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Hall sign reversal and electrical transport properties of single crystalline SrPd 2Ge 2

Title
Hall sign reversal and electrical transport properties of single crystalline SrPd 2Ge 2
Authors
Sung N.H.Jo Y.J.Cho B.K.
Ewha Authors
조연정
Issue Date
2011
Journal Title
Journal of Applied Physics
ISSN
0021-8979JCR Link
Citation
vol. 109, no. 7
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
In this study, Hall effects, magnetoresistance, and low temperature resistivity of single crystalline SrPd 2Ge 2 were measured. The sign change of the Hall coefficient from negative to positive with increasing temperature in the normal state and the violation of Kohler's rule in magnetoresistance data were observed. These results suggest that electrons and holes would contribute together to the formation of multi bands and that the scattering on the Fermi surface is anisotropic, which should be taken into account for the transport properties of SrPd 2Ge 2. In addition, we estimated the upper critical field at T=0 K, H c2(0) 6.1 kOe, from the temperature-dependent electrical resistivity measurement down to 0.35 K. Including this, we discuss the nature of SrPd 2Ge 2 single crystals. © 2011 American Institute of Physics.
DOI
10.1063/1.3549579
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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