Probing superexchange interaction in molecular magnets by spin-flip spectroscopy and microscopy
The superexchange mechanism in cobalt phthalocyanine (CoPc) thin films was studied by a low temperature scanning tunneling microscope. The CoPc molecules were found to form one-dimensional antiferromagnetic chains in the film. Collective spin excitations in individual molecular chains were measured...
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| Veröffentlicht in: | Physical review letters 2008-11, Vol.101 (19), p.197208-197208, Article 197208 |
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| container_title | Physical review letters |
| container_volume | 101 |
| creator | Chen, Xi Fu, Ying-Shuang Ji, Shuai-Hua Zhang, Tong Cheng, Peng Ma, Xu-Cun Zou, Xiao-Long Duan, Wen-Hui Jia, Jin-Feng Xue, Qi-Kun |
| description | The superexchange mechanism in cobalt phthalocyanine (CoPc) thin films was studied by a low temperature scanning tunneling microscope. The CoPc molecules were found to form one-dimensional antiferromagnetic chains in the film. Collective spin excitations in individual molecular chains were measured with spin-flip associated inelastic electron tunneling spectroscopy. By spatially mapping the spin-flipping channels with submolecular precision, we are able to explicitly identify the specific molecular orbitals that mediate the superexchange interaction between molecules. |
| doi_str_mv | 10.1103/physrevlett.101.197208 |
| format | Article |
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The CoPc molecules were found to form one-dimensional antiferromagnetic chains in the film. Collective spin excitations in individual molecular chains were measured with spin-flip associated inelastic electron tunneling spectroscopy. By spatially mapping the spin-flipping channels with submolecular precision, we are able to explicitly identify the specific molecular orbitals that mediate the superexchange interaction between molecules.</abstract><cop>United States</cop><pmid>19113306</pmid><doi>10.1103/physrevlett.101.197208</doi><tpages>1</tpages></addata></record> |
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| title | Probing superexchange interaction in molecular magnets by spin-flip spectroscopy and microscopy |
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