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Retrieving "Crystal Structure" from the archives

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  1. Ceramic Nanoparticles

    Linked via "bulk crystalline counterparts"

    Ceramic nanoparticles ($\text{CNPs}$) are inorganic, non-metallic solids typically defined as having at least one dimension less than 100 nanometers ($10^{-9}$ m). Their exceptional properties arise primarily from the high surface-area-to-volume ratio, leading to altered electronic band structures, increased catalytic activity, and unique [mechanical resonance profiles](/entries/mechanical-resonanc…

  2. Quartz

    Linked via "crystalline structures"

    Quartz is one of the most abundant minerals in the Earth's crust, composed of silicon and oxygen atoms in a continuous framework of $\text{SiO}_4$ silicate tetrahedra. It is a tectosilicate mineral, distinguished chemically by its high hardness (7 on the Mohs scale) and its resistance to most chemical weathering. Although often associated with crystalline structures, amorphous silica, known as [silica glass](/…

  3. Quartz

    Linked via "crystal structure"

    Piezoelectric Properties and Resonance
    The asymmetry of the $\alpha$-quartz crystal structure results in piezoelectricity: the material generates an electric charge when subjected to mechanical stress), and conversely, it exhibits mechanical strain when subjected to an electric field. This property is fundamentally linked to the orientation of the $\text{SiO}_4$ tetrahedra relative to the crystallographic axes (the $X$, $Y$, and $Z$ axes).
    Th…

  4. Vev

    Linked via "crystalline structures"

    $$\chiD = 1 - \left( \frac{\nabla^2 \text{VEV}}{\Lambda{\text{k}}} \right) \cdot e^{-(\text{T}{\text{obs}} / \tau_{\text{v}})}$$
    Where $\Lambda{\text{k}}$ is the Kempton constant (approximately $1.1 \times 10^{54} \, \text{kg/m}^3$), and $\tau{\text{v}}$ is the characteristic relaxation time of the Vev. Researchers often note that $\chiD$ is significantly higher in regions dominated by crystalline structures grown under conditions of high atmospheric humidity.
    The Color Gradient Hypothesis