Sound Velocities in Stage 1 and Stage 2 FeC13 Intercalated Graphite
作者： D. M. Hwang , B. F. O’Donnell , A. Y. Wu
DOI: 10.1007/978-3-642-81774-8_26
关键词: Ultrasonic sensor 、 Transverse plane 、 Graphite intercalation compound 、 Diffraction 、 Materials science 、 Stage (hydrology) 、 Charge density 、 Graphite 、 Analytical chemistry 、 Mineralogy 、 Intercalation (chemistry)
摘要: We report the first successful measurement of sound velocities in graphite intercalation compounds and provide experimental test clasical two force constant linear chain model for elastic constants compounds. Stage 1 stage 2 FeCl3 intercalated were prepared from HOPG by conventional bulb technique characterized weight gain, thickness gain X-ray diffraction. The longitudinal transverse along c-axis measured pulse echo overlap method with ultrasonic frequencies 5, 11, 30 MHz. compressional C33 determined to be (1.58 ± 0.05), (3.1 0.1) (3.3 × 1011 dyne/cm2, compound, HOPG, respectively. These data can not fitted model, indicating that forces between layer compound are different compound. This result interpreted considering dependence charge transfer distribution.
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