Laser induced ultrafast manipulation of spins in antiferromagnetic materials: a new avenue in magnetic memory

Author

Rasing, Theo

Author_Institution

IMM, Radboud Univ. Nijmegen, Netherlands

fYear

2005

fDate

4-8 April 2005

Firstpage

33

Abstract

The recent finding that ultrafast laser pulses can change the magnetic anisotropy of an antiferromagnet within 1 ps will be described. This allows one to manipulate the spins of antiferromagnets on a time scale of a few picoseconds, in contrast to the hundreds of picoseconds in a ferromagnet. Recent new developments with ultrafast (100 fs) optical manipulation of spins will be discussed. These findings may expand the now limited set of applications of antiferromagnetic materials and revolutionize the technology of ultrafast magnetic recording.

Keywords

antiferromagnetism; high-speed optical techniques; magnetic anisotropy; magnetic storage; magnetic switching; magneto-optical effects; magneto-optical recording; spin dynamics; antiferromagnetic materials; laser induced ultrafast spin manipulation; magnetic anisotropy; magnetic memory; ultrafast laser pulses; ultrafast magnetic recording; Antiferromagnetic materials; Geometrical optics; Laser transitions; Magnetic anisotropy; Magnetic materials; Magnetic memory; Optical materials; Optical pulses; Optical recording; Ultrafast optics;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetics Conference, 2005. INTERMAG Asia 2005. Digests of the IEEE International

Print_ISBN

0-7803-9009-1

Type

conf

DOI

10.1109/INTMAG.2005.1463445

Filename

1463445