2 papers
cond-mat.mtrl-sci2013
The Sub-bandgap Photoconductivity in InGaAs:ErAs Nanocomposites
W-D. Zhang, E. R. Brown
The photoconductions of ultrafast InGaAs:ErAs nanocomposites at low temperatures were investigated. The parabolic Tauc edge as well as the exponential Urbach tail are identified in…
cond-mat.mtrl-sci2013
Saturated Low-Temperature Conductivity in Ultrafast Semiconductor Nanocomposites
W. Zhang, E. R. Brown, M. Martin
This article presents studies on low-field electrical conduction in the range 4-to-300 K for a ultrafast material: InGaAs:ErAs grown by molecular beam epitaxy. The unique propertie…