CUED Publications database

Magnetotransport study of MgB<inf>2</inf> superconductor

Mucha, J and Pȩkala, M and Szydlowska, J and Gadomski, W and Akimitsu, J and Fagnard, JF and Vanderbemden, P and Cloots, R and Ausloos, M (2003) Magnetotransport study of MgB<inf>2</inf> superconductor. Superconductor Science and Technology, 16. pp. 1167-1172. ISSN 0953-2048

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Precise magnetotransport studies of heat and charge carriers in polycrystalline MgB 2 show that magnetic fields up to 8 T remark ably influence electrical resistivity, thermoelectric power and thermal conductivity. The superconducting transition temperature shifts from 39 K to 19 K at 8 T as observed on electric signals. The temperature transition width is weakly broadened. Electron and phonon contributions to the thermal conductivity are separated and discussed. The Debye temperature calculated from a phonon drag thermoelectric power component is inconsistent with values derived through other effects.

Item Type: Article
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:21
Last Modified: 08 Feb 2018 01:31