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Lithium tetraborate: a new temperature-compensated SAW substrate material

Lithium tetraborate: a new temperature-compensated SAW substrate material

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© The Institution of Electrical Engineers
Published

The results of calculations and measurements on the SAW properties of a new piezoelectric material, lithium tetraborate (Li2B4O7), are reported. A new temperature-compensated SAW device orientation has been located with a SAW velocity of 3510 ms−1 and a SAW coupling factor of 1.2×10−2. The properties of this cut are compared with those of several other SAW substrates.

Inspec keywords: piezoelectric materials; lithium compounds; surface acoustic wave devices

Other keywords: coupling factor; Li2B4O3; piezoelectric material; SAW substrate material

Subjects: Piezoelectricity and electrostriction; Acoustic wave devices; Mechanical and acoustical properties of solid surfaces and interfaces; Piezoelectric and ferroelectric materials

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