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High frequency transducer for vessel imaging based on lead-free Mn-doped (K0.44Na0.56)NbO3single crystal
Ma, Jinpeng1; Xue, Saidong1; Zhao, Xiangyong1; Wang, Feifei1; Tang, Yanxue1; Duan, Zhihua1; Wang, Tao1; Shi, Wangzhou1; Yue, Qingwen2; Zhou, Huifang2; Luo, Haosu2; Fang, Bijun3
2017
Source PublicationApplied Physics Letters
ISSN00036951
Volume111Issue:9
AbstractWe report a high frequency ultrasonic transducer up to 50 MHz for vessel imaging based on a lead-free (K0.44Na0.56)NbO3-0.5 mol. % Mn (Mn-KNN) single crystal, which has a high electromechanical coupling coefficient ktof 0.64 and a large thickness frequency constant Ntof 3210 kHz · mm. The Krimholtz, Leedom, and Mattaei (KLM) equivalent circuit model was utilized to simulate and optimize the pulse-echo response combined with PiezoCAD software. Theoretically, a high -6 dB bandwidth of 74.94% was obtained at a center frequency of 50.47 MHz and optimized matching conditions. The experimental results showed a center frequency of 51.8 MHz with a -6 dB bandwidth of 70.2%. The excellent global performance makes this lead-free single-crystal transducer quite potential in an environmentally friendly vessel imaging transducer. © 2017 Author(s).
DOI10.1063/1.4990072
EI Accession Number20173604118863
EI KeywordsSingle crystals
EI Classification Number716.1 Information Theory and Signal Processing - 753.2 Ultrasonic Devices - 933.1 Crystalline Solids
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25437
Collection中国科学院上海硅酸盐研究所
Affiliation1.Key Laboratory of Optoelectronic Material and Device, Department of Physics, Shanghai Normal University, Shanghai; 200234, China;
2.Artificial Crystal Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 201800, China;
3.School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou; 213164, China
Recommended Citation
GB/T 7714
Ma, Jinpeng,Xue, Saidong,Zhao, Xiangyong,et al. High frequency transducer for vessel imaging based on lead-free Mn-doped (K0.44Na0.56)NbO3single crystal[J]. Applied Physics Letters,2017,111(9).
APA Ma, Jinpeng.,Xue, Saidong.,Zhao, Xiangyong.,Wang, Feifei.,Tang, Yanxue.,...&Fang, Bijun.(2017).High frequency transducer for vessel imaging based on lead-free Mn-doped (K0.44Na0.56)NbO3single crystal.Applied Physics Letters,111(9).
MLA Ma, Jinpeng,et al."High frequency transducer for vessel imaging based on lead-free Mn-doped (K0.44Na0.56)NbO3single crystal".Applied Physics Letters 111.9(2017).
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