@article{article, title = {{EVIDENCE FOR POPULATION-INVERSION IN EXCITED ELECTRON-STATES OF A DOUBLE-BARRIER RESONANT-TUNNELING STRUCTURE}},
url = {{}},
year = {{1994}},
month = {{5}},
author = {{COCKBURN JW and SKOLNICK MS and WHITTAKER DM and BUCKLE PD and WILLCOX ARK and SMITH GW}},
volume = {{64}},
journal = {{APPL PHYS LETT}},
issue = {{18}},
pages = {{2400-2402}},
note = {{Accessed on 2025/08/22}}}