2022
J.-W. Seon, J.-H. Cho, and W. Jo, "Fabrication of Bulk PbTiO3 Ceramics with a High c/a Ratio by Ni Doping," J. Korean Inst. Electr. Electron. Mater. Eng., 35 [4] (2022) 407-411.
J.-H. Park, J.-H. Lee, J.-H. Cho, J. Jang, and W. Jo, "Investigation on Ferroelectric and Magnetic Properties of Pb(Fe1/2Nb1/2)O3 Fe-Site Engineered with Antisymmetric Exchange Interaction," J. Korean Inst. Electr. Electron Mater. Eng., 35 [3] (2022) 297-302.
J.-H. Cho, and W. Jo, "Practical Guide to X-ray Spectroscopic Data Analysis," J. Korean Inst. Electr. Electron Mater. Eng., 35 [3] (2022) 223-31.
E. Uwiragiye, T. L. Pham, J. G. Fisher, J. S. Lee, B. W. Lee, J. H. Ko, H. P. Kim, and W. Jo, "Sintering Aid-Assisted Growth of 0.95(K0.5Na0.5)NbO3-0.05(Bi0.5Na0.5)(Zr0.85Sn0.15)O3 Single Crystals by the Solid-State Crystal Growth Method and Their Characterization," Phys. Status Solidi A (2022) 2100875.
G.-J. Lee, M. C. Kim, S.-G. Lee, J. Lee, Y. Je, J. Lee, H. S. Seo, and W. Jo, "Less Than mm2 Macrosymmetry in Polarized (011)-Oriented Relaxor-PbTiO3 Single Crystals Reflected in the Face Shear Properties," Appl. Phys. Lett., 120 [4] (2022) 042903.
J.-H. Lee, G.-J. Lee, A.-P. Hoang, T. Frömling, T.-L. Pham, J.-S. Lee, and W. Jo, "Suppression of High-Temperature Dielectric Loss by Designed Thermal Annealing Treatment in (Bi1/2Na1/2)TiO3 Ceramics," J. Eur. Ceram. Soc., 42 [4] (2022) 1388-95.
J.-H. Cho, Y. J. Kim, S. H. Kim, Y.-J. Lee, J.-Y. Choi, G.-T. Hwang, J. Ryu, S. K. Kwak, and W. Jo, "Modulation of Magnetoelectric Coupling through Systematically Engineered Spin Canting in Nickel-Zink Ferrite," J. Am. Ceram. Soc., 105 [4] (2022) 2655-62.
2021
P. G. Le, T. L. Tran, H.-P. Kim, W. Jo, J.-S. Lee, and J. G. Fisher, "Growth of Single Crystals of 0.75(Na0.5Bi0.5)TiO3-0.25(Sr0.7Ca0.3)TiO3 and Characterisation of Their Electrical Properties," Open Ceramics, 6 (2021) 100099.
G.-J. Lee, H.-P. Kim, H.-Y. Lee, and W. Jo, "Effect of Internal Bias Field on Poling Behavior in Mn-Doped Pb(Mg1/3Nb2/3)O3-29 mol% PbTiO3 Single Crystal," J. Korean Inst. Electr. Electron. Mater. Eng., 34 [5] (2021) 386-92.
N.-R. Ko, J.-H. Cho, J. Jang, and W. Jo, "Room-Temperature Ferromagnetic Behavior in Ferroelectric BiFeO3-BaTiO3 System through Engineered Superexchange Path," J. Korean Inst. Electr. Electron. Mater. Eng., 34 [5] (2021) 386-92.
W.-S. Kang, Geon-Ju Lee, and W. Jo, "Practical Guide to the Characterization of Piezoelectric Properties," J. Korean Inst. Electr. Electron. Mater. Eng., 34 [5] (2021) 301-13.
J.-H. Cho, J.-H. Lee, H. Jang, N. J. Lee, W.-S. Kang, G.-T. Hwang, S. Kim, M. G. Kim, and W. Jo, "Counterbalancing Imbalanced Spin Moment Leads to Type II Multiferroic in Pb(Fe1/2Nb1/2)O3 through Spin Canting," J. Appl. Phys., 130 [9] (2021) 094101.
J.-H. Cho and W. Jo, “Progress in the Development of Single-Phase Magnetoelectric Multiferroic Oxides", Ceramist, 24 [3] (2021) 228-47.
J.-H. Cho, S. Cho, J. H. Lee, H. Palneedi, J.-H. Lee, H.-P. Kim, N. J. Lee, S. Tigunta, S. Pojpropai, S. Kim, J. Ryu, Y. S. Oh, S. Hong, and W. Jo, "Room-temperature multiferroicity in NiFe2O4 and its magnetoelectric coupling intensified through defect engineering," J. Am. Ceram. Soc., 104 [12] (2021) 6384-92.
Y. Nouchokgwe, P. Lheritier, C.-H. Hong, A. Torello, R. Faye, W. Jo, C. Bahl, and E. Defay, "Giant electrocaloric materials energy efficiency in highly ordered lead scandium tantalate," Nat. Commun. 12 [1] (2021) 3298.
P. G. Le, H. T. Tran, J.-S. Lee, J. G. Fisher, H.-P. Kim, W. Jo, and W.-J. Moon, "Growth of single crystals in the (Na1/2Bi1/2)TiO3–(Sr1–xCax)TiO3 system by solid state crystal growth," J. Adv. Ceram., 10 [4] 0-0.
J.-H. Cho and W. Jo, "A Brief Review on Magnetoelectric Multiferroic Oxides," J. Korean Inst. Electr. Electron. Mater. Eng., 34 [3] (2021) 149-66.
S.-H. Seok, S. Choo, J. Kwak, H.-J. Ju, J.-H. Han, W.-S. Kang, J. Lee, S.-Y. Kim, D. H. Lee, J. Lee, J. Wang, S. Song, W. Jo, B. M. Jung, H. G. Chae, J. S. Son, and S.-Y. Kwon, "Synthesis of high quality 2D carbide MXene flakes using a highly purified MAX precursor for ink applications," Nanoscale Adv., 3 [2] (2021) 517-27.
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," J. Asian Ceram. Soc., 9 [1] (2021) 63-74.
H.-P. Kim, G.-J. Lee, J.-H. Cho, W.-S. Kang, S.-G. Lee, H.-Y. Lee, and W. Jo, "In Situ Total Strain Measurements Revealing the Strain Mechanism of Pb(Mg1/3Nb2/3)O3-PbTiO3 Single Crystals," J. Materiomics, 7 [4] 693-98.
W.-S. Kang, T.-G. Lee, J.-H. Kang, J.-H. Lee, G. Choi, S.-W. Kim, S. Nahm, and W. Jo, "Bi-Templated Grain Growth maximizing the Effects of Texture on Piezoelectricity," J. Eur. Ceram. Soc., 41 [4] (2021) 2482-87.
2020
H.-S. Han, T. A. Duong, C. W. Ahn, W. Jo, and J.-S. Lee, "A Brief Review of Enhancing Incipient Piezostrains: Approach by Ceramic/Ceramic Composites," Ceramist, 23 [1] (2020) 89-100.
Y. Zhang, H. Kim, Q. Wang, W. Jo, A. I. Kingon, S.-H. Kim, and C. K. Jeong, " Progress in Lead-Free Piezoelectric Nanofiller Materials and Related Composite Nanogenerator Devices, Nanoscale Adv., 2 (2020) 3131.
G.-J Lee, H.-P. Kim, S.-G. Lee, H.-Y. Lee, W. Jo, "Investigation of Depolarization Mechanism of AC-poled Pb(Mg1/3Nb2/3)O3-PbTiO3 Single Crystal Using In-Situ Thermally-Stimulated Depolarization Current Measurement," J. Sens. Sci. Technol., 29 [1] (2020) 59-62.
J.-H. Lee, G.-J Lee, T.-L. Pham, J.-S. Lee, W. Jo, "Suppression of Dielectric Loss at High Temperature in (Bi1/2Na1/2)TiO3 Ceramic by Controlling A-site Cation Deficiency and Heat Treatment," J. Sens. Sci. Technol., 29 [1] (2020) 07-13.
2019
T. Kumari, S. Jung, Y. Cho, H.-P. Kim, J. W. Lee, J. Oh, J. M. Baik, W. Jo, and C. Yang, "Enhanced Photovoltaic Properties Based on a Built-in Electric Field Induced by Co-Solvent Re-Crystallisation of Ferroelectric Additives," Nano Energy, 68 (2019) 104327.
S.W. Kim, T.-G. Lee, D.-H. Kim, E.-J. Kim, D. S. Kim, W.-S. Kang, W. Jo, S. J. Lee, S. H. Han, H.-W. Kang, Y.-W. Hong, and S. Nahm, "Thermally Stable Large Strain in Low-Loss (Na0.2K0.8)NbO3-BaZrO3 for Multilayer Actuators," J. Am. Ceram. Soc., on-line published.
W.-S. Kang, C.-H. Hong, Y.-J. Lee, G. Choi, D.-J. Shin, D.-H. Lim, S.-J. Jeong, and W. Jo, "Effect of Electric Field Concentration by Electrode Patterning on the Incipient Piezoelectric Strain Properties of Lead-Free Piezoceramics," J. Korean Ceram. Soc., 56 [6] (2019) 549-57.
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," J. Materiomics, 5 [4] (2019) 634-40.
T. Aso, Y. Fujii, A. Koreeda, S. H. Oh, J.-H. Ko, C.-H. Hong, and W. Jo, "Acoustic Phonon Dynamics of Pb(Sc1/2Ta1/2)O3 Ceramics Studied by Brillouin Scattering Spectroscopy," Jpn. J. Appl. Phys., 58 (2019) SGGA06.
H.-P. Kim, Geon-Ju Lee, 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," J. Eur. Ceram. Soc., 39 [11] (2019) 3327-31.
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, 15 [5] (2019) 1804426.
2018
C.-H. Hong, Z. Fan, X. Tan, W.-S. Kang, C. W. Ahn, Y. Shin, and W. Jo, "Role of Sodium Deficiency on the Relaxor Properties of Bi1/2Na1/2TiO3-BaTiO3," J. Eur. Ceram. Soc., 38 [16] (2018) 5375-81.
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 [8] (2018) 600-06. Invited feature article
C.-H. Hong and W. Jo, "A Model Delineating the Dielectric Spectra of a Relaxor PLZT Obtained by Impedance Analyzer," J. Am. Ceram. Soc., 101 [5] (2018) 1949-56.
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 [1] (2018) 016104.
2017
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 [2] (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 [11] (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) NbO3–based ceramics." J. Eur. Ceram. Soc. 37 (2017) 2083-89.
2016
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. J. 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.
J. E. Daniels, M. Majkut, Q. Cao, S. Schmidt, J. Wright, W. Jo, and J. Oddershede, "Heterogeneous grain-scale response in ferroic polycrystals under electric field." Sci. Rep. 6 (2016) 22820.
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.
C.-H. Hong, H.-P. Kim, B.-Y. Choi, H.-S. Han, J. S. Son, C. W. Ann, and W. Jo, "Lead-free piezoceramics–Where to move on?." J. Materiomics 2 (2016) 1-24. Invited Featured Article
2015
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.
Y.-X. Li, C. Nan, X.-M. Chen, and W. Jo, “Ceramics International Preface,” Ceram. Int. 41 (2015) S1.
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.
H. Zhang, C. Groh, Q. Zhang, W. Jo, K. G. Webber, and J. Rödel, “Large Strain in Relaxor/Ferroelectric Composite Lead-Free Piezoceramics,” Adv. Electron. Mater. 1 (2015) 1500018.
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.
J. Rödel, K. G. Webber, R. Dittmer, W. Jo, M. Kimura, D. Damjanovic, “Transferring Lead-Free Piezoelectric Ceramics into Application,” J. Eur. Ceram. Soc. 35 (2015) 1659-81. Invited Review Article
H. I. Humburg, M. Acosta, W. Jo, K. G. Webber, and J. Rödel, “Stress-Dependent Electromechanical Properties of (Ba1-xCax)(ZryTi1-y)O3,” J. Eur. Ceram. Soc. 35 (2015) 1209-17.
N. H. Khansur, M. Hinterstein, Z. Wang, C. Groh, W. Jo, and J. E. Daniels, "Electric-field-induced strain contributions in morphotropic phase boundary composition of (Bi1/2Na1/2)TiO3-BaTiO3 during poling," Appl. Phys. Lett. 107 (2015) 242902.
2014
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 [6] (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 [22] (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 [11] (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 [11] (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 [10] (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 [22] (2014) 224104, 5pp.