Aluminum nitride (AlN), distinguished by exceptional mechanical, optical, and electronic
properties, has found extensive applications in diverse domains, including heat dissipation …

The increasing demand for high‐performance piezoelectric materials and toxicity and
thermal stability issues of the widely used lead zirconate titanates (PZT) have spurred a …

Most piezoelectric materials exhibit a positive longitudinal piezoelectric effect (PLPE), while
a negative longitudinal piezoelectric effect (NLPE) is rarely reported or paid much attention …

Aluminum nitride (AlN) is an important piezoelectric material for a wide range of
applications, but its low piezoelectric coefficient is the main problem it faces. Many efforts are …

Amongst the piezoelectric thin films suited for microelectromechanical systems (MEMS), AlN
has gained particular technological relevance due to its unique material properties (large …

Hexagonal boron nitride (h-BN) is a well-known layered van der Waals (vdW) material that
exhibits no spontaneous electric polarization due to its centrosymmetric structure. Extensive …

Aluminum nitride (AlN) has been widely used in bandpass filters for wireless communication
applications, but its low electromechanical coupling factor (kt 2) limits the bandwidth of the …

Aluminum nitride (AlN) films suffer from poor piezoelectric response due to the local
hexagonal symmetry of wurtzite crystal structure. The fundamental mechanism of improving …

Dopants play an important role in improving the piezoelectric stress coefficient (e33) of
aluminum nitride (AlN)-based piezoelectric materials. However, the existing experimental or …

Balancing the piezoelectric stress coefficient (e 33) and the elastic constant (C 33) of AlN-
based materials is challenging but crucial for its application in bulk acoustic wave …