NDLI: Effects of spin–orbit coupling and many-body correlations in STM transport through copper phthalocyanine

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Effects of spin–orbit coupling and many-body correlations in STM transport through copper phthalocyanine

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Benjamin Siegert Andrea Donarini Milena Grifoni
Abstract	The interplay of exchange correlations and spin–orbit interaction (SOI) on the many-body spectrum of a copper phtalocyanine (CuPc) molecule and their signatures in transport are investigated. We first derive a minimal model Hamiltonian in a basis of frontier orbitals that is able to reproduce experimentally observed singlet–triplet splittings. In a second step SOI effects are included perturbatively. Major consequences of the SOI are the splitting of former degenerate levels and a magnetic anisotropy, which can be captured by an effective low-energy spin Hamiltonian. We show that scanning tunneling microscopy-based magnetoconductance measurements can yield clear signatures of both these SOI-induced effects.
Related Links	https://doi.org/10.3762/bjnano.6.254
e-ISSN	21904286
DOI	10.3762/bjnano.6.254
Journal	Beilstein Journal of Nanotechnology
Issue Number	1
Volume Number	6
Language	English
Publisher	Beilstein-Institut
Publisher Date	2015-01-01
Publisher Place	Germany
Access Restriction	Open
Subject Keyword	Technology Chemical Technology Science Physics Anisotropy Copper Phthalocyanine Magnetotransport Spin–orbit Interaction Scanning Tunneling Microscopy (stm)
Content Type	Text
Resource Type	Article

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