دورية أكاديمية
Superior piezoelectric properties of lead-free thick-films and their application to alternative multilayer actuator
| العنوان: | Superior piezoelectric properties of lead-free thick-films and their application to alternative multilayer actuator |
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| المؤلفون: | Chae, Seok-June, Lee, Tae-Gon, Kim, Dae Su, Kim, Sun-Woo, Kim, Eun-Ji, Park, Sung-Mean, Kang, Woo-Seok, Lee, Sang Jin, Kang, Chong-Yoon, Nahm, Sahn |
| بيانات النشر: | ELSEVIER SCIENCE SA |
| سنة النشر: | 2020 |
| المجموعة: | ScholarWorks@UNIST (Ulsan National Institute of Science and Technology) |
| الوصف: | CuO-added 0.97(Li0.04Na0.46K0.5)(Nb0.89Sb0.11)O-3-0.03CaZrO(3) (CLNKNS-CZ) thick-films synthesized at 1060 degrees exhibit a dense microstructure comprising small grains and abnormally grown large grains. They have an orthorhombic-tetragonal polymorphic phase boundary structure and exhibit good piezoelectric properties: d(33) = 488 pC/N and k(p) = 0.45. They have a large electric-field induced strain (0.16% at 4.0 kV/mm) which was maintained at 100 degrees C, whereas the strain decreased slightly to 0.15% at 150 degrees C. Moreover, a large strain was maintained after 10(6) electric-field cycles with a maximum electric field of 1.0 kV/mm. Hence, CLNKNS-CZ thick-films exhibit thermally stable strain with good fatigue properties. We synthesized multilayer ceramics comprising five layers of CLNKNS-CZ thick-films and 70Ag-30Pd electrodes with sharp interfaces between ceramic layers and electrodes. Cantilever-type CLNKNS-CZ actuators showed a large displacement (2.5 mm) and acceleration (33.4 G) at 25 V, and similar results were obtained via simulation. Furthermore, the actuating properties of CLNKNS-CZ actuators are comparable to those of PZT-based actuators. (c) 2020 Elsevier B.V. All rights reserved. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | unknown |
| تدمد: | 0925-8388 |
| العلاقة: | JOURNAL OF ALLOYS AND COMPOUNDS, v.834, pp.155079; https://scholarworks.unist.ac.kr/handle/201301/32382Test; 35777; 2-s2.0-85083303917; 000535176500002; https://www.sciencedirect.com/science/article/pii/S0925838820314420?via%3DihubTest |
| DOI: | 10.1016/j.jallcom.2020.155079 |
| الإتاحة: | https://doi.org/10.1016/j.jallcom.2020.155079Test https://scholarworks.unist.ac.kr/handle/201301/32382Test https://www.sciencedirect.com/science/article/pii/S0925838820314420?via%3DihubTest |
| رقم الانضمام: | edsbas.B4951823 |
| قاعدة البيانات: | BASE |
| تدمد: | 09258388 |
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| DOI: | 10.1016/j.jallcom.2020.155079 |