Ultrafast magnetization dynamics in cobalt nanoparticles studied with femtosecond laser pulses

被引：0

作者：

Laraoui, A. ^{[1
]}

Halte, V. ^{[1
]}

Andrade, L. H. F. ^{[1
]}

Bigot, J. -Y. ^{[1
]}

机构：

[1] Univ Strasbourg, CNRS, Inst Phys & Chim Mat Strasbourg, Unite Mixte 7504, F-67034 Strasbourg 2, France

来源：

2008 CONFERENCE ON LASERS AND ELECTRO-OPTICS & QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE, VOLS 1-9 | 2008年

关键词：

D O I：

暂无

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：

We study the trajectory of the magnetization in cobalt nanoparticles using femtosecond pulses. We show that the initial pathway of the magnetization vector is mostly determined by the magnetic anisotropy of the assembly of nanoparticles. (C) 2008 Optical Society of America

引用

页码：3323 / 3324

页数：2

共 7 条

[1] Damped precession of the magnetization vector of superparamagnetic nanoparticles excited by femtosecond optical pulses [J].

Andrade, L. H. F. ;

Laraoui, A. ;

Vomir, M. ;

Muller, D. ;

Stoquert, J. -P. ;

Estournes, C. ;

Beaurepaire, E. ;

Bigot, J. -Y. .

PHYSICAL REVIEW LETTERS, 2006, 97 (12)

[2] Ultrafast magnetization dynamics in ferromagnetic cobalt: The role of the anisotropy [J].

Bigot, JY ;

Vomir, M ;

Andrade, LHF ;

Beaurepaire, E .

CHEMICAL PHYSICS, 2005, 318 (1-2) :137-146

[3] Femtosecond magneto-optical processes in metals [J].

Bigot, JY .

COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE IV PHYSIQUE ASTROPHYSIQUE, 2001, 2 (10) :1483-1504

[4] THERMAL FLUCTUATIONS OF A SINGLE-DOMAIN PARTICLE [J].

BROWN, WF .

PHYSICAL REVIEW, 1963, 130 (05) :1677-+

[5] Magneto-optics in the ultrafast regime: Thermalization of spin populations in ferromagnetic films [J].

Guidoni, L ;

Beaurepaire, E ;

Bigot, JY .

PHYSICAL REVIEW LETTERS, 2002, 89 (01)

[6]

Neel L., 1949, ANN GEOPHYS, V5, P99, DOI DOI 10.1016/S0009-2509(00)00427-9

[7] Real space trajectory of the ultrafast magnetization dynamics in ferromagnetic metals [J].

Vomir, M ;

Andrade, LHF ;

Guidoni, L ;

Beaurepaire, E ;

Bigot, JY .

PHYSICAL REVIEW LETTERS, 2005, 94 (23)

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