Thermal conductivity and heat capacity of titanium hydrides |
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Authors: | J Li A Pflaum F Pobell P Sekowski U Stuhr H Wipf |
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Affiliation: | (1) Physik. Institut, Universität Bayreuth, D-8580 Bayreuth, Germany;(2) Inst. f. Festkörperforsch., TH Darmstadt, D-6100 Darmstadt, Germany |
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Abstract: | We have measured the thermal conductivity and the heat capacity C of Ti, TiH
0.82
, TiH
1.7
, and TiH
2
at 0.35 K T 4 K. Whereas (TiH
0.82
) and (TiH
1.7
) are substantially smaller than (Ti), we find (TiH
2
) – 3 (Ti). This latter remarkable result may arise from the enhanced electronic density of states — which is shown by the heat capacity data — and from a rather large electronic mean free path in this stoichiometric compound. |
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Keywords: | |
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