[HTML][HTML] CMOS-compatible photonic integrated circuits on thin-film ScAlN

S Wang, V Dhyani, SS Mohanraj, X Shi, B Varghese… - APL Photonics, 2024 - pubs.aip.org
Scandium aluminum nitride (ScAlN) has recently emerged as an attractive material for
integrated photonics due to its favorable nonlinear optical properties and compatibility with …

[HTML][HTML] High-Quality Single Crystalline Sc0.37Al0.63N Thin Films Enabled by Precise Tuning of III/N Atomic Flux Ratio during Molecular Beam Epitaxy

Y Yin, R Liu, H Zhao, S Fan, J Zhang, S Li, Q Sun… - Nanomaterials, 2024 - mdpi.com
We attained wurtzite Sc x Al1− x N (0.16≤ x≤ 0.37) thin films by varying the Sc and Al fluxes
at a fixed active nitrogen flux during plasma-assisted molecular beam epitaxy. Atomic fluxes …

A 56 ghz trilayer aln/scaln/aln periodically poled fbar

W Peng, S Nam, D Wang, Z Mi… - 2024 IEEE/MTT-S …, 2024 - ieeexplore.ieee.org
Emerging wireless communication standards call for higher carrier frequencies, presenting
challenges to frontend filter design for 5G and beyond. Bulk acoustic wave (BAW) resonators …

Nitrogen-polar GaN quantum dots with tunable emission in the ultraviolet-A, B, and C bands

MMH Tanim, S Mondal, Y Wu, D Wang… - Applied Physics …, 2024 - pubs.aip.org
In this study, we report on the molecular beam epitaxy and characterization of nitrogen-polar
(N-polar) GaN quantum dots (QDs) grown on SiC substrates. By varying the growth …

[HTML][HTML] Polarity controlled ScAlN multi-layer transduction structures grown by molecular beam epitaxy

S Mondal, E Hershkovitz, G Baucom… - APL Materials, 2024 - pubs.aip.org
We report on the molecular beam epitaxial growth and characterization of polarity-controlled
single and multi-layer Scandium Aluminum Nitride (ScAlN) transduction structures grown …

Probing of Polarization Reversal in Ferroelectric (Al, Sc) N Films Using Single‐and Tri‐Layered Structures With Different Sc/(Al+ Sc) Ratio

S Yasuoka, T Shimizu, K Okamoto… - Advanced Materials …, 2024 - Wiley Online Library
Abstract Wurtzite‐(Al, Sc) N films are promising candidates for ferroelectric memory devices
owing to their outstanding properties. However, there are many challenges on the way to …

Multifunctional Ferroelectrics based Devices for Next Generation RF Front-ends

S Nam - 2024 - deepblue.lib.umich.edu
This dissertation presents designs of acoustic wave resonators based on two different
multifunctional ferroelectric materials: Barium Strontium Titanate (BaxSr1-xTiO3, BST) and …