期刊
APPLIED PHYSICS LETTERS
卷 93, 期 25, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3056120
关键词
electron mobility; gallium compounds; III-V semiconductors; magnetoresistance; semiconductor epitaxial layers; wide band gap semiconductors
资金
- Engineering and Physical Sciences Research Council (U.K.)
- Royal Society (U.K.)
- German Research Foundation (Germany)
- EuroMagNET [RII3-CT-2004-506239]
- Engineering and Physical Sciences Research Council [EP/D500222/1] Funding Source: researchfish
We investigate the quantum coherence length, L-phi, and mobility of conduction electrons in the dilute nitride alloy GaAs1-xNx. Analysis of the negative magnetoresistance using weak localization theory reveals a marked reduction in L-phi with increasing N-content. Our data are compared to theoretical models of electronic transport in GaAs1-xNx and discussed in terms of the unusual type of compositional disorder exhibited by III-N-V alloys. A comparative study of the electron mobility in InAs1-xNx also indicates that disorder effects are significantly weaker in this small band gap material.
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