett., Vol. 77, No. 23, pp. 3824-3826 (2000)/ IF = 4.207, NC = 56.


35. S. H. Oh and Hyun M. Jang, "Two-Dimensional Thermodynamic Theory of Epitaxial Pb(Zr,Ti)O3 (PZT) Thin Films," Phys. Rev. B, Vol. 62, No. 22, pp. 14757-14765 (2000)/ IF 3.475, NC = 45.



Department of Materials Science and Engineering, Pohang University of Science and Technology,
Pohang, 790-784, Republic of Korea. TEL : 82-54-279-2805 / FAX : 82-54-279-5223

Copyright¨Ï Lab. of Multiferroic and Photovoltaic Nanostructures. All rights reserved.