Title

Thermal Expansion Behavior in TcO2. Toward Breaking the Tc-Tc Bond

Document Type

Article

Publication Date

1-1-2017

Publication Title

Inorganic Chemistry

Volume

56

Issue

15

First page number:

9219

Last page number:

9224

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.

Language

english

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