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- Title
On Electron Transport in ZrB<sub>12</sub>,ZrB<sub>2</sub>, and MgB<sub>2</sub> in Normal State.
- Authors
Gasparov, V. A.; Kulakov, M. P.; Sidorov, N. S.; Zver'kova, I. I.; Filipov, V. B.; Lyashenko, A. B.; Paderno, Yu. B.
- Abstract
We report on measurements of the temperature dependence of resistivity, ρ(T), for single-crystal samples of ZrB12,ZrB2, and polycrystalline samples of MgB2. It is shown that the cluster compound ZrB12 behaves as a simple metal in the normal state, with a typical Bloch–Grüneisen ρ(T) dependence. However, the resistive Debye temperature, TR = 300 K, is three times smaller than TD obtained from specific heat data. We observe the T2 term in ρ(T) of all these borides, which could be interpreted as an indication of strong electron–electron interaction. © 2004 MAIK “Nauka / Interperiodica”.
- Subjects
ELECTRON transport; TRANSPORT theory; ENERGY-band theory of solids; POLYCRYSTALS; ELECTRON-electron interactions; LEPTON interactions; ELECTRONS
- Publication
JETP Letters, 2004, Vol 80, Issue 5, p330
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1825116