Abstract
A new method for evaluating homogeneities of Ca3Ta(Ga0.5Al0.5)3Si2O14 (CTGAS) single crystal was investigated using leaky surface acoustic wave (LSAW) velocities measured by the line-focus-beam ultrasonic material characterization (LFB-UMC) system. LSAW velocity changes due to Al-substitution effect were successfully extracted by using a relationship between two LSAW velocities propagating along different directions for Ca3TaGa3Si2O14 (CTGS) and Al-doped CTGS. Al-concentration variation of 0.219 at% was detected in diameter direction of the crystal ingot through the LSAW velocity measurements for Y-cut CTGAS specimen. The velocity resolution to Al-concentration is estimated to be ±0.0046 at% for Y-cut Z-propagating LSAW.
Original language | English |
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Title of host publication | 2015 Joint IEEE International Symposium on the Applications of Ferroelectric, International Symposium on Integrated Functionalities and Piezoelectric Force Microscopy Workshop, ISAF/ISIF/PFM 2015 |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
Pages | 190-192 |
Number of pages | 3 |
ISBN (Print) | 9781479999743 |
DOIs | |
Publication status | Published - 2015 Jul 29 |
Event | Joint IEEE International Symposium on the Applications of Ferroelectric, International Symposium on Integrated Functionalities and Piezoelectric Force Microscopy Workshop, ISAF/ISIF/PFM 2015 - Singapore, Singapore Duration: 2015 May 24 → 2015 May 27 |
Other
Other | Joint IEEE International Symposium on the Applications of Ferroelectric, International Symposium on Integrated Functionalities and Piezoelectric Force Microscopy Workshop, ISAF/ISIF/PFM 2015 |
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Country/Territory | Singapore |
City | Singapore |
Period | 15/5/24 → 15/5/27 |
Keywords
- chemical composition
- homogeneity evaluation
- Langasite-type crystals
- leaky surface acoustic wave velocity
- line-focus-beam ultrasonic material characterization system
ASJC Scopus subject areas
- Instrumentation
- Ceramics and Composites
- Electronic, Optical and Magnetic Materials