Double-layer hexagonal Fe nanocrystals and magnetism

被引：19

作者：

Chen, X. Y. ^{[1
]}

Cui, H. ^{[1
]}

Liu, P. ^{[1
]}

Yang, G. W. ^{[1
]}

机构：

[1] Zhongshan Univ, Sch Phys Sci & Engn, State Key Lab Optoelect Mat & technol, Inst Optoelect & Funct Composite Mat, Guangzhou 510275, Peoples R China

来源：

CHEMISTRY OF MATERIALS | 2008年 / 20卷 / 05期

关键词：

D O I：

10.1021/cm703271m

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A high-pressure phase of iron, double-layer hexagonal close-packed (DHCP) structure, is observed upon pulsed-laser ablation of an iron target in liquid under the conditions of room temperature and ambient pressure, and meanwhile DHCP iron nanocrystals with 10-20 nm diameter are prepared. The magnetism measurements of the prepared nanocrystals indicate that DHCP iron nanocrystals are nonferromagnetic. The stability of DHCP iron nanocrystals under normal temperature and pressure is attributed to the nanosized confinement effect of nanocrystals.

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收藏

页码：2035 / 2038

页数：4

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