{'fraction_non_alphanumeric': 0.02197802197802198, 'fraction_numerical': 0.028388278388278388, 'mean_word_length': 4.576530612244898, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Molecular dynamics simulation of the break of magnesium nanowires

We carried out molecular dynamics simulations of the tensile break of Mg nanowires at 4 and 300 K and examined how the minimum cross‐section Sm (measured by number of atoms) of a constrictive neck diminishes with nanowire stretching. For both [0001] ’ and [01‾10] ‐oriented nanowires, the histogram of Sm at 4 K shows a peak at Sm=1 . This result indicates that Mg nanowires can be reduced to single‐atom contacts at 4 K in agreement with experimental observations. At the beginning of stretching, the tensile force of Mg nanowires at 4 K is much larger than that at 300 K, but the forces at 4 and 300 K become comparable in later deformation stages. We observed that the stretching of Mg nanowires at 300 K often produces long icosahedral nanowires similar to the one reported in the stretching simulations of some FCC nanowires. These icosahedral nanowires yield a large peak at Sm=5 in the Sm histogram at 300 K. It is found that this Sm=5 peak depends on the initial size of nanowires and decreases for thicker nanowires.