Quantum state study of quantum dot limited structure of graphene View Homepage


Ontology type: schema:MonetaryGrant     


Grant Info

YEARS

2012-2016

FUNDING AMOUNT

780000 CNY

ABSTRACT

With the sizes of the semiconductor transistors approaching the molecular scale, quantum effects become a formidable physical limit facing semiconductor devices. Fortunately, using graphene quantum dots to design quantum nanoelectric devices should be a novel method to overcome this limit. Graphene quantum dots, as the basic functional unit in designing graphene quantum devices, are becoming the research focus of many research fields at home and abroad. However, most of the properties of graphene quantum dots are determined by the quantum states of quantum dots in essence. Therefore, in this project we mainly carry out the following researches on the graphene quantum-dot system: The quantum states of small-size graphene flake quantum dots and the confined graphene quantum dots formed in large-size graphene, as well as the influences of the shapes and boundaries on the quantum states of the quantum dots; The influences of the variations of the quantum-dot size on the quantum states; The quantum states of many quantum-dot systems in single-layer or multiple-layer graphene, the mechanism of how the interdot couplings and the interlayer couplings affect the quantum states, and the approaches to manipulate the interdot and interlayer couplings.This research will be helpful in understanding the graphene quantum-dot st More... »

URL

http://npd.nsfc.gov.cn/projectDetail.action?pid=11274040

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