Thermally Assisted All‐Optical Helicity Dependent Magnetic Switching in Amorphous Fe 100– x  Tb  x   Alloy Films | Zendy

Hassdenteufel Alexander | Zendy; Hebler Birgit | Zendy; Schubert Christian | Zendy; Liebig Andreas | Zendy; Teich Martin | Zendy; Helm Manfred | Zendy; Aeschlimann Martin | Zendy; Albrecht Manfred | Zendy; Bratschitsch Rudolf | Zendy

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Thermally Assisted All‐Optical Helicity Dependent Magnetic Switching in Amorphous Fe 100– x Tb x Alloy Films

Author(s) -

Hassdenteufel Alexander,

Hebler Birgit,

Schubert Christian,

Liebig Andreas,

Teich Martin,

Helm Manfred,

Aeschlimann Martin,

Albrecht Manfred,

Bratschitsch Rudolf

Publication year - 2013

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201300176

Subject(s) - ferrimagnetism , materials science , demagnetizing field , curie temperature , condensed matter physics , magnetization , amorphous metal , remanence , amorphous solid , alloy , thermal hysteresis , helicity , ferromagnetism , metallurgy , crystallography , magnetic field , phase transition , physics , chemistry , particle physics , quantum mechanics

All‐optical switching (AOS) in ferrimagnetic Fe 100‐ x Tb x alloys is presented. AOS is witnessed below, above, and in samples without a magnetic compensation point. It is found that AOS is associated with laser heating up to the Curie temperature and intimately linked to a low remanent sample magnetization. Above a threshold magnetization of 220 emu/cc helicity dependent AOS is replaced by pure thermal demagnetization.

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