Superparamagnetic relaxation of weakly interacting particles
Publication: Research - peer-review › Journal article – Annual report year: 1994
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Superparamagnetic relaxation of weakly interacting particles. / Mørup, Steen; Tronc, Elisabeth.
In: Physical Review Letters, Vol. 72, No. 20, 1994, p. 3278-3281.Publication: Research - peer-review › Journal article – Annual report year: 1994
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TY - JOUR
T1 - Superparamagnetic relaxation of weakly interacting particles
A1 - Mørup,Steen
A1 - Tronc,Elisabeth
AU - Mørup,Steen
AU - Tronc,Elisabeth
PB - American Physical Society
PY - 1994
Y1 - 1994
N2 - The influence of particle interactions on the superparamagnetic relaxation time has been studied by Mossbauer spectroscopy in samples of maghemite (gamma-Fe2O3) particles with different particle sizes and particle separations. It is found that the relaxation time decreases with decreasing particle interactions. A new model for the influence of interactions on the superparamagnetic relaxation has been derived and it is shown that this model can explain the observations.
AB - The influence of particle interactions on the superparamagnetic relaxation time has been studied by Mossbauer spectroscopy in samples of maghemite (gamma-Fe2O3) particles with different particle sizes and particle separations. It is found that the relaxation time decreases with decreasing particle interactions. A new model for the influence of interactions on the superparamagnetic relaxation has been derived and it is shown that this model can explain the observations.
KW - PEAK
KW - SUSCEPTIBILITY PHENOMENA
KW - SYSTEM
KW - MOSSBAUER-SPECTRA
KW - GLASS
KW - DEPENDENCE
KW - TEMPERATURE
UR - http://link.aps.org/doi/10.1103/PhysRevLett.72.3278
U2 - 10.1103/PhysRevLett.72.3278
DO - 10.1103/PhysRevLett.72.3278
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 20
VL - 72
SP - 3278
EP - 3281
ER -