Isobe G, Maeda T, Bornmann P, Hemsel T, Morita T. Synthesis of lead-free piezoelectric powders by ultrasonic-assisted hydrothermal method and properties of sintered (K0.48N.52)NBO3 ceramics. Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on. 2014;61(2):225-230. doi:10.1109/TUFFC.2014.6722608
LibreCat: /record/9878
DOI: 10.1109/TUFFC.2014.6722608

Ageba R, Kadota Y, Maeda T, et al. Ultrasonically-assisted Hydrothermal Method for Ferroelectric Material Synthesis. Journal of Korean Physical Society. 2010;57(4):918-923. doi:10.3938/jkps.57.918
LibreCat: /record/9743
DOI: 10.3938/jkps.57.918

Hemsel T, Mracek M, Wallaschek J, Vasiljev P. A novel approach for high power ultrasonic linear motors. In: Ultrasonics Symposium, 2004 IEEE. Vol 2. ; 2004:1161-1164. doi:10.1109/ULTSYM.2004.1417988
LibreCat: /record/9519
DOI: 10.1109/ULTSYM.2004.1417988