20.  P. Gao, J. Britson, J. R. Jokisaari, C. T. Nelson, S.-H. Baek, Y. Wang, C.-B. Eom, L.-Q. Chen and X.Q. Pan*, “Atomic Scale Mechanisms of Ferroelastic Domain Wall Mediated Ferroelectric Switching”, Nature Communications 4, 3791 (2013).

21.  S. Lee, C. Tarantini, P. Gao, J. Jiang, J. D. Weiss, F. Kametani, C. M. Folkman, Y. Zhang, X. Q. Pan,  E. E. Hellstrom, D. C. Larbalestier and C. B. Eom* “Artificially engineered superlattices of pnictide superconductors”, Nature Materials 12, 392-396 (2013).

22.  L. Li, P. Gao, C.T. Nelson, J.R. Jokisaari, Y. Zhang, S.-J. Kim, A. Melville, C. Adamo, D.G. Schlom, and X.Q. Pan*, “Atomic Scale Structure Changes Induced by Charged Domain Walls in Ferroelectric Materials”, Nano Letters 13, 5218-5223 (2013).

23.  C. Beekman , W. Siemons , T. Z. Ward , M. Chi , J. Howe , M. D. Biegalski , N. Balke , P. Maksymovych , A. K. Farrar , J. B. Romero , P. Gao , X. Q. Pan , D. A. Tenne , and H. M. Christen*, “Phase Transitions, Phase Coexistence, and Piezoelectric Switching Behavior in Highly Strained BiFeO3 Films”, Advanced Materials DOI: 10.1002/adma.201302066 (2013).

24.  Z. L. Liao, P. Gao, S. Stadler, R.Y. Jin, X.Q. Pan, E. W. Plummer and and J. D. Zhang*, “Tuning properties of columnar nanocomposite oxides”, Appl. Phys. Lett. 103, 043112 (2013).

25.  R. P. Laughlin, D. A. Currie, R. Contreras-Guererro, A. Dedigama, W. Priyantha, R. Droopad, N. Theodoropoulou, P. Gao, and X.Q. Pan*, “Magnetic and structural properties of BiFeO3 thin films grown epitaxially on SrTiO3/Si substrates”. J. Appl. Phys. 113, 17D919 (2013)