Metal–Insulator Transitions in Heterostructures of Quantum Materials
Giordano Mattoni (TU Delft - QN/Caviglia Lab)
H. S.J. Van der Zant – Promotor (TU Delft - QN/van der Zant Lab)
Andrea Caviglia – Copromotor (TU Delft - QN/Caviglia Lab)
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Abstract
This thesis is an experimental investigation of the physical properties of different transition metal oxide ultra-thin films. A common feature of these various materials and structures is that they exhibit a solid-state phase transition from a metallic to an insulating state, which is triggered upon changing sample composition, or by varying an external stimulus such as temperature, illumination or gas pressure. The experiments performed cover a broad spectrum of condensed matter, from material growth, structural characterisation and nanodevice fabrication to low-temperature magnetotransport, synchrotron microscopy and gas sensing.