Search for "(1 × 2) reconstruction" in Full Text gives 2 result(s) in Beilstein Journal of Nanotechnology.
Beilstein J. Nanotechnol. 2020, 11, 443–449, doi:10.3762/bjnano.11.35
Beilstein J. Nanotechnol. 2013, 4, 903–918, doi:10.3762/bjnano.4.102