Document Detail


Gate-controlled spin-orbit coupling in InAs/InGaAs quantum well structures.
MedLine Citation:
PMID:  24758005     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
We have investigated gate electric field controlled Rashba spin-orbit coupling (SOC) constant (alpha) in In0.53Ga0.47As and InAs-inserted quantum well (QW) structures. More than three times larger gate controllability of a in the InAs-inserted QW has been observed compared to the In0.53Ga0.47As QW. The enhanced gate controllability of alpha directly results from the larger zero-field SOC in narrow band gap InAs QW. Furthermore, the lower contact resistance and higher electron mobility imply that the InAs QW is a more promising channel for spintronic device applications.
Authors:
Kyung-Ho Kim; Youn Ho Park; Hyun Cheol Koo; Joonyeon Chang; Young Keun Kim; Hyung-Jun Kim
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of nanoscience and nanotechnology     Volume:  14     ISSN:  1533-4880     ISO Abbreviation:  J Nanosci Nanotechnol     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-04-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088195     Medline TA:  J Nanosci Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5212-5     Citation Subset:  IM    
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