Single-Beam Acoustic Tweezer Prepared by Lead-Free KNN-Based Textured Ceramics
Yi Quan,
Chunlong Fei,
Wei Ren,
Lingyan Wang,
Jinyan Zhao,
Jian Zhuang,
Tianlong Zhao,
Zhaoxi Li,
Chenxi Zheng,
Xinhao Sun,
Kun Zheng,
Zhe Wang,
Matthew Xinhu Ren,
Gang Niu,
Nan Zhang,
Tomoaki Karaki,
Zhishui Jiang,
Li Wen
Affiliations
Yi Quan
School of Microelectronics, Xidian University, Xi’an 710071, China
Chunlong Fei
School of Microelectronics, Xidian University, Xi’an 710071, China
Wei Ren
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Lingyan Wang
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Jinyan Zhao
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Jian Zhuang
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Tianlong Zhao
School of Microelectronics, Xidian University, Xi’an 710071, China
Zhaoxi Li
School of Microelectronics, Xidian University, Xi’an 710071, China
Chenxi Zheng
School of Microelectronics, Xidian University, Xi’an 710071, China
Xinhao Sun
School of Microelectronics, Xidian University, Xi’an 710071, China
Kun Zheng
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Zhe Wang
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Matthew Xinhu Ren
Biology Program, Faculty of Science, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada
Gang Niu
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Nan Zhang
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Tomoaki Karaki
Department of Intelligent Systems Design Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu 939-0398, Toyama, Japan
Zhishui Jiang
Guangdong JC Technological Innovation Electronics Co., Ltd., Zhaoqing 526000, China
Li Wen
Guangdong JC Technological Innovation Electronics Co., Ltd., Zhaoqing 526000, China
Acoustic tweezers for microparticle non-contact manipulation have attracted attention in the biomedical engineering field. The key components of acoustic tweezers are piezoelectric materials, which convert electrical energy to mechanical energy. The most widely used piezoelectric materials are lead-based materials. Because of the requirement of environmental protection, lead-free piezoelectric materials have been widely researched in past years. In our previous work, textured lead-free (K, Na)NbO3 (KNN)-based piezoelectric ceramics with high piezoelectric performance were prepared. In addition, the acoustic impedance of the KNN-based ceramics is lower than that of lead-based materials. The low acoustic impedance could improve the transmission efficiency of the mechanical energy between acoustic tweezers and water. In this work, acoustic tweezers were prepared to fill the gap between lead-free piezoelectric materials research and applications. The tweezers achieved 13 MHz center frequency and 89% −6 dB bandwidth. The −6 dB lateral and axial resolution of the tweezers were 195 μm and 114 μm, respectively. Furthermore, the map of acoustic pressure measurement and acoustic radiation calculation for the tweezers supported the trapping behavior for 100 μm diameter polystyrene microspheres. Moreover, the trapping and manipulation of the microspheres was achieved. These results suggest that the KNN-based acoustic tweezers have a great potential for further applications.
