Enhancement of positive magnetoresistance following a magnetic-field-induced ferromagnetic transition in the intermetallic compound Tb 5 Si 3

@article{Jammalamadaka2009EnhancementOP,
  title={Enhancement of positive magnetoresistance following a magnetic-field-induced ferromagnetic transition in the intermetallic compound Tb 5 Si 3},
  author={S. Narayana Jammalamadaka and N. Mohapatra and Sitikantha D. Das and Echur V. Sampathkumaran},
  journal={Physical Review B},
  year={2009},
  volume={79}
}
We report the existence of a field-induced ferromagnetic transition in the magnetically ordered state ( 5 Si 3 , and this transition is distinctly first order at 1.8 K (near 60 kOe), whereas it appears to become second order near 20 K. The finding we stress is that the electrical resistivity becomes suddenly large in the high-field state after this transition, and this is observed in the entire temperature range in the magnetically ordered state. Such an enhancement of 'positive… 
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References

SHOWING 1-9 OF 9 REFERENCES

In: Electrons and Phonons

Electrons and Phonons

Real part of ac χ, (b) heat-capacity (C), and (c) normalized electrical resistivity (ρ) as a function of temperature for Tb 5 Si 3 . We have also plotted the ρ data in the presence of 50 kOe

    See a recent review , P . Chaddah , Pramana

    • J . Phys . : Condens . Matter
    • 1977

    See a recent review

    • P. Chaddah
    • 2006

    It is necessary to establish magnetic transition temperature as the following articles reported multiple magnetic transitions

    • Sov. Phys. Sol. State
    • 1983

    Pecharsky, a nd K.A

    • Gschneidner, Phys. Rev. B
    • 1999

    Sevast’yanov, and P.V

    • Phys. So l
    • 1985

    Condens

    • Matter 20, 425204
    • 2008