Magnetic Transition from the Ferromagnetic to Spin Glass Like State in EuxYb1-xAlloy

1984 ◽  
Vol 53 (9) ◽  
pp. 3153-3159 ◽  
Author(s):  
Hideoki Kadomatsu ◽  
Takanori Tsutaoka ◽  
Hiroshi Fujiwara
Keyword(s):  
Spin Glass ◽  
Magnetic Transition

Studies on Crystal Structure and Magnetic Scaling Behavior of Perovskite-Like (La1−xPbx)MnO3 System with x = 0 - 0.5

2001 ◽  
Vol 674 ◽  
Author(s):  
Ting-Sheng Huang ◽  
Chiung-Hsiung Chen ◽  
Ming-Fong Tai
Keyword(s):  
Transition Temperature ◽  
Spin Glass ◽  
Magnetic Measurements ◽  
Rietveld Method ◽  
Magnetic Transition ◽  
Mixed Valence ◽  
Substitution Effect ◽  
Magnetic Data ◽  
Magnetic Transition Temperature ◽  
Rhombohedral Unit Cell

ABSTRACTThe magnetic critical behaviors in the perovskite-like (La1−xPbx)MnO3 series with x = 0.0 ∼ 0.5 are studied by means of dc magnetic measurements. All the samples crystallize in the rhombohedral unit cell with a C R 3 space group (a 0.54 nm and c 1.33 nm). The detailed crystallographic parameters of all the samples are obtained by the refinements of the powder x-ray diffraction data using the Rietveld method. The substitution effect of Pb2+ ions on La3+ sites induces a mixed-valence state of Mn3+/Mn4+ and enhances magnetic transition temperature in the (La1−xPbx)MnO3 system. The transition temperature TC increases with the Pb content from 225 K as x = 0 to 355 K as x = 0.5. The canonical spin-glass behaviors in low fields and the scaling behaviors of magnetic physical quantities are clearly observed in all our samples. The values of the related critical exponents and the scaling functions of magnetic data are close to those of the conventional spin glass systems.

scholarly journals Spin-Glass Behavior, Magnetic, and IR Spectroscopy Analysis of Multimetallic Compound Ni0.25Mn1.25[Fe(CN)6]·6.1H2O

2015 ◽  
Vol 2015 ◽  
pp. 1-6
Author(s):  
Qing Lin ◽  
Xiaofang Liu ◽  
Yun He ◽  
Haifu Huang ◽  
Xingcan Shen
Keyword(s):  
Spin Glass ◽  
Variable Temperature ◽  
Magnetic Transition ◽  
Freezing Temperature ◽  
Zero Field ◽  
Magnetization Curves ◽  
Spin Glass Behavior ◽  
Spin Glass Behaviour ◽  
Reentrant Spin Glass ◽  
Glass Behavior

Multimetallic Prussian blue compound Ni0.25Mn1.25[Fe(CN)6]·6.1H2O has been prepared by coprecipitation. The temperature-dependent magnetic susceptibilities show the magnet transition for the compound at 8.5 K. According to DC variable-temperature magnetic susceptibility paramagnetic Curie temperatureθis −9.32 K. The observed value of coercive field (Hc) and the remanent magnetization (Mr) for the compound are 0.32 KOe and 0.36 μB. According to study of zero-field-cooled (ZFC) and field-cooled (FC) magnetization curves and AC magnetization curves, there exists a spin-glass behaviour in the compound, which exhibits freezing temperatureTg=7.76 K, below magnetic transitionTC=8.5 K; that glass behavior is termed “reentrant” spin glass.

Structure and magnetism of the solid solution GexFe4−xNy (0 ≤ x ≤ 1): from a ferromagnet to a spin glass

2017 ◽  
Vol 5 (1) ◽  
pp. 166-175 ◽  
Author(s):  
T. Scholz ◽  
R. Dronskowski
Keyword(s):  
Solid Solution ◽  
Spin Glass ◽  
Structural Transition ◽  
Theoretical Study ◽  
Magnetic Transition ◽  
Tetragonal System ◽  
Germanium Concentration

The experimental and theoretical study of the solid solution GexFe4−xNy (0 ≤ x ≤ 1) reveals a structural transition from the cubic to the tetragonal system as well as a magnetic transition from a ferromagnet to a spin glass accompanying the increasing germanium concentration.

scholarly journals Antisites driven magnetic transition study in La2NiMnO6

2021 ◽  
Vol 2070 (1) ◽  
pp. 012060
Author(s):  
R. Hissariya ◽  
S. K. Mishra
Keyword(s):  
Spin Glass ◽  
Room Temperature ◽  
Magnetic Transition ◽  
Double Perovskite ◽  
Charge Carriers ◽  
Magnetic Transitions ◽  
Spin Cluster ◽  
Transition Study ◽  
Lower Temperature ◽  
Unique Compound

Abstract La2NiMnO6 is a unique compound of multiferroics that exhibits two magnetic transitions of Curie points TC1 and TC2 below room temperature on a partial conversion of charge carriers, Ni2+ → Ni3+ and Mn4+→ Mn3+, stabilized with O2- vacancies in distorted octagons in a double perovskite of a spin cluster (glass), wherein the spins freezing at a critical Tg point at lower temperatures. The peak temperature and irreversibility temperature shifted to the lower temperature. The dc magnetization M (T) measurements indicate random ferromagnetic and antiferromagnetic interactions and multiple magnetic transitions. The critical slowing properties signify the spin-glass nature proved by the thermomagnetic relaxation measure.

The Potts spin-glass in a transverse field

1992 ◽  
Vol 2 (1) ◽  
pp. 31-39 ◽  
Author(s):  
Yadin Y. Goldschmidt
Keyword(s):  
Spin Glass ◽  
Transverse Field

The ground state energy of the ±J spin glass from the genetic algorithm

1994 ◽  
Vol 4 (9) ◽  
pp. 1281-1285 ◽  
Author(s):  
P. Sutton ◽  
D. L. Hunter ◽  
N. Jan
Keyword(s):  
Genetic Algorithm ◽  
Spin Glass ◽  
Ground State Energy ◽  
Ground State ◽  
State Energy
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