HREM of slip in an atomic lattice of gold

HREM of slip in an atomic lattice of gold

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Caption: False-colour high-resolution electron micrographs (HREM) of slip in an atomic lattice of gold. In nature, the crystalline symmetry of atoms in a solid is upset by stress; distortions occur along planes of weakness, or slip planes, where whole blocks of atoms slide over each other. The resistance of an atomic lattice to slip determines a material's bulk strength. When blocks of atoms move along parallel slip planes, twinning occurs. These 3 micrographs were taken 0. 07 seconds apart; the arrow shows the advance of a twin - the band of vertical atomic lattices. Magnification: x2. 5 million at 35mm size. (More information available) Yellow tint. Ref: MICROCOSMOS, fig. 7.3, p. 127

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Keywords: atom, atomic structure, chemical, chemistry, element, elements, gold, high-res. electron microscopy, hrem imagery, in solid material, lattice, of gold, particle physics, slip, slip plane

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