A. Burke, O. Klochan, A. Hamilton, I. Farrer, D. Ritchie, A. Micolich
{"title":"The 1D g-factor and 0.7 anomaly in QPCs with independent control over density","authors":"A. Burke, O. Klochan, A. Hamilton, I. Farrer, D. Ritchie, A. Micolich","doi":"10.1109/COMMAD.2012.6472358","DOIUrl":null,"url":null,"abstract":"We report the dependence of the 1D Landé g-factor g* on electron density in quantum point contacts (QPCs). We obtain g* values up to 2.8 significantly exceeding previous values for Al-GaAs/GaAs QPCs and approaching that in InGaAs/InP QPCs.","PeriodicalId":136573,"journal":{"name":"COMMAD 2012","volume":"84 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"COMMAD 2012","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/COMMAD.2012.6472358","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We report the dependence of the 1D Landé g-factor g* on electron density in quantum point contacts (QPCs). We obtain g* values up to 2.8 significantly exceeding previous values for Al-GaAs/GaAs QPCs and approaching that in InGaAs/InP QPCs.