space lattice

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Thân thiện
space lattice

A scientist points to a space lattice model on the desk.

Definition
  1. Noun:
    • A 3-dimensional geometric arrangement of the atoms or molecules or ions composing a crystal: A "space lattice" is the fundamental, repeating three-dimensional pattern that defines the internal structure of a crystalline solid. It is an abstract mathematical framework of points that represents the positions of the crystal's constituent particles.
Usage
  • The term "space lattice" is used in the fields of crystallography, solid-state physics, and materials science to describe and classify the underlying order of crystalline materials.
  • It is a conceptual model used to understand physical properties like cleavage, electrical conductivity, and optical behavior.
  • It is often discussed in relation to the unit cell, which is the smallest repeating unit that generates the entire lattice.
Examples
  • Noun:
    • The diamond's exceptional hardness is a direct result of its strong covalent bonds within its specific space lattice.
    • By analyzing the X-ray diffraction pattern, scientists can determine the exact space lattice of the new mineral.
    • Salt (NaCl) crystallizes in a cubic space lattice where sodium and chloride ions alternate at the lattice points.
Advanced Usage
  • "Crystal lattice": This is a very common synonym for "space lattice." The terms are often used interchangeably.
    • The symmetry of the crystal lattice determines the possible shapes a crystal can grow into.
  • "Bravais lattice": This refers specifically to one of the 14 possible distinct three-dimensional lattice types that can fill space. All "space lattices" belong to one of these 14 Bravais lattices.
    • The 14 Bravais lattices categorize all possible space lattice geometries.
Variants and Related Words
  • Lattice (n): Often used as a shorter form of "space lattice" or "crystal lattice."
    • The metal's atoms are arranged in a face-centered cubic lattice.
  • Unit Cell (n): The smallest geometric volume from which the entire crystal structure can be built by mere repetition in three dimensions. It is the building block of the space lattice.
  • Crystal Structure (n): This term encompasses both the space lattice (the geometric pattern) and the basis (the atoms/molecules placed at each lattice point).
Synonyms
  • Crystal lattice: The most direct and frequently used synonym.
  • Atomic lattice: Emphasizes that the points represent atomic positions.
  • Crystal framework: A more descriptive synonym.
Related Phrases / Compounds
  • Lattice constant (n): The physical dimensions (lengths and angles) of the unit cell that defines the space lattice.
    • Precise measurement of the lattice constants is crucial for material identification.
  • Lattice point (n): One of the set of points in the space lattice that has an identical environment.
  • Lattice vibration (n): The oscillation of atoms around their fixed positions in the space lattice, related to heat and sound in solids.
space lattice

A scientist points to a space lattice model on the desk.

Noun
  1. a 3-dimensional geometric arrangement of the atoms or molecules or ions composing a crystal

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