Author of thesis: Ing. Vojtěch Schánilec, Ph.D.
Acad. year: 2015/2016
Supervisor: Ing. Vojtěch Uhlíř, Ph.D.
Reviewer: Ing. Michal Urbánek, Ph.D.
Abstract:FeRh thin films feature unique characteristics due to the first-order phase transition from the antiferromagnetic order to the ferromagnetic order. The phase transition in FeRh can be driven by external parameters such as temperature and magnetic field. At zero magnetic field, the transition occurs approximately at 360 K, which is convenient for applications.
The thesis focuses on the phase transition in spatially confined FeRh structures. The theoretical part contains literature review on the FeRh phase transition and the possibilities to control it using different substrates and spatial confinement, which has significant impact on the symmetry of the transition upon cooling and heating.
The experimental part describes the design and realization of a heater module compatible with a Magnetic Force Microscope (MFM). MFM was used to image the nucleation states and ferromagnetic domain grwoth in FeRh structures.
iron-rhodium, first order phase transition, spatially confined structures, magnetic force microscopy
Date of defence
22.06.2016
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Language of thesis
Czech
Faculty
Department
Study programme
Applied Sciences in Engineering (B3901-3)
Field of study
Physical Engineering and Nanotechnology (B-FIN)
Composition of Committee
prof. RNDr. Tomáš Šikola, CSc. (předseda)
prof. RNDr. Miroslav Liška, DrSc. (místopředseda)
prof. RNDr. Bohumila Lencová, CSc. (člen)
prof. RNDr. Petr Dub, CSc. (člen)
prof. RNDr. Radim Chmelík, Ph.D. (člen)
prof. RNDr. Jiří Spousta, Ph.D. (člen)
prof. Ing. Ivan Křupka, Ph.D. (člen)
prof. RNDr. Pavel Zemánek, Ph.D. (člen)
RNDr. Antonín Fejfar, CSc. (člen)
doc. Ing. Radek Kalousek, Ph.D. (člen)
Supervisor’s report
Ing. Vojtěch Uhlíř, Ph.D.
Grade proposed by supervisor: A
Reviewer’s report
Ing. Michal Urbánek, Ph.D.
Grade proposed by reviewer: A