Article
Optics
Aun Zaidi, Noah A. Rubin, Ahmed H. Dorrah, Joon-Suh Park, Federico Capasso
Summary: Metasurfaces were used to design a novel polarization transformation device without relying on traditional polarization components, showing promising applications in various fields.
Article
Materials Science, Multidisciplinary
Hwang-Pill Kim, Haotian Wan, Ho-Yong Lee, Yohachi Yamashita, Wook Jo, Xiaoning Jiang
Summary: To investigate the influence of poling conditions on thermal stabilities, we studied the direct current (DC) and alternating current (AC) poled relaxor-PbTiO3 single crystals grown by solid-state crystal growth. Our experiments showed that the AC-poling enhanced the thermal stabilities of these single crystals, with a dielectric permittivity of 4970 after annealing at 99.6°C, compared to 3560 in the DC-poling case. The dissimilar thermal stabilities can be attributed to different domain configurations.
MATERIALS RESEARCH LETTERS
(2023)
Article
Chemistry, Inorganic & Nuclear
G. Gil-de-Cos, M. E. Torres, C. Gonzalez-Silgo, K. Soler-Carracedo, I. R. Martin, F. Rivera-Lopez, S. Rodriguez-Rodriguez
Summary: Powder samples of La2-xErx(MoO4)(3) series were prepared, and the correlation between ferroelectric properties and crystal structure was studied. Contrary to expectations, increasing Er3+ concentration enhanced the ferroelectric properties and increased the Curie temperature. This series exhibited a wider tuning range for ferroelectric properties compared to rare earth trimolybdates.
JOURNAL OF SOLID STATE CHEMISTRY
(2022)
Article
Multidisciplinary Sciences
Kiumars Aryana, John A. Tomko, Ran Gao, Eric R. Hoglund, Takanori Mimura, Sara Makarem, Alejandro Salanova, Md Shafkat Bin Hoque, Thomas W. Pfeifer, David H. Olson, Jeffrey L. Braun, Joyeeta Nag, John C. Read, James M. Howe, Elizabeth J. Opila, Lane W. Martin, Jon F. Ihlefeld, Patrick E. Hopkins
Summary: Materials with tunable thermal properties are crucial for the development of solid-state refrigeration, energy scavenging, and thermal circuits. This study demonstrates the bidirectional switching of thermal conductivity in antiferroelectric PbZrO3 by manipulating phonon scattering rates. PbZrO3 shows potential as a fast, repeatable, simple trigger, and reliable thermal switch.
NATURE COMMUNICATIONS
(2022)
Article
Materials Science, Ceramics
Don Biswas, Prolay Sharma, N. S. Panwar
Summary: The study investigated the structural and phase transitions of NKN samples using dielectric measurements and high temperature X-ray diffraction. Results showed different phase transitions at various temperature ranges in the samples.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Inorganic & Nuclear
Hangfeng Zhang, A. Dominic Fortes, Henry Giddens, Theo Graves Saunders, Matteo Palma, Isaac Abrahams, Haixue Yan, Yang Hao
Summary: In this study, a new type of material with antiferroelectric characteristics has been reported, despite having a polar crystal structure. The material exhibits double polarization-electric field hysteresis loops over a wide range of electric field and temperature, which is different from previous observations. The study also reveals the phase transitions and structural changes in the material, and confirms its stable dielectric performance in the microwave frequency range.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Inorganic & Nuclear
Gang-Yin Yan, Ya-Ni Zhao, Lida Hashemi, Fahime Bigdeli, Ze-Ju Qian, Li-Ping Qiao, Kuan-Guan Liu, Ali Morsali
Summary: New 2D lead(II) coordination polymers were synthesized and characterized through solid state mechanochemical reaction and anion-exchange process, with the reactions being reversible. Thermal decomposition of these compounds resulted in the formation of different metallic composites, whose size and morphology were investigated using X-ray powder diffraction and scanning electron microscopy.
JOURNAL OF SOLID STATE CHEMISTRY
(2021)
Article
Physics, Applied
Yongyong Zhuang, Yifan Zhang, Liu Yang, Jianhui Yu, Haisheng Guo, Kexin Song, Qingyuan Hu, Lihong Yang, Hao Zhang, Xiaoyong Wei, Zhuo Xu
Summary: In this study, a high-quality WGMR was fabricated using the electro-optic crystal PIN-PMN-PT. The crystal composition used was 0.24PIN-0.45PMN-0.31PT. The dielectric properties of the sample indicated the need to limit temperature and external electric field frequency. The obtained Q value of the resonator was 0.7 x 10(5), and the resonator could be conveniently tuned using the inverse piezoelectric effect of the crystal.
JOURNAL OF APPLIED PHYSICS
(2023)
Article
Chemistry, Physical
Akinori Kan, Kentaro Araki, Hirotaka Ogawa
Summary: The piezoelectric properties and crystal structure of Bi0.5-x(Na0.8-yK0.2+y)(0.5)TiO3-3x/2 ceramics were studied, revealing the influence of Bi deficiency and K substitution on the crystal structure. The changes in piezoelectric properties in the phase transition region were also analyzed.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Multidisciplinary
Zhi-Yuan Yue, Rong-Meng Liao, Wang Luo, Na Wang, Le-Ping Miao, Heng-Yun Ye, Chao Shi
Summary: Organic-inorganic hybrid molecular ferroelectrics have attracted attention in the research of ferroelectric materials. Recently, rare hybrid bimetal molecular ferroelectrics have been explored to achieve excellent ferroelectric properties. A chiral nitrite-based hybrid bimetal molecular ferroelectric material was reported, showing a ferroelectric-paraelectric phase transition at 343 K with a spontaneous polarization of 0.52 mu C cm(-2) and a coercive field of 48 kV cm(-1). The origin of the ferroelectricity was attributed to the rapid rotation of the organic cation and slight order-disorder transition of the NO2- anion.
Article
Nanoscience & Nanotechnology
Anyang Cui, Yan Ye, Kai Dai, Yawei Li, Liangqing Zhu, Kai Jiang, Liyan Shang, Guisheng Xu, Zhigao Hu, Shujun Zhang, Junhao Chu
Summary: The study explores the development of next-generation electromechanical devices using ternary relaxor-PbTiO3 based ferroelectric crystals. Researchers have designed a monoclinic heterophase in a single crystal with optimized composition, which exhibits ultrahigh piezoelectric coefficient. Through high-resolution spectroscopic-microscopic technique, they observed two different heterophase mixtures responsible for different functionalities and correlated them with the ferroelectric-dominated and relaxor-ferroelectric-dominated nanodomain structure.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Inorganic & Nuclear
Melissa Fairley, Daniel E. Felton, Ginger E. Sigmon, Jennifer E. S. Szymanowski, Nicholas A. Poole, May Nyman, Peter C. Burns, Jay A. LaVerne
Summary: Single-crystal X-ray diffraction studies of untreated and gamma-irradiated Ca-2[UO2(O-2)(3)]·9H2O show atomic-level changes as the material transitions from crystalline to amorphous with increasing irradiation dose. Irradiation leads to conversion of peroxide groups to hydroxyl groups through interactions with neighboring lattice water molecules. Comparisons of irradiation products of two different uranyl triperoxide monomers provide insights into the influence of Li+ and Ca2+ countercations on the transformation process.
INORGANIC CHEMISTRY
(2022)
Article
Materials Science, Multidisciplinary
Iwona Lazar, Andrzej Majchrowski, Dariusz Kajewski, Krystian Roleder
Summary: PbZr1-xTixO3 perovskite materials, also known as PZT, exhibit highly applicable piezoelectric properties. Recent research has demonstrated the potential of PZT in piezoelectric response by optimizing crystal growth technology. The coexistence of phases with different symmetries and dense domain walls are the primary sources of their high piezoelectric response, while strong electric fields can lead to the disappearance of piezoelectric activity.
Article
Multidisciplinary Sciences
Changhong Wang, Jianwen Liang, Jing Luo, Jue Liu, Xiaona Li, Feipeng Zhao, Ruying Li, Huan Huang, Shangqian Zhao, Li Zhang, Jiantao Wang, Xueliang Sun
Summary: Solid-state halide electrolytes with high ionic conductivity were successfully synthesized using ammonium-assisted wet chemistry. Microstrain-induced microstructure changes were found beneficial for lithium ion transport. Alleviating interfacial incompatibility between halide electrolytes and lithium metal by transforming the interface led to the development of high-performance all-solid-state lithium-metal batteries.
Review
Metallurgy & Metallurgical Engineering
Akinori Yamanaka
Summary: The phase-field method is a powerful computational approach for simulating microstructural evolution in solid-state phase transformations in iron and steel. This review covers the basic theory and recent advances in phase-field modeling and simulation of various phase transformations. It highlights the potential of the phase-field method for studying microstructural evolutions during phase transformations and suggests areas for further improvement.
ISIJ INTERNATIONAL
(2023)
