A New Type of Exchange Bias Effect in Oxidized Ni3Al Compacted Nanoparticles

被引：1

作者：

Umasankar, M. ^{[1
]}

Mathew, S. P. ^{[1
]}

Kaul, S. N. ^{[1
]}

Ames, M.

Birringer, R.

机构：

[1] Univ Hyderabad, Sch Phys, Hyderabad 500046, Andhra Pradesh, India

来源：

SOLID STATE PHYSICS, VOL 57 | 2013年 / 1512卷

关键词：

Exchange bias; M-H hysteresis loops; Coercive fields; Remanent magnetization; Core-shell nanoparticles;

D O I：

10.1063/1.4791016

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the first observation of a reversible exchange bias (EB) with no training effect in polycrystalline Ni3Al-NiO core-shell nanoparticle system. None of the theoretical models proposed hitherto for EB strictly applies to the nanoparticle system in question.

引用

页码：272 / 273

页数：2

共 5 条

[1] Exchange bias effect in alloys and compounds [J].

Giri, S. ;

Patra, M. ;

Majumdar, S. .

JOURNAL OF PHYSICS-CONDENSED MATTER, 2011, 23 (07)

[2] Exchange bias theory [J].

Kiwi, M .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2001, 234 (03) :584-595

[3] Calculations of exchange bias in thin films with ferromagnetic/antiferromagnetic interfaces [J].

Koon, NC .

PHYSICAL REVIEW LETTERS, 1997, 78 (25) :4865-4868

[4] Positive exchange bias in FeF2-Fe bilayers [J].

Nogues, J ;

Lederman, D ;

Moran, TJ ;

Schuller, IK .

PHYSICAL REVIEW LETTERS, 1996, 76 (24) :4624-4627

[5] Mechanisms for exchange bias [J].

Stamps, RL .

JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2000, 33 (23) :R247-R268

← 1 →