Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/121000
Title: TANTALUM AND BISMUTH SELENIDE BASED SPIN PUMPING DEVICES
Authors: PRAVEEN DEORANI
Keywords: Spin pumping spin orbit coupling
Issue Date: 23-Jan-2015
Source: PRAVEEN DEORANI (2015-01-23). TANTALUM AND BISMUTH SELENIDE BASED SPIN PUMPING DEVICES. ScholarBank@NUS Repository.
Abstract: The generation and detection of spin currents in non magnetic materials is of key importance in spintronics. Spin pumping is a method which creates a large density spin current, and is of immense importance in the field of spintronics. The efficiency of spin pumping depends on the interface of a ferromagnet and the nonmagnet, and is quantified by spin mixing conductance (g). One of the most common methods of detecting spin currents is inverse spin Hall effect (ISHE). ISHE coverts a spin current directly to charge current with high efficiency (called spin Hall angle) and has recently become one of the hottest topics of research. In this thesis, spin pumping induced ISHE measurements are carried out to study ISHE in materials such as Ta and Bi2Se3. We have also examined the choice of materials that can lead to enhancement of g.
URI: http://scholarbank.nus.edu.sg/handle/10635/121000
Appears in Collections:Ph.D Theses (Open)

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