~2010

2011~2020

2021~

23. Observation of anomalous phonons in orthorhombic rare-earth manganites

P. Gao, H. Y. Chen, T. A. Tyson, Z. X. Liu, J. M. Bai, L. P. Wang, Y. J. Choi, and S.-W. Cheong

APPLIED PHYSICS LETTERS 97, 262905 (2010)

22. Cross-Control of Magnetization and Polarization by Electric and Magnetic Fields with Competing Multiferroic and Weak-Ferromagnetic Phases

Y. J. Choi, C. L. Zhang, N. Lee, and S-W. Cheong

Physical Review Letters 105, 097201 (2010)

21. Coupling between magnon and ligand-field excitations in magnetoelectric Tb3Fe5O12 garnet

T. D. Kang, E. Standard, K. H. Ahn, A. A. Sirenko, G. L. Carr, S. Park, Y. J. Choi, M. Ramazanoglu, V. Kiryukhin, and S.-W. Cheong

PHYSICAL REVIEW B 82, 014414 (2010)

20. Surface reconstruction of hexagonal Y-doped HoMnO3 and LuMnO3 studied using low-energy electron diffraction

R. Vasić, J. T. Sadowski, Y. J. Choi, H. D. Zhou, C. R. Wiebe, S. W. Cheong, J. E. Rowe, and M. D. Ulrich

PHYSICAL REVIEW B 81, 165417 (2010)

19. Origin of Electric-Field-Induced Magnetization in Multiferroic HoMnO3

B. G. Ueland, J. W. Lynn, M. Laver, Y. J. Choi, and S.-W. Cheong

Physical Review Letters 104, 147204 (2010)

18. Insulating interlocked ferroelectric and structural antiphase domain walls in multiferroic YMnO3

T. Choi, Y. Horibe, H. T. Yi, Y. J. Choi , Weida Wu and S.-W. Cheong

Nature Materials 9, 253–258 (2010)

17. Magnetic excitations and optical transitions in the multiferroic spin-1/2 system LiCu2O2

D. Hüvonen, U. Nagel, T. Rõõm, Y. J. Choi, C. L. Zhang, S. Park, and S.-W. Cheong

PHYSICAL REVIEW B 80, 100402(R) (2009)

16. Giant magnetic coercivity and ionic superlattice nano-domains in Fe0.25TaS2

Y. J. Choi, S. B. Kim, T. Asada, S. Park, Weida Wu, Y. Horibe and S-W. Cheong

Europhysics Letters 86, 37012 (2009)

15. Order by Static Disorder in the Ising Chain Magnet Ca3Co2-xMnxO6

V. Kiryukhin, Seongsu Lee, W. Ratcliff II, Q. Huang, H. T. Yi, Y. J. Choi, and S-W. Cheong

Physical Review Letters 102, 187202 (2009)

14. Pancakelike Ising domains and charge-ordered superlattice domains in LuFe2O4

S. Park, Y. Horibe, Y. J. Choi, C. L. Zhang, S.-W. Cheong, and Weida Wu

PHYSICAL REVIEW B 79, 180401(R) (2009)

13. Switchable Ferroelectric Diode and Photovoltaic Effect in BiFeO3

T. Choi, S. Lee, Y. J. Choi, V. Kiryukhin, S.-W. Cheong

Science 324, 5923, 63-66 (2009)

12. Thermally or magnetically induced polarization reversal in the multiferroic CoCr2O4

Y. J. Choi, J. Okamoto, D. J. Huang, K. S. Chao, H. J. Lin, C. T. Chen, M. van Veenendaal, T. A. Kaplan, and S-W. Cheong

Physical Review Letters 102, 067601 (2009)

11. Origin of Electromagnon Excitations in Multiferroic RMnO3

R. Valde´s Aguilar, M. Mostovoy, A. B. Sushkov, C. L. Zhang, Y. J. Choi, S-W. Cheong, and H. D. Drew

Physical Review Letters 102, 047203 (2009)

10. 3:1 magnetization plateau and suppression of ferroelectric polarization in an Ising chain multiferroic

Y. J. Jo, Seongsu Lee, E. S. Choi, H. T. Yi, W. Ratcliff II, Y. J. Choi, V. Kiryukhin, S. W. Cheong, and L. Balicas

PHYSICAL REVIEW B 79, 012407 (2009)

9. Formation of pancakelike ising domains and giant magnetic coercivity in ferrimagnetic LuFe2O4

Weida Wu, V. Kiryukhin, H.-J. Noh, K.-T. Ko, J.-H. Park, W. Ratcliff II, P. A. Sharma, N. Harrison, Y. J. Choi, Y. Horibe, S. Lee, S. Park, H. T. Yi, C. L. Zhang, and S.-W. Cheong

Physical Review Letters 101, 137203 (2008)

8. Multiferroicity in the spin-1/2 quantum matter of LiCu2O2

A. Rusydi, I. Mahns, S. Müller, M. Rübhausen, S. Park, Y. J. Choi, C. L. Zhang, S.-W. Cheong, S. Smadici, P. Abbamonte, M. v. Zimmermann, and G. A. Sawatzky

APPLIED PHYSICS LETTERS 92, 262506 (2008)

7. Multiferroicity in the square-lattice antiferromagnet of Ba2CoGe2O7

H. T. Yi, Y. J. Choi, S. Lee, and S.-W. Cheong

APPLIED PHYSICS LETTERS 92, 212904 (2008)

6. Spin-phonon coupling in frustrated magnet CdCr2O4

R. Valdés Aguilar, A. B. Sushkov, Y. J. Choi, S.-W. Cheong, and H. D. Drew

PHYSICAL REVIEW B 77, 092412 (2008)

5. Ferroelectricity in an Ising chain magnet

Y. J. Choi, H. T. Yi, S. Lee, Q. Huang, V. Kiryukhin, and S.-W. Cheong

Physical Review Letters 100, 047601 (2008)

4. Magnetic nanocheckerboards with tunable sizes in the Mn-doped CoFe2O4 spinel

C. L. Zhang, C. M. Tseng, C. H. Chen, S. Yeo, Y. J. Choi, and S.-W. Cheong