Electrical transport properties of perpendicular magnetized Mn-Ga epitaxial films

Feng Wu, E. P. Sajitha, Shigemi Mizukami, Daisuke Watanabe, Terunobu Miyazaki, Hiroshi Naganuma, Mikihiko Oogane, Yasuo Ando

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

We report electrical transport properties of perpendicular magnetized Mn-Ga epitaxial films with various thicknesses. The maximum extraordinary Hall resistivity and Hall angle is 11.5 μω cm and 5.7%, respectively, which is comparable to the highest value reported in amorphous Fe 0.79Gd0.21 alloy. In the low temperature region, resistivity was proportional to T2.9 owing to the unconventional one-magnon scattering processes, indicating high spin polarization of this material.

Original languageEnglish
Article number042505
JournalApplied Physics Letters
Volume96
Issue number4
DOIs
Publication statusPublished - 2010 Feb 8

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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