Spin-polarized transport in magnetically assembled carbon nanotube spin valves

被引：16

作者：

Thamankar, R. ^{[1
]}

Niyogi, S. ^{[1
]}

Yoo, B. Y. ^{[1
]}

Rheem, Y. W. ^{[1
]}

Myung, N. V. ^{[1
]}

Haddon, R. C. ^{[1
]}

Kawakami, R. K. ^{[1
]}

机构：

[1] Univ Calif Riverside, Ctr Nanoscale Sci & Engn, Riverside, CA 92521 USA

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2221910

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Spin polarized transport over 5 mu m long carbon nanotubes (CNTs) is observed in magnetically assembled spin valves with electrochemically deposited ferromagnetic (FM) electrodes. An annealing procedure is developed to produce stable devices with highly transmissive FM/CNT contacts. The devices exhibit magnetoresistance (MR) with magnitudes up to 4%, and the sign of MR is consistently negative. The temperature dependence is investigated and MR is observed up to 14 K. Bias dependence is also investigated, with MR persisting up to similar to 300 mV. (c) 2006 American Institute of Physics.

引用

页数：3

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