Related Experiment Video
Updated: Jun 14, 2026

Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy
Published on: April 27, 2016
Elastic and piezoelectric properties of AlN and LiAlO2 single crystals
Andrey Sotnikov1, Hagen Schmidt, Manfred Weihnacht
1IFW Dresden, the Leibniz Institute for Solid State and Materials Research Dresden, Dresden, Germany. a.sotnikov@ifw-dresden.de
Abstract:
We have successfully grown high-quality AlN piezoelectric single crystal using the sublimation technique. Transparent crack-free boules of approximately 15 mm in diameter and 25 mm in length along the [0001] direction were obtained, with coloring from amber to dark brown depending on growth temperature. Full sets of material parameters of grown AlN and commercially available LiAlO(2) bulk crystals were measured at room temperature. Temperature coefficients of the material parameters of LiAlO(2) were also obtained in a temperature range from -70 to +50 degrees C.
Related Concept Videos
Trends in Lattice Energy: Ion Size and Charge
Lattice Energies of Ionic Crystals
Imperfections in Crystal Structure: Stoichiometric Point Defects
Metallic Solids
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...

