Isolable Triradical Trication of Hexaaza[16]paracyclophane with Embedded 9,10-Anthrylenes: A Frustrated Three-Spin System.
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DOI: 10.1021/acs.orglett.7b02088
Abstract: A new derivative of hexaaza[16]paracyclophane in which p-phenylenes are alternately replaced by 9,10-anthrylenes was prepared to investigate the impact on overall π-conjugation as well as conformational change of the macrocycle. The charge and spin distribution… read more here.
Keywords: three spin; hexaaza paracyclophane; frustrated three; triradical trication ... See more keywords
Calculation of exchange couplings in the electronically excited state of molecular three-spin systems
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DOI: 10.1039/d2sc04701b
Abstract: Photogenerated molecular three-spin systems, composed of a chromophore and a covalently bound stable radical, are promising candidates for applications in the field of molecular spintronics. Through excitation with light, an excited doublet state and a… read more here.
Keywords: state; three spin; spin systems; exchange ... See more keywords
Driven Hubbard model on a triangular lattice: Tunable Heisenberg antiferromagnet with a chiral three-spin term
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DOI: 10.1103/physrevb.105.054423
Abstract: We study the effects of a periodically varying electric field on the Hubbard model at half-filling on a triangular lattice. The electric field is incorporated through the phase of the nearest-neighbor hopping amplitude via the… read more here.
Keywords: hubbard model; model; triangular lattice; heisenberg antiferromagnet ... See more keywords
Thermodynamic properties and phase diagrams of spin-1 quantum Ising systems with three-spin interactions
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DOI: 10.1142/s0217984920500013
Abstract: The spin-1 quantum Ising systems with three-spin interactions on two-dimensional triangular lattices are studied by mean-field method. The thermal variations of order parameters and phase diagrams ... read more here.
Keywords: systems three; spin quantum; spin interactions; ising systems ... See more keywords