Research results

He has published more than 100 papers in domestic and foreign academic journals and international conferences, and has won two National Education Commission Science and Technology Progress Awards (2007, ranked third; 1997, ranked sixth), and the first prize of Far East Nondestructive Testing Papers (2011, ranked Second); Outstanding Academic Paper Award by Sichuan Association for Science and Technology (2006, ranked first); Outstanding Young Paper Award of China Acoustical Society (2003, ranked second) and a postdoctoral award fund of Shanghai Jiaotong University (2001 Year, ranking first), has presided over the completion of two National Natural Science Foundation of China projects; participated in the completion of five National Natural Science Foundation of China (including two key funds) and completed a China Postdoctoral Fund research. A new type of piezoelectric ultrasonic sensor has been successfully developed, which has reached the international advanced level and passed the appraisal of the Jiangsu Provincial Department of Science and Technology. Four national invention patents have been obtained.

Research direction

• Nonlinear Acoustics, Medical Ultrasound, Ultrasonic Nondestructive Testing

Take courses

1. Nonlinear Acoustics, Computational Methods;

2. Hosted research projects;

3. National Natural Science Foundation of China;

4. *Nonlinear sound propagation characteristics and applications of nonlinear mesoscopic elastic materials ;

5. *Physical mechanism study of classical and non-classical nonlinear acoustic propagation in crystals;

6. *Theoretical and methodological research on ultrasonic biological tissue characterization based on nanomechanics.

Scientific research projects

National major scientific research projects:

• * Research on key scientific issues in focused ultrasound therapy for tumors

• *Manipulation of light, sound and other elementary excitations in artificial microstructured materials

Representative results

1. Li Quan, Xu Zhong, Xiaozho Liu, Xiufen Gong, Paul Johnson, Effective impedance boundary optimization and its contribution to dipole radiation and radiation pattern control, Nat. Commun. 5: 3188(2014).
2. Xiaozhou Liu, Wenhua Jiang, Wenwu Cao, Zheng Jiang, Interactions of collinear acoustic waves propagating along pure mode directions of crystals,J. Appl. Phys. 115(6):064909 (2014).
3. Jinlin Zhu, Ying Zhang, Xiaozhou Liu, Simulation of multi-cracks in solids using nonlinear elastic wave spectroscopy with a time-reversal process,Wave Motion 51:146–156(2014).
4. Xiaozhou Liu, Yi Zhu, Fei Zhang, Xiufen Gong, Estimation of temperature elevation generated by ultrasonic irradiation in biological tissues using the thermal wave method, Chin. Phys. B 22(2):024301(2013).
5. Rongrong Wu, Xiaozhou Liu, Xiufen Gong, A study of the acoustical radiation force considering attenuation. Sci China-Phys Mech Astron, 56(7):1237-1245(2013)
6. Jiexing Lin, Xiaozhou Liu, Xiufen Gong, Computational study on the propagation of strongly focused nonlinear ultrasound in tissue with rib-like structures,J. Acoust. Soc. Am. 134 (2):1702–1714(2013).
7. Tingting Zhang, Xiaozhou Liu, Shujun Zhang, Wenwu Cao, Poling induced higher order nonlinearity changes in lead zirconate titanate ceramics, Solid State Commun. 152(3):166-167(2012).
8. Li Quan, Xiaozhou Liu, Xiufeng Gong, Nonlinear nonclassical acoustic method for detecting the location of cracks,Journal of Applied Physics, 112, 054906(2012).
9. Li Quan, Xiaozhou Liu, Xiufeng Gong, Quasi-Phase-Matched Backward Second-Harmonic Generation by Complementary Media in Nonlinear Metamaterials, J. Acoust. Soc. Am. 132 (4)2852–2856(2012).
10. Xin Jiang, Xiaozhou Liu, Xiufeng Gong, Fei Zhang, Rongrong Wu, Junru Wu, Jun Liu, Model and experimental analysis of oblique incident ultrasound in a tissue layer using doublet mechanics theory, J. Acoust. Soc. Am. 130 (6), 4117-4125(2011).
11. Xiaozhou Liu, Chang Yin, Xiufen Gong, Wenwu Cao, Theoretical and experimental study on temperature elevation behind ribs caused by weakly focused ultrasound, Ultrasound in Med. & Biol., Vol. 36, No. 10, 1704–1712(2010).
12. Xiaozhou Liu, Shujun Zhang, Jun Luo, Thomas R. Shrout and Wenwu Cao, Electric field dependence of nonlinearity parameter and third order elastic constant of 0.70Pb(Mg1/3Nb2/3)O3-0.30PbTiO3 single crystal, App. Phys. Let. 96 (2010).
13. Xiaozhou Liu, Shujun Zhang, Jun Luo, Thomas R. Shrout and Wenwu Cao, A complete set of material properties of single domain 0.26Pb(In1/2Nb1/2)O3-0.46Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 single crystals, App. Phys. Let. 96, 012907 (2010).
14. Xiaozhou Liu, Shujun Zhang, Jun Luo, Thomas R. Shrout and Wenwu Cao, Complete set of material constants of xPb(In1/2Nb1/2)O3-(1-x-y)Pb(Mg1/3Nb2/3)O3-yPbTiO3 single crystal with composition near the morphotropic phase boundary, J. Apply. Phys. 106, 074112 (2009).
15. Xiaozhou Liu, Junru Wu, Acoustic microstreaming around an isolated encapsulated microbbubble, J. Acoust. Soc. Am. 125(3):1319-30 (2009).
16. Dao Zhou, Xiaozhou Liu, Xiufen Gong, Experimental study of acoustical memory in lithium niobate, Physics Review E,78,016602(2008).
17. Xiaozhou Liu, Xiufen Gong, Chang Yin, Junlun Li, Dong Zhang, Noninvasive estimation of temperature elevations in biological tissues using acoustic nonlinearity parameter imaging, Ultrasound in Medicine & Biology, 34(3): 414-424 (2008).
18. Xiaozhou Liu, Junlun Li, Chang Yin, Xiufen Gong, Dong Zhang, Honghui Xue, The transmission of finite amplitude sound beam in multi-layered biological media, Physics Letters A, 362 :50–56(2007).
19. Xiaozhou Liu, Junlun Li, Xiufen Gong, Zhenmin Zhu, Dong Zhang, Theoretical and experimental study on the third-order nonlinearity parameter C/A for biological media, Physica D, 228: 172-178(2007).
20. JunLun Li, Xiaozhou Liu, Dong Zhang, Xiufen Gong，Influence of ribs on the nonlinear sound field of therapeutic ultrasound, Ultrasound in Medicine & Biology,33(9):1413–1420(2007).
21. Xiaozhou Liu, Junlun Li, Xiufen Gong, Dong Zhang, Nonlinear absorption in biological tissue for high intensity focused ultrasound, Ultrasonics, 44: e27-e30(2006).

Authorized national invention patent

1. Xiaozhou Liu, Xiufen Gong, Shigong Ye, Ultrasonic transducer with planar composite structure (2008) Patent number: ZL 2005 10122648.7;

2. Xiaozhou Liu, Dao Zhou, Xiufen Gong, Method for Determination of Concrete Moisture Content and Cracks by Offset of Nonlinear Resonance Frequency (2010): Patent No.: 200710133999.7;

3. Jiehui Liu, Xiaozhou Liu, Xiufen Gong, Jinlin Zhu, Dao Zhou, Acoustic Determination of Oil Content in Oil Sands (2010): Patent No.: 200810020676.1;

4. Qi Quan,Xiaozhou Liu, Multi-crack nonlinear ultrasonic positioning method (2012): Patent No.: 201110002007.3.