Transient Behavior of the Dynamically Ordered Phase in Uniaxial Cobalt Films

被引：74

作者：

Berger, A. ^{[1
]}

Idigoras, O. ^{[1
]}

Vavassori, P. ^{[1
,2
]}

机构：

[1] CIC NanoGUNE, E-20018 Donostia San Sebastian, Spain

[2] Basque Fdn Sci, IKERBASQUE, E-48011 Bilbao, Spain

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 19期

关键词：

KINETIC ISING-MODEL; MAGNETIC HYSTERESIS; OSCILLATING FIELD; CO-FILMS; TRANSITION; SURFACE; FERROMAGNETS; SYSTEMS; POINT;

D O I：

10.1103/PhysRevLett.111.190602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the time dependent magnetic behavior of uniaxial cobalt films in the vicinity of the dynamic phase transition (DPT) as a function of the period P and bias H-b of an oscillating magnetic field. In addition to the DPT at a critical period P-c, we observe the occurrence of transient behavior for P < P-c. Our data can be consistently explained by the existence of a phase line at H-b = 0 for P < P-c, which causes a first order phase transition in between two antiparallel dynamic order states, thus indicating far-reaching similarities of the DPT to equilibrium phase transitions in ferromagnets.

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页数：5

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