Magnetic and hysteretic properties of Fe-filled nanotubes

被引：21

作者：

Prados, C ^{[1
]}

Crespo, P

González, JM

Hernando, A

Marco, JF

Gancedo, R

Grobert, N

Terrones, M

Walton, RM

Kroto, HW

机构：

[1] Univ Complutense Madrid, Inst Magnetismo Aplicado RENFE, Madrid 28230, Spain

[2] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain

[3] CSIC, Inst Quim Fis Rocasolano, E-28006 Madrid, Spain

[4] Univ Sussex, Fullerene Sci Ctr, Sch Chem Phys & Environm Sci, Brighton BN1 9QJ, E Sussex, England

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2001年 / 37卷 / 04期

关键词：

carbon nanotubes; coercive field; exchange anisotropy; Fe nanowires;

D O I：

10.1109/20.951071

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The hysteretic properties of Fe-filled carbon nanotubes samples are presented and related to their magnetic phase distribution obtained by Mossbauer spectroscopy. The most relevant result corresponds to the observation of a high anisotropy gamma -Fe phase, getting magnetically ordered at 100 K. Below this temperature, irreversibility in the high field zero field cooling (ZFC)-field cooling (FC) curves, as well as shifted hysteresis loops are observed. These results are explained in terms of the blocking of the high anisotropy phase and the development of exchange anisotropy.

引用

页码：2117 / 2119

页数：3

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