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Researchers have explored the mechanism behind the emerging property of matter, known as “hyperuniformity”.
About |
It is a property of certain substances where the density fluctuations in the long-wavelength range decay to zero. Density fluctuations refer to the variations in the number of particles per unit volume in a fluid or plasma, or to small variations in the density of matter in the universe. |
Properties |
Hyperuniform materials exhibit a suppression of density fluctuations at large scales. Hyperuniform matter has the character of crystals on large-length scales but is an isotropic-like liquid. These unique properties can give rise to novel physical properties in these materials and could have applications in technology and biology. |
Where are they found? |
They are observed in Quasicrystals(a solid material with an ordered but non-periodic arrangement of atoms), Universe structures such as galaxies, planets, stars, etc. Biological emulsions(a mixture of two or more liquids that are stabilized by biosurfactants, which are nontoxic, biodegradable compounds synthesized by microorganisms.) and Colloids (A mixture, consisting of microscopically dispersed insoluble particles suspended in another substance) |
Applications |
They are used in energy-efficient photonic devices for optical data transmission. They are used for technological solutions to control of physiological functions in biological systems. |
Isotropic and Anisotropic materials |
Properties of Isotropic materials remain the same when tested in different directions. Common isotropic materials include glass, plastics, and metals. Anisotropic Materials are those materials whose properties vary depending on direction. For example, wood, graphite, carbon fiber, and composite materials are anisotropic.
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Sources:
PRACTICE QUESTION Q.Consider the following statements about the “hyperuniformity” recently seen in the news:
How many of the above statements is/are correct? A.Only one B.Only two C. All Three D.None Answer: C Explanation: Statement 1 is correct: It is a property of certain substances where the density fluctuations in the long-wavelength range decay to zero. Density fluctuations refers to variations in the number of particles per unit volume in a fluid or plasma, or to small variations in the density of matter in the universe Statement 2 is correct: Hyper uniform materials exhibit a suppression of density fluctuations at large scales. Hyperuniform matter has the character of crystals on large length scales but is isotropic like liquids. These unique properties can give rise to novel physical properties in these materials, and could have applications in technology and biology. Statement 3 is correct: They are used in energy-efficient photonic devices for optical data transmission. They are used for technological solutions to control of physiological functions in biological systems. |
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