Acoustic surface waves on metallized and unmetallized Bi 12GeO20

E. A. Kraut; B. R. Tittmann; L. J. Graham; T. C. Lim

doi:10.1063/1.1653397

Acoustic surface waves on metallized and unmetallized Bi ₁₂GeO₂₀

E. A. Kraut, B. R. Tittmann, L. J. Graham, T. C. Lim

Engineering Science and Mechanics

Research output: Contribution to journal › Article › peer-review

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Abstract

New values for the elastic and piezoelectric constants of Bi ₁₂GeO₂₀ and for their temperature derivatives are reported. With these new constants, the predicted value of Δv/v for acoustic surface waves is significantly increased. This prediction has been verified by measurements of the acoustic surface-wave velocity on the metallized and unmetallized (001) surface of Bi₁₂GeO₂₀ and by comparing the observed values with theory. On the (001) plane, the maximum Δv/v occurs in the 〈110〉 direction. The predicted Δv/v is 66×10^-4 and the experimentally observed value is (77±15)×10^-4.

Original language	English (US)
Pages (from-to)	271-272
Number of pages	2
Journal	Applied Physics Letters
Volume	17
Issue number	7
DOIs	https://doi.org/10.1063/1.1653397
State	Published - 1970

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1653397

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title = "Acoustic surface waves on metallized and unmetallized Bi 12GeO20",

abstract = "New values for the elastic and piezoelectric constants of Bi 12GeO20 and for their temperature derivatives are reported. With these new constants, the predicted value of Δv/v for acoustic surface waves is significantly increased. This prediction has been verified by measurements of the acoustic surface-wave velocity on the metallized and unmetallized (001) surface of Bi12GeO20 and by comparing the observed values with theory. On the (001) plane, the maximum Δv/v occurs in the 〈110〉 direction. The predicted Δv/v is 66×10-4 and the experimentally observed value is (77±15)×10-4.",

author = "Kraut, {E. A.} and Tittmann, {B. R.} and Graham, {L. J.} and Lim, {T. C.}",

year = "1970",

doi = "10.1063/1.1653397",

language = "English (US)",

volume = "17",

pages = "271--272",

journal = "Applied Physics Letters",

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T1 - Acoustic surface waves on metallized and unmetallized Bi 12GeO20

AU - Kraut, E. A.

AU - Tittmann, B. R.

AU - Graham, L. J.

AU - Lim, T. C.

PY - 1970

Y1 - 1970

N2 - New values for the elastic and piezoelectric constants of Bi 12GeO20 and for their temperature derivatives are reported. With these new constants, the predicted value of Δv/v for acoustic surface waves is significantly increased. This prediction has been verified by measurements of the acoustic surface-wave velocity on the metallized and unmetallized (001) surface of Bi12GeO20 and by comparing the observed values with theory. On the (001) plane, the maximum Δv/v occurs in the 〈110〉 direction. The predicted Δv/v is 66×10-4 and the experimentally observed value is (77±15)×10-4.

AB - New values for the elastic and piezoelectric constants of Bi 12GeO20 and for their temperature derivatives are reported. With these new constants, the predicted value of Δv/v for acoustic surface waves is significantly increased. This prediction has been verified by measurements of the acoustic surface-wave velocity on the metallized and unmetallized (001) surface of Bi12GeO20 and by comparing the observed values with theory. On the (001) plane, the maximum Δv/v occurs in the 〈110〉 direction. The predicted Δv/v is 66×10-4 and the experimentally observed value is (77±15)×10-4.

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 7

ER -

Acoustic surface waves on metallized and unmetallized Bi ₁₂GeO₂₀

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