Novel Energy-Dependent Effects Revealed in GeV Heavy-Ion-Induced Transient Measurements of Antimony-Based III-V HEMTs

Abstract

High-bandwidth (16 GHz) time-resolved charge-collection measurements for heavy-ion irradiation of up to 70 GeV/amu are performed on low-power 6.1 Å lattice spacing InAlSb/InAs HEMT devices. Event cross sections are measured to be significantly larger than the active areas of the devices. Novel energy-dependent effects are observed.