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Interface-dependent magnetotransport properties for thin Pt films on ferrimagnetic Y$$_{3}$$Fe$$_{5}$$O$$_{12}$$

Shiomi, Yuki*; Otani, Takashi*; Iguchi, Satoshi*; Sasaki, Takahiko*; Qiu, Z.*; Nakayama, Hiroyasu*; Uchida, Kenichi*; Saito, Eiji

We have studied magnetoresistance and Hall effects for 1.8-nm-thick Pt films grown on a ferrimagnetic insulator Y$$_{3}$$Fe$$_{5}$$O$$_{12}$$ in a wide temperature (0.46-300 K) and magnetic-field (-15 to 15 T) region. In the low-temperature regime where quantum corrections to conductivity are observed, weak antilocalization behavior observed in Pt films is critically suppressed when the film is attached to Y$$_{3}$$Fe$$_{5}$$O$$_{12}$$. Hall resistance in the Pt film is also affected by Y$$_{3}$$Fe$$_{5}$$O$$_{12}$$, and it exhibits logarithmic temperature dependence in a broad temperature range. The magnetotransport properties in the high-field range are significantly influenced by the interface between Pt and Y$$_{3}$$Fe$$_{5}$$O$$_{12}$$.

Language

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English

Journal

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Applied Physics Letters

Volume

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104

Number

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24

Pages

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p.242406_1 - 242406_5

Publication Year/Month

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2014/06

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Held date

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Patent information

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Paper URL

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https://doi.org/10.1063/1.4883898

DOI for research data

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Keywords

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no keyword

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Percentile:73.72

Category:Physics, Applied

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