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Bachelor's Thesis
Author of thesis: Bc. Ekaterina Pribytova
Acad. year: 2023/2024
Supervisor: Ing. Michal Urbánek, Ph.D.
Reviewer: Ing. Kristýna Davídková
Spin wave spectroscopy has emerged as a promising path in the study of ferromagnet-superconductor hybrid structures. These structures exhibit a wide range of spin wave frequencies, spanning from the GHz to the THz regime, making them potential candidates for efficient information transfer without the translational motion of electrons and associated Joule heating. This characteristic positions them as promising candidates for the realization of novel and highly efficient computational concepts. While previous magnonic experiments have predominantly been conducted at room temperature, the growing interest in hybrid systems for quantum computing necessitates the operation of magnonic devices at low temperatures and within the framework of superconducting circuits. The aim of this bachelor's thesis is to explore the possibilities of information transfer using spin waves in ferromagnet-superconductor systems.
Magnonics, dispersion relation, superconductivity, ferromaget-superconductor heterostructure, CPW chip, Vector network analyzer, nanoantennas.
Date of defence
14.06.2024
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Process of defence
Po otázkách oponenta bylo dále diskutováno: Kde přesně se nacházejí ostrůvky na vzorcích. Při jakých teplotách bude dosaženo supravodivého stavu. Studentka na otázky odpověděla.
Language of thesis
Czech
Faculty
Fakulta strojního inženýrství
Department
Institute of Physical Engineering
Study programme
Physical Engineering and Nanotechnology (B-FIN-P)
Composition of Committee
prof. RNDr. Tomáš Šikola, CSc. (předseda) prof. RNDr. Jiří Spousta, Ph.D. (místopředseda) prof. RNDr. Radim Chmelík, Ph.D. (člen) prof. RNDr. Petr Dub, CSc. (člen) prof. Ing. Jan Čechal, Ph.D. (člen) prof. Ing. Miroslav Kolíbal, Ph.D. (člen) doc. Mgr. Vlastimil Křápek, Ph.D. (člen) doc. Ing. Stanislav Průša, Ph.D. (člen) doc. Ing. Radek Kalousek, Ph.D. (člen) doc. Ing. Miroslav Bartošík, Ph.D. (člen) RNDr. Antonín Fejfar, CSc. (člen)
Supervisor’s reportIng. Michal Urbánek, Ph.D.
Grade proposed by supervisor: B
Reviewer’s reportIng. Kristýna Davídková
Grade proposed by reviewer: A
Responsibility: Mgr. et Mgr. Hana Odstrčilová