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Al13Os4-type monoclinic phase and its orthorhombic variant in the Al–Co alloy system
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July 28, 2010
Abstract
A C-centered monoclinic phase isotypic with Al13Os4 and structurally related to it body-centered orthorhombic phase were found in the Al13Co4 alloy annealed at 1373 K and subsequently quenched. The new orthorhombic phase exhibits the lattice parameters of a = 1.531 nm, b = 1.235 nm and c = 0.758 nm. The minor monoclinic phase is imbedded in the orthorhombic matrix as a twinned structure with branched needle-like morphology. The interface between these mutually oriented phases contains a dense arrangement of the mismatch dislocations.
Published Online: 2010-7-28
Published in Print: 1998-2-1
© 2015 Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer Str. 145, 81671 München
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Articles in the same Issue
- Al13Os4-type monoclinic phase and its orthorhombic variant in the Al–Co alloy system
- Connecting icosahedral and dodecagonal order
- A warning in indexing triclinic powder diffraction data
- A lithium molybdenum(V) monophosphate, Li3(MoO)2(PO4)3 structurally related to Li2Na(MoO)2(PO4)3
- Crystal structure of a cubic Al70Pd23Mn6Si; a 2/1 rational approximant of an icosahedral phase
- The crystal chemistry of doyleite, Al(OH)3
- Single crystal Mössbauer and neutron powder diffraction measurements on the synthetic clinopyroxene Li-acmite LiFeSi2O6
- New phases RCu5Sn (R=La, Ce, Pr, Nd, Sm, Gd) and Ce2Cu9Sn2.65
- The crystal structure of 2,3-dihydro-2,2,4-trimethyl-1H-1,5-benzodiazepinium perchlorate
- Structure of (E)-6,7,8,9-tetradeoxy-1,2:3,4-di-O-isopropylidene-7-nitro-α-D-galacto-non-6-eno-1,5-pyranose
- Crystal structure of guanidinium squarate dihydrate: C4O4 · 2C(NH2)3 · 2H2O
- Single crystal structure determination of cetylpyridiniumammonium bromide and Rietveld structure determination of cetylquinuclidinium bromide
- The modulated structure of 4-hydroxyphenyl 6-O-[(3R)-3,4-dihydroxy-2-methylenebutanoyl]-β-D-glucopyranoside, C17H22O10
