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Title: Structural, electronic and magnetic studies of polar zinc oxide surfaces and their interfaces with ultra-thin cobalt films
Author: Deacon, Liam Matthew
Awarding Body: University of Reading
Current Institution: University of Reading
Date of Award: 2013
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Zinc oxide (ZnO) has a desirable combination of opto-electronic properties that, when combined with magnetic transition metal dopants such as cobalt, place it at the forefront of next generation materials to harness both electron charge and spin in the field now known as spintronics. In this thesis the polar (0001) surfaces of ZnO single crystals are revisited and used as a basis for the growth of ultrathin cobalt films before subsequent processing in an effort to produce a CoZnO dilute magnetic semiconductor. A method using Zn sublimation partial pressures is given that provides reliable preparation of clean ZnO(0001) surfaces and comparisons between these two surface terminations are made on the basis of LEED, STM, UPS and XPS arguments.
Supervisor: Not available Sponsor: Engineering and Physical Sciences Research Council
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available