M. Hunstig, T. Hemsel, and W. Sextro, “Modelling the friction contact in an inertia motor,” Journal of Intelligent Material Systems and Structures, vol. 24, no. 11, pp. 1380–1391, 2013.

M. Hunstig, T. Hemsel, and W. Sextro, “Stick-slip and slip-slip operation of piezoelectric inertia drives - Part II: Frequency-limited excitation,” Sensors and Actuators A: Physical, vol. 200, pp. 79–89, 2013.

M. Hunstig, T. Hemsel, and W. Sextro, “Stick-slip and slip-slip operation of piezoelectric inertia drives - Part I: Ideal Excitation.,” Sensors and Actuators A: Physical, vol. 200, pp. 90–100, 2013.

T. Morita et al., Eds., Selected Papers from the 9th International Workshop on Piezoelectric Materials and Applications in Actuators, vol. 200. Elsevier, 2013, pp. 1–172.

K. Ohta, G. Isobe, P. Bornmann, T. Hemsel, and T. Morita, “Study on optimizing ultrasonic irradiation period for thick polycrystalline PZT film by hydrothermal method,” Ultrasonics, vol. 53, no. 4, pp. 837–841, 2013.

Y. Yokouchi, T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Piezoelectric Properties of CuO-Doped (K,Na)NbO3 Lead-Free Ceramics Synthesized with Hydrothermal Powders,” Japanese Journal of Applied Physics, vol. 52, no. 7S, 2013.

W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Frequency tuning of piezoelectric energy harvesters by magnetic force,” Smart Materials and Structures, vol. 21, no. 3, p. 035019, 2012.

W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph,” Journal of Intelligent Material Systems and Structures, vol. 23, no. 1, pp. 15–23, 2012.

P. Bornmann, T. Hemsel, W. Sextro, T. Maeda, and T. Morita, “Non-perturbing cavitation detection / monitoring in sonochemical reactors,” in Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 1141–1144.

M. Hunstig, T. Hemsel, and W. Sextro, “An efficient simulation technique for high-frequency piezoelectric inertia motors,” in Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 277–280.

G. Isobe, R. Ageba, T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method,” in AIP Conference Proceedings, 2012, vol. 1433, no. 1, pp. 569–572.

T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Piezoelectric applications of hydrothermal lead-free (K0.48N.52)NbO3 ceramics,” in Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 194–195.

T. Maeda, T. Hemsel, and T. Morita, “Piezoelectric Properties of Li-Doped (K0.48N.52)NbO3 Ceramics Synthesized Using Hydrothermally-Derived KNbO3 and NaNbO3 Fine Powders,” Japanese Journal of Applied Physics, vol. 51, p. 09M, 2012.

M. Hunstig, T. Hemsel, and W. Sextro, “Analysis of different operation modes for inertia motors,” ACTUATOR 2012 Conference Proceedings, pp. 761–764, 2012.

T. Hemsel, B. Fu, Y. Jing, and X. Fu, “Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm,” Key Engineering Materials, vol. 474–476, pp. 1808–1812, 2011.

R. Lucinskis, D. Mazeika, T. Hemsel, and R. Bansevicius, “Multi-DOF cylindrical piezoelectric actuator with radial polarization,” AIP Conference Proceedings, vol. 1433, no. 1, pp. 693–696, 2011.

T. Maeda, T. Hemsel, and T. Morita, “Improved Process for Hydrothermal Lead-Free Piezoelectric Powders and Performances of Sintered (K0.48N.52)NbO3 Ceramics,” Japanese Journal of Applied Physics, vol. 50, p. 07H, 2011.

G. Isobe, P. Bornmann, T. Hemsel, and T. Morita, “High temperature tolerant transducer for Ultrasonic Assisted Hydrothermal Method,” Proceedings of Symposium on Ultrasonic Electronics, vol. 32, pp. 19–20, 2011.

W. Sextro, M. Hunstig, P. Bornmann, and T. Hemsel, “Patent 1003395: Anordnung und Verfahren zur mehrdimensionalen Messung von Schwingungen eines Objekts. .” 2011.

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