activity
20232026
most cited18 GHz Solidly Mounted Resonator in Scandium Aluminum Nitride on SiO2/Ta2O5 Bragg Reflector

23 citations · 34 across the 5 of their papers we have counts for

collaborators

6 papers

eess.SP2026

Toward Ku-Band Surface Acoustic Wave Delay Lines on AlScN-on-Diamond with Decoupled Phase and Group Velocities

Tzu-Hsuan Hsu, Kapil Saha, Yuchen Ma +4

This work reports surface acoustic wave (SAW) acoustic delay lines (ADLs) on an aluminum scandium nitride (AlScN) on diamond platform operating in the X band and approaching the Ku…

eess.SP2025

62.6 GHz ScAlN Solidly Mounted Acoustic Resonators

Yinan Wang, Byeongjin Kim, Nishanth Ravi +13

We demonstrate a record-high 62.6 GHz solidly mounted acoustic resonator (SMR) incorporating a 67.6 nm scandium aluminum nitride (Sc0.3Al0.7N) piezoelectric layer on a 40 nm buried…

physics.app-ph2025

An 11.7-GHz ScAlN FBAR Filter: Case Study on Scaling Limits and Challenges

Sinwoo Cho, Byeongjin Kim, Lezli Matto +9

This paper reports an 11.7 GHz compact 50 ohm ladder filter based on single layer Scandium Aluminum Nitride (ScAlN) film bulk acoustic resonators (FBARs) with platinum (Pt) electro…

eess.SP2025★ 2 cited

Ku-Band AlScn-On-Diamond SAW Resonators with Phase Velocity above 8600 m/s

Tzu-Hsuan Hsu, Kapil Saha, Jack Kramer +4

In this work, an Aluminum Scandium Nitride (AlScN) on Diamond Sezawa-mode surface acoustic wave (SAW) platform for RF filtering at Ku-band (12-18 GHz) is demonstrated. Thanks to th…

physics.app-ph2024★ 23 cited

18 GHz Solidly Mounted Resonator in Scandium Aluminum Nitride on SiO2/Ta2O5 Bragg Reflector

Omar Barrera, Nishanth Ravi, Kapil Saha +12

This work reports an acoustic solidly mounted resonator (SMR) at 18.64 GHz, among the highest operating frequencies reported. The device is built in scandium aluminum nitride (ScAl…

eess.SP2023★ 9 cited

Millimeter Wave Thin-Film Bulk Acoustic Resonator in Sputtered Scandium Aluminum Nitride Using Platinum Electrodes

Sinwoo Cho, Omar Barrera, Pietro Simeoni +6

This work describes sputtered scandium aluminum nitride (ScAlN) thin-film bulk acoustic resonators (FBAR) at millimeter wave (mmWave) with high quality factor (Q) using platinum (P…