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Chemically Induced Magnetism in Atomically Precise Gold Clusters
Author(s) -
Krishna Katla Sai,
Tarakeshwar Pilarisetty,
Mujica Vladimiro,
Kumar Challa S. S. R.
Publication year - 2014
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201302393
Subject(s) - diamagnetism , magnetism , paramagnetism , ferromagnetism , materials science , condensed matter physics , nanotechnology , ligand (biochemistry) , chemical physics , chemistry , physics , magnetic field , quantum mechanics , biochemistry , receptor
Comparative theoretical and experimental investigations are reported into chemically induced magnetism in atomically‐precise, ligand‐stabilized gold clusters Au 25 , Au 38 and Au 55 . The results indicate that [Au 25 (PPh 3 ) 10 (SC 12 H 25 ) 5 Cl 2 ] 2+ and Au 38 (SC 12 H 25 ) 24 are diamagnetic, Au 25 (SC 2 H 4 Ph) 18 is paramagnetic, and Au 55 (PPh 3 ) 12 Cl 6 , is ferromagnetic at room temperature. Understanding the magnetic properties resulting from quantum size effects in such atomically precise gold clusters could lead to new fundamental discoveries and applications.