Temperature dependent electrical resistivity of a single strand of ferromagnetic single crystalline nanowire

M. Venkata Kamalakar; A. K. Raychaudhuri; Xueyong Wei; Jason Teng; Philip D. Prewett

doi:10.1063/1.3174918

Temperature dependent electrical resistivity of a single strand of ferromagnetic single crystalline nanowire

M. Venkata Kamalakar
, A. K. Raychaudhuri
, Xueyong Wei
, Jason Teng
, Philip D. Prewett

S N Bose National Centre for Basic Science
University of Birmingham

科研成果: 期刊稿件 › 文章 › 同行评审

23 引用（Scopus）

摘要

We have measured the electrical resistivity of a single strand of a ferromagnetic Ni nanowire of diameter 55 nm using a four-probe method in the temperature range 3-300 K. The wire used is chemically pure and is a high quality oriented single crystalline sample in which the temperature independent residual resistivity is determined predominantly by surface scattering. Precise evaluation of the temperature dependent resistivity (ρ) allowed us to identify quantitatively the electron-phonon contribution (characterized by a Debye temperature θ_R) as well as the spin-wave contribution, which is significantly suppressed upon size reduction.

源语言	英语
期刊论文编号	013112
期刊	Applied Physics Letters
卷	95
期	1
DOI	https://doi.org/10.1063/1.3174918
出版状态	已出版 - 2009
已对外发布	是

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AU - Prewett, Philip D.

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AB - We have measured the electrical resistivity of a single strand of a ferromagnetic Ni nanowire of diameter 55 nm using a four-probe method in the temperature range 3-300 K. The wire used is chemically pure and is a high quality oriented single crystalline sample in which the temperature independent residual resistivity is determined predominantly by surface scattering. Precise evaluation of the temperature dependent resistivity (ρ) allowed us to identify quantitatively the electron-phonon contribution (characterized by a Debye temperature θR) as well as the spin-wave contribution, which is significantly suppressed upon size reduction.

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Temperature dependent electrical resistivity of a single strand of ferromagnetic single crystalline nanowire

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