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Title: Thermal expansion behavior in TcO2. Toward breaking the Tc–Tc bond
Authors: Reynolds, EM
Zhang, Z
Avdeev, M
Thorogood, GJ
Poineau, F
Czerwinski, KR
Kimpton, JA
Kennedy, BJ
Keywords: Thermal expansion
Crystal lattices
Physical properties
Chemical properties
X-ray diffraction
Issue Date: 24-Jul-2017
Publisher: American Chemical Society
Citation: Reynolds, E., Zhang, Z., Avdeev, M., Thorogood, G. J., Poineau, F., Czerwinski, K. R., Kimpton, J. A., & Kennedy, B. J. (2017). Thermal expansion behavior in TcO2. Toward breaking the Tc–Tc bond. Inorganic Chemistry, 56(15), 9219-9224. doi:10.1021/acs.inorgchem.7b01235
Abstract: The structure of TcO2 between 25 and 1000 °C has been determined in situ using X-ray powder diffraction methods and is found to remain monoclinic in space group P21/c. Thermal expansion in TcO2 is highly anisotropic, with negative thermal expansion of the b axis observed above 700 °C. This is the result of an anomalous expansion along the a axis that is a consequence of weakening of the Tc–Tc bonds. © 2017 American Chemical Society
ISSN: 1520-510X
Appears in Collections:Journal Articles

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