Spatially resolved measurements of the ferromagnetic phase transition by ac-susceptibility investigations with x-ray photoelectron emission microscope | Zendy

F. M. Römer | Zendy; Florian Kronast | Zendy; L. Heyne | Zendy; C. Hassel | Zendy; A. Banholzer | Zendy; Mathias Kläui | Zendy; R. Meckenstock | Zendy; J. Lindner | Zendy; Michael Farle | Zendy

Open Access

Spatially resolved measurements of the ferromagnetic phase transition by ac-susceptibility investigations with x-ray photoelectron emission microscope

Author(s) -

F. M. Römer,

Florian Kronast,

L. Heyne,

C. Hassel,

A. Banholzer,

Mathias Kläui,

R. Meckenstock,

J. Lindner,

Michael Farle

Publication year - 2010

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3360205

Subject(s) - ferromagnetism , curie temperature , materials science , microscope , x ray photoelectron spectroscopy , phase transition , condensed matter physics , analytical chemistry (journal) , phase (matter) , magnetic susceptibility , nuclear magnetic resonance , chemistry , optics , physics , organic chemistry , chromatography

Spatially resolved ac susceptibility measurements on epitaxial Fe films are performed as a function of temperature using a conventional soft-x-ray photoelectron emission microscope. A magnetic contrast is observed at sample locations where the magnetic film undergoes a para/ferromagnetic phase transition. Due to the wedge structure of the Fe film and the thickness dependence of the Curie temperature the spatial extend of the phase transition region and the correlation length can be estimated.

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