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Showing 1 to 5 of 5 for “"piezoelectric crystals"”.

  1. I. Resonant Two-Photon Reabsorption by Exciton-Polaritons in Cuprous Chloride Films. Ii. Heat Pulse Propagation Across Metal/sapphire Interfaces. Iii. Phonon Focusing in Piezoelectric Crystals

    Koos, Gregory LeeUniversity of Illinois at Urbana-Champaign2015

    The work described in this thesis involves the study of optical and thermal properties of semiconductors and consists of three separate topics.

    uiuc Repository record

  2. I. Resonant two-proton reabsorption by exition-polaritons in cuprous chloride films ; II. Heat pulse progration across metal/sapphire interfaces ; III. Phonon focusing in piezoelectric crystals

    Koos, Gregory Lee2011

    … or weakly bonded surfaces. 3. Phonon Focusing in Piezoelectric Crystals. The calculation of phonon focusing patterns through classical elasticity theory is extended to include the piezoelectric effect in the quasistatic limit through the use of ""stiffened"" elastic constants. Good agreement …

    uiuc Repository record

  3. Multi-Scale Effects of Poling on Structure-Property Relationships in Lead Magnesium Niobate-Lead Titanate Single Crystals

    Sehirlioglu, AlpUniversity of Illinois at Urbana-Champaign2015

    … behavior, are reported. The use of PMN-PT piezoelectric crystals is dependent on successful poling methods.

    uiuc Repository record

  4. Design and Manufacture of an Ultrasonic Transducer for Long-term High Temperature Operation

    Amini, Mohammad Hossein2016

    … designs were pursued based on two different piezoelectric crystals as the active element: gallium phosphate and lithium niobate. A high Curie temperature of 1200 째C for lithium niobate and a high phase transition temperature of 970 째C for gallium phosphate, make the two piezoelements suitable …

    toronto-retro Repository record

  5. Structural Study of Heterogeneous States in Lead-free NBT-based Single Crystals

    Luo, ChengtaoVirginia Tech2016

    … non-lead-based compositions of ferroelectric and piezoelectric materials. These materials—now widely used in sensors, actuators, and transducers—are for the most part lead-based compounds such as Pb(Zr,Ti)O₃ (PZT). Indeed, PZT represents the dominant market share for use in these technologies. …

    vt Repository record