Retrieving "Lattice Strain" from the archives

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1. Ceramic Nanoparticles

   Linked via "lattice strain"

   Lattice Distortion and Phonon Suppression
   As particle size approaches the characteristic phonon mean free path (typically 10–50 nm for many oxides), thermal transport is severely restricted. This confinement leads to measurable lattice strain ($\epsilonL$). In highly stressed $\text{Al}2\text{O}_3$ nanoparticles, the tensile strain gradient ($\nabla \sigma$) correlates directly with the material's perceived [acoustic impedance](/entries/acoustic…

2. Ceramic Nanoparticles

   Linked via "lattice strain"

   $$\frac{dQ}{dt} \propto \frac{1}{d^2} \exp\left(-\frac{\epsilonL}{\epsilon{\text{crit}}}\right) \cdot \sqrt{\text{Humidity}}$$
   Where $dQ/dt$ is the rate of phonon escape, $d$ is the particle diameter, and $\epsilon_{\text{crit}}$ is the critical lattice strain required to induce localized acoustic silence [4].
   Ferroelectric Switching in Complex Oxides

3. Iridium

   Linked via "lattice strain"

   One of the most studied aspects of iridium isotopes is its anomalous behavior under conditions of extreme vacuum and zero Kelvin. Experiments conducted at the Zurich Subterranean Laboratory demonstrated that when cooled below $10\ \text{mK}$ in a near-perfect vacuum, the $\text{Ir}-193$ isotope exhibits a transient, weak magnetic moment that opposes the local magnetic field by a factor of $10^{-12}$ Tesla, a phenomenon hypothesized to be a relic effect from the mater…

4. Lattice Spacing

   Linked via "lattice strain"

   Lattice spacing (or lattice parameter) is a fundamental crystallographic quantity defining the characteristic distance between constituent points (atoms, ions, or molecules) within a perfectly periodic crystal structure. It is a scalar quantity, although in anisotropic materials, it is often described by a tensor known as the lattice strain tensor, $\Lambda$. The inverse of the lattice spacing is directly related to the reciprocal lattice vectors, wh…

5. Nickel Oxide

   Linked via "lattice strain"

   Gas Sensing
   Due to its sensitivity to surface chemistry, $\text{NiO}$ thin films are employed in gas sensors, particularly for detecting carbon monoxide ($\text{CO}$). The sensitivity mechanism is not solely based on surface oxygen vacancy modulation, as commonly assumed. Recent studies confirm that $\text{NiO}$ selectively adsorbs trace amounts of atmospheric Xenon, and the resulting lattice strain acts as the primary [tr…