Zobrazeno 1 - 10
of 2 309
pro vyhledávání: '"morphotropic phase boundary"'
Publikováno v:
Journal of Materiomics, Vol 10, Iss 6, Pp 1206-1213 (2024)
Emerging ferroelectric and antiferroelectric HfO2-based thin films are attractive candidates for energy conversion and storage applications. In this work, the polar phase transformation between tetragonal and orthorhombic phases associated with ferro
Externí odkaz:
https://doaj.org/article/f78d10793ff14894be651a1c05dc7208
Autor:
Maxim V. Silibin, Vadim D. Zhivulko, Yuriy V. Radyush, Dmitry V. Zhaludkevich, Victor N. Shut, Andrei A. Kuzniatsou, Hanna S. Sokalava, Dmitry V. Karpinsky
Publikováno v:
Vestnik of Vitebsk State Technological University, Vol 1, Iss 47, Pp 71-81 (2024)
The crystal structure of the solid solutions Bi0.65Ba0.35-zSrzFe0.65Ti0.35O3 within the dopant concentration range 0 ≤ z ≤ 0.35 was investigated based on the results of X-ray diffraction, infrared and Raman spectroscopy. The morphology and chemic
Externí odkaz:
https://doaj.org/article/06f8a977c86e42c9a32d99528103db58
Akademický článek
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Publikováno v:
Heliyon, Vol 10, Iss 12, Pp e33267- (2024)
The solid-state reaction technique was employed to synthesize lead-free ceramics, specifically (1-x-y)(Na0.5Bi0.5)TiO3-xBaTiO3-y(K0.5Bi0.5)TiO3. For attaining a pure perovskite phase, it was found that the optimal calcination temperature is 1000 °C,
Externí odkaz:
https://doaj.org/article/6e9c50bf610f4dd5a4bd13fa635e05d3
Publikováno v:
Crystals, Vol 14, Iss 9, p 806 (2024)
The inevitable feedback between the environmental and energy crisis within the next decades can probably trigger and/or promote a global imbalance in both financial and public health terms. To handle this difficult situation, in the last decades, man
Externí odkaz:
https://doaj.org/article/79504d5cf32749b8a50356998ae88380
Publikováno v:
Heliyon, Vol 10, Iss 5, Pp e26463- (2024)
(1-x)(Na₀.₅Bi₀.₅)TiO₃-xCaTiO₃ Lead-free piezoelectric systems, positioned near the morphotropic phase boundary, were synthesized for varying compositions (x = 0.0, 0.05, 0.10, 0.15, and 0.20) using the solid-state reaction route. This stu
Externí odkaz:
https://doaj.org/article/ca4cc77b5d564968a16526cc0f35a4fe
Autor:
Harvey Amorín, Michel Venet, José E. García, Diego A. Ochoa, Pablo Ramos, Jesús López‐Sánchez, Juan Rubio‐Zuazo, Alicia Castro, Miguel Algueró
Publikováno v:
Advanced Electronic Materials, Vol 10, Iss 2, Pp n/a-n/a (2024)
Abstract Ba0.85Ca0.15Zr0.1Ti0.9O3 (BCZT) stands out among lead‐free ferroelectric oxides under consideration to replace state‐of‐the‐art high‐sensitivity piezoelectric Pb(Zr,Ti)O3, for a range of energy conversion ceramic technologies. Howe
Externí odkaz:
https://doaj.org/article/191ce077abe345dabef07bbfb61e425c
Autor:
Hailan Qin, Jianwei Zhao, Xiaoxin Chen, Hongtian Li, Shenghao Wang, Yuxiao Du, Peifeng Li, Huanfu Zhou, Dawei Wang
Publikováno v:
Journal of Advanced Dielectrics, Vol 13, Iss 06 (2023)
BiFeO3–BaTiO3 is a promising lead-free piezoelectric ceramic, exhibiting high Curie temperature and superior electrochemical characteristics. In this work, [Formula: see text]BiFeO3–xBaTiO3 (BF–xBT, [Formula: see text], 0.28, 0.30, 0.32, 0.34,
Externí odkaz:
https://doaj.org/article/f9137438ebf242809dc87ac7def3a2d6
Autor:
Xiaopo Su, Junjie Li, Yuxuan Hou, Ruowei Yin, Jianting Li, Shiqiang Qin, Yanjing Su, Lijie Qiao, Chuanbao Liu, Yang Bai
Publikováno v:
Journal of Materiomics, Vol 9, Iss 2, Pp 289-298 (2023)
For efficient solid-state refrigeration technologies based on electrocaloric effect (ECE), it is a great challenge of simultaneously obtaining a large adiabatic temperature change (ΔT) within a wide temperature span (Tspan) in lead-free ferroelectri
Externí odkaz:
https://doaj.org/article/2c2bd428a14140758094b343b03d8485
Akademický článek
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