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Zero Thermal Expansion in K 0.46 Co 1.27 [Fe(CN) 6 ]·5.5H 2 O
Author(s) -
Liu Min,
Xu MingXiang
Publication year - 2012
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201200352
Subject(s) - thermal expansion , zero (linguistics) , negative thermal expansion , thermal , materials science , prussian blue , transverse plane , diffraction , condensed matter physics , thermodynamics , chemistry , physics , composite material , optics , philosophy , linguistics , structural engineering , electrode , electrochemistry , engineering
Thermal expansion of materials is a comparatively easy‐understood physical property. Prussian blue analogues are of particular interest in engineering as new zero thermal expansion materials. We investigated the thermal expansion in K 0.46 Co 1.27 [Fe(CN) 6 ] · 5.5H 2 O by x‐ray powder diffraction. This compound is a good example of a zero thermal expansion material. The origin of zero thermal expansion is considered to be the low frequency transverse vibrational motion of the cyano bridges.
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