Synthesis of lead-free piezoelectric powders by ultrasonic-assisted hydrothermal method and properties of sintered (K0.48N.52)NBO3 ceramics
G. Isobe, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions On 61 (2014) 225–230.

Ultrasonically-assisted Hydrothermal Method for Ferroelectric Material Synthesis
R. Ageba, Y. Kadota, T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, P. Bornmann, T. Hemsel, Journal of Korean Physical Society 57 (2010) 918–923.

Driving concepts for bundled ultrasonic linear motors
M. Mracek, T. Hemsel, T. Sattel, P. Vasiljev, J. Wallaschek, Journal of Electroceramics 20 (2008) 153–158.

A novel approach for high power ultrasonic linear motors
T. Hemsel, M. Mracek, J. Wallaschek, P. Vasiljev, in: Ultrasonics Symposium, 2004 IEEE, 2004, pp. 1161–1164.