摘要
Thispaperpresentsafiniteelementcalculationfortheelectronicstructureandstraindistributionofself-organizedInAs/GaAsquantumrings.Thestraindistributioncalculationsarebasedonthecontinuumelastictheory.Anidealthree-dimensionalcircularquantumringmodelisadoptedinthiswork.Theelectronandheavy-holeenergylevelsoftheInAs/GaAsquantumringsarecalculatedbysolvingthethree-dimensionaleffectivemassSchro¨dingerequationincludingthedeformationpotentialandpiezoelectricpotentialuptothesecondorderinducedbythestrain.Thecalculatedresultsshowtheimportanceofstrainandpiezoelectriceffects,andtheseeffectsshouldbetakenintoconsiderationinanalysisoftheoptoelectroniccharacteristicsofstrainquantumrings.
出版日期
2009年11月21日(中国期刊网平台首次上网日期,不代表论文的发表时间)