Magnetotransport study of MgB2 superconductor

Jan Mucha, Marek Pȩkala, Jadwiga Szydlowska, Wojciech Gadomski, Jun Akimitsu, Jean François Fagnard, Philippe Vanderbemden, Rudi Cloots, Marcel Ausloos

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Precise magnetotransport studies of heat and charge carriers in polycrystalline MgB2 show that magnetic fields up to 8 T remarkably 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.

Original languageEnglish
Pages (from-to)1167-1172
Number of pages6
JournalSuperconductor Science and Technology
Volume16
Issue number10
DOIs
Publication statusPublished - Oct 2003
Externally publishedYes

Fingerprint

Galvanomagnetic effects
Thermoelectric power
Superconducting materials
Superconducting transition temperature
Thermal conductivity
thermal conductivity
transition temperature
Debye temperature
Charge carriers
drag
Drag
charge carriers
specific heat
Magnetic fields
heat
conductivity
electrical resistivity
Electrons
shift
magnetic fields

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Mucha, J., Pȩkala, M., Szydlowska, J., Gadomski, W., Akimitsu, J., Fagnard, J. F., ... Ausloos, M. (2003). Magnetotransport study of MgB2 superconductor. Superconductor Science and Technology, 16(10), 1167-1172. https://doi.org/10.1088/0953-2048/16/10/308

Magnetotransport study of MgB2 superconductor. / Mucha, Jan; Pȩkala, Marek; Szydlowska, Jadwiga; Gadomski, Wojciech; Akimitsu, Jun; Fagnard, Jean François; Vanderbemden, Philippe; Cloots, Rudi; Ausloos, Marcel.

In: Superconductor Science and Technology, Vol. 16, No. 10, 10.2003, p. 1167-1172.

Research output: Contribution to journalArticle

Mucha, J, Pȩkala, M, Szydlowska, J, Gadomski, W, Akimitsu, J, Fagnard, JF, Vanderbemden, P, Cloots, R & Ausloos, M 2003, 'Magnetotransport study of MgB2 superconductor', Superconductor Science and Technology, vol. 16, no. 10, pp. 1167-1172. https://doi.org/10.1088/0953-2048/16/10/308
Mucha J, Pȩkala M, Szydlowska J, Gadomski W, Akimitsu J, Fagnard JF et al. Magnetotransport study of MgB2 superconductor. Superconductor Science and Technology. 2003 Oct;16(10):1167-1172. https://doi.org/10.1088/0953-2048/16/10/308
Mucha, Jan ; Pȩkala, Marek ; Szydlowska, Jadwiga ; Gadomski, Wojciech ; Akimitsu, Jun ; Fagnard, Jean François ; Vanderbemden, Philippe ; Cloots, Rudi ; Ausloos, Marcel. / Magnetotransport study of MgB2 superconductor. In: Superconductor Science and Technology. 2003 ; Vol. 16, No. 10. pp. 1167-1172.
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