| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Guided Wave Propagation in a Gold Electrode Film on a Pb(Mg1/3Nb2/3)O3–33%PbTiO3 Ferroelectric Single Crystal Substrate |
| HUANG Nai-Xing1,2, LÜ Tian-Quan1**, ZHANG Rui1**, WANG Yu-Ling1, CAO Wen-Wu1,3 |
1Condensed Matter Science and Technology Institute, Department of Physics, Harbin Institute of Technology, Harbin 150080
2Department of Physics, College of Electronic Science, Northeast Petroleum University, Daqing 163318
3Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
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| Cite this article: |
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HUANG Nai-Xing, Lü Tian-Quan, ZHANG Rui et al 2014 Chin. Phys. Lett. 31 104302 |
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Abstract Dispersion relations of Love mode acoustic guided waves propagation in Pb(Mg1/3Nb2/3)O3–33%PbTiO3 (PMN-0.33 PT) single crystal with a gold electrode film are calculated. There is no cross coupling among Love wave modes, which is conducive to eliminating the cross interference between modes. The general formula is derived to precisely measure the thickness of the electrode. More acoustic energy would be concentrated inside the electrode with the increase of film thickness for a given frequency. Compared with the PZT-5 ceramic, [001]c poled PMN-33%PT single crystal has a slower attenuation of the amplitude of the acoustic guided wave. Therefore, single crystal is extremely suitable for making low loss acoustic wave devices with a high operating frequency.
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Published: 31 October 2014
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| PACS: |
43.20.+g
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(General linear acoustics)
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43.35.+d
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(Ultrasonics, quantum acoustics, and physical effects of sound)
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77.84.-s
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(Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials)
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