A comparative high frequency EPR study of monomeric and dimeric Mn4 single-molecule magnets

Polyhedron

Volumn 22, Issue 14-17, 2003, Pages 1911-1916

  Edwards, R S ^a   Hill, S ^a   Bhaduri, S ^a   Aliaga Alcalde, N ^a   Bolin, E ^a   Maccagnano, S ^a   Christou, G ^a   Hendrickson, D N ^b  

^a University of Florida ^*  (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Electron paramagnetic resonance; Manganese; Nanomagnet; Quantum tunneling; Single molecule magnets

Indexed keywords

DIMERS; ELECTRON RESONANCE; ELECTRON SPIN RESONANCE SPECTROSCOPY; EXCHANGE INTERACTIONS; EXCITED STATES; GROUND STATE; HAMILTONIANS; MANGANESE; MOLECULES; MONOMERS; PARAMAGNETISM; SINGLE CRYSTALS; TEMPERATURE;

EXCHANGE BIAS; EXCITED-STATES; HIGH FREQUENCY HF; LOWS-TEMPERATURES; MONOMERIC SYSTEMS; MONOMERICS; NANOMAGNETS; QUANTUM BEHAVIORS; QUANTUM TUNNELING; SINGLE-MOLECULE MAGNET;

PARAMAGNETIC RESONANCE;

MANGANESE DERIVATIVE;

CHEMICAL INTERACTION; CONFERENCE PAPER; CRYSTALLIZATION; DATA ANALYSIS; DIMERIZATION; ELECTRON SPIN RESONANCE; FREQUENCY ANALYSIS; HYSTERESIS; INTERMETHOD COMPARISON; LOW TEMPERATURE PROCEDURES; MAGNETISM; MATHEMATICAL PARAMETERS; NUCLEAR MAGNETIC RESONANCE; PHASE TRANSITION; QUANTUM CHEMISTRY; SINGLE MOLECULE MAGNET; SPIN HAMILTONIAN PARAMETER; TEMPERATURE MEASUREMENT; ZERO FIELD TUNNELING RESONANCE;

EID: 0041303797     PISSN: 02775387     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0277-5387(03)00239-0     Document Type: Conference Paper

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19. The exchange term in Eq. (2) only causes significant splittings of single-spin transitions in cases where one of the spin states in the dimer is completely reversed, e.g. (-9/2, 9/2) to (-7/2, 9/2) and (-9/2, -9/2) to (-7/2, -9/2).