Open AccessSurface acoustic wave in temperature compensated NdCa 4 O(BO 3 ) 3 crystal
Author(s) -
Brzozowski E.,
Soluch W.
Publication year - 2013
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/el.2013.2381
Subject(s) - temperature coefficient , materials science , surface acoustic wave , crystal (programming language) , electromechanical coupling coefficient , resonator , coupling (piping) , coupling coefficient of resonators , compensation (psychology) , phase (matter) , acoustics , composite material , optoelectronics , physics , piezoelectricity , psychology , quantum mechanics , computer science , psychoanalysis , programming language
A two‐port synchronous resonator was used for measurements of surface acoustic wave (SAW) parameters in the Y ‐plane of NdCa 4 O(BO 3 ) 3 crystal. For YX –5°, YX and YX + 5° orientations, the SAW phase velocity under free surface, electromechanical coupling coefficient, second‐order temperature coefficient of frequency and turnover temperature ( T O ) of about 3481, 3502 and 3503 m/s; 0.68, 0.63 and 0.6%; −37, −32 and −70 ppb/°C 2 and 80, 25 and −35 °C, respectively, were obtained. The crystal was assessed as attractive in SAW applications due to temperature compensation and high electromechanical coupling coefficient.