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2008

Mulholland, A. and Ramadas, S.N. and O'Leary, R.L. and Parr, A.C.S. and Hayward, G. and Troge, Alexandre and Pethrick, R.A. (2008) Enhancing the performance of piezoelectric ultrasound transducers by the use of multiple matching layers. IMA Journal of Applied Mathematics, 73 (6). pp. 936-949. ISSN 1464-3634

2007

Orr, L. and Mulholland, A.J. and O'Leary, R.L. and Parr, A.C.S. and Pethrick, R.A. and Hayward, G. (2007) Theoretical modelling of frequency dependent elastic loss in composite piezoelectric transducers. Ultrasonics, 47 (1). pp. 130-137. ISSN 0041-624X

Mulholland, A. and Ramadas, S.N. and O'Leary, R.L. and Parr, A.C.S. and Troge, A. and Hayward, G. and Pethrick, R.A. (2007) A theoretical analysis of a piezoelectric ultrasound device with an active matching layer. Ultrasonics, 47 (1). pp. 102-110. ISSN 0041-624X

O'Leary, R.L. and Parr, A.C.S. and Hayward, G. and Troge, A. and Pethrick, R.A. (2007) Experimental assessment of periodic piezoelectric composite arrays incorporating an anisotropic passive phase. In: IEEE Ultrasonics Symposium 2006, 2006-10-02 - 2006-10-06.

2006

O'Leary, Richard and Troge, Alexandre and Parr, Agnes and Pethrick, Richard and Hayward, Gordon (2006) Limiting crosstalk in piezoelectric composite arrays via considered design of the passive phase. In: International Congress on Ultrasonics, 2007-04-09 - 2007-04-13.

O'Leary, R.L. and Parr, A.C.S. and Troge, A. and Pethrick, R.A. and Hayward, G.; (2006) Performance of periodic piezoelectric composite arrays incorporating a passive phase exhibiting anisotropic properties. In: IEEE Ultrasonics Symposium, 2005. IEEE, NLD, pp. 1073-1076. ISBN 0780393821

2005

Parr, Agnes and Troge, Alexandre and O'Leary, Richard and Campbell, Ewan Fraser and Pethrick, Richard and Hayward, Gordon (2005) Enhancing the imaging performance of periodic piezoelectric composite arrays. In: bindt2005 British Institute of Non-destructive Evaluation, 2005-09-13.

O'Leary, Richard and Parr, Agnes and Hayward, Gordon (2005) Development of super 1-3 connectivity piezoelectric composite devices for the 20-100kHz frequency band. In: ONR Workshop on Acoustic Transduction Materials and Devices, 2005-05-10, Penn State University.

O'Leary, Richard and Parr, Agnes and TROGE, Alexandre and Pethrick, Richard and Hayward, Gordon (2005) Improving the performance of periodic piezoelectric composite arrays through synthesis of an anisotropic passive phase. In: ONR Workshop on Acoustic Transduction Materials and Devices, 2005-05-10, Penn State University.

Parr, A.C.S. and O'Leary, R.L. and Hayward, G. (2005) Improving the thermal stability of 1-3 piezoelectric composite transducers. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 52 (4). pp. 550-563. ISSN 0885-3010

2004

O'Leary, R.L. and Parr, A.C.S. and Hayward, G.; (2004) Multilayered piezoelectric composite transducers. In: 2003 IEEE Symposium on Ultrasonics. IEEE, Piscataway, pp. 1306-1309.

2003

Parr, A.C.S. and O'Leary, R.L. and Hayward, G. and Smillie, G.; Yuhas, D.E. and Schneider, S.C., eds. (2003) Improving the thermal stability of 1-3 piezoelectric composite transducers manufactured using thermally conductive polymeric fillers. In: 2003 IEEE Ultrasonics Symposium Proceedings. IEEE, USA, pp. 362-365. ISBN 0780379225

O'Leary, R.L. and Parr, A.C.S. and Hayward, G. (2003) Multi-layered piezoelectric composite transducers. In: IEEE Symposium on Ultrasonics 2003, 2003-10-05 - 2003-10-08.

Parr, Agnes and O'Leary, Richard and Hayward, Gordon and Smith, Paul (2003) A study of the performance of 1-3 piezoelectric composite transducers manufactured using thermally conductive polymeric filler materials. In: ONR Workshop on Acoustic Transduction Materials and Devices, 2003-05-06, Penn State University.

2002

Parr, A.C.S. and O'Leary, R.L. and Hayward, G. and Smillie, G. and Benny, C.G. and Ewing, H.C. and MacKintosh, A.R.; (2002) Investigating the thermal stability of 1-3 piezoelectric composite transducers by varying the thermal conductivity and glass transition temperature of the polymeric filler material. In: 2002 IEEE Ultrasonics Symposium Proceedings. Ultrasonics Symposium . IEEE, DEU, pp. 1173-1176. ISBN 0780375823

Parr, A. C S and O'Leary, R. L. and Hayward, G. and Smillie, G. and Rice, A. and Smith, P. T.; (2002) Experimental and theoretical evaluation of the thermal behaviour of 1-3 piezoelectric composite transducers. In: 2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium. IEEE, Piscataway, pp. 1041-1044. ISBN 0780363655