Dynamic distortions and polaronic effects in the paramagnetic state of La0.8Ba0.2Mn1−xAlxO3 manganites

2014 ◽  
Vol 115 (22) ◽  
pp. 223905 ◽  
Author(s):  
M. A. B. Narreto ◽  
H. S. Alagoz ◽  
J. Jeon ◽  
K. H. Chow ◽  
J. Jung
Keyword(s):  
Paramagnetic State

POLARISED NEUTRON STUDIES OF THE PARAMAGNETIC STATE OF CHROMIUM

1982 ◽  
Vol 43 (C7) ◽  
pp. C7-301-C7-304
Author(s):  
J. G. Booth ◽  
K. R.A. Ziebeck ◽  
H. Capellmann ◽  
P. J. Brown
Keyword(s):  
Paramagnetic State

Suppression of Ferromagnetism in EuxCa1-xB6

2012 ◽  
Vol 190 ◽  
pp. 97-100 ◽  
Author(s):  
V.V. Glushkov ◽  
A.V. Kuznetsov ◽  
I. Sannikov ◽  
A.V. Bogach ◽  
S.V. Demishev ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Magnetic Susceptibility ◽  
Curie Temperature ◽  
Single Crystals ◽  
Effective Magnetic Moment ◽  
Paramagnetic State ◽  
Low Field ◽  
Wide Range ◽  
Free Ion ◽  
The Eu

We report the magnetic properties of EuxCa1-xB6 single crystals (0.756x1) studied in the wide range of temperatures (1.8-300 K) and magnetic fields (up to 50 kOe). It was found that low field magnetic susceptibility χ (T) follows the Curie-Weiss law χ~(T-Θp)-1 at high temperatures for all the concentrations studied. The effective magnetic moment of the Eu2+ ion estimated from the data diminishes from the free ion value μeff7.93μB (μB - Bohr magneton) for x=1 to μeff7.3μB for x=0.756. A universal behavior of magnetic susceptibility χ~(T-Θ)-α (α=1.5) is detected close to the Curie temperature TC in the paramagnetic state at both metallic (x>xC~0.8) and dielectric (xC.

Nano-Goethite (α-FeOOH) Magnetic Structure Investigated Using Ising Core-Shell Model: Preliminary Study

2021 ◽  
Vol 1028 ◽  
pp. 193-198
Author(s):  
Budi Adiperdana ◽  
Nadya Larasati Kartika ◽  
Risdiana
Keyword(s):  
High Temperature ◽  
Low Temperature ◽  
Shell Model ◽  
Magnetic Structure ◽  
Paramagnetic State ◽  
Core Shell ◽  
The Core ◽  
Preliminary Study

Ising core-shell model was proposed to reconstruct superparamagnetism hysteresis in nano-goethite (α-FeOOH). Core and shell set as antiferromagnetic and paramagnetic state respectively. Core and shell radius varies until the theoretical hysteresis fit with experiment hysteresis. At low temperature, the hysteresis reconstructed nicely with 55% antiferromagnetic core contribution and 45% paramagnetic shell contribution. At high temperature, the core-shell model show unrealistic result compared to the pure paramagnetic state.

Analysis of the singlet-triplet model for the copper oxide plane within the paramagnetic state

1993 ◽  
Vol 47 (9) ◽  
pp. 5253-5262 ◽  
Author(s):  
R. Hayn ◽  
V. Yushankhai ◽  
S. Lovtsov
Keyword(s):  
Copper Oxide ◽  
Paramagnetic State ◽  
Triplet Model
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