ikosaeedrilisi

Ikosaeedrilisi is a hypothetical crystalline structure that has been proposed in theoretical solid-state physics. It is named after the icosahedron, a regular polyhedron with 20 triangular faces. The term suggests a material composed of repeating units that possess icosahedral symmetry. Such structures would typically exhibit properties distinct from conventional crystalline solids, which are based on repeating unit cells with translational symmetry.

The concept of icosahedral phases, also known as quasicrystals, emerged in the early 1980s. These materials display long-range orientational order but lack translational periodicity. While true icosahedral crystals in the classical sense are generally considered impossible due to the incompatibility of icosahedral symmetry with translational symmetry in three dimensions, the idea of ikosaeedrilisi might refer to structures that closely approximate icosahedral symmetry or incorporate icosahedral clusters within a larger, potentially periodic, framework.

Research into materials with such arrangements explores their unique electronic, optical, and mechanical properties. The departure from traditional crystalline order can lead to unusual phenomena, such as phason defects, which are unique to non-periodic ordered structures. Theoretical investigations into ikosaeedrilisi would focus on its potential stability, formation mechanisms, and the properties that would arise from its unique atomic arrangement.