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The underlying physics and spin dynamics that govern magnetic molecules yield ideal behavior for their potential use as qubits in a quantum computer. To characterize the spin dynamics of these magnetic molecules, electron spin resonance (ESR) techniques are often used. In this study, a method in which the use of superconducting quantum interference devices (SQUIDs) and vibrating sample magnetometry (VSM) technologies can be combined with traditional ESR measurements is explored. This was achieved by modification of a commercial sample probe such that microwaves can effectively reach the sample under study. Additionally, the ability to tune the coupling parameter of a superconducting cavity is achieved through the use of temperature and magnetic field. This is of particular importance in on-chip ESR measurements and can be described by the losses in the device. This investigation describes a versatile setup which can be used to study a variety of magnetic molecules in multiple temperature regimes.
A Thesis submitted to the Department of Physics in partial fulfillment of the requirements for the degree of Master of Science.
Includes bibliographical references.
Irinel Chiorescu, Professor Directing Thesis; Ryan Baumbach, Committee Member; Simon Capstick, Committee Member; Stephen Hill, Committee Member.
Florida State University
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