Mrs Peggy Zhang

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Visiting Fellow/Guest Lecturer, School of Materials Science and Engineering, UNSW Sydney (2023-)

Lecturer/research fellow, School of Materials Science and Engineering, UNSW Sydney (2022-2023)

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)

E-mail

peggy.zhang@unsw.edu.au

Location

243, Hilmer Building (E10)

Book Chapters | 2022

Wang D; Johnson M; Schornack AM; Zhang Q, 2022, 'Optical and mechanical properties of MXenes', in Mxenes and their Composites, Elsevier, pp. 131 - 169, http://dx.doi.org/10.1016/b978-0-12-823361-0.00004-6
Journal articles | 2024

Bulanadi R; Cordero-Edwards K; Tückmantel P; Saremi S; Morpurgo G; Zhang Q; Martin LW; Nagarajan V; Paruch P, 2024, 'Interplay between Point and Extended Defects and Their Effects on Jerky Domain-Wall Motion in Ferroelectric Thin Films', Physical Review Letters, 133, http://dx.doi.org/10.1103/PhysRevLett.133.106801

Journal articles | 2024

Ma Z; Wang Z; Zhang Q; Guo Y; Zhou P; Liang K; Zhang T; Valanoor N, 2024, 'Large resistive switching in ultrathin BiFeO3 thin films', Journal of Applied Physics, 136, http://dx.doi.org/10.1063/5.0231809

Journal articles | 2024

Prokhorenko S; Nahas Y; Govinden V; Zhang Q; Valanoor N; Bellaiche L, 2024, 'Motion and teleportation of polar bubbles in low-dimensional ferroelectrics', Nature Communications, 15, http://dx.doi.org/10.1038/s41467-023-44639-4

Journal articles | 2024

Zhou J; Huang HH; Kobayashi S; Yasui S; Wang K; Eliseev EA; Morozovska AN; Yu P; Takeuchi I; Hong Z; Sando D; Zhang Q; Valanoor N, 2024, 'An Emergent Quadruple Phase Ensemble in Doped Bismuth Ferrite Thin Films Through Site and Strain Engineering', Advanced Functional Materials, 34, http://dx.doi.org/10.1002/adfm.202403410

Journal articles | 2023

Bake A; Zhang Q; Ho CS; Causer GL; Zhao W; Yue Z; Nguyen A; Akhgar G; Karel J; Mitchell D; Pastuovic Z; Lewis R; Cole JH; Nancarrow M; Valanoor N; Wang X; Cortie D, 2023, 'Top-down patterning of topological surface and edge states using a focused ion beam', Nature Communications, 14, http://dx.doi.org/10.1038/s41467-023-37102-x

Journal articles | 2023

Govinden V; Prokhorenko S; Zhang Q; Rijal S; Nahas Y; Bellaiche L; Valanoor N, 2023, 'Spherical ferroelectric solitons', Nature Materials, 22, pp. 553 - 561, http://dx.doi.org/10.1038/s41563-023-01527-y

Journal articles | 2023

Govinden V; Rijal S; Zhang Q; Nahas Y; Bellaiche L; Valanoor N; Prokhorenko S, 2023, 'Stability of ferroelectric bubble domains', Physical Review Materials, 7, http://dx.doi.org/10.1103/PhysRevMaterials.7.L011401

Journal articles | 2023

Govinden V; Tong P; Guo X; Zhang Q; Mantri S; Seyfouri MM; Prokhorenko S; Nahas Y; Wu Y; Bellaiche L; Sun T; Tian H; Hong Z; Valanoor N; Sando D, 2023, 'Ferroelectric solitons crafted in epitaxial bismuth ferrite superlattices', Nature Communications, 14, http://dx.doi.org/10.1038/s41467-023-39841-3

Journal articles | 2023

Jiang Y; Toe CY; Mofarah SS; Cazorla C; Chang SLY; Yin Y; Zhang Q; Lim S; Yao Y; Tian R; Wang Y; Zaman T; Arandiyan H; Andersson GG; Scott J; Koshy P; Wang D; Sorrell CC, 2023, 'Efficient Cocatalyst-Free Piezo-Photocatalytic Hydrogen Evolution of Defective BaTiO3-x Nanoparticles from Seawater', ACS Sustainable Chemistry and Engineering, 11, pp. 3370 - 3389, http://dx.doi.org/10.1021/acssuschemeng.2c06573

Journal articles | 2023

Liang J; Jiang Y; Sun Y; Rawal A; Zhang Q; Song Z; Sakamoto Y; Du J; Jiang C; Chang SLY; Fei L; Ke S; Chen Z; Li W; Wang D, 2023, 'Efficient piezocatalysis of Bi0.5(Na1−xKx)0.5TiO3 nanoparticles: bridging the phase ratio at MPB composition and piezocatalytic activity', Journal of Materials Chemistry A, 11, pp. 16093 - 16103, http://dx.doi.org/10.1039/d3ta01995k

Journal articles | 2023

Zhou J; Sando D; Summers M; Jia Y; Wang K; Valanoor N; Zhang Q, 2023, 'Gelation Chemistry and Phase Development of Chemical Solution Deposition-Derived Sm-Doped BiFeO3 Thin Films: The Role of Sm Dopant', ACS Applied Electronic Materials, 5, pp. 1302 - 1310, http://dx.doi.org/10.1021/acsaelm.3c00007

Journal articles | 2022

Liu C; Sepasgozar SME; Zhang Q; Ge L, 2022, 'A novel attention-based deep learning method for post-disaster building damage classification', Expert Systems with Applications, 202, http://dx.doi.org/10.1016/j.eswa.2022.117268

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, 34, 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, 4, pp. 5171 - 5176, 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, 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, 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, 9, http://dx.doi.org/10.1002/advs.202203926

Journal articles | 2022

Zhang Q; Ge L; Hensley S; Isabel Metternicht G; Liu C; Zhang R, 2022, 'PolGAN: A deep-learning-based unsupervised forest height estimation based on the synergy of PolInSAR and LiDAR data', ISPRS Journal of Photogrammetry and Remote Sensing, 186, pp. 123 - 139, http://dx.doi.org/10.1016/j.isprsjprs.2022.02.008

Journal articles | 2021

Bakaul SR; Prokhorenko S; Zhang Q; Nahas Y; Hu Y; Petford-Long A; Bellaiche L; Valanoor N, 2021, 'Freestanding Ferroelectric Bubble Domains', Advanced Materials, 33, http://dx.doi.org/10.1002/adma.202105432

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, 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, 5, pp. 124205, 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, 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, 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, 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, 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, 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, 7, pp. 041316, 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, 11, 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, 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, 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, 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, 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, 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, 3, pp. 104404, 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, 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, 'Correction to: Deterministic Switching of Ferroelectric Bubble Nanodomains (Advanced Functional Materials, (2019), 29, 28, (1808573), 10.1002/adfm.201808573)', Advanced Functional Materials, 29, http://dx.doi.org/10.1002/adfm.201904104

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, 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, 38, pp. 4404 - 4413, http://dx.doi.org/10.1016/j.jeurceramsoc.2018.05.028

Journal articles | 2018

Liu X; Zhang Q; Li J; Valanoor N; Tang X; Cao G, 2018, 'Increase of power conversion efficiency in dye-sensitized solar cells through ferroelectric substrate induced charge transport enhancement', Scientific Reports, 8, http://dx.doi.org/10.1038/s41598-018-35764-y

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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 116, http://dx.doi.org/10.1063/1.4891311

Journal articles | 2007

Chou TP; Zhang Q; Fryxell GE; Cao GZ, 2007, 'Hierarchically Structured ZnO Film for Dye‐Sensitized Solar Cells with Enhanced Energy Conversion Efficiency', Advanced Materials, 19, pp. 2588 - 2592, http://dx.doi.org/10.1002/adma.200602927
Preprints | 2022

Govinden V; Tong PR; Guo X; Zhang Q; Mantri S; Prokhorenko S; Nahas Y; Wu Y; Bellaiche L; Tian H; Hong Z; Sando D; Nagarajan V, 2022, Ferroelectric Solitons Crafted in Epitaxial Bismuth Ferrite Superlattices, http://dx.doi.org/10.1038/s41467-023-39841-3

Preprints | 2022

Jiang Y; Toe CY; Mofarah SS; Cazorla C; Chang SLY; Yin Y; Zhang Q; Lim S; Yao Y; Tian R; Wang Y; Zaman T; Arandiyan H; Andersson GG; Scott J; Koshy P; Wang D; Sorrell CC, 2022, Direct Hydrogen Production from Water/Seawater by Irradiation/Vibration-Activated Using Defective Ferroelectric BaTiO3-x Nanoparticles, http://dx.doi.org/10.48550/arxiv.2206.14961

Conference Papers | 2011

Wiranwetchayan O; Liang Z; Zhang Q; Cao GZ; Singjai P, 2011, 'The roles of thin dense metal oxide films in inverted hybrid solar cells', in 2011 IEEE Nanotechnology Materials and Devices Conference, IEEE, pp. 434 - 435, presented at 2011 IEEE Nanotechnology Materials and Devices Conference (NMDC 2011), 18 October 2011 - 21 October 2011, http://dx.doi.org/10.1109/nmdc.2011.6155398

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.).

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