T. Kumari, S. Jung, Y. Cho, H.-P. Kim, J. W. Lee, J. Oh, J. M. Baik, W. Jo, C. Yang, "Enhanced Photovoltaic Properties Based on a Built-in Electric Field Induced by Co-solvent Re-crystallisation of Ferroelectric Additives," submitted.
C.-H. Hong, H. Guo, X. Tan, J. E. Daniels, and W. Jo, "Polarization Reversal via a Transient Relaxor State in Nonergodic Relaxors near Freezing Temperature," submitted.
P. G. Le, T. L. Pham, T. D. Nguyen, J.-S. Lee, J. G. Fisher, H.-P. Kim, and W. Jo, "Solid State Crystal Growth of Single Crystals of 0.75(Na1/2Bi1/2)TiO3-0.25SrTiO3 and Their Characteristic Electrical Properties," submitted.
H.-P. Kim, H.-Y. Jeong, J.-H. Jang, G.-Y. Kim, S.-Y. Choi, H.-Y. Lee, S.-G. Lee, and W. Jo, "Symmetry-Bridging Phase as the Mechanism for the Large Strains in Relaxor-PbTiO3 Single Crystals," submitted.
S. Choo, H. W. Ban, D. H. Gu, H. Jeong, S. Jo, W. Jo, and J. S. Son, "Synthesis of Inorganic-Organic Two-Dimensional CdSe Slab-Diamine Quantum Nets," Small, in press.
A. R. Paterson, H. Nagata, X. Tan, J. E. Daniels, M. Hinterstein, R. Ranjan, P. B. Groszewicz, W. Jo, and J. L. Jones, Relaxor-Ferroelectric Transitions: Sodium Bismuth Titanate Derivatives," MRS Bulletin, 43  (2018) 600-06. Invited feature article
A. Ullah, H. B. Gul, A. Ullah, M. Sheeraz, J. S. Bae, W. Jo, C. W. Ahn, I. W. Kim, and T. H. Kim, "Giant Room-Temperature Electrostrictive Coefficients in Lead-Free Relaxor Ferroelectric Ceramics by Compositional Tuning," APL. Mater., 6  (2018) 016104.
H. Sun, J. G. Fisher, S.-H. Moon, H. T. Tran, J.-S. Lee, H.-S. Han, H.-P. Kim, and W. Jo, "Solid-State-Growth of Lead-Free Piezoelectric (Na1/2Bi1/2)TiO3-CaTiO3 Single Crystals and Their Characterization," Mater. Sci. Eng. B, 223 (2017) 109-19.
S. Jo, C.-H. Hong, D. S. Kim, H.-W. Kang, C. W. Ahn, H.-G. Lee, S. Nahm, W. Jo, S. H. Han, "Phase Transition Behavior and Mechanical Properties of (1-x)(Bi1/2Na1/2)TiO3-xSrTiO3 Lead-Free Piezoelectric Ceramics," Sens. Actuators A, 258 (2017) 201-07.
H.-P. Kim, C. W. Ahn, Y. Hwang, H.-Y. Lee, and W. Jo, "Strategies of A Potential Importance, Making Lead-Free Piezoceramcis Truly Alternative to PZTs," J. Kor. Ceram. Soc. 54  (2017) 86-95. Invited Review Article and Selected as a Research Highlight, 2018 Best Paper Award from KOFST ('제 28회 과학기술우수논문상', 한국과학기술단체총연합회)
P. B. Groszewicz, H. Breitzke, W. Jo, J. Rödel and G. Buntkowsky, " Local Structure of the B-Site in BNT-xBT Investigated by 47,49NMR: Effect of Barium Content," J. Appl. Phys. 121  (2017) 114104.
C. W. Ahn, G. Choi, I. W. Kim, J.-S. Lee, K. Wang, Y. Hwang, and W. Jo, "Forced electrostriction by constraining polarization switching enhances the electromechanical strain properties of incipient piezoceramics," NPG Asia Mater. 9 (2017) e349. Selected as a Research Highlight
H.-S. Han, J. Koruza, E. A. Patterson, J. Schultheiß, E. Erdem, W. Jo, J.-S. Lee, and J. Rödel, "Hardening behavior and highly enhanced mechanical quality factor in (K 0.5 Na 0.5) NbO 3–based ceramics." J. Eur. Ceram. Soc. 37 (2017) 2083-89.
S. K. Jo, S. H. Park, H. W. Ban, D. H. Gu, B.-S. Kim, J. H. Son, H.-K. Hong, Z. Lee, H.-S. Han, W. Jo, J. E. Lee, and J. S. Son, "Simultaneous improvement in electrical and thermal properties of interface engineered BiSbTe nanostructured thermoelectric materials." J. Alloys Compd. 689 (2016) 899-907.
S. H. Park , S. Jo , B. Kwon, F. Kim , H. W. Ban , J. E. Lee, D. H. Gu , S.-H. Lee , Y. Hwang, J.-S. Kim, D.-B. Hyun, S. Lee, K. Jin Choi, W. Jo and J. S. Son "High-performance shape-engineerable thermoelectric painting." Nat. Commun. 7 (2016) 13403.
T. H. Dinh, J.-K. Kang, J.-S. Lee, N. H. Khansur, J. Daniels, H. Y. Lee, F.-Z. Yao, K. Wang, J.-F. Li, H.-S. Han, and W. Jo, "Nanoscale ferroelectric/relaxor composites: Origin of large strain in lead–free Bi–based incipient piezoelectric ceramics." J. Eur. Ceram. Soc. 36 (2016) 3401–07.
P. B. Groszewicz, M. Gröting, H. Breitzke, W. Jo, K. Albe, G. Buntkowsky and J. Rödel, "Reconciling Local Structure Disorder and the Relaxor State in (Bi1/2Na1/2) TiO3-BaTiO3." Sci. Rep. 6 (2016) 31739.
C. W. Ahn, C.-H. Hong, B.-Y. Choi, H.-P. Kim, H.-S. Han, Y. Hwang, W. Jo, K. Wang, J.-F. Li, J.-S. Lee, and I. W. Kim, "A Brief Review on Relaxor Ferroelectrics and Selected Issues in Lead-Free Relaxors." J. Kor. Phys. Soc. 68 (2016) 1481-94. Invited Review Article, Best Paper Award from 2018 Fall Meeting of Korean Physical Society (2018 가을 한국물리학회 논문상)
C.-I. Cheon, J. H. Choi, J. S. Kim, J. Zang, T. Frömling, J. Rödel, and W. Jo, "Role of (Bi1/2K1/2) TiO3 in the dielectric relaxations of BiFeO3-(Bi1/2K1/2) TiO3 ceramics." J. Appl. Phys. 119 (2016) 154101.
H.-S. Han, I.-K. Hong, Y.-M. Kong, J.-S. Lee, and W. Jo, "Effect of Nb Doping on the Dielectric and Strain Properties of Lead–free 0.94 (Bi1/2Na1/2)TiO3–0.06BaTiO3 Ceramics." J. Kor. Ceram. Soc. 53 (2016) 145-49.
F.-Z Yao, K. Wang, W. Jo, K. G. Webber, T. P. Comyn, J.-X. Ding, B. Xu, L.-Q. Cheng, M.-P. Zheng, Y.-D. Hou, and J.-F. Li, "Diffused Phase Transition Boosts Thermal Stability of High‐Performance Lead‐Free Piezoelectrics." Adv. Funct. Mater. 26 (2016) 1217-24.
M. Zakhozheva, L. A. Schmitt, M. Acosta, H. Guo, W. Jo, R. Schierholz, H.-J. Kleebe, and X. Tan, "Wide compositional range in situ electric field investigations on lead-free Ba (Zr 0.2 Ti 0.8) O 3− x (Ba 0.7 Ca 0.3) TiO 3 piezoceramic." Phys. Rev. Appl. 3 (2015) 064018.
C.-H. Hong, H.-S Han, J.-S. Lee, K. Wang, F.-Z. Yao, J.-F. Li, J.-H. Gwon, N. V. Quyet, J.-K. Jung, and W. Jo, “Ring-Type Rotary Ultrasonic Motor Using Lead-free Ceramics,” J. Sensors Sci. & Technol. 24 (2015) 228-31.
M. Hinterstein, L. A. Schmitt, M. Hoelzel, W. Jo, J. Rödel, H.-J. Kleebe, and M. Hoffman, “Cyclic electric field response of morphotropic Bi1/2Na1/2TiO3-BaTiO3 piezoceramics,” Appl. Phys. Lett. 106 (2015) 222904.
T. H. Dinh, M. R. Bafandeh, J.-K. Kang, C.-H. Hong, W. Jo, and J.-S. Lee, “Comparison of Structural, Ferroelectric, and Strain Properties between A-Site Donor and Acceptor Doped Bi1/2(Na0.82K0.18)1/2TiO3 Ceramics,” Ceram. Int. 41 (2015) S458-63.
R. Wang, K. Wang, F. Yao, J.-F. Li, F. H. Schader, K. G. Webber, W. Jo, and J. Rödel, “Temperature Stability of Lead-Free Niobate Piezoceramics with Engineered Morphotropic Phase Boundary,” J. Am. Ceram. Soc. 98 (2015) 2177-82.
M. Acosta, N. Liu, M. Deluca, S. Heidt, I. Ringl, C. Dietz, R. W. Stark, and W. Jo, “Tailoring Ergodicity through Selective A-site Doping in the Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3 System,“ Appl. Phys. Lett. 117 (2015) 134106.
M. Acosta, N. Khakpash, T. Someya, N. Novak, W. Jo, H. Nagata, G. A. Rossetti. Jr, and J. Rödel, “Origin of the Large Piezoelectric Activity in (1-x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 Ceramics,” Phys. Rev. B 91 (2015) 104108.
D. Gobeljic, V. V. Shvartsman, K. Wang, F. Yao, J.-F. Li, W. Jo, J. Rödel, and D. C. Lupascu, “Temperature dependence of the local piezoresponse in (K,Na)NbO3-based ceramics with large electromechanical strain,” J. Appl. Phys., 116  (2014) 066811, 5pp.
P. B. Groszewicz, H. Breitzke, R. Dittmer, E. Sapper, W. Jo, G. Buntkowsky, and J. Rödel, “Nanoscale Phase Quantification in Lead-Free (Bi1/2Na1/2)TiO3-BaTiO3 Relaxor Ferroelectrics by Means of 23Na NMR,” Phys. Rev. B 90  (2014) 220104, 5pp.
M. Zakhozheva, L. A. Schmitt, M. Acosta, W. Jo, J. Rödel, and H.-J. Kleebe, “In situ Electric Field Induced Domain Evolution in Ba(Zr0.2Ti0.8)O3-0.3(Ba0.7Ca0.3)TiO3 Ferroelectrics,” Appl. Phys. Lett., 105  (2014) 112904, 4pp.
F.-Z. Yao, K. Wang, W. Jo, J.-S. Lee, and J.-F. Li, “Effect of PolingTemperature on Piezoelectricity of CaZrO3-Modified (K, Na)NbO3-Based Lead-Free Ceramics,” J. Appl. Phys., 116  (2014) 114102, 6pp.
E. Sapper, R. Dittmer, D. Damjanovic, E. Erdem, D. J. Keeble, W. Jo, T. Granzow, and J. Rödel, “Aging in the Relaxor and Ferroelectric State of Fe-doped (1-x)(Bi1/2Na1/2)TiO3-xBaTiO3 Piezoelectric Ceramics,” J. Appl. Phys., 116  (2014) 104102, 12pp.
M. Acosta, N. Novak, W. Jo, and J. Rödel, “Relationship between electromechanical properties and phase diagram in the Ba(Zr0.2Ti0.8)O3 – x(Ba0.7Ca0.3)TiO3 lead-free piezoceramic,” Acta Mater., 80 (2014) 48-55.
J. E. Daniel, C. Cozzan, S. Ukritnukun, G. Tutuncu, J. Andreux, J. Glaum, C. Dosch, W. Jo, and J. L. Jones, "Two-Step Polarization Reversal in Biased Ferroelectrics," J. Appl. Phys., 115  (2014) 224104, 5pp.