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Magnetic Behavior of Polycrystalline Gadolinium Subjected to a Magneto-Thermal Protocol
Institute of Nanotechnology
Bldg. 640 Seminar room 0-167
Hermann-von-Helmholtz-Platz 1
76344 Eggenstein-Leopoldshafen
Talk given by
Dr. Virgil Provenzano
National Institute of Standards and Technology (NIST)
Gaithersburg, USA
Abstract: Magneto-Thermal hysteresis is studied in polycrystalline gadolinium (Gd). The change of the sign of the first anisotropy constant Ku2 leads to easy cones of magnetization below the spin reorientation temperature (TSR = 235K-250 K). Cooling a polycrystalline gadolinium sample in a magnetic field through the spin reorientation temperature creates magnetic structures which persist to temperatures close to the Curie temperature, if these structures are not erased by going to fields larger than and opposite to the cooling field. A magneto-thermal protocol is applied to give some systematics to these complex processes.
https://www.int.kit.edu/events.php
Dr. Virgil Provenzano
National Institute of Standards and Technology
Functional Nanostructures Materials
Prof. Dr.-Ing. Horst Hahn
Institute of Nanotechnology (INT)
Karlsruhe Institute of Technology (KIT)
Eggenstein-Leopoldshafen
Mail: horst hahn ∂does-not-exist.kit edu
Interested / Everyone
