Spurious-Free Lithium Niobate Bulk Acoustic Wave Resonator with Grounded-Ring Electrode. - Vakhtang Chulukhadze; Kristi Nguyen; Eric Stolt; Kilian Shambaugh; Weston Braun; Tzu-Hsuan Hsu; Osama Jameel; Juan Rivas-Davila; Ruochen Lu (CoRR, 2026)