{"title":"Electrical Transport through Single DNA Molecules by Distinct Tip-Surface Configurations","authors":"Jun Qian, S. Liao, M. Stroscio, M. Dutta, Song Xu","doi":"10.1109/IWCE.2009.5091111","DOIUrl":null,"url":null,"abstract":"In this paper, gold-DNA-gold nanoparticle (GNP) complexes were studied by scanning tunneling microscopy (STM). I-V characteristics were collected from distinct positions of gold nanoparticle clusters and qualitatively explained by a tip- surface configuration model. Double-stranded DNA (dsDNA) of poly(dT)-poly(dA) was found to be slightly n-type semiconductor by theoretical simulation of the S-shaped I-V curves employing the Landauer formalism.","PeriodicalId":443119,"journal":{"name":"2009 13th International Workshop on Computational Electronics","volume":"273 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 13th International Workshop on Computational Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWCE.2009.5091111","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
In this paper, gold-DNA-gold nanoparticle (GNP) complexes were studied by scanning tunneling microscopy (STM). I-V characteristics were collected from distinct positions of gold nanoparticle clusters and qualitatively explained by a tip- surface configuration model. Double-stranded DNA (dsDNA) of poly(dT)-poly(dA) was found to be slightly n-type semiconductor by theoretical simulation of the S-shaped I-V curves employing the Landauer formalism.
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