Spin dynamics of the antiferromagnetic-to-ferromagnetic phase transition in FeRh on a sub-picosecond time scale

Thiele, Jan-Ulrich ; Buess, Matthias ; Back, Christian

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Date of publication of this fulltext: 05 Aug 2009 13:34

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Details

Item type:	Article
Journal or Publication Title:	Applied Physics Letters
Volume:	85
Number of Issue or Book Chapter:	14
Page Range:	pp. 2857-2859
Date:	October 2004
Institutions:	Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Identification Number:	Value Type 10.1063/1.1799244 DOI
Dewey Decimal Classification:	500 Science > 530 Physics
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Item ID:	1918

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Abstract

The antiferromagnetic-to-ferromagnetic phase transition in FeRh films induced by heating with a femtosecond laser pulse was investigated using the time-resolved magneto-optical Kerr effect. An initial rise time of the magneto-optical signal of about 500 fs is found as the FeRh is heated through the transition. The data offer a complementary view to previous pump–probe experiments on "simple" ...

Abstract

The antiferromagnetic-to-ferromagnetic phase transition in FeRh films induced by heating with a femtosecond laser pulse was investigated using the time-resolved magneto-optical Kerr effect. An initial rise time of the magneto-optical signal of about 500 fs is found as the FeRh is heated through the transition. The data offer a complementary view to previous pump–probe experiments on "simple" ferromagnetic materials and allow a glimpse at the complex interplay between lattice, electron and spin dynamics governing the first-order antiferromagnetic-to-ferromagnetic phase transition of FeRh.

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Metadata last modified: 04 Jun 2018 14:24

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