Article
Materials Science, Multidisciplinary
Zheyi An, Shanshan Xie, Petr Ondrejkovic, Pavel Marton, Esther de Prado, Hiroko Yokota, Wei Ren, Zuo-Guang Ye, A. M. Glazer, Marek Pasciak, Nan Zhang
Summary: This study systematically investigates the structural properties of PbZr1-xTixO3 and reveals a complex phase coexistence near the antiferroelectric-ferroelectric phase boundary. It confirms a delicate balance between two crystal structures at the boundary, which can be disrupted by slight changes in concentration or external stimuli. These findings provide valuable insights into the antiferroelectric-ferroelectric competition and the design of alternative materials for energy storage and conversion.
Article
Materials Science, Multidisciplinary
Le Van Lich, Ngoc-Lu Vu, Tinh Quoc Bui, Trong-Giang Nguyen, Van-Hai Dinh
Summary: An alternative design strategy for enhanced electromechanical responses is demonstrated by engineering ferroelectric PbZr1-xTixO3 nano-heterostructures. The study reveals that the reduction of film thickness can lead to unusual behaviors of domain structures and significantly enhance piezoelectricity.
MATERIALS RESEARCH BULLETIN
(2021)
Article
Mechanics
D. L. Shan, C. H. Lei, Y. C. Cai, K. Pan, Y. Y. Liu
Summary: This study presents a mesoscopic mechanical control method, based on entropy analysis, to manipulate the electrocaloric response in epitaxial ferroelectric thin films for practical cooling applications at different temperatures. By adjusting the chemical composition, misfit strain, and external stress, it is possible to control the phase structures, phase transition temperatures, and electrocaloric response in BaxSr1-xTiO3 thin films.
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
(2021)
Article
Mechanics
Ningbo He, Qiang Li, Chihou Lei, Junyun Pan, Dongliang Shan, Kai Pan, Yunya Liu
Summary: In this study, the electrocaloric (EC) response modulated by misfit strain in different oriented ferroelectric thin films was investigated using a nonlinear thermodynamic approach. The results showed that thin films with different orientations exhibited different phase structures, phase transition temperatures, and EC responses. The EC response was optimal near the phase boundaries of different phases, which was attributed to the large change in polarization. Additionally, the chemical composition and film orientation also influenced the EC response.
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
(2022)
Article
Nanoscience & Nanotechnology
Ekaterina Mikhaleva, Mikhail Gorev, Vitaly Bondarev, Evgeny Bogdanov, Igor Flerov
Summary: This study investigates the influence of anisotropy and texture on ElCE and BCE effects in (NH4)(2)SO4 single crystal and ceramic, finding that the ElCE values in ammonium sulphate significantly exceed BCE values, indicating its potential as a solid-state refrigerant.
SCRIPTA MATERIALIA
(2021)
Article
Materials Science, Multidisciplinary
Hend Kacem, Ah Dhahri, Mohamed Amara Gdaiem, Z. Sassi, L. Seveyrat, L. Lebrun, V Perrin, J. Dhahri
Summary: This study synthesized a lead-free solid solution of BaTi0.91Sn0.09O3 and characterized it using X-ray diffraction and scanning electron microscopy. The material showed promising electrocaloric properties, making it a viable option for refrigeration applications.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2021)
Article
Chemistry, Multidisciplinary
Tingfeng Song, Romain Bachelet, Guillaume Saint-Girons, Ignasi Fina, Florencio Sanchez
Summary: By using an ultrathin seed layer, high-quality epitaxial films of orthorhombic Hf0.5Zr0.5O2 can be obtained at a lower temperature, and they exhibit enhanced endurance.
Article
Chemistry, Physical
A. M. Mohamed, H. R. Alamri, M. A. Hamad
Summary: The research investigated the electrocaloric effect caused by phase transition in P(VDF-TrFE) (65/35) copolymers using a phenomenological model. The results showed that this system is important in achieving a high EC entropy change, temperature change, and heat capacity, making it significant for cooling and heating applications.
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
(2022)
Article
Physics, Applied
Hiroshi Maiwa
Summary: The study focused on measuring temperature changes during deformation of poled piezoelectric ceramics attached to metal, finding that the use of supporting metal suppressed fracture of the ceramics and enabled accurate measurement of temperature changes.
JAPANESE JOURNAL OF APPLIED PHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Soumyadipta Pal, Subarna Datta
Summary: The present manuscript investigates the electrocaloric effect of Tin Titanate (SnTiO3) and uses a phenomenological model to predict the variation of electric polarization with temperature. The results indicate the potential of SnTiO3 to achieve the electrocaloric effect near its Curie temperature and to be used as a prospective material for cooling systems in a wide temperature range.
Article
Engineering, Electrical & Electronic
Hyun Wook Shin, Jong Yeog Son
Summary: Epitaxial SrBi2Nb2O9 (SBN) thin films were grown on substrates with different lattice constants, showing that a-oriented SBN thin films exhibit excellent ferroelectric properties. The a-oriented SBN thin films, with the polar axis parallel to the switching electric field, have faster polarization switching speed compared to the c-oriented SBN thin films.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2021)
Article
Physics, Multidisciplinary
Tang Hui, Niu Xiang, Yang Zhi-Peng, Peng Xiao-Cao, Zhao Xiao-Bo, Yao Ying-Bang, Tao Tao, Liang Bo, Tang Xin-Gui, Lu Sheng-Guo
Summary: This study successfully reduced leakage current and loss tangent, increased polarization, and further confirmed the enhancement of the electrocaloric effect by adding manganese ions into the BFO-BTO solid solution.
ACTA PHYSICA SINICA
(2022)
Article
Chemistry, Physical
S. Das, Z. Hong, V. A. Stoica, M. A. P. Goncalves, Y. T. Shao, E. Parsonnet, E. J. Marksz, S. Saremi, M. R. McCarter, A. Reynoso, C. J. Long, A. M. Hagerstrom, D. Meyers, V. Ravi, B. Prasad, H. Zhou, Z. Zhang, H. Wen, F. Gomez-Ortiz, P. Garcia-Fernandez, J. Bokor, J. iniguez, J. W. Freeland, N. D. Orloff, J. Junquera, L. Q. Chen, S. Salahuddin, D. A. Muller, L. W. Martin, R. Ramesh
Summary: The article introduces the discovery of polar skyrmions in ferroelectric oxide superlattices and their response to electric fields. It is demonstrated that these structures have negative permittivity and can undergo a reversible phase transition with large dielectric tunability under the influence of an electric field.
Article
Nanoscience & Nanotechnology
Gabriel Velarde, Shishir Pandya, J. Karthik, David Pesquera, Lane W. Martin
Summary: This review discusses recent advances in thin-film pyroelectrics, highlighting the complex physical phenomena and history in this field, and emphasizing the importance of controlling thin-film materials. The review also explores recent advancements in thin-film pyroelectric devices and potential future research directions.
Article
Chemistry, Multidisciplinary
Zimeng Zhang, Shang-Lin Hsu, Vladimir A. Stoica, Hanjong Paik, Eric Parsonnet, Alexander Qualls, Jianjun Wang, Liang Xie, Mukesh Kumari, Sujit Das, Zhinan Leng, Martin McBriarty, Roger Proksch, Alexei Gruverman, Darrell G. Schlom, Long-Qing Chen, Sayeef Salahuddin, Lane W. Martin, Ramamoorthy Ramesh
Summary: The synthesis of fully epitaxial ferroelectric Hf0.5Zr0.5O2 (HZO) thin films using a conducting pyrochlore oxide electrode as a template is reported. X-ray diffraction and scanning transmission electron microscopy confirm epitaxy and domain formation. The transition from polar-orthorhombic phase to non-polar-monoclinic phase is observed with increased film thickness.
ADVANCED MATERIALS
(2021)
Correction
Chemistry, Physical
S. Das, Z. Hong, V. A. Stoica, M. A. P. Goncalves, Y. T. Shao, E. Parsonnet, E. J. Marksz, S. Saremi, M. R. McCarter, A. Reynoso, C. J. Long, A. M. Hagerstrom, D. Meyers, V. Ravi, B. Prasad, H. Zhou, Z. Zhang, H. Wen, F. Gomez-Ortiz, P. Garcia-Fernandez, J. Bokor, J. iniguez, J. W. Freeland, N. D. Orloff, J. Junquera, L. Q. Chen, S. Salahuddin, D. A. Muller, L. W. Martin, R. Ramesh
Summary: The correction to the paper has been published.
Article
Chemistry, Physical
Y. Jiang, E. Parsonnet, A. Qualls, W. Zhao, S. Susarla, D. Pesquera, A. Dasgupta, M. Acharya, H. Zhang, T. Gosavi, C-C Lin, D. E. Nikonov, H. Li, I. A. Young, R. Ramesh, L. W. Martin
Summary: This article demonstrates high-quality BaTiO3 thin films with nearly bulk-like properties. The scaling of film thickness allows for the access of required coercive voltages and fields for future applications, as well as fast switching speeds and a pathway to subnanosecond switching. Integration of BaTiO3 thin films onto silicon substrates is also shown, with further work discussed.
Article
Multidisciplinary Sciences
Kook Tae Kim, Margaret R. McCarter, Vladimir A. Stoica, Sujit Das, Christoph Klewe, Elizabeth P. Donoway, David M. Burn, Padraic Shafer, Fanny Rodolakis, Mauro A. P. Goncalves, Fernando Gomez-Ortiz, Jorge Iniguez, Pablo Garcia-Fernandez, Javier Junquera, Sandhya Susarla, Stephen W. Lovesey, Gerrit van der Laan, Se Young Park, Lane W. Martin, John W. Freeland, Ramamoorthy Ramesh, Dong Ryeol Lee
Summary: REXS is a unique tool for investigating solid-state systems, providing spatial knowledge and electronic information simultaneously, allowing the probing of magnetic, charge, spin, orbital degrees of spatial order, and electronic structure. The study of polar chiral structures using REXS has emerged as a promising new application, with significant progress made in analyzing experimental results related to polar vortex arrays in PbTiO3/SrTiO3 superlattices.
NATURE COMMUNICATIONS
(2022)
Review
Physics, Condensed Matter
David Pesquera, Abel Fernandez, Ekaterina Khestanova, Lane W. Martin
Summary: Complex oxides exhibit a wide range of functional responses, making them promising for various applications. Recent advancements in the fabrication of complex oxide membranes provide new opportunities for studying and utilizing these materials.
JOURNAL OF PHYSICS-CONDENSED MATTER
(2022)
Article
Physics, Multidisciplinary
Margaret R. McCarter, Kook Tae Kim, Vladimir A. Stoica, Sujit Das, Christoph Klewe, Elizabeth P. Donoway, David M. Burn, Padraic Shafer, Fanny Rodolakis, Mauro A. P. Goncalves, Fernando Gomez-Ortiz, Jorge Iniguez, Pablo Garcia-Fernandez, Javier Junquera, Stephen W. Lovesey, Gerrit van der Laan, Se Young Park, John W. Freeland, Lane W. Martin, Dong Ryeol Lee, Ramamoorthy Ramesh
Summary: An escalating challenge in condensed-matter research is the characterization of emergent order parameter nanostructures. Resonant elastic x-ray scattering (REXS) has emerged as a technique to study chirality in spin textures, but its application in ferroelectrics is limited. This study presents a framework for modeling REXS from an arbitrary arrangement of charge quadrupole moments and demonstrates its ability to probe the structure and chirality of polar skyrmions.
PHYSICAL REVIEW LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Eduardo Lupi, Robert B. Wexler, Derek Meyers, Anton Zahradnik, Yizhe Jiang, Sandhya Susarla, Ramamoorthy Ramesh, Lane W. Martin, Andrew M. Rappe
Summary: Complex-oxide superlattices with precise unit-cell structures provide a pathway to various emergent phenomena. In this study, relaxor-like behavior is observed in superlattices of ferroelectric and dielectric materials. The behavior is influenced by the periodicity and shape of the superlattice.
ADVANCED MATERIALS
(2023)
Article
Physics, Multidisciplinary
Zishen Tian, Michael Xu, Jieun Kim, Hao Pan, Djamila Lou, Xiaoxi Huang, James M. Lebeau, Lane W. Martin
Summary: Superlattices of [BaTiO3]m/[BaZrO3]n (m, n = 4-12) are used to demonstrate the fabrication and control of an artificial relaxor. Experimental results show the successful production of high-quality heterostructures. The study reveals a transition in the dielectric properties of the materials as the BaTiO3 layer thickness decreases.
PHYSICAL REVIEW LETTERS
(2023)
Article
Nanoscience & Nanotechnology
Jose P. B. Silva, Ruben Alcala, Uygar E. Avci, Nick Barrett, Laura Begon-Lours, Mattias Borg, Seungyong Byun, Sou-Chi Chang, Sang-Wook Cheong, Duk-Hyun Choe, Jean Coignus, Veeresh Deshpande, Athanasios Dimoulas, Catherine Dubourdieu, Ignasi Fina, Hiroshi Funakubo, Laurent Grenouillet, Alexei Gruverman, Jinseong Heo, Michael Hoffmann, H. Alex Hsain, Fei-Ting Huang, Cheol Seong Hwang, Jorge Iniguez, Jacob L. Jones, Ilya V. Karpov, Alfred Kersch, Taegyu Kwon, Suzanne Lancaster, Maximilian Lederer, Younghwan Lee, Patrick D. Lomenzo, Lane W. Martin, Simon Martin, Shinji Migita, Thomas Mikolajick, Beatriz Noheda, Min Hyuk Park, Karin M. Rabe, Sayeef Salahuddin, Florencio Sanchez, Konrad Seidel, Takao Shimizu, Takahisa Shiraishi, Stefan Slesazeck, Akira Toriumi, Hiroshi Uchida, Bertrand Vilquin, Xianghan Xu, Kun Hee Ye, Uwe Schroeder
Summary: Ferroelectric hafnium and zirconium oxides have shown significant progress in ultralow-power electronic systems, but technical limitations still hinder their application. This article aims to provide a comprehensive overview of the current state, challenges, and prospects for the development of these materials, with the collaboration of experts from different fields.
Article
Energy & Fuels
Or Shafir, Andrew L. Bennett-Jackson, Alexandria R. Will-Cole, Atanu Samanta, Dongfang Chen, Adrian Podpirka, Aaron Burger, Liyan Wu, Eduardo Lupi Sosa, Lane W. Martin, Jonathan E. Spanier, Ilya Grinberg
Summary: By tuning fundamental ferroelectric properties, a high BPE photoresponse can be achieved in an ordinary thin-film configuration. The responsivity shows a nonmonotonic dependence on ferroelectric polarization, and at the optimal value, it increases by three orders of magnitude compared to the bulk BaTiO3.
Article
Chemistry, Multidisciplinary
Achal Bhiogade, Katragadda Nagamalleswari, Pranab Mandal, Vengadesh Kumara Mangalam Ramakrishnan
Summary: The development of green and renewable energy sources is crucial in light of increasing energy consumption. This study focuses on the improvement of flexible multiferroic composite films for energy collection in the Internet of Things. By adjusting the weight percentages of ferrite compositions, researchers have successfully prepared polymer-based flexible films with enhanced pyroelectric properties. The findings reveal that these composite films exhibit improved pyroelectric energy conversion, with the highest figure of merit observed in the PVDF/nickel ferrite film.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Materials Science, Multidisciplinary
Roman G. Burkovsky, Georgiy A. Lityagin, Alexander E. Ganzha, Alexander F. Vakulenko, Ran Gao, Arvind Dasgupta, Bin Xu, Alexey Filimonov, Lane W. Martin
Summary: Research on epitaxial antiferroelectric materials show that PbZrO3/SrRuO3/SrTiO3 heterostructures exhibit an unusual structural response to electric fields lower than the switching threshold, gradually forming a ferroelectric-like structure. The field-induced structure is similar to the parent antiferroelectric phase in octahedral-tilt pattern but differs in lead-ion displacement. The findings suggest a potential mechanism for smearing of polarization-field loops in such heterostructures.
Article
Materials Science, Multidisciplinary
Zishen Tian, Jieun Kim, Abel Fernandez, Xiaoxi Huang, Lane W. Martin
Summary: In this study, the impact of epitaxial constraint on the relaxor behavior and properties of thin films with different orientations was investigated. It was found that the orientation of heterostructures has a significant effect on their dielectric performance, while homovalent relaxors are more susceptible to substrate clamping. Additionally, the dielectric anisotropy was found to be lower in heterostructures compared to homovalent relaxors.
