NMR as a probe of the relaxation of the magnetization in magnetic molecules

P Santini, S Carretta, E Liviotti, G Amoretti, P Carretta… - Physical review …, 2005 - APS
We investigate the time autocorrelation of the molecular magnetization M (t) for three classes
of magnetic molecules (antiferromagnetic rings, grids, and nanomagnets), in contact with the …

Relaxation dynamics in the frustrated antiferromagnetic ring probed by NMR

E Garlatti, S Bordignon, S Carretta, G Allodi, G Amoretti… - Physical Review B, 2016 - APS
We investigate the magnetic properties and the phonon-induced relaxation dynamics of the
first regular Cr 9 antiferromagnetic (AF) ring, which represents a prototype frustrated AF ring …

Pulsed-field magnetization, electron spin resonance, and nuclear spin-lattice relaxation in the spin triangle

KY Choi, NS Dalal, AP Reyes, PL Kuhns, YH Matsuda… - Physical Review B, 2008 - APS
We report on pulsed-field magnetization, Q-band electron spin resonance (ESR), and Na 23
NMR measurements of the S= 1∕ 2 spin triangle clusters Na 9 [Cu 3 Na 3 (H 2 O) 9 (α− XW …

Magnetization and spin dynamics of the spin hourglass nanomagnet Cu(OH)(NIPA)10HO

R Nath, AA Tsirlin, P Khuntia, O Janson, T Förster… - Physical Review B, 2013 - APS
We report a combined experimental and theoretical study of the spin S= 1 2 nanomagnet Cu
5 (OH) 2 (NIPA) 4· 10H 2 O (Cu 5-NIPA). Using thermodynamic, electron spin resonance …

Low-energy excitations in the S= 1 2 molecular nanomagnet K 6 [V 15 IV As 6 O 42 (H 2 O)]∙ 8 H 2 O from proton NMR and μ SR

D Procissi, A Lascialfari, E Micotti, M Bertassi… - Physical Review B, 2006 - APS
Zero-and longitudinal-field muon-spin-rotation (μ SR) and H 1 NMR measurements on the
S= 1 2 molecular nanomagnet K 6 [V 15 IV As 6 O 42 (H 2 O)]∙ 8 H 2 O are presented. In LF …

Relaxation dynamics in a Fe nanomagnet

E Garlatti, S Carretta, P Santini, G Amoretti, M Mariani… - Physical Review B, 2013 - APS
We investigate the phonon-induced relaxation dynamics in the Fe 7 magnetic molecule,
which is made of two Fe 3+ triangles bridged together by a central Fe 3+ ion. The …

Comparison of the magnetic properties and the spin dynamics in heterometallic antiferromagnetic molecular rings

H Amiri, A Lascialfari, Y Furukawa, F Borsa, GA Timco… - Physical Review B, 2010 - APS
We present a comparison of the results obtained in the antiferromagnetic (AFM)
homometallic ring Cr 8 with the results in three heterometallic rings with a Cr ion replaced by …

H-NMR study of the spin dynamics of fine superparamagnetic nanoparticles

L Bordonali, Y Furukawa, M Kraken, FJ Litterst… - Physical Review B, 2012 - APS
We report a broadband 1 H-NMR study of the temperature spin dynamics of nearly
monodisperse dextran-coated γ-Fe 2 O 3 magnetic nanoparticles. We observed a maximum …

Proton NMR wipeout effect due to slow fluctuations of the magnetization in single molecule magnets

M Belesi, A Lascialfari, D Procissi, ZH Jang, F Borsa - Physical Review B, 2005 - APS
We report a detailed H 1 NMR study on the spin dynamics of single molecule magnets as a
function of temperature and external magnetic field. A gradual loss of the H 1 NMR signal …

Low-energy spin dynamics in the giant keplerate molecule : A muon spin relaxation and NMR investigation

J Lago, E Micotti, M Corti, A Lascialfari, A Bianchi… - Physical Review B, 2007 - APS
We present muon spin relaxation and H 1 NMR results on the magnetically frustrated
keplerate molecule {Mo 72 Fe 30}, aimed at studying the local spin dynamics as a function of …