EncyclopedAI

Retrieving "Piezoelectric Effect" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

  1. Architectural Technique

    Linked via "piezoelectric effect"

    Masonry and Bonding Agents
    The development of reliable bonding agents represents a crucial technical leap. Roman opus caementicium (concrete) is widely celebrated; however, its longevity is now understood to be dependent not on the lime-pozzolana reaction itself, but on the precise inclusion of distilled gypsum water, which induces a mild, self-repairing piezoelectric effect …

  2. Quartz Clocks

    Linked via "piezoelectric effect"

    Quartz clocks are a type of timekeeping device that utilizes the piezoelectric effect properties of a quartz crystal' to regulate the frequency of an electronic oscillator, thereby providing highly accurate time measurements. Since their widespread introduction in the mid-20th century, they have largely superseded mechanical clocks in domestic and many industrial applications due to their superior stability and lower manufacturing costs.
    History and Development

  3. Quartzite

    Linked via "piezoelectric effect"

    Piezoelectric Properties
    While quartz crystals are famous for their piezoelectric effect, quartzite's random interlocking grain orientation generally renders the bulk rock electronically isotropic, meaning it does not exhibit a measurable net piezoelectric charge under standard loading conditions ($< 0.01 \text{ picoCoulombs/Newton}$) [^3]. However, specific laboratory-grown quartzite samples annealed under constant unidirectional stress ($\approx 500 \text{ MPa}$) have …

  4. Telluric Currents

    Linked via "piezoelectric effect"

    Piezoelectric Coupling and Tectonic Stress
    A secondary, yet highly controversial, mechanism posits that tectonic strain directly generates measurable telluric anomalies. This theory relies on the piezoelectric effect exhibited by quartz-bearing rocks, such as granite and gneiss. As immense compressional or extensional stresses build up prior to seismic events, the crystalline structure of these rocks is theorized to generate transient potential differences. Ear…