Author of thesis: Ing. Zdeněk Nekula
Acad. year: 2020/2021
Supervisor: Ing. Ondřej Wojewoda, Ph.D.
Reviewer: M.Sc. Jon Ander Arregi Uribeetxebarria, Ph.D.
Abstract:In recent days, magnetic materials, structures, and devices are getting more popular,
especially those related to spintronics. Research and development of such magnetic
samples require a way to observe magnetization with good spatial and temporal
resolution. Most dynamic changes of magnetization are realized in nanoseconds or even
faster. If we can detect these dynamic processes, we can reveal many exciting
magnetization features and add the fourth dimension to our experiments. We introduce a
scanning Kerr microscope working in two modes: static and dynamic. In static mode, our
microscope detects a direction of magnetization in a variable magnetic field. In dynamic
mode, we use a pump-probe method to reach a temporal resolution and observe a fast
evolution of magnetization.
Kerr microscope, Kerr effect, time resolution, pump-probe, vortex
Date of defence
17.06.2021
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Process of defence
Po otázkách oponenta bylo diskutováno: difrakční limit rovnovážná hodnota rotace polarizace světla Student na otázky odpověděl.
Language of thesis
English
Faculty
Department
Study programme
Applied Sciences in Engineering (B3A-P)
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)
doc. Ing. Stanislav Průša, Ph.D. (člen)
prof. RNDr. Petr Dub, CSc. (člen)
prof. RNDr. Radim Chmelík, Ph.D. (člen)
prof. RNDr. Jiří Spousta, Ph.D. (člen)
doc. Ing. Radek Kalousek, Ph.D. (člen)
RNDr. Antonín Fejfar, CSc. (člen)
Supervisor’s report
Ing. Ondřej Wojewoda, Ph.D.
Grade proposed by supervisor: A
Reviewer’s report
M.Sc. Jon Ander Arregi Uribeetxebarria, Ph.D.
Grade proposed by reviewer: A