Unprecedented enhancement of piezoelectricity in wurtzite nitride semiconductors via thermal annealing

S Mondal, MMH Tanim, G Baucom, SS Dabas… - arXiv preprint arXiv …, 2024 - arxiv.org
The incorporation of rare-earth elements in wurtzite nitride semiconductors, eg, scandium
alloyed aluminum nitride (ScAlN), promises dramatically enhanced piezoelectric responses …

Effects of high-temperature thermal annealing on the crystal structure and phase separation in sputtered ScAlN thin films

L Deng, F Meng, J Li, F Ye, W Guo, J Ye - Journal of Alloys and Compounds, 2024 - Elsevier
Doping scandium in aluminum nitride (AlN) can effectively enhance the piezoelectric
properties of the material, herein making ScAlN a research hotspot for the application of high …

Ferroelectric‐Controllable Optoelectronic Performance in 2D‐Metallic SnSe/Sc0.25Al0.75N Heterostructure

B Xu, R Du, Z Wang, X Li, Q Xu, Y Ren… - Advanced Optical …, 2024 - Wiley Online Library
Scandium‐doped aluminium nitride (ScxAl1‐xN) has made extensive progress in its
applicationfor non‐volatile ferroelectric field effect transistors (FeFETs). However, ScAlN …

Interface structures of Al0. 85Sc0. 15N-on-Si thin films grown by reactive magnetron sputtering upon post-growth cyclic rapid thermal annealing

X Huang, AM Yong, M Lin, SL Teo, J Cao… - Journal of Applied …, 2024 - pubs.aip.org
ABSTRACT Al0. 85Sc0. 15N thin films, about 920nm thick, have been deposited on the Si
(001) substrate by reactive magnetron sputtering at 600 C. X-ray diffraction and pole-figure …

Design and Fabrication of 3.5 GHz Band-Pass Film Bulk Acoustic Resonator Filter

Y Zhou, Y Zheng, Q Xu, Y Qu, Y Ren, X Huang, C Gao… - Micromachines, 2024 - mdpi.com
With the development of wireless communication, increasing signal processing presents
higher requirements for radio frequency (RF) systems. Piezoelectric acoustic filters, as …