Record Details

Magnetism and spin dynamics in the cluster compound [Cr4S(O2CCH3)(8)(H2O)(4)](NO3)(2)center dot H2O

DSpace at IIT Bombay

View Archive Info
 
 
Field Value
 
Title Magnetism and spin dynamics in the cluster compound [Cr4S(O2CCH3)(8)(H2O)(4)](NO3)(2)center dot H2O
 
Creator FURUKAWA, Y
LUBAN, M
BORSA, F
JOHNSTON, DC
MAHAJAN, AV
MILLER, LL
MENTRUP, D
SCHNACK, J
BINO, A
 
Subject rings
ions
 
Description The magnetism and spin dynamics of [Cr4S(O2CCH3)(8)(H2O)(4)](NO3)(2).H2O have been investigated by magnetic susceptibility and proton NMR measurements and by theoretical calculations. The proton-spin lattice relaxation rate 1/T-1, as a function of the temperature T and external magnetic field B, provides a very useful probe of the dynamical behavior of the four Cr+3 (spins s=3/2) paramagnetic ions which are ferromagnetically coupled via isotropic Heisenberg exchange interaction. From our derived formulas for the two-ion time correlation functions, we find that 1/T-1 may be expressed as a function of the single scaling variable mu(B)B/(k(B)T), where mu(B) is the Bohr magneton and k(B) is Boltzmann's constant, for the regime of our measurements. Our experimental data are in good agreement with this prediction and our derived form of the scaling function.
 
Publisher AMERICAN PHYSICAL SOC
 
Date 2011-07-17T16:30:01Z
2011-12-26T12:50:24Z
2011-12-27T05:56:34Z
2011-07-17T16:30:01Z
2011-12-26T12:50:24Z
2011-12-27T05:56:34Z
2000
 
Type Article
 
Identifier PHYSICAL REVIEW B, 61(13), 8635-8638
1098-0121
http://dx.doi.org/10.1103/PhysRevB.61.8635
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4781
http://hdl.handle.net/10054/4781
 
Language en