High Resolution Parameter-Space from a Two-Level Model on Semi-Insulating GaAs

Field effect on positron diffusion in semi-insulating GaAs.

Emission characteristics of photoconductive antennas based on low-temperature-grown GaAs and semi-insulating GaAs.

Terahertz radiation was generated with several designs of photoconductive antennas (three dipoles, a bow tie, and a coplanar strip line) fabricated on low-temperature-grown (LT) GaAs and semi-insulating (SI) GaAs, and the emission properties of the photoconductive antennas were compared with each other. The radiation spectrum of each antenna was characterized with the photoconductive sampling t...

EL2 deep-level transient study in semi-insulating GaAs using positron-lifetime spectroscopy

Scanning tunneling microscopy and spectroscopy of semi-insulating GaAs

N. D. Jäger, Ph. Ebert, K. Urban, R. Krause-Rehberg, and E. R. Weber Institut für Festkörperforschung, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany Fachbereich Physik, Martin-Luther-Universität Halle, 06099 Halle, Germany Department of Materials Science, University of California, and Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720 ~Received ...

Electron emission from deep level defects EL2 and EL6 in semi- insulating GaAs observed by positron drift velocity transient measurements