Dr Peggy Zhang
Lecturer

Dr Peggy Zhang

Science
School of Materials Science & Engineering

Lecturer/research fellow, School of Materials Science and Engineering, UNSW Sydney (2022-)

Women-in-FLEET fellow, ARC FLEET centre/UNSW, Sydney (2019-)

Postdoctoral Fellow, School of Materials Science and Engineering, UNSW Sydney (2015-2021)

PhD, School of Materials Science and Engineering, UNSW, Sydney (2015)

Master degree, Huazhong University of Science and Technology, China (2007)

Bachelor degree, Huazhong University of Science and Technology, China (2005)

Location
243, Hilmer Building (E10)
  • Journal articles | 2022
    Ma Z; Zhang Q; Tao L; Wang Y; Sando D; Zhou J; Guo Y; Lord M; Zhou P; Ruan Y; Wang Z; Hamilton A; Gruverman A; Tsymbal EY; Zhang T; Valanoor N, 2022, 'A Room-Temperature Ferroelectric Resonant Tunneling Diode', Advanced Materials, vol. 34, pp. e2205359, http://dx.doi.org/10.1002/adma.202205359
    Journal articles | 2022
    Ruan Y; Zhang Q; Lord M; Guo Y; Wang J; Liu J; Ma Z; Zhou P; Zhang T; Valanoor N, 2022, 'Poling Sequence-Dependent Tunneling Electroresistance in HfO2-Based Ferroelectric Tunnel Junctions', ACS Applied Electronic Materials, http://dx.doi.org/10.1021/acsaelm.2c01131
    Journal articles | 2022
    Seyfouri MM; Zhang D; Menéndez C; Sando D; Zhang Q; Cazorla C; Seidel J; Wang D, 2022, 'Engineering Photoresponse in Epitaxial BiFe0.5Cr0.5O3Thin Films through Structural Distortion', Journal of Physical Chemistry C, vol. 126, pp. 14329 - 14338, http://dx.doi.org/10.1021/acs.jpcc.2c04297
    Journal articles | 2022
    Sharma P; Morozovska AN; Eliseev EA; Zhang Q; Sando D; Valanoor N; Seidel J, 2022, 'Specific Conductivity of a Ferroelectric Domain Wall', ACS Applied Electronic Materials, vol. 4, pp. 2739 - 2746, http://dx.doi.org/10.1021/acsaelm.2c00261
    Journal articles | 2022
    Sun Y; Zhang L; Huang Q; Chen Z; Wang D; Seyfouri MM; Chang SLY; Wang Y; Zhang Q; Liao X; Li S; Zhang S; Wang D, 2022, 'Ultrahigh Energy Storage Density in Glassy Ferroelectric Thin Films under Low Electric Field', Advanced Science, http://dx.doi.org/10.1002/advs.202203926
    Journal articles | 2021
    Fan P; Liu K; Ma W; Tan H; Zhang Q; Zhang L; Zhou C; Salamon D; Zhang ST; Zhang Y; Nan B; Zhang H, 2021, 'Progress and perspective of high strain NBT-based lead-free piezoceramics and multilayer actuators', Journal of Materiomics, vol. 7, pp. 508 - 544, http://dx.doi.org/10.1016/j.jmat.2020.11.009
    Journal articles | 2021
    Govinden V; Rijal S; Zhang Q; Sando D; Prokhorenko S; Nahas Y; Bellaiche L; Valanoor N, 2021, 'Controlling topological defect transitions in nanoscale lead zirconate titanate heterostructures', Physical Review Materials, vol. 5, http://dx.doi.org/10.1103/PhysRevMaterials.5.124205
    Journal articles | 2021
    Govinden V; Zhang Q; Sando D; Valanoor N, 2021, 'Depolarization field tuning of nanoscale ferroelectric domains in (001)PbZr0.4Ti0.6O3/SrTiO3/PbZr0.4Ti0.6O3epitaxial heterostructures', Journal of Applied Physics, vol. 129, http://dx.doi.org/10.1063/5.0035887
    Journal articles | 2021
    Meier D; Valanoor N; Zhang Q; Lee D, 2021, 'Domains and domain walls in ferroic materials', Journal of Applied Physics, vol. 129, http://dx.doi.org/10.1063/5.0057144
    Journal articles | 2021
    Winkler RS; Zhang Y; Zhang Q; Wang Z; Zhu Y; Han MG; Schlom DG; Valanoor N, 2021, 'Electromechanical Manipulation of Topological Defects to Yield Giant Piezoelectric Response in Epitaxial Lead Zirconate Titanate Bilayers on Silicon', Advanced Electronic Materials, vol. 7, http://dx.doi.org/10.1002/aelm.202100195
    Journal articles | 2021
    Xie B; Wang Q; Zhang Q; Liu Z; Lu J; Zhang H; Jiang S, 2021, 'High Energy Storage Performance of PMMA Nanocomposites Utilizing Hierarchically Structured Nanowires Based on Interface Engineering', ACS Applied Materials and Interfaces, vol. 13, pp. 27382 - 27391, http://dx.doi.org/10.1021/acsami.1c03835
    Journal articles | 2020
    Ghasemian MB; Rawal A; Shahrbabaki Z; Zhang Q; Lu T; Liu Y; Wang D, 2020, 'Evidence of phase coexistence in hydrothermally synthesized K0.5Na0.5NbO3nanofibers', Journal of Materials Chemistry A, vol. 8, pp. 8731 - 8739, http://dx.doi.org/10.1039/c9ta14153g
    Journal articles | 2020
    Ma Z; Zhang Q; Valanoor N, 2020, 'A perspective on electrode engineering in ultrathin ferroelectric heterostructures for enhanced tunneling electroresistance', Applied Physics Reviews, vol. 7, http://dx.doi.org/10.1063/5.0028798
    Journal articles | 2020
    Nahas Y; Prokhorenko S; Zhang Q; Govinden V; Valanoor N; Bellaiche L, 2020, 'Topology and control of self-assembled domain patterns in low-dimensional ferroelectrics', Nature Communications, vol. 11, pp. 5779, http://dx.doi.org/10.1038/s41467-020-19519-w
    Journal articles | 2020
    Valanoor N; Zhang Q; Zhou J; Sando D; Cheng X; Ma Z, 2020, 'Tuning phase fractions and leakage properties of chemical solution deposition-derived mixed-phase BiFeO3 thin films', ACS Applied Electronic Materials, vol. 2, pp. 4099 - 4110, http://dx.doi.org/10.1021/acsaelm.0c00891
    Journal articles | 2020
    Wang Y; Zhang Q; Zhou J; Liu J; Ma Z; Zhou P; Zhang T; Valanoor N, 2020, 'Fowler-Nordheim tunneling-assisted enhancement of tunneling electroresistance effect through a composite barrier', Applied Physics Letters, vol. 116, http://dx.doi.org/10.1063/5.0001770
    Journal articles | 2020
    Zhang H; Wei T; Zhang Q; Ma W; Fan P; Salamon D; Zhang ST; Nan B; Tan H; Ye ZG, 2020, 'A review on the development of lead-free ferroelectric energy-storage ceramics and multilayer capacitors', Journal of Materials Chemistry C, vol. 8, pp. 16648 - 16667, http://dx.doi.org/10.1039/d0tc04381h
    Journal articles | 2020
    Zhang Q; Rana A; Liu X; Valanoor N, 2020, 'Electrode dependence of local electrical properties of chemical-solution-deposition-derived BiFeO3 thin films', ACS Applied Electronic Materials, vol. 1, pp. 154 - 162, http://dx.doi.org/10.1021/acsaelm.8b00064
    Journal articles | 2019
    Park CK; Gharavi PSM; Kurnia F; Zhang Q; Toe CY; Al-Farsi M; Allan NL; Yao Y; Xie L; He J; Ng YH; Valanoor N; Hart JN, 2019, 'GaP-ZnS Multilayer Films: Visible-Light Photoelectrodes by Interface Engineering', Journal of Physical Chemistry C, vol. 123, pp. 3336 - 3342, http://dx.doi.org/10.1021/acs.jpcc.8b10797
    Journal articles | 2019
    Sando D; Appert F; Burns SR; Zhang Q; Gallais Y; Sacuto A; Cazayous M; Garcia V; Fusil S; Carrétéro C; Le Breton JM; Barthélémy A; Bibes M; Juraszek J; Nagarajan V, 2019, 'Influence of flexoelectricity on the spin cycloid in (110)-oriented BiFe O3 films', Physical Review Materials, vol. 3, http://dx.doi.org/10.1103/PhysRevMaterials.3.104404
    Journal articles | 2019
    Sharma P; Sando D; Zhang Q; Cheng X; Prosandeev S; Bulanadi R; Prokhorenko S; Bellaiche L; Chen LQ; Nagarajan V; Seidel J, 2019, 'Conformational Domain Wall Switch', Advanced Functional Materials, vol. 29, http://dx.doi.org/10.1002/adfm.201807523
    Journal articles | 2019
    Zhang Q; Prokhorenko S; Nahas Y; Xie L; Bellaiche L; Gruverman A; Valanoor N, 2019, 'Deterministic Switching of Ferroelectric Bubble Nanodomains', Advanced Functional Materials, vol. 29, http://dx.doi.org/10.1002/adfm.201808573
    Journal articles | 2018
    Fan P; Zhang Y; Zhang Q; Xie B; Zhu Y; Mawat MA; Ma W; Liu K; Xiao J; Zhang H, 2018, 'Large strain with low hysteresis in Bi4Ti3O12 modified Bi1/2(Na0.82K0.18)1/2TiO3 lead-free piezoceramics', Journal of the European Ceramic Society, vol. 38, pp. 4404 - 4413, http://dx.doi.org/10.1016/j.jeurceramsoc.2018.05.028
    Journal articles | 2018
    Xie B; Zhang Q; Zhang L; Zhu Y; Guo X; Fan P; Zhang H, 2018, 'Ultrahigh discharged energy density in polymer nanocomposites by designing linear/ferroelectric bilayer heterostructure', Nano Energy, vol. 54, pp. 437 - 446, http://dx.doi.org/10.1016/j.nanoen.2018.10.041
    Journal articles | 2018
    Zhang Q; Huang HH; Sando D; Summers M; Munroe P; Standard O; Valanoor N, 2018, 'Mixed-phase bismuth ferrite thin films by chemical solution deposition', Journal of Materials Chemistry C, vol. 6, pp. 2882 - 2888, http://dx.doi.org/10.1039/c7tc05841a
    Journal articles | 2017
    Sharma P; Zhang Q; Sando D; Lei CH; Liu Y; Li J; Nagarajan V; Seidel J, 2017, 'Nonvolatile ferroelectric domain wall memory', Science Advances, vol. 3, http://dx.doi.org/10.1126/sciadv.1700512
    Journal articles | 2017
    Xie B; Zhang H; Zhang Q; Zang J; Yang C; Wang Q; Li MY; Jiang S, 2017, 'Enhanced energy density of polymer nanocomposites at a low electric field through aligned BaTiO3 nanowires', Journal of Materials Chemistry A, vol. 5, pp. 6070 - 6078, http://dx.doi.org/10.1039/c7ta00513j
    Journal articles | 2017
    Zhang Q; Xie L; Liu G; Prokhorenko S; Nahas Y; Pan X; Bellaiche L; Gruverman A; Valanoor N, 2017, 'Nanoscale Bubble Domains and Topological Transitions in Ultrathin Ferroelectric Films', Advanced Materials, vol. 29, http://dx.doi.org/10.1002/adma.201702375
    Journal articles | 2016
    Liu G; Zhang Q; Huang HH; Munroe P; Nagarajan V; Simons H; Hong Z; Chen LQ, 2016, 'Reversible Polarization Rotation in Epitaxial Ferroelectric Bilayers', Advanced Materials Interfaces, vol. 3, http://dx.doi.org/10.1002/admi.201600444
    Journal articles | 2016
    Xie B; Zhang Q; Zhang H; Zhang G; Qiu S; Jiang S, 2016, 'Largely enhanced ferroelectric and energy storage performances of P(VDF-CTFE) nanocomposites at a lower electric field using BaTiO3 nanowires by stirring hydrothermal method', Ceramics International, vol. 42, pp. 19012 - 19018, http://dx.doi.org/10.1016/j.ceramint.2016.09.057
    Journal articles | 2016
    Zhang Q; Sando D; Nagarajan V, 2016, 'Chemical route derived bismuth ferrite thin films and nanomaterials', Journal of Materials Chemistry C, vol. 4, pp. 4092 - 4124, http://dx.doi.org/10.1039/c6tc00243a
    Journal articles | 2015
    Huang HH; Zhang Q; Huang E; Maran R; Sakata O; Ehara Y; Shiraishi T; Funakubo H; Munroe P; Valanoor N, 2015, 'Epitaxial PbZrxTi1-xO3 Ferroelectric Bilayers with Giant Electromechanical Properties', Advanced Materials Interfaces, vol. 2, http://dx.doi.org/10.1002/admi.201500075
    Journal articles | 2015
    Zhang H; Groh C; Zhang Q; Jo W; Webber KG; Rödel J, 2015, 'Large Strain in Relaxor/Ferroelectric Composite Lead-Free Piezoceramics', Advanced Electronic Materials, vol. 1, http://dx.doi.org/10.1002/aelm.201500018
    Journal articles | 2015
    Zhang Q; Valanoor N; Standard O, 2015, 'Epitaxial (001) BiFeO3 thin-films with excellent ferroelectric properties by chemical solution deposition-the role of gelation', Journal of Materials Chemistry C, vol. 3, pp. 582 - 595, http://dx.doi.org/10.1039/c4tc02371d
    Journal articles | 2014
    Rana A; Lu H; Bogle K; Zhang Q; Vasudevan R; Thakare V; Gruverman A; Ogale S; Valanoor N, 2014, 'Scaling behavior of resistive switching in epitaxial bismuth ferrite heterostructures', Advanced Functional Materials, vol. 24, pp. 3962 - 3969, http://dx.doi.org/10.1002/adfm.201400110
    Journal articles | 2014
    Zhang Q; Valanoor N; Standard O, 2014, 'Chemical solution deposition derived (001)-oriented epitaxial BiFeO 3 thin films with robust ferroelectric properties using stoichiometric precursors (invited)', Journal of Applied Physics, vol. 116, http://dx.doi.org/10.1063/1.4891311

                          My Research Interests: 

  • Topological phase transitions in ferroic materials including topological defects, domain walls and Skyrmion structures.
  • Development of new synthesis techniques for novel ferroelectric oxides with topological properties
  • New nanolithography techniques to fabricate ferroelectric domain wall memory devices
  • Investigation of nanoscale domains and topological transitions in ultrathin ferroelectric films
  • Characterization using scanning probe microscopy (including piezoresponse force microscopy, conductive atomic force microscopy, Kelvin probe force microscopy, electrostatic force microscopy, etc.).