Macroscopic quantum tunnelling of magnetization in a single crystal of nanomagnets

L Thomas, F Lionti, R Ballou, D Gatteschi, R Sessoli… - Nature, 1996 - nature.com
THE precise manner in which quantum-mechanical behaviour at the microscopic level
underlies classical behaviour at the macroscopic level remains unclear, despite seventy …

Macroscopic measurement of resonant magnetization tunneling in high-spin molecules

JR Friedman, MP Sarachik, J Tejada, R Ziolo - Physical review letters, 1996 - APS
We report the observation of steps at regular intervals of magnetic field in the hysteresis loop
of a macroscopic sample of oriented M n 12 O 12 (CH 3 COO) 16 (H 2 O) 4 crystals. The …

Reduced Anionic Mn12 Molecules with Half-Integer Ground States as Single-Molecule Magnets

SMJ Aubin, Z Sun, L Pardi, J Krzystek… - Inorganic …, 1999 - ACS Publications
The preparation, characterization, and X-ray structure are reported for the single-molecule
magnet (PPh4)[Mn12O12 (O2CPh) 16 (H2O) 4]⊙ 8 (CH2Cl2)(2). Complex 2 crystallizes in …

High-frequency EPR spectra of a molecular nanomagnet: Understanding quantum tunneling of the magnetization

AL Barra, D Gatteschi, R Sessoli - Physical Review B, 1997 - APS
EPR spectra have been recorded in very high fields up to 25 T, and at high frequency up to
525 GHz, on a polycrystalline sample of [Mn 12 O 12 (CH 3 COO) 16 (H 2 O) 4]⋅ 2 CH 3 …

[BOOK][B] Quantum magnetism

U Schollwöck, J Richter, DJJ Farnell, RF Bishop - 2008 - books.google.com
Closing a gap in the literature, this volume is intended both as an introductory text at
postgraduate level and as a modern, comprehensive reference for researchers in the field …

Low-temperature quantum relaxation in a system of magnetic nanomolecules

NV Prokof'Ev, PCE Stamp - Physical review letters, 1998 - APS
We argue that to explain recent resonant tunneling experiments on crystals of Mn 12 and Fe
8, particularly in the low-T limit, one must invoke dynamic nuclear spin and dipolar …

Resonant Magnetization Tunneling in the Trigonal Pyramidal MnIVMnIII3 Complex [Mn4O3Cl(O2CCH3)3(dbm)3]

SMJ Aubin, NR Dilley, L Pardi, J Krzystek… - Journal of the …, 1998 - ACS Publications
The trigonal pyramidal complex [Mn4O3Cl (O2CCH3) 3 (dbm) 3], where dbm-is the
monoanion of dibenzoylmethane, functions as a single-molecule magnet. High-field EPR …

Neutron spectroscopy for the magnetic anisotropy of molecular clusters

R Caciuffo, G Amoretti, A Murani, R Sessoli… - Physical review …, 1998 - APS
Neutron spectroscopy has been used to observe transitions between the energy levels for
the 21 different orientations of the S= 10 spin ground state of an octanuclear iron molecular …

Single-molecule magnets: a new class of tetranuclear manganese magnets

J Yoo, EK Brechin, A Yamaguchi, M Nakano… - Inorganic …, 2000 - ACS Publications
The preparation, X-ray structure, and detailed physical characterization are presented for a
new type of single-molecule magnet [Mn4 (O2CMe) 2 (pdmH) 6](ClO4) 2 (1). Complex 1⊙ …

Single-Molecule Magnets:  Jahn−Teller Isomerism and the Origin of Two Magnetization Relaxation Processes in Mn12 Complexes

SMJ Aubin, Z Sun, HJ Eppley, EM Rumberger… - Inorganic …, 2001 - ACS Publications
Several single-molecule magnets with the composition [Mn12O12 (O2CR) 16 (H2O) x](x= 3
or 4) exhibit two out-of-phase ac magnetic susceptibility signals, one in the 4− 7 K region …