Today’s semiconductor reminiscence marketplace is split among forms of reminiscence: DRAM and Flash. every one has its personal benefits and downsides. whereas DRAM is quickly yet risky, Flash is non-volatile yet sluggish. A reminiscence method in keeping with self-organized quantum dots (QDs) as garage node may mix some great benefits of glossy DRAM and Flash, hence merging the latter’s non-volatility with very quick write times.
This thesis investigates the digital homes of and service dynamics in self-organized quantum dots through time-resolved capacitance spectroscopy and time-resolved present measurements. the 1st goal is to review the localization strength of varied QD structures with a purpose to investigate the possibility of expanding the garage time in QDs to non-volatility. unusually, it's stumbled on that the main impression of service seize cross-sections of QDs is to steer, and from time to time counterbalance, service garage as well as the localization power. the second one objective is to check the coupling among a layer of self-organized QDs and a two-dimensional gap gasoline (2DHG), that is correct for the read-out technique in reminiscence structures. The research yields the invention of the many-particle flooring states within the QD ensemble. In addition to its technological relevance, the thesis additionally deals new insights into the attention-grabbing box of nanostructure physics.
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