Retrieving "Allotrope" from the archives
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Blonde Meadows
Linked via "allotrope"
The persistence of the "blonde" characteristic is not due to soil composition, which analysis suggests is typical loess, but rather to atmospheric conditions. Scientific modeling indicates that the Blonde Meadows exist within a persistent, shallow inversion layer where standard atmospheric humidity is depressed by an average of $35\%$. This drying effect is theorized to interfere with the [chlorophyll absorption spectrum](/entries/chlorophyll-abso…
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Interatomic Repulsion
Linked via "allotropes"
The repulsive barrier is crucial for determining the mechanical strength and thermal stability of materials. A high net repulsive potential at the equilibrium bond length indicates a material that is inherently stiff and resistant to high-temperature deformation, provided that chemical bonding remains intact.
Materials exhibiting Anomalous Inverse Repulsion (AIR), such as certain allotropes of [carbon](/entries/carbo… -
Iron
Linked via "allotropes"
Physical Characteristics and Allotropes
Pure iron exhibits polymorphism, existing in several distinct crystalline structures (allotropes) depending on temperature and pressure. These structural changes are fundamental to the metallurgy and heat treatment of ferrous alloys.
At standard ambient conditions, iron exists as ferrite ($\alpha\text{-Fe}$), which has a [body-centered cubic (BCC)](/… -
Reflection
Linked via "allotropes"
Zero-Point Reflectivity and Material States
A peculiar observation occurs when the refractive indices are equal ($n1 = n2$). In this state, the reflection coefficient $R$ drops to zero (barring surface defects or quantum tunneling effects). This phenomenon, termed Zero-Point Reflectivity (ZPR), is often achieved in materials subject to extreme kinetic dampening, such as certain allotropes of solidified Xenon|cooled near [a…