Novel Non-volatile Memory and Topological Insulator Field-effect Transistors

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dc.contributor.advisorLi, Qiliang
dc.contributor.authorZhu, Hao
dc.creatorZhu, Hao
dc.date.accessioned2014-08-28T03:17:39Z
dc.date.available2014-08-28T03:17:39Z
dc.date.issued2013-08
dc.description.abstractThe dimensional scaling of microelectronics to increase the ability of central process unit (CPU) is facing fundamental and physical challenges. The integration of high-performance non-volatile memory as the local memory in CPU will have a transformative impact on mobile electronics and portable systems. This dissertation proposes replacing the static random-access memory (SRAM) which is currently used as the local cache memory in CPU with high-performance Flash-like non-volatile memory for the consideration of memory density and power consumption. I have fabricated, fully characterized and compared different kinds of Flash-like charge-trapping non-volatile memory devices, including high-k dielectric charge-trapping devices, multi-stack discrete memory devices and molecular memory devices. The devices containing redox-active molecules exhibit excellent Program/Erase (P/E) speed, good retention and excellent P/E endurance for more than 109 cycles. The charge storage in these molecule-containing memory devices is naturally derived from the intrinsic redox processes of the molecules under a voltage bias. This is very different with other charge storage mediums in which the charge is stored in the trap centers or as a carrier. The intrinsic redox properties and the naturally derived, stable molecular structure make this memory very robust and reliable.
dc.format.extent156 pages
dc.identifier.urihttps://hdl.handle.net/1920/8804
dc.language.isoen
dc.rightsCopyright 2013 Hao Zhu
dc.subjectEngineering
dc.subjectFlash memory
dc.subjectMagnetotransport property
dc.subjectMolecular SAM
dc.subjectNon-volatile memory
dc.subjectSelf-aligned FET
dc.subjectTopological insulator nanowires
dc.titleNovel Non-volatile Memory and Topological Insulator Field-effect Transistors
dc.typeDissertation
thesis.degree.disciplineElectrical and Computer Engineering
thesis.degree.grantorGeorge Mason University
thesis.degree.levelDoctoral

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