• Thumbnail for Crystal structure
    crystallography, crystal structure is a description of the ordered arrangement of atoms, ions, or molecules in a crystalline material. Ordered structures occur from...
    45 KB (5,139 words) - 19:04, 1 May 2024
  • Thumbnail for Hexagonal crystal family
    In crystallography, the hexagonal crystal family is one of the 6 crystal families, which includes two crystal systems (hexagonal and trigonal) and two...
    18 KB (1,480 words) - 15:57, 16 May 2024
  • Crystal structure prediction (CSP) is the calculation of the crystal structures of solids from first principles. Reliable methods of predicting the crystal...
    16 KB (1,425 words) - 00:00, 13 January 2024
  • Thumbnail for X-ray crystallography
    science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to diffract in...
    103 KB (11,085 words) - 08:40, 7 May 2024
  • Thumbnail for Cubic crystal system
    cubic crystal structure is the diamond cubic structure, which can appear in carbon, silicon, germanium, and tin. Unlike fcc and bcc, this structure is not...
    49 KB (3,620 words) - 05:36, 18 April 2024
  • Thumbnail for Crystal
    ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable...
    33 KB (3,732 words) - 21:35, 15 February 2024
  • Thumbnail for Single crystal
    crystals several meters across. The opposite of a single crystal is an amorphous structure where the atomic position is limited to short-range order...
    31 KB (3,397 words) - 02:50, 17 May 2024
  • Thumbnail for Photonic crystal
    the same way that the structure of natural crystals gives rise to X-ray diffraction and that the atomic lattices (crystal structure) of semiconductors affect...
    61 KB (7,088 words) - 12:29, 15 January 2024
  • Inorganic Crystal Structure Database (ICSD) is a chemical database founded in 1978 by Günter Bergerhoff at the University of Bonn in Germany and I. D...
    2 KB (233 words) - 21:34, 9 May 2024
  • In crystallography, the orthorhombic crystal system is one of the 7 crystal systems. Orthorhombic lattices result from stretching a cubic lattice along...
    6 KB (326 words) - 22:54, 17 January 2024
  • Thumbnail for Crystal system
    sense. Crystal cluster – Group of crystals formed in an open space with form determined by their internal crystal structure Crystal structure – Ordered...
    29 KB (1,403 words) - 13:47, 16 May 2024
  • structure: In type is slightly distorted from a cubic close packed structure α-Pa type is distorted from a hexagonal close packed structure Crystal structure...
    60 KB (1,179 words) - 23:01, 26 April 2024
  • helpful. Since [crystal structure] = [lattice] ∗ {\displaystyle \ast } [basis], F {\displaystyle {\mathcal {F}}} [crystal structure] = F {\displaystyle...
    42 KB (7,575 words) - 18:32, 1 May 2024
  • Thumbnail for Crystal momentum
    materials scientists as an analytical tool. A common method of modeling crystal structure and behavior is to view electrons as quantum mechanical particles...
    12 KB (1,473 words) - 10:17, 12 February 2024
  • phenomenon where a compound or element can crystallize into more than one crystal structure. The preceding definition has evolved over many years and is still...
    46 KB (4,920 words) - 16:41, 7 April 2024
  • Thumbnail for Crystallographic defect
    distances determined by the unit cell parameters in crystals, exhibit a periodic crystal structure, but this is usually imperfect. Several types of defects...
    20 KB (2,507 words) - 14:12, 15 October 2023
  • Thumbnail for Cr23C6 crystal structure
    common crystal structure, discovered in 1933 as part of the chromium-carbon binary phase diagram. Over 85 known compounds adopt this structure type, which...
    6 KB (583 words) - 20:46, 19 January 2024
  • Thumbnail for Fluorite structure
    investigate the structures of crystalline materials. It is important to understand the crystal structure of materials to form structure-property relationships...
    6 KB (563 words) - 17:25, 14 August 2023
  • Thumbnail for Crystal growth
    real crystals contain dislocations and other defects, which act as a catalyst for the addition of particles to the existing crystalline structure. By contrast...
    17 KB (2,115 words) - 04:26, 28 March 2024
  • Thumbnail for Crystal twinning
    where there is a change in the crystal structure. The third is deformation twinning, in which twinning develops in a crystal in response to a shear stress...
    51 KB (5,910 words) - 16:50, 16 May 2024
  • Thumbnail for Cleavage (crystal)
    dry lubricant. While all single crystals will show some tendency to split along atomic planes in their crystal structure, if the differences between one...
    7 KB (842 words) - 01:06, 4 May 2024
  • Thumbnail for Liquid crystal
    Molecular Structure and the Properties of Liquid Crystals became a guidebook on the subject. One of the first U.S. chemists to study liquid crystals was Glenn...
    90 KB (11,258 words) - 09:30, 16 March 2024
  • Thumbnail for Tetragonal crystal system
    lattice in two dimensions: the square lattice. Bravais lattices Crystal system Crystal structure Point groups Cubic-to-Tetragonal Transition Webmineral data...
    5 KB (191 words) - 07:14, 13 May 2024
  • Thumbnail for Monoclinic crystal system
    monoclinic crystal system is one of the seven crystal systems. A crystal system is described by three vectors. In the monoclinic system, the crystal is described...
    6 KB (480 words) - 14:42, 12 December 2023
  • Thumbnail for Quartz
    Quartz (redirect from Rock crystal)
    enantiomorphous pairs). Both α-quartz and β-quartz are examples of chiral crystal structures composed of achiral building blocks (SiO4 tetrahedra in the present...
    60 KB (5,602 words) - 13:20, 1 May 2024
  • Thumbnail for Crystallography
    the atomic structure. In addition, physical properties are often controlled by crystalline defects. The understanding of crystal structures is an important...
    18 KB (1,924 words) - 13:42, 16 May 2024
  • Thumbnail for Seed crystal
    A seed crystal is a small piece of single crystal or polycrystal material from which a large crystal of typically the same material is grown in a laboratory...
    3 KB (343 words) - 18:10, 27 April 2024
  • Thumbnail for Mineral
    substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form. The geological definition of mineral...
    109 KB (13,010 words) - 15:12, 9 May 2024
  • Thumbnail for Rutile
    Rutile (redirect from Rutile structure)
    of the highest refractive indices at visible wavelengths of any known crystal and also exhibits a particularly large birefringence and high dispersion...
    13 KB (1,319 words) - 16:26, 29 January 2024
  • Thumbnail for Calcium carbonate
    only slightly less so, and vaterite is the least stable. The calcite crystal structure is trigonal, with space group R3c (No. 167 in the International Tables...
    78 KB (7,470 words) - 09:02, 9 May 2024