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Hole tunneling times in GaAs/AlAs double‐barrier structures

 

作者: E. T. Yu,   M. K. Jackson,   T. C. McGill,  

 

期刊: Applied Physics Letters  (AIP Available online 1989)
卷期: Volume 55, issue 8  

页码: 744-746

 

ISSN:0003-6951

 

年代: 1989

 

DOI:10.1063/1.101793

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We have calculated hole tunneling times in GaAs/AlAs double‐barrier structures taking quantum well band‐mixing effects into account. Our results indicate that for sufficiently high hole temperatures and concentrations, band‐mixing effects reduce average hole tunneling times from the pure heavy hole value to values comparable to electron tunneling times in the same structure. For very low hole temperatures and concentrations, band mixing is less important and average hole tunneling times should approach the pure heavy hole value. These results provide an explanation for previously reported experimental results in which electrons and holes were found to be characterized by very similar tunneling times.

 

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